Lateral Tool Transfer

During the 2015 Ukraine Electric Power Attack, Sandworm Team moved their tools laterally within the corporate network and between the ICS and corporate network. ^[3]

During the 2016 Ukraine Electric Power Attack, Sandworm Team used move to transfer files to a network share.^[4]

During the 2022 Ukraine Electric Power Attack, Sandworm Team used a Group Policy Object (GPO) to copy CaddyWiper's executable msserver.exe from a staging server to a local hard drive before deployment.^[5]

Aoqin Dragon has spread malware in target networks by copying modules to folders masquerading as removable devices.^[6]

APT32 has deployed tools after moving laterally using administrative accounts.^[7]

APT41 uses remote shares to move and remotely execute payloads during lateral movemement.^[8]

BITSAdmin can be used to create BITS Jobs to upload and/or download files from SMB file servers.^[9]

BlackCat can replicate itself across connected servers via psexec.^[10]

During C0015, the threat actors used WMI to load Cobalt Strike onto additional hosts within a compromised network.^[11]

During C0018, the threat actors transferred the SoftPerfect Network Scanner and other tools to machines in the network using AnyDesk and PDQ Deploy.^[12][13]

Chimera has copied tools between compromised hosts using SMB.^[14]

cmd can be used to copy files to/from a remotely connected internal system.^[15]

DustySky searches for network drives and removable media and duplicates itself onto them.^[16]

Emotet has copied itself to remote systems using the service.exe filename.^[17]

esentutl can be used to copy files to/from a remote share.^[18]

Expand can be used to download or upload a file over a network share.^[19]

FIN10 has deployed Meterpreter stagers and SplinterRAT instances in the victim network after moving laterally.^[20]

ftp may be abused by adversaries to transfer tools or files between systems within a compromised environment.^[21][22]

GALLIUM has used PsExec to move laterally between hosts in the target network.^[23]

HermeticWizard can copy files to other machines on a compromised network.^[24]

LockerGoga has been observed moving around the victim network via SMB, indicating the actors behind this ransomware are manually copying files form computer to computer instead of self-propagating.^[1]

Lucifer can use certutil for propagation on Windows hosts within intranets.^[25]

Magic Hound has copied tools within a compromised network using RDP.^[26]

Operators deploying Netwalker have used psexec to copy the Netwalker payload across accessible systems.^[27]

Olympic Destroyer attempts to copy itself to remote machines on the network.^[28]

During Operation Wocao, threat actors used SMB to copy files to and from target systems.^[29]

PsExec can be used to download or upload a file over a network share.^[30]

Sandworm Team has used move to transfer files to a network share and has copied payloads--such as Prestige ransomware--to an Active Directory Domain Controller and distributed via the Default Domain Group Policy Object.^[4][31]

Shamoon attempts to copy itself to remote machines on the network.^[32]

Stuxnet uses an RPC server that contains a file dropping routine and support for payload version updates for P2P communications within a victim network.^[33]

Turla RPC backdoors can be used to transfer files to/from victim machines on the local network.^[34][35]

Volt Typhoon has copied web shells between servers in targeted environments.^[36]

WannaCry attempts to copy itself to remote computers after gaining access via an SMB exploit.^[37]

Wizard Spider has used stolen credentials to copy tools into the %TEMP% directory of domain controllers.^[38]

Consider using the host firewall to restrict file sharing communications such as SMB. ^[39]

Network intrusion detection and prevention systems that use network signatures to identify traffic for specific adversary malware or unusual data transfer over known tools and protocols like FTP can be used to mitigate activity at the network level. Signatures are often for unique indicators within protocols and may be based on the specific obfuscation technique used by a particular adversary or tool, and will likely be different across various malware families and versions. ^[40]