Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    10-06-2024 01:19

General

  • Target

    fb204074c5fdcd05d2f83edff481fc98dc8b1693922348082e4a79e295e7272a.exe

  • Size

    676KB

  • MD5

    7cb4ddfd12caaeeb3f755d9b276edf01

  • SHA1

    ae04e6118898c3166deb7cc6bc02a8cefe4a62da

  • SHA256

    fb204074c5fdcd05d2f83edff481fc98dc8b1693922348082e4a79e295e7272a

  • SHA512

    e329ede0f41226d910543957aff12ddd627c4e065625c6e704d06f7893c0e1825acccc1508752b603c8dd3e6c701b5978fd1b2bb1d93c28b2bc806b793e558c5

  • SSDEEP

    12288:/3rV2iNStcYg4JWXWfcZj8cDlCVdGgPFY04Fn012ZxOt37V8EcbWSnQEnmVU:/bV1Mcv4JAWfcR8ixgPFYNF/e3PMWSQY

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

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

  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • 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.

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

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fb204074c5fdcd05d2f83edff481fc98dc8b1693922348082e4a79e295e7272a.exe
    "C:\Users\Admin\AppData\Local\Temp\fb204074c5fdcd05d2f83edff481fc98dc8b1693922348082e4a79e295e7272a.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1260
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\HJUaDtkcWaFDwF.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2624
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\HJUaDtkcWaFDwF" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4E7E.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2672
    • C:\Users\Admin\AppData\Local\Temp\fb204074c5fdcd05d2f83edff481fc98dc8b1693922348082e4a79e295e7272a.exe
      "C:\Users\Admin\AppData\Local\Temp\fb204074c5fdcd05d2f83edff481fc98dc8b1693922348082e4a79e295e7272a.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2896

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp4E7E.tmp

    Filesize

    1KB

    MD5

    95be761302b3c63b455aa6a06d8cf9d9

    SHA1

    502eb4506d2cf8f4f1e179a32d238e0015d0d9ce

    SHA256

    940724596a896a480f2075380432a7a519329260b8f5088410790078d00c1027

    SHA512

    76d6e5328895ce449402b7692790b136946deda5b0cfc8a7aff86486105e39b8f7adc9603c6f6e76c73ba1d597cb9bdc79390e79f2c3290c1464d8eb7a5a7053

  • memory/1260-27-0x0000000074B30000-0x000000007521E000-memory.dmp

    Filesize

    6.9MB

  • memory/1260-1-0x0000000001030000-0x00000000010E0000-memory.dmp

    Filesize

    704KB

  • memory/1260-2-0x0000000074B30000-0x000000007521E000-memory.dmp

    Filesize

    6.9MB

  • memory/1260-3-0x0000000000BB0000-0x0000000000BC6000-memory.dmp

    Filesize

    88KB

  • memory/1260-4-0x0000000000AA0000-0x0000000000AAE000-memory.dmp

    Filesize

    56KB

  • memory/1260-5-0x0000000000BD0000-0x0000000000BE0000-memory.dmp

    Filesize

    64KB

  • memory/1260-6-0x00000000044E0000-0x0000000004562000-memory.dmp

    Filesize

    520KB

  • memory/1260-0-0x0000000074B3E000-0x0000000074B3F000-memory.dmp

    Filesize

    4KB

  • memory/2896-12-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2896-22-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2896-24-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2896-20-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2896-18-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2896-16-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2896-14-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2896-21-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB