Analysis

  • max time kernel
    119s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    12-06-2024 01:39

General

  • Target

    7b3b27a5939919582d1c712df7e9a1792c22bebabb3f393d6681b0712e226a6b.exe

  • Size

    2.7MB

  • MD5

    a2dc840cdaebca556e71e98efc9673bd

  • SHA1

    0f3adcf5a3a11852637d4c5b8bd1fae5969384f4

  • SHA256

    7b3b27a5939919582d1c712df7e9a1792c22bebabb3f393d6681b0712e226a6b

  • SHA512

    6b07bae8865d31c569cbdbca07e9993a5d3db4e5a9bf645f8c67867825a6afc8d838cf1b9e93905032d4298ab875dbee89b116b93b31353d997af73d4e771e41

  • SSDEEP

    12288:6sAripabvQCGxzxT/lYKFVGjcbfafuDkU70MuGsSm0qyGfmsmb:6sAOpkvQJyK9fYuj7JMrfmsk

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot7426366653:AAERgpeylo3lf--iVcYDsvLZ4C71qIFlyH4/

Signatures

  • AgentTesla

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

  • Detect packed .NET executables. Mostly AgentTeslaV4. 5 IoCs
  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 5 IoCs
  • Detects executables packed with or use KoiVM 1 IoCs
  • Detects executables referencing Windows vault credential objects. Observed in infostealers 5 IoCs
  • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 5 IoCs
  • Detects executables referencing many email and collaboration clients. Observed in information stealers 5 IoCs
  • Detects executables referencing many file transfer clients. Observed in information stealers 5 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7b3b27a5939919582d1c712df7e9a1792c22bebabb3f393d6681b0712e226a6b.exe
    "C:\Users\Admin\AppData\Local\Temp\7b3b27a5939919582d1c712df7e9a1792c22bebabb3f393d6681b0712e226a6b.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1664
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2496
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 1664 -s 668
      2⤵
        PID:2616

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1664-0-0x000007FEF5A43000-0x000007FEF5A44000-memory.dmp

      Filesize

      4KB

    • memory/1664-1-0x0000000000CC0000-0x0000000000CE4000-memory.dmp

      Filesize

      144KB

    • memory/1664-2-0x000007FEF5A40000-0x000007FEF642C000-memory.dmp

      Filesize

      9.9MB

    • memory/1664-3-0x0000000000C00000-0x0000000000C94000-memory.dmp

      Filesize

      592KB

    • memory/1664-21-0x000007FEF5A40000-0x000007FEF642C000-memory.dmp

      Filesize

      9.9MB

    • memory/1664-20-0x000007FEF5A43000-0x000007FEF5A44000-memory.dmp

      Filesize

      4KB

    • memory/2496-10-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2496-13-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2496-15-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2496-8-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2496-17-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2496-6-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2496-18-0x00000000746DE000-0x00000000746DF000-memory.dmp

      Filesize

      4KB

    • memory/2496-19-0x00000000746D0000-0x0000000074DBE000-memory.dmp

      Filesize

      6.9MB

    • memory/2496-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2496-4-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2496-22-0x00000000746DE000-0x00000000746DF000-memory.dmp

      Filesize

      4KB

    • memory/2496-23-0x00000000746D0000-0x0000000074DBE000-memory.dmp

      Filesize

      6.9MB