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Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/03/2024, 02:23

General

  • Target

    23cc4f039287640e9c1f024a852b187a48cc909c381ac7c5bc0eb67403ab477d.exe

  • Size

    805KB

  • MD5

    abd47c31f497c885e32c6f102f178eff

  • SHA1

    22d5dfbed3eff5016557b861404a7da915943042

  • SHA256

    23cc4f039287640e9c1f024a852b187a48cc909c381ac7c5bc0eb67403ab477d

  • SHA512

    ee50bef625be78e9390b6239b44e16769585cc1492231adf0eb4a6f6875d466ae75a9a29ceaec7b8c08ed225e82b016ae6c7af441233cd501de26bd0473cd284

  • SSDEEP

    24576:AosbyT7/dkcufT+u7Z+3Qh82GhJUva6k:AosGPdOfqu70RHhJUvQ

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    us2.smtp.mailhostbox.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Jn*vMdM0

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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 11 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\23cc4f039287640e9c1f024a852b187a48cc909c381ac7c5bc0eb67403ab477d.exe
    "C:\Users\Admin\AppData\Local\Temp\23cc4f039287640e9c1f024a852b187a48cc909c381ac7c5bc0eb67403ab477d.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1572
    • 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\23cc4f039287640e9c1f024a852b187a48cc909c381ac7c5bc0eb67403ab477d.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1032
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\XWWSEU.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2136
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\XWWSEU" /XML "C:\Users\Admin\AppData\Local\Temp\tmp760B.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2348
    • C:\Users\Admin\AppData\Local\Temp\23cc4f039287640e9c1f024a852b187a48cc909c381ac7c5bc0eb67403ab477d.exe
      "C:\Users\Admin\AppData\Local\Temp\23cc4f039287640e9c1f024a852b187a48cc909c381ac7c5bc0eb67403ab477d.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:5116

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

    Filesize

    2KB

    MD5

    968cb9309758126772781b83adb8a28f

    SHA1

    8da30e71accf186b2ba11da1797cf67f8f78b47c

    SHA256

    92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

    SHA512

    4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

    Filesize

    18KB

    MD5

    6de33bf4321e5c4756740d2778a6100d

    SHA1

    b441e05022f895113175c609a9a3ad83522afade

    SHA256

    4bc341d7feaf6031c67be7eda2a03862c03807e8ced79715d451fb6facb1af97

    SHA512

    ed2714b782243902f03fbf49420a5eab30067a6eb42b5d47bdb8f4e9240e9638637e47d565d7bc4a9af63f14ca37fbfc0a4770e755f66a0dd422849c82a068d8

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_tcuyogxw.sel.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmp760B.tmp

    Filesize

    1KB

    MD5

    1c7581597ae8a38f39f18157d7618132

    SHA1

    d22d0a6dc3221de0643ee430e3c9445809a7ee9b

    SHA256

    154fcf9117b1c92e09d67a5dbefa56ec6aead4972234b3aacac0865428687bc0

    SHA512

    bbf26a367005b6bded679fc5ca5a3c08b7510c6c18c5845ae04177f51831b20a1612abcaca3369652d1cafd4d396448fbcb107a337ab5ab85f1eff4d884eccf6

