Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-11-2024 11:11

General

  • Target

    GHT0839W9-BNK89W9W989W0-KLAWUDIDU.js

  • Size

    1.4MB

  • MD5

    b670581786ae5f1c0a854e3b5b16074a

  • SHA1

    8acdcbccce34174a7931cd68e849fc241f56a4b2

  • SHA256

    9fb04bc8fa717198d88cb3b26ee76bddd2f5cfb61dbb0ec33b90660628e424a1

  • SHA512

    0c14608e0842433dc4b0ab02bb15eaefdd75d38f27007b7cbe7b7034712309bd0a19296cd4afdbee05307cbd0ba6fb1d1715cb472b7996907b8840a6a044f995

  • SSDEEP

    24576:PaVFa3H5CC/a/sqC40mMEirEISpShQrmmpMJ4zV:y6H1B40V1u5zV

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Agenttesla family
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • AutoIT Executable 1 IoCs

    AutoIT scripts compiled to PE executables.

  • Suspicious use of SetThreadContext 1 IoCs
  • Command and Scripting Interpreter: JavaScript 1 TTPs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe C:\Users\Admin\AppData\Local\Temp\GHT0839W9-BNK89W9W989W0-KLAWUDIDU.js
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1620
    • C:\Users\Admin\AppData\Local\Temp\myyynnnnnede.exe
      "C:\Users\Admin\AppData\Local\Temp\myyynnnnnede.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:4004
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:\Users\Admin\AppData\Local\Temp\myyynnnnnede.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2980

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\myyynnnnnede.exe

    Filesize

    1.1MB

    MD5

    95258c6b84fdbc292690b6f43e55248f

    SHA1

    0f7da894e566d1701b7e6a6418769fd48cd8c62b

    SHA256

    67d27ab57fd47d3f6fbb4a9fea283dd487aa3a7122ba37ac94057419232faf20

    SHA512

    0eb85ecbd59507f073993212eec8c4805c62d9fcdb037e3657be6c8f0c01222124772ba1518edac07c8c87e4a2f0584715ce334fa4deb390fe8d2b09faf8fdb6

  • memory/2980-18-0x0000000000700000-0x0000000000742000-memory.dmp

    Filesize

    264KB

  • memory/2980-19-0x00000000752AE000-0x00000000752AF000-memory.dmp

    Filesize

    4KB

  • memory/2980-20-0x0000000005360000-0x0000000005904000-memory.dmp

    Filesize

    5.6MB

  • memory/2980-21-0x0000000004EB0000-0x0000000004F16000-memory.dmp

    Filesize

    408KB

  • memory/2980-22-0x00000000752A0000-0x0000000075A50000-memory.dmp

    Filesize

    7.7MB

  • memory/2980-23-0x0000000005C60000-0x0000000005CB0000-memory.dmp

    Filesize

    320KB

  • memory/2980-24-0x0000000005D50000-0x0000000005DE2000-memory.dmp

    Filesize

    584KB

  • memory/2980-25-0x0000000005CE0000-0x0000000005CEA000-memory.dmp

    Filesize

    40KB

  • memory/2980-26-0x00000000752AE000-0x00000000752AF000-memory.dmp

    Filesize

    4KB

  • memory/2980-27-0x00000000752A0000-0x0000000075A50000-memory.dmp

    Filesize

    7.7MB

  • memory/4004-17-0x00000000013D0000-0x00000000017D0000-memory.dmp

    Filesize

    4.0MB