General

  • Target

    e29ea1ac4592ac73c954a546165ffe4c_JaffaCakes118

  • Size

    880KB

  • Sample

    241211-wl2pkatjaw

  • MD5

    e29ea1ac4592ac73c954a546165ffe4c

  • SHA1

    ea6722078259cb65510377dcfb85a380c716a48e

  • SHA256

    984695439ea82221b92aaa9cdeb7c2145c3a9b422aa535a7d5f768aa5ee3821e

  • SHA512

    9635ccd66332a66118e17950d137d1e22b7a031a41b658a1895003a76bc353996876d72f81a6b0e75483d1762bbc2decd41029447578c425037df57c83f1cf7f

  • SSDEEP

    24576:D8KYPp9AR95y39GzcTfuZGFiCX5zPy7rRszsn80:uPpKRy396QmcwUzPAq48

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot1338829993:AAGkgJ80sLaIYwBfp79Ps5EtdSP1XH6jBV8/sendDocument

Targets

    • Target

      e29ea1ac4592ac73c954a546165ffe4c_JaffaCakes118

    • Size

      880KB

    • MD5

      e29ea1ac4592ac73c954a546165ffe4c

    • SHA1

      ea6722078259cb65510377dcfb85a380c716a48e

    • SHA256

      984695439ea82221b92aaa9cdeb7c2145c3a9b422aa535a7d5f768aa5ee3821e

    • SHA512

      9635ccd66332a66118e17950d137d1e22b7a031a41b658a1895003a76bc353996876d72f81a6b0e75483d1762bbc2decd41029447578c425037df57c83f1cf7f

    • SSDEEP

      24576:D8KYPp9AR95y39GzcTfuZGFiCX5zPy7rRszsn80:uPpKRy396QmcwUzPAq48

    • AgentTesla

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

    • Agenttesla family

    • AgentTesla payload

    • Looks for VirtualBox Guest Additions in registry

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Looks for VMWare Tools registry key

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • 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

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks