General

  • Target

    RPO-09876543456.exe

  • Size

    1.2MB

  • Sample

    221123-mdncjadg82

  • MD5

    87f1444dda3a5714f282d0048944d7b8

  • SHA1

    96fa777c406409208dc186d66588fe2d920c2c07

  • SHA256

    250fbfdaf7c00e15d0d35edba1b28d7dfa2ca28fedbf887fbe4269dee364d066

  • SHA512

    0eaf418b96dce98d7234490cc902d2d4e1a80b82a0fcdfd94ff1b79b68f4fb4d0ab0e3a2d2fa743b02d14347a5a4bd4b316763905e37a276ce42aca03beed555

  • SSDEEP

    24576:e+YAuCcFjoX4LltOOr3C1zC+GGOG4emawVl9Rv:DPc9o473H+GS4XawVr1

Malware Config

Targets

    • Target

      RPO-09876543456.exe

    • Size

      1.2MB

    • MD5

      87f1444dda3a5714f282d0048944d7b8

    • SHA1

      96fa777c406409208dc186d66588fe2d920c2c07

    • SHA256

      250fbfdaf7c00e15d0d35edba1b28d7dfa2ca28fedbf887fbe4269dee364d066

    • SHA512

      0eaf418b96dce98d7234490cc902d2d4e1a80b82a0fcdfd94ff1b79b68f4fb4d0ab0e3a2d2fa743b02d14347a5a4bd4b316763905e37a276ce42aca03beed555

    • SSDEEP

      24576:e+YAuCcFjoX4LltOOr3C1zC+GGOG4emawVl9Rv:DPc9o473H+GS4XawVr1

    • AgentTesla

      Agent Tesla is a remote access tool (RAT) written in visual basic.

    • Executes dropped EXE

    • Loads dropped DLL

    • 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.

    • Accesses Microsoft Outlook profiles

    • 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 SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

3
T1081

Discovery

System Information Discovery

1
T1082

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Tasks