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Analysis

  • max time kernel
    118s
  • max time network
    142s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    01/06/2024, 02:15

General

  • Target

    40367d6e32f9a6d3f45372fd60a4da63f494dc1ae0fd1781cfd9c3a74b4a06f9.exe

  • Size

    710KB

  • MD5

    6a5edfedcacd647606f65f573ba88fd5

  • SHA1

    e03491d78351a41011798d2f713a5296dfcc0553

  • SHA256

    40367d6e32f9a6d3f45372fd60a4da63f494dc1ae0fd1781cfd9c3a74b4a06f9

  • SHA512

    4be2c86ee9e51f51f85b9fc5c9e85ca295dd3a8131d80322199da7369f0c374b5a2ce45338cce93f89b46c89f819312a1e1f6127170a137715fef7dbcc56d5b9

  • SSDEEP

    12288:wbItdJS4VbKTi4dwB/m9nIayC/3cvVKr8Zpf/WJPmGE0CLXD4GME8XB:vRScz4dEuFIal36IrypfOJm/XEGY

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.

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\40367d6e32f9a6d3f45372fd60a4da63f494dc1ae0fd1781cfd9c3a74b4a06f9.exe
    "C:\Users\Admin\AppData\Local\Temp\40367d6e32f9a6d3f45372fd60a4da63f494dc1ae0fd1781cfd9c3a74b4a06f9.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2156
    • 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\40367d6e32f9a6d3f45372fd60a4da63f494dc1ae0fd1781cfd9c3a74b4a06f9.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2392
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\GwOXzCYxNfOTF.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2704
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\GwOXzCYxNfOTF" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB1E1.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2524
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1656

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpB1E1.tmp

    Filesize

    1KB

    MD5

    730cb6ee0f07e5f81226aae0de5f1295

    SHA1

    961d9ee99d1a924d9e91dd1b051b89e5326580b0

    SHA256

    b8c34bb1e77ce2ce87fadbc0f75142fb3692fc3c21d812aa56e483a708b57575

    SHA512

    f633046bf9d8b5af394d3116da484bdf07808d48fd8a89b7bd835f9f074f1ac962c642598ce0dbaaea32728fbc058beac1151588a123082798362a601725d196

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

    Filesize

    7KB

    MD5

    b1d25492069d2c1503cdaa0acc841176

    SHA1

    427cab34f11e94675186462979f6e07c9d9ac363

    SHA256

    0cb6051723ee266a2c1574b0571d8e24d1bf50547601d33c431e88d03222c936

    SHA512

    79a8bb32495fd3711b1264c11821220886f89d0abe2c4ed6b445af198d65dfaf7d3b12a1baa08306f2bdba3eab0a664a1f2fa1976e4f2e7ae9cd2a5b44dfd14d

  • memory/1656-30-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/1656-26-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/1656-22-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/1656-24-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/1656-28-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

    Filesize

    4KB

  • memory/1656-32-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/1656-29-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/1656-21-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2156-1-0x00000000001C0000-0x0000000000278000-memory.dmp

    Filesize

    736KB

  • memory/2156-2-0x00000000748C0000-0x0000000074FAE000-memory.dmp

    Filesize

    6.9MB

  • memory/2156-0-0x00000000748CE000-0x00000000748CF000-memory.dmp

    Filesize

    4KB

  • memory/2156-7-0x00000000748C0000-0x0000000074FAE000-memory.dmp

    Filesize

    6.9MB

  • memory/2156-6-0x00000000748CE000-0x00000000748CF000-memory.dmp

    Filesize

    4KB

  • memory/2156-3-0x0000000000450000-0x0000000000468000-memory.dmp

    Filesize

    96KB

  • memory/2156-5-0x0000000006210000-0x0000000006292000-memory.dmp

    Filesize

    520KB

  • memory/2156-4-0x0000000000480000-0x0000000000490000-memory.dmp

    Filesize

    64KB

  • memory/2156-33-0x00000000748C0000-0x0000000074FAE000-memory.dmp

    Filesize

    6.9MB