Analysis

  • max time kernel
    120s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20240319-en
  • resource tags

    arch:x64arch:x86image:win7-20240319-enlocale:en-usos:windows7-x64system
  • submitted
    19-04-2024 12:04

General

  • Target

    2829d7c07f3a1a966b25c244d05ad931e9b52510dbae293277ff2208f72e6d34.exe

  • Size

    665KB

  • MD5

    9a9df44932a55d7ed8b2eacd79b47b89

  • SHA1

    ad69039b9d1513898457403b224152762b3a5299

  • SHA256

    2829d7c07f3a1a966b25c244d05ad931e9b52510dbae293277ff2208f72e6d34

  • SHA512

    ec6e7154e4e030e81228069bdc27707a639a67fc707eb3c395625746e6ce40340afc0b28466ec6ac13f2dfd81f88aca745fe3ad633cfd0af30d7feaad37b8d2d

  • SSDEEP

    12288:GUt0wHmSabSgmBG2GPVgxZIkNFMpGUtBAsD+ZzW+csuo2SXWflK8:l0wHmSiSPEfdgNeGUtBAsIzW+csuo2SU

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 2 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\2829d7c07f3a1a966b25c244d05ad931e9b52510dbae293277ff2208f72e6d34.exe
    "C:\Users\Admin\AppData\Local\Temp\2829d7c07f3a1a966b25c244d05ad931e9b52510dbae293277ff2208f72e6d34.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2908
    • 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\2829d7c07f3a1a966b25c244d05ad931e9b52510dbae293277ff2208f72e6d34.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1344
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\BTislGHBaGBiGG.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2736
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BTislGHBaGBiGG" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6529.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2592
    • C:\Users\Admin\AppData\Local\Temp\2829d7c07f3a1a966b25c244d05ad931e9b52510dbae293277ff2208f72e6d34.exe
      "C:\Users\Admin\AppData\Local\Temp\2829d7c07f3a1a966b25c244d05ad931e9b52510dbae293277ff2208f72e6d34.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2432

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp6529.tmp

    Filesize

    1KB

    MD5

    99c9606a7566eb079a83a1325920acb0

    SHA1

    c1f60c41884f17df1ffe86cff9e23f931735297f

    SHA256

    f36b0af971347d6081f64b8bd5f94da91b5e3700943ac0a42be431efafba5a7c

    SHA512

    7350c8943cc8ba0977184825c536a802aad787a4cc56177db886147ed34149b13eb33f827a8211099932050e3b7238c344908bc4677e96e497fc1509be7277c9

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

    Filesize

    7KB

    MD5

    b638b7c37e9a3b3defe8a5fce240181c

    SHA1

    c0119cccc83cc0d38b360c49534c4722770a5eb9

    SHA256

    d7d91f5f651cfecc448a3525dba5c20aa24e97455c1a242eac27e2d3c32e6e21

    SHA512

    7f0cc3c6b3b5f95029ccc84c8517a809933d5a38f01f4a8c90a3f6703feb032bc42194480ea67765e16e76bf6ad19e2a87f156278740808d8fc0a4912d6d8d1c

  • memory/1344-41-0x00000000022E0000-0x0000000002320000-memory.dmp

    Filesize

    256KB

  • memory/1344-42-0x00000000022E0000-0x0000000002320000-memory.dmp

    Filesize

    256KB

  • memory/1344-38-0x00000000022E0000-0x0000000002320000-memory.dmp

    Filesize

    256KB

  • memory/1344-37-0x000000006C580000-0x000000006CB2B000-memory.dmp

    Filesize

    5.7MB

  • memory/1344-40-0x000000006C580000-0x000000006CB2B000-memory.dmp

    Filesize

    5.7MB

  • memory/1344-45-0x000000006C580000-0x000000006CB2B000-memory.dmp

    Filesize

    5.7MB

  • memory/2432-28-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2432-48-0x0000000074A80000-0x000000007516E000-memory.dmp

    Filesize

    6.9MB

  • memory/2432-20-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2432-22-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2432-24-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2432-26-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2432-44-0x0000000074A80000-0x000000007516E000-memory.dmp

    Filesize

    6.9MB

  • memory/2432-30-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2432-34-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2432-43-0x0000000004A70000-0x0000000004AB0000-memory.dmp

    Filesize

    256KB

  • memory/2432-47-0x0000000004A70000-0x0000000004AB0000-memory.dmp

    Filesize

    256KB

  • memory/2432-32-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2736-36-0x000000006C580000-0x000000006CB2B000-memory.dmp

    Filesize

    5.7MB

  • memory/2736-46-0x000000006C580000-0x000000006CB2B000-memory.dmp

    Filesize

    5.7MB

  • memory/2736-39-0x000000006C580000-0x000000006CB2B000-memory.dmp

    Filesize

    5.7MB

  • memory/2908-4-0x00000000007B0000-0x00000000007C8000-memory.dmp

    Filesize

    96KB

  • memory/2908-0-0x0000000001220000-0x00000000012CC000-memory.dmp

    Filesize

    688KB

  • memory/2908-35-0x0000000074A80000-0x000000007516E000-memory.dmp

    Filesize

    6.9MB

  • memory/2908-3-0x00000000004F0000-0x0000000000592000-memory.dmp

    Filesize

    648KB

  • memory/2908-1-0x0000000074A80000-0x000000007516E000-memory.dmp

    Filesize

    6.9MB

  • memory/2908-2-0x0000000004C70000-0x0000000004CB0000-memory.dmp

    Filesize

    256KB

  • memory/2908-7-0x000000000A1A0000-0x000000000A222000-memory.dmp

    Filesize

    520KB

  • memory/2908-6-0x00000000007D0000-0x00000000007E4000-memory.dmp

    Filesize

    80KB

  • memory/2908-5-0x0000000000590000-0x000000000059E000-memory.dmp

    Filesize

    56KB