  • memory/1032-69-0x00000000715E0000-0x000000007162C000-memory.dmp

    Filesize

    304KB

  • memory/1032-79-0x0000000002B10000-0x0000000002B20000-memory.dmp

    Filesize

    64KB

  • memory/1032-68-0x000000007F2F0000-0x000000007F300000-memory.dmp

    Filesize

    64KB

  • memory/1032-87-0x0000000007990000-0x00000000079AA000-memory.dmp

    Filesize

    104KB

  • memory/1032-81-0x0000000007650000-0x000000000766A000-memory.dmp

    Filesize

    104KB

  • memory/1032-84-0x0000000007850000-0x0000000007861000-memory.dmp

    Filesize

    68KB

  • memory/1032-14-0x0000000002A00000-0x0000000002A36000-memory.dmp

    Filesize

    216KB

  • memory/1032-16-0x0000000074EA0000-0x0000000075650000-memory.dmp

    Filesize

    7.7MB

  • memory/1032-15-0x00000000054C0000-0x0000000005AE8000-memory.dmp

    Filesize

    6.2MB

  • memory/1032-95-0x0000000074EA0000-0x0000000075650000-memory.dmp

    Filesize

    7.7MB

  • memory/1032-44-0x0000000005E70000-0x00000000061C4000-memory.dmp

    Filesize

    3.3MB

  • memory/1032-20-0x0000000002B10000-0x0000000002B20000-memory.dmp

    Filesize

    64KB

  • memory/1032-85-0x0000000007880000-0x000000000788E000-memory.dmp

    Filesize

    56KB

  • memory/1032-25-0x0000000005D00000-0x0000000005D66000-memory.dmp

    Filesize

    408KB

  • memory/1032-21-0x0000000002B10000-0x0000000002B20000-memory.dmp

    Filesize

    64KB

  • memory/1032-24-0x0000000005B60000-0x0000000005BC6000-memory.dmp

    Filesize

    408KB

  • memory/1572-4-0x00000000056A0000-0x00000000056B0000-memory.dmp

    Filesize

    64KB

  • memory/1572-0-0x00000000008F0000-0x00000000009BE000-memory.dmp

    Filesize

    824KB

  • memory/1572-3-0x0000000005440000-0x00000000054D2000-memory.dmp

    Filesize

    584KB

  • memory/1572-5-0x00000000053C0000-0x00000000053CA000-memory.dmp

    Filesize

    40KB

  • memory/1572-2-0x0000000005950000-0x0000000005EF4000-memory.dmp

    Filesize

    5.6MB

  • memory/1572-9-0x0000000008660000-0x00000000086FC000-memory.dmp

    Filesize

    624KB

  • memory/1572-48-0x0000000074EA0000-0x0000000075650000-memory.dmp

    Filesize

    7.7MB

  • memory/1572-8-0x0000000006100000-0x000000000619C000-memory.dmp

    Filesize

    624KB

  • memory/1572-7-0x0000000005600000-0x000000000560E000-memory.dmp

    Filesize

    56KB

  • memory/1572-1-0x0000000074EA0000-0x0000000075650000-memory.dmp

    Filesize

    7.7MB

  • memory/1572-6-0x00000000055D0000-0x00000000055E2000-memory.dmp

    Filesize

    72KB

  • memory/2136-51-0x0000000006810000-0x000000000685C000-memory.dmp

    Filesize

    304KB

  • memory/2136-18-0x00000000052F0000-0x0000000005300000-memory.dmp

    Filesize

    64KB

  • memory/2136-64-0x0000000007990000-0x00000000079AE000-memory.dmp

    Filesize

    120KB

  • memory/2136-65-0x00000000052F0000-0x0000000005300000-memory.dmp

    Filesize

    64KB

  • memory/2136-66-0x00000000052F0000-0x0000000005300000-memory.dmp

    Filesize

    64KB

  • memory/2136-67-0x00000000079C0000-0x0000000007A63000-memory.dmp

    Filesize

    652KB

  • memory/2136-54-0x00000000715E0000-0x000000007162C000-memory.dmp

    Filesize

    304KB

  • memory/2136-52-0x000000007EF00000-0x000000007EF10000-memory.dmp

    Filesize

    64KB

  • memory/2136-50-0x00000000067D0000-0x00000000067EE000-memory.dmp

    Filesize

    120KB

  • memory/2136-94-0x0000000074EA0000-0x0000000075650000-memory.dmp

    Filesize

    7.7MB

  • memory/2136-80-0x0000000008140000-0x00000000087BA000-memory.dmp

    Filesize

    6.5MB

  • memory/2136-82-0x0000000007B70000-0x0000000007B7A000-memory.dmp

    Filesize

    40KB

  • memory/2136-83-0x0000000007D80000-0x0000000007E16000-memory.dmp

    Filesize

    600KB

  • memory/2136-17-0x0000000074EA0000-0x0000000075650000-memory.dmp

    Filesize

    7.7MB

  • memory/2136-53-0x0000000006DA0000-0x0000000006DD2000-memory.dmp

    Filesize

    200KB

  • memory/2136-86-0x0000000007D40000-0x0000000007D54000-memory.dmp

    Filesize

    80KB

  • memory/2136-22-0x0000000005900000-0x0000000005922000-memory.dmp

    Filesize

    136KB

  • memory/2136-88-0x0000000007E20000-0x0000000007E28000-memory.dmp

    Filesize

    32KB

  • memory/2136-19-0x00000000052F0000-0x0000000005300000-memory.dmp

    Filesize

    64KB

  • memory/5116-45-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/5116-47-0x0000000074EA0000-0x0000000075650000-memory.dmp

    Filesize

    7.7MB

  • memory/5116-49-0x0000000005440000-0x0000000005450000-memory.dmp

    Filesize

    64KB

  • memory/5116-96-0x0000000006360000-0x00000000063B0000-memory.dmp

    Filesize

    320KB

  • memory/5116-97-0x0000000074EA0000-0x0000000075650000-memory.dmp

    Filesize

    7.7MB

  • memory/5116-98-0x0000000005440000-0x0000000005450000-memory.dmp

    Filesize

    64KB