Analysis

  • max time kernel
    119s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    30-03-2024 01:33

General

  • Target

    9d1852dfe875e0eae7b36a5ff10b21dab88d432ccd61caa2be3b517ae9c4d94a.exe

  • Size

    776KB

  • MD5

    5f9d4ff4aefc50027743838e9c241712

  • SHA1

    bb3b3d8997ff5ece674edf403a08f34135552161

  • SHA256

    9d1852dfe875e0eae7b36a5ff10b21dab88d432ccd61caa2be3b517ae9c4d94a

  • SHA512

    43e45fe492cb7831742afd5022f9f080d2681c74ba104d829bafaf3ee045cf51f9e5920c89e2a7851ac5478ee4ea3b61befd3e474cf43281f0d2f333c6893ba3

  • SSDEEP

    12288:BMLK1CkY1mCZBHyBxHiwjhaDdDrdlgrdvk0V4TdRq5U:CiCb1mCZBy3iFDtrdla+IEdRq5U

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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.

  • 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).

  • 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9d1852dfe875e0eae7b36a5ff10b21dab88d432ccd61caa2be3b517ae9c4d94a.exe
    "C:\Users\Admin\AppData\Local\Temp\9d1852dfe875e0eae7b36a5ff10b21dab88d432ccd61caa2be3b517ae9c4d94a.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2932
    • 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\9d1852dfe875e0eae7b36a5ff10b21dab88d432ccd61caa2be3b517ae9c4d94a.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2292
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\QJVOQW.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2712
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\QJVOQW" /XML "C:\Users\Admin\AppData\Local\Temp\tmp387E.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2608
    • C:\Users\Admin\AppData\Local\Temp\9d1852dfe875e0eae7b36a5ff10b21dab88d432ccd61caa2be3b517ae9c4d94a.exe
      "C:\Users\Admin\AppData\Local\Temp\9d1852dfe875e0eae7b36a5ff10b21dab88d432ccd61caa2be3b517ae9c4d94a.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2452

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp387E.tmp

    Filesize

    1KB

    MD5

    40205c16ce47befc2fd6646f63b08b0d

    SHA1

    5eca81cb2b89b79fdc80524dcc467b46e767fbdc

    SHA256

    42e25ec531ae965ce31177e0446aa48f52c021decad59eec39e083fe49ffde2d

    SHA512

    5b5e61c3c0adc29b10c6add8edf1aa5ea5a72ebef8d6c50b228e823a67f0b9d9fe85978d4f5e40492635f1df75989156f6831cafeee7bac9b636cfc3b6281e8b

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\ZS8QXU6H7YBMOYB77J3B.temp

    Filesize

    7KB

    MD5

    ea7b5a4206dc1bab04b338ce343726e5

    SHA1

    7385377f47a4f68f4c957d5aaaf68b275d9af61a

    SHA256

    5a0925f2745d022ff77feaffef7b20c64f6e8b5f18517c1367147009154e7193

    SHA512

    8ba6b378f62428a1d2dcb6c3facb448e6dd19b903c29a195a4e3010d0c0dae9da92cf6af77179718395af9f14bad8664b94ac8d87a0c443b35023088686a4d8e

  • memory/2292-32-0x000000006F580000-0x000000006FB2B000-memory.dmp

    Filesize

    5.7MB

  • memory/2292-37-0x000000006F580000-0x000000006FB2B000-memory.dmp

    Filesize

    5.7MB

  • memory/2292-34-0x0000000002B20000-0x0000000002B60000-memory.dmp

    Filesize

    256KB

  • memory/2452-18-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2452-21-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2452-25-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2452-23-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2452-19-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2452-20-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2452-27-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2452-29-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2712-31-0x000000006F580000-0x000000006FB2B000-memory.dmp

    Filesize

    5.7MB

  • memory/2712-33-0x0000000002B00000-0x0000000002B40000-memory.dmp

    Filesize

    256KB

  • memory/2712-35-0x000000006F580000-0x000000006FB2B000-memory.dmp

    Filesize

    5.7MB

  • memory/2712-36-0x0000000002B00000-0x0000000002B40000-memory.dmp

    Filesize

    256KB

  • memory/2712-38-0x000000006F580000-0x000000006FB2B000-memory.dmp

    Filesize

    5.7MB

  • memory/2932-5-0x00000000053B0000-0x0000000005434000-memory.dmp

    Filesize

    528KB

  • memory/2932-2-0x0000000004A50000-0x0000000004A90000-memory.dmp

    Filesize

    256KB

  • memory/2932-4-0x00000000004E0000-0x00000000004EC000-memory.dmp

    Filesize

    48KB

  • memory/2932-30-0x0000000074A50000-0x000000007513E000-memory.dmp

    Filesize

    6.9MB

  • memory/2932-0-0x0000000000EA0000-0x0000000000F62000-memory.dmp

    Filesize

    776KB

  • memory/2932-3-0x0000000000690000-0x00000000006AA000-memory.dmp

    Filesize

    104KB

  • memory/2932-1-0x0000000074A50000-0x000000007513E000-memory.dmp

    Filesize

    6.9MB