General

  • Target

    DHL SHIPMENT DOCUMENT.exe

  • Size

    20KB

  • Sample

    210226-1etncjf392

  • MD5

    9121604701673e2840cd3a8fb4d5672b

  • SHA1

    428874c8045f5bef784b6139be6020b8c5e8439e

  • SHA256

    0f2248b251c06a4670cc3708f230beb695f536d2aa9f3d6a88e627635fa54c6a

  • SHA512

    36ce6182b5ab6607fb06f7f0654ddf3c85d8ba32f7a4c1f6417727adc3b864ee76408865447d5dd0102533971687124e63197f27f61d67878f2a3c1bd289e85b

Malware Config

Targets

    • Target

      DHL SHIPMENT DOCUMENT.exe

    • Size

      20KB

    • MD5

      9121604701673e2840cd3a8fb4d5672b

    • SHA1

      428874c8045f5bef784b6139be6020b8c5e8439e

    • SHA256

      0f2248b251c06a4670cc3708f230beb695f536d2aa9f3d6a88e627635fa54c6a

    • SHA512

      36ce6182b5ab6607fb06f7f0654ddf3c85d8ba32f7a4c1f6417727adc3b864ee76408865447d5dd0102533971687124e63197f27f61d67878f2a3c1bd289e85b

    • Snake Keylogger

      Keylogger and Infostealer first seen in November 2020.

    • Snake Keylogger Payload

    • Windows security bypass

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Windows security modification

    • Adds Run key to start application

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Disabling Security Tools

2
T1089

Modify Registry

3
T1112

Credential Access

Credentials in Files

3
T1081

Discovery

System Information Discovery

1
T1082

Collection

Data from Local System

3
T1005

Tasks