Analysis

  • max time kernel
    247s
  • max time network
    253s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-11-2022 20:57

General

  • Target

    4802f50d6851e4e118bca0dc077ebfb4489054bfd00c36fda8bb5b87c41740ac.exe

  • Size

    377KB

  • MD5

    641855448f414edc830470f5e94ce912

  • SHA1

    0c583e3346eb1eecfed3428ba24028f7ed76a91a

  • SHA256

    4802f50d6851e4e118bca0dc077ebfb4489054bfd00c36fda8bb5b87c41740ac

  • SHA512

    5b0025957a981f35d14e868c7924d893a85b8425c4da90781e0db25b7d97d5eaae05c83ea219dedae34ed345f6345ef373dd4427f6c9af418df4d621f51f8f19

  • SSDEEP

    6144:XlCA2GhNH75bYjVQMS38Gwf2hzIBp3BFlS2JIngauf1NG3DYv3JphAo88S011TE2:XJ2iNH7lZ8YhzIBNhJvntk3u3Jpil8pB

Malware Config

Signatures

  • Imminent RAT

    Remote-access trojan based on Imminent Monitor remote admin software.

  • Executes dropped EXE 2 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops desktop.ini file(s) 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4802f50d6851e4e118bca0dc077ebfb4489054bfd00c36fda8bb5b87c41740ac.exe
    "C:\Users\Admin\AppData\Local\Temp\4802f50d6851e4e118bca0dc077ebfb4489054bfd00c36fda8bb5b87c41740ac.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4504
    • C:\Users\Admin\AppData\Local\Temp\4802f50d6851e4e118bca0dc077ebfb4489054bfd00c36fda8bb5b87c41740ac.exe
      "C:\Users\Admin\AppData\Local\Temp\4802f50d6851e4e118bca0dc077ebfb4489054bfd00c36fda8bb5b87c41740ac.exe"
      2⤵
      • Drops desktop.ini file(s)
      • Drops file in Windows directory
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2940
    • C:\Users\Admin\AppData\Roaming\Microsoft\LookupSvi.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\LookupSvi.exe"
      2⤵
      • Executes dropped EXE
      • Checks computer location settings
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1780
      • C:\Users\Admin\AppData\Roaming\Microsoft\secdrv.exe
        "C:\Users\Admin\AppData\Roaming\Microsoft\secdrv.exe"
        3⤵
        • Executes dropped EXE
        PID:4200

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Microsoft\LookupSvi.exe

    Filesize

    13KB

    MD5

    541ed4a8599aa9e50dc9bca5982f1537

    SHA1

    0e8af5d101acab81d7ba6ee83fee8e1f407c3d45

    SHA256

    4e36e827a3c745027839555c71b2c137740077a8aee93487a28cd8db54a472ed

    SHA512

    63f99c8328f266da6ecb841b0893290aadb4e503a263d7c08a29e845aa3475c212c11ed151e81fc654eeb63f235cd76a42f7928e37e8d81c51ba817216ce125e

  • C:\Users\Admin\AppData\Roaming\Microsoft\LookupSvi.exe

    Filesize

    13KB

    MD5

    541ed4a8599aa9e50dc9bca5982f1537

    SHA1

    0e8af5d101acab81d7ba6ee83fee8e1f407c3d45

    SHA256

    4e36e827a3c745027839555c71b2c137740077a8aee93487a28cd8db54a472ed

    SHA512

    63f99c8328f266da6ecb841b0893290aadb4e503a263d7c08a29e845aa3475c212c11ed151e81fc654eeb63f235cd76a42f7928e37e8d81c51ba817216ce125e

  • C:\Users\Admin\AppData\Roaming\Microsoft\secdrv.exe

    Filesize

    377KB

    MD5

    641855448f414edc830470f5e94ce912

    SHA1

    0c583e3346eb1eecfed3428ba24028f7ed76a91a

    SHA256

    4802f50d6851e4e118bca0dc077ebfb4489054bfd00c36fda8bb5b87c41740ac

    SHA512

    5b0025957a981f35d14e868c7924d893a85b8425c4da90781e0db25b7d97d5eaae05c83ea219dedae34ed345f6345ef373dd4427f6c9af418df4d621f51f8f19

  • C:\Users\Admin\AppData\Roaming\Microsoft\secdrv.exe

    Filesize

    377KB

    MD5

    641855448f414edc830470f5e94ce912

    SHA1

    0c583e3346eb1eecfed3428ba24028f7ed76a91a

    SHA256

    4802f50d6851e4e118bca0dc077ebfb4489054bfd00c36fda8bb5b87c41740ac

    SHA512

    5b0025957a981f35d14e868c7924d893a85b8425c4da90781e0db25b7d97d5eaae05c83ea219dedae34ed345f6345ef373dd4427f6c9af418df4d621f51f8f19

  • memory/1780-143-0x0000000074BF0000-0x00000000751A1000-memory.dmp

    Filesize

    5.7MB

  • memory/1780-141-0x0000000074BF0000-0x00000000751A1000-memory.dmp

    Filesize

    5.7MB

  • memory/2940-140-0x0000000074BF0000-0x00000000751A1000-memory.dmp

    Filesize

    5.7MB

  • memory/2940-142-0x0000000074BF0000-0x00000000751A1000-memory.dmp

    Filesize

    5.7MB

  • memory/4200-147-0x0000000074BF0000-0x00000000751A1000-memory.dmp

    Filesize

    5.7MB

  • memory/4200-148-0x0000000074BF0000-0x00000000751A1000-memory.dmp

    Filesize

    5.7MB

  • memory/4504-133-0x0000000074BF0000-0x00000000751A1000-memory.dmp

    Filesize

    5.7MB

  • memory/4504-134-0x0000000074BF0000-0x00000000751A1000-memory.dmp

    Filesize

    5.7MB