Analysis

  • max time kernel
    121s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    20-11-2024 02:41

General

  • Target

    QcgYuePXfjXfcUD.exe

  • Size

    780KB

  • MD5

    8fb83908d231f26f462b5c591a11048d

  • SHA1

    9d12d01f183927f09ed6b654ddad8bdafb48e3a8

  • SHA256

    9565e0e3358341d167b1adfe5a30b957aa028e19addb4427af1bbd41bfe67e6b

  • SHA512

    b23eaa389f3996b3a7cc030fb797b2edc3978070a0fbb2dfca305e8ba22eac682c8545558bc6d84b16a2827a129f6e0a57bd17f0c26369268a16949bc39fe1ac

  • SSDEEP

    12288:gGgrKo7e7uh5DdXoaWS1pBGGdkM8ipU1m7nMrsIIk6/yA95i+V:gGfo7Ko5DdYaWS1Kf9ipUomF9

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Agenttesla family
  • 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 3 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).

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\QcgYuePXfjXfcUD.exe
    "C:\Users\Admin\AppData\Local\Temp\QcgYuePXfjXfcUD.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2868
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\rVTHOaxz.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1672
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\rVTHOaxz" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE6C6.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2044
    • C:\Users\Admin\AppData\Local\Temp\QcgYuePXfjXfcUD.exe
      "C:\Users\Admin\AppData\Local\Temp\QcgYuePXfjXfcUD.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2612

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpE6C6.tmp

    Filesize

    1KB

    MD5

    1c90b51c7668b483cc4ce4f18a4e3c8d

    SHA1

    b255ff98daa7ef30a57a46417c6fe0d36fca1216

    SHA256

    0af3ed97a8ad334c7bb6201e5a76d52b7b03fb2d920078302078b981efd59a41

    SHA512

    d1f752135f0153df97537cfb67259145f1e83fe9dc7b41b7e1e69f235fe076506644d9f4700de6012765d5be3984931f274e4bc76b844a754ce0c46d1a90d327

  • memory/2612-19-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2612-21-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2612-15-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2612-17-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2612-22-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2612-23-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2612-11-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2612-24-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2868-2-0x0000000074520000-0x0000000074C0E000-memory.dmp

    Filesize

    6.9MB

  • memory/2868-1-0x0000000000020000-0x00000000000E8000-memory.dmp

    Filesize

    800KB

  • memory/2868-5-0x0000000005660000-0x00000000056E6000-memory.dmp

    Filesize

    536KB

  • memory/2868-0-0x000000007452E000-0x000000007452F000-memory.dmp

    Filesize

    4KB

  • memory/2868-4-0x0000000074520000-0x0000000074C0E000-memory.dmp

    Filesize

    6.9MB

  • memory/2868-3-0x00000000006E0000-0x00000000006F2000-memory.dmp

    Filesize

    72KB

  • memory/2868-25-0x0000000074520000-0x0000000074C0E000-memory.dmp

    Filesize

    6.9MB