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Analysis

  • max time kernel
    121s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    07/05/2024, 03:08

General

  • Target

    New Point of Contact for Corporate Courier Account - DHL.exe

  • Size

    729KB

  • MD5

    801a0fcfdb264aabe346da570d1dd14b

  • SHA1

    f3b368a2972b5ab0f75f9fd48cdb44c1f6e0dc4f

  • SHA256

    566368d997e93866144f269b23a33a54d910e01c6723ea141bdf88bd9202f31a

  • SHA512

    f87d777b9c8bf8a0c22be8f801c5370ae4b5bdffa18ef155f24608d283c0aa99c2d3c033b9d48ed28a26ae73fc866d02922646b9fccc876ac1d119a8f4cdf866

  • SSDEEP

    12288:6NBwhSKlOxCWjFxRZV7PE4d+W/C1M2Q9FGpOUxHtYyN5P/SHPkR:cwtWjFxRZV7c+jsFUFtUxtYyniHK

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 2 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • 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 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\New Point of Contact for Corporate Courier Account - DHL.exe
    "C:\Users\Admin\AppData\Local\Temp\New Point of Contact for Corporate Courier Account - DHL.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2256
    • 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\New Point of Contact for Corporate Courier Account - DHL.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2428
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\kABNrbkDoBpvD.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2644
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\kABNrbkDoBpvD" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF8B1.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2560
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2988

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpF8B1.tmp

    Filesize

    1KB

    MD5

    b9df11ac344908c86cc692af8841155b

    SHA1

    fbcc46f878782df02db7b3296f02f54f56ad76f8

    SHA256

    df911ffab41c1aee9e50800a5aa884b8824bcefc643190e8b2e512d9cc2d0d85

    SHA512

    0b730d9427f35d99563bd97905b41d5132e595b7c337572c737824a403a1b22070364539a13abe303544a35ae456eb7fb4674d258529d8a5d8cc4a77fa9862c5

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

    Filesize

    7KB

    MD5

    2ac0448a3d497089b70346a385546d9b

    SHA1

    709181a031d85c3d1ee037ebaa8c3312fd196ca4

    SHA256

    2b444cbcbdd164fcbb3211fde2367721389ffb07f13576b852a672ff76103dc4

    SHA512

    4132ba337897b1b5c76f7923582ea31ff68ad9dcc7cda1fc646141077398fb0f044fdfea51dc7c458d5ab17ae649b8a6665ea16f55e0a38cc8110b2eb3eeaa2c

  • memory/2256-4-0x00000000005E0000-0x00000000005EE000-memory.dmp

    Filesize

    56KB

  • memory/2256-0-0x000000007423E000-0x000000007423F000-memory.dmp

    Filesize

    4KB

  • memory/2256-3-0x0000000000500000-0x000000000051C000-memory.dmp

    Filesize

    112KB

  • memory/2256-5-0x0000000000630000-0x0000000000646000-memory.dmp

    Filesize

    88KB

  • memory/2256-6-0x0000000005410000-0x0000000005494000-memory.dmp

    Filesize

    528KB

  • memory/2256-7-0x000000007423E000-0x000000007423F000-memory.dmp

    Filesize

    4KB

  • memory/2256-1-0x0000000001150000-0x0000000001208000-memory.dmp

    Filesize

    736KB

  • memory/2256-2-0x0000000074230000-0x000000007491E000-memory.dmp

    Filesize

    6.9MB

  • memory/2256-32-0x0000000074230000-0x000000007491E000-memory.dmp

    Filesize

    6.9MB

  • memory/2988-31-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2988-30-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2988-29-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2988-28-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2988-26-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2988-24-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2988-20-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2988-22-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB