Analysis

  • max time kernel
    121s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20231023-en
  • resource tags

    arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
  • submitted
    07-12-2023 19:36

General

  • Target

    8d1d78a3ed7da56ab5783ebcc5e7c0b22921179f3d124aa7511bb952d199ef2bexe.exe

  • Size

    639KB

  • MD5

    78cdd7631daa770440ea9fa871fd8d63

  • SHA1

    7a3e6d5992612d2f7b98d35f8ab2d96aa1950f61

  • SHA256

    8d1d78a3ed7da56ab5783ebcc5e7c0b22921179f3d124aa7511bb952d199ef2b

  • SHA512

    c915fe8ddc1e3b90d4e53ba30dd30336ef8a45843dff42413300c44ac0d67a82c92565efe9df2f8b8aeb59e15adc2942eeed7bec24292170236b9e4d704690f4

  • SSDEEP

    12288:jE0QaueH5qRILAmLngh9QDBSfKaPUD2vNkbMRYjWOx:jE4qRILAmmuAOD/bMvO

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6217230824:AAFCGEN5vk1xCq7NOzRdvuxKD2rS56-qo2g/

Signatures

  • AgentTesla

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

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

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

  • Reads user/profile data of web browsers 2 TTPs

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

  • Looks up external IP address via web service 1 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8d1d78a3ed7da56ab5783ebcc5e7c0b22921179f3d124aa7511bb952d199ef2bexe.exe
    "C:\Users\Admin\AppData\Local\Temp\8d1d78a3ed7da56ab5783ebcc5e7c0b22921179f3d124aa7511bb952d199ef2bexe.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2124
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\8d1d78a3ed7da56ab5783ebcc5e7c0b22921179f3d124aa7511bb952d199ef2bexe.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2696
    • C:\Users\Admin\AppData\Local\Temp\8d1d78a3ed7da56ab5783ebcc5e7c0b22921179f3d124aa7511bb952d199ef2bexe.exe
      "C:\Users\Admin\AppData\Local\Temp\8d1d78a3ed7da56ab5783ebcc5e7c0b22921179f3d124aa7511bb952d199ef2bexe.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2716

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2124-18-0x00000000748A0000-0x0000000074F8E000-memory.dmp

    Filesize

    6.9MB

  • memory/2124-1-0x00000000748A0000-0x0000000074F8E000-memory.dmp

    Filesize

    6.9MB

  • memory/2124-2-0x00000000005B0000-0x00000000005F0000-memory.dmp

    Filesize

    256KB

  • memory/2124-3-0x00000000004F0000-0x000000000050A000-memory.dmp

    Filesize

    104KB

  • memory/2124-4-0x0000000000410000-0x0000000000418000-memory.dmp

    Filesize

    32KB

  • memory/2124-5-0x00000000004A0000-0x00000000004AA000-memory.dmp

    Filesize

    40KB

  • memory/2124-6-0x0000000005390000-0x000000000540A000-memory.dmp

    Filesize

    488KB

  • memory/2124-0-0x0000000000E80000-0x0000000000F24000-memory.dmp

    Filesize

    656KB

  • memory/2696-24-0x00000000748F0000-0x0000000074E9B000-memory.dmp

    Filesize

    5.7MB

  • memory/2696-25-0x00000000748F0000-0x0000000074E9B000-memory.dmp

    Filesize

    5.7MB

  • memory/2696-28-0x00000000748F0000-0x0000000074E9B000-memory.dmp

    Filesize

    5.7MB

  • memory/2696-27-0x00000000024C0000-0x0000000002500000-memory.dmp

    Filesize

    256KB

  • memory/2696-26-0x00000000024C0000-0x0000000002500000-memory.dmp

    Filesize

    256KB

  • memory/2716-16-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2716-9-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2716-21-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2716-22-0x00000000735A0000-0x0000000073C8E000-memory.dmp

    Filesize

    6.9MB

  • memory/2716-23-0x0000000004A90000-0x0000000004AD0000-memory.dmp

    Filesize

    256KB

  • memory/2716-7-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2716-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2716-14-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2716-11-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2716-10-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2716-29-0x00000000735A0000-0x0000000073C8E000-memory.dmp

    Filesize

    6.9MB

  • memory/2716-30-0x0000000004A90000-0x0000000004AD0000-memory.dmp

    Filesize

    256KB