Analysis

  • max time kernel
    148s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-05-2024 13:59

General

  • Target

    48bc9497ff9b6e89c49c58196375fea257d99fbff312a449ad9cd0d25e16a311.exe

  • Size

    31KB

  • MD5

    fe6f894736afcbaaa70712986819dd63

  • SHA1

    420b0ef62191359231cf5e07c24fa2774e8ae121

  • SHA256

    48bc9497ff9b6e89c49c58196375fea257d99fbff312a449ad9cd0d25e16a311

  • SHA512

    9e8ee88d0f27d6c220a296935158735d1a540c0510332d0a294709cde1c2b2161e9109232350e6933d1096b42af4a24d842a59545e92c6d43448e863c3c53f6a

  • SSDEEP

    768:JrMXBwpJbb2zxxO5gaqn5isfvy4QmIDUu0tikqj:+kKJisLQVkGj

Score
10/10

Malware Config

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • 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).

  • Suspicious use of AdjustPrivilegeToken 35 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\48bc9497ff9b6e89c49c58196375fea257d99fbff312a449ad9cd0d25e16a311.exe
    "C:\Users\Admin\AppData\Local\Temp\48bc9497ff9b6e89c49c58196375fea257d99fbff312a449ad9cd0d25e16a311.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3688
    • C:\Users\Admin\AppData\Roaming\WindowsServices.exe
      "C:\Users\Admin\AppData\Roaming\WindowsServices.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:220
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\WindowsServices.exe" "WindowsServices.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        PID:3944
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=3240,i,17096020621006928097,15544233752327415349,262144 --variations-seed-version --mojo-platform-channel-handle=4588 /prefetch:8
    1⤵
      PID:4076

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Persistence

    Create or Modify System Process

    1
    T1543

    Windows Service

    1
    T1543.003

    Privilege Escalation

    Create or Modify System Process

    1
    T1543

    Windows Service

    1
    T1543.003

    Defense Evasion

    Impair Defenses

    1
    T1562

    Disable or Modify System Firewall

    1
    T1562.004

    Discovery

    Query Registry

    1
    T1012

    System Information Discovery

    2
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Roaming\WindowsServices.exe
      Filesize

      31KB

      MD5

      fe6f894736afcbaaa70712986819dd63

      SHA1

      420b0ef62191359231cf5e07c24fa2774e8ae121

      SHA256

      48bc9497ff9b6e89c49c58196375fea257d99fbff312a449ad9cd0d25e16a311

      SHA512

      9e8ee88d0f27d6c220a296935158735d1a540c0510332d0a294709cde1c2b2161e9109232350e6933d1096b42af4a24d842a59545e92c6d43448e863c3c53f6a

    • memory/220-13-0x0000000074B20000-0x00000000750D1000-memory.dmp
      Filesize

      5.7MB

    • memory/220-14-0x0000000074B20000-0x00000000750D1000-memory.dmp
      Filesize

      5.7MB

    • memory/220-15-0x0000000074B20000-0x00000000750D1000-memory.dmp
      Filesize

      5.7MB

    • memory/3688-0-0x0000000074B22000-0x0000000074B23000-memory.dmp
      Filesize

      4KB

    • memory/3688-1-0x0000000074B20000-0x00000000750D1000-memory.dmp
      Filesize

      5.7MB

    • memory/3688-2-0x0000000074B20000-0x00000000750D1000-memory.dmp
      Filesize

      5.7MB

    • memory/3688-12-0x0000000074B20000-0x00000000750D1000-memory.dmp
      Filesize

      5.7MB