General

  • Target

    HSBCMT103.exe

  • Size

    629KB

  • Sample

    240611-w6lh3sxajr

  • MD5

    15997c7f948afd0eed7f14026bb467d9

  • SHA1

    6279e8a05c402d0c0c3c2dc072312a0ac896deeb

  • SHA256

    22755e217c493b760d41a95afcca9877028556538dfe3f1de100ce9604e0701c

  • SHA512

    9ec27a7d3bbbad04da021192920c3fd17654a6c062a97f1e5f433e13fe418616105cd75d9edaba2c0521040fdef156dc9d15bbc6db3e36887c4e45472ce5b14f

  • SSDEEP

    12288:DgSMV7+WWM1U1nQX7tRf010rAchscD34XcV/u76kQrO3EzshGRB:BMV7WCj7tzrAwr4Oo6/Ih0

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.gmail.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    qaxt fhfi ysqm rwcn

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      HSBCMT103.exe

    • Size

      629KB

    • MD5

      15997c7f948afd0eed7f14026bb467d9

    • SHA1

      6279e8a05c402d0c0c3c2dc072312a0ac896deeb

    • SHA256

      22755e217c493b760d41a95afcca9877028556538dfe3f1de100ce9604e0701c

    • SHA512

      9ec27a7d3bbbad04da021192920c3fd17654a6c062a97f1e5f433e13fe418616105cd75d9edaba2c0521040fdef156dc9d15bbc6db3e36887c4e45472ce5b14f

    • SSDEEP

      12288:DgSMV7+WWM1U1nQX7tRf010rAchscD34XcV/u76kQrO3EzshGRB:BMV7WCj7tzrAwr4Oo6/Ih0

    • AgentTesla

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

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Loads dropped DLL

    • Reads WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • 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.

    • 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 NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Credential Access

Unsecured Credentials

4
T1552

Credentials In Files

3
T1552.001

Credentials in Registry

1
T1552.002

Discovery

System Information Discovery

1
T1082

Collection

Data from Local System

4
T1005

Tasks