Analysis

  • max time kernel
    135s
  • max time network
    104s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-05-2024 11:57

General

  • Target

    rmtixfwn.ps1

  • Size

    243B

  • MD5

    b37f28fd9b296552224c51f74b89321d

  • SHA1

    8fbd4979d302f20cb6133140391d3fc32644c61e

  • SHA256

    173874e3043653514f5c49e0fec9473043c6cf9f6c441d23efd8555f0e9f1b90

  • SHA512

    246906359d2e8bd442c4a046856cc0f8e2d16a142bde93bcfc4c334d3e9b3af55cd3ce4c89a5c088e3e1e914bbd3d4909cbf33c9f9a90343f4bd25c783e67f9e

Malware Config

Extracted

Family

darkgate

Botnet

admin888

C2

updateleft.com

Attributes
  • anti_analysis

    true

  • anti_debug

    false

  • anti_vm

    true

  • c2_port

    80

  • check_disk

    false

  • check_ram

    false

  • check_xeon

    false

  • crypter_au3

    false

  • crypter_dll

    false

  • crypter_raw_stub

    false

  • internal_mutex

    SbCjRKFB

  • minimum_disk

    100

  • minimum_ram

    4096

  • ping_interval

    6

  • rootkit

    false

  • startup_persistence

    true

  • username

    admin888

Signatures

  • DarkGate

    DarkGate is an infostealer written in C++.

  • Detect DarkGate stealer 2 IoCs
  • Blocklisted process makes network request 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Command and Scripting Interpreter: AutoIT 1 TTPs 1 IoCs

    Using AutoIT for possible automate script.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs
  • Views/modifies file attributes 1 TTPs 1 IoCs

Processes

  • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\rmtixfwn.ps1
    1⤵
    • Blocklisted process makes network request
    • Command and Scripting Interpreter: PowerShell
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4636
    • C:\bwjv\Autoit3.exe
      "C:\bwjv\Autoit3.exe" script.a3x
      2⤵
      • Executes dropped EXE
      • Command and Scripting Interpreter: AutoIT
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:1924
    • C:\Windows\system32\attrib.exe
      "C:\Windows\system32\attrib.exe" +h C:/bwjv/
      2⤵
      • Views/modifies file attributes
      PID:3468

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_nvd5o2l3.sev.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\bwjv\Autoit3.exe

    Filesize

    872KB

    MD5

    c56b5f0201a3b3de53e561fe76912bfd

    SHA1

    2a4062e10a5de813f5688221dbeb3f3ff33eb417

    SHA256

    237d1bca6e056df5bb16a1216a434634109478f882d3b1d58344c801d184f95d

    SHA512

    195b98245bb820085ae9203cdb6d470b749d1f228908093e8606453b027b7d7681ccd7952e30c2f5dd40f8f0b999ccfc60ebb03419b574c08de6816e75710d2c

  • C:\bwjv\script.a3x

    Filesize

    497KB

    MD5

    e6dcf390f0861b103a8331222dbb29fd

    SHA1

    d2518370574b20bcc2dd457e71d129889f7fc98f

    SHA256

    42b6480c1547bf3867d63dcfec7d5d301d770ce45f82931d922d22def3942d6b

    SHA512

    ceb792c6a9cca9edcf3066bff6cae493a9da8b48581030bda87388e2e8c5d18d7dcdf019f2d0fb62c706c4494b117ed27ce8ac02b24fb24fab5802fa4fd0bb1c

  • memory/1924-39-0x0000000004330000-0x00000000046CA000-memory.dmp

    Filesize

    3.6MB

  • memory/1924-37-0x0000000001350000-0x0000000001750000-memory.dmp

    Filesize

    4.0MB

  • memory/1924-38-0x0000000004330000-0x00000000046CA000-memory.dmp

    Filesize

    3.6MB

  • memory/4636-11-0x00007FF9543D0000-0x00007FF954E91000-memory.dmp

    Filesize

    10.8MB

  • memory/4636-16-0x0000021FEDCF0000-0x0000021FEDCFA000-memory.dmp

    Filesize

    40KB

  • memory/4636-15-0x0000021FEDD10000-0x0000021FEDD22000-memory.dmp

    Filesize

    72KB

  • memory/4636-14-0x00007FF9543D0000-0x00007FF954E91000-memory.dmp

    Filesize

    10.8MB

  • memory/4636-35-0x00007FF9543D0000-0x00007FF954E91000-memory.dmp

    Filesize

    10.8MB

  • memory/4636-12-0x00007FF9543D0000-0x00007FF954E91000-memory.dmp

    Filesize

    10.8MB

  • memory/4636-0-0x00007FF9543D3000-0x00007FF9543D5000-memory.dmp

    Filesize

    8KB

  • memory/4636-1-0x0000021FECEC0000-0x0000021FECEE2000-memory.dmp

    Filesize

    136KB