Analysis

  • max time kernel
    148s
  • max time network
    140s
  • platform
    windows7_x64
  • resource
    win7-20240419-en
  • resource tags

    arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-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

Extracted

Family

njrat

Version

0.7d

Botnet

1

C2

talkh.ddns.net:4444

Mutex

cf4d648acaef80f615dcce168ffc92e1

Attributes
  • reg_key

    cf4d648acaef80f615dcce168ffc92e1

  • splitter

    Y262SUCZ4UJJ

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 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 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\48bc9497ff9b6e89c49c58196375fea257d99fbff312a449ad9cd0d25e16a311.exe
    "C:\Users\Admin\AppData\Local\Temp\48bc9497ff9b6e89c49c58196375fea257d99fbff312a449ad9cd0d25e16a311.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1824
    • 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:3048
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\WindowsServices.exe" "WindowsServices.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        PID:2612

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

System Information Discovery

1
T1082

Replay Monitor

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Downloads

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

    31KB

    MD5

    fe6f894736afcbaaa70712986819dd63

    SHA1

    420b0ef62191359231cf5e07c24fa2774e8ae121

    SHA256

    48bc9497ff9b6e89c49c58196375fea257d99fbff312a449ad9cd0d25e16a311

    SHA512

    9e8ee88d0f27d6c220a296935158735d1a540c0510332d0a294709cde1c2b2161e9109232350e6933d1096b42af4a24d842a59545e92c6d43448e863c3c53f6a

  • memory/1824-2-0x0000000074280000-0x000000007482B000-memory.dmp
    Filesize

    5.7MB

  • memory/1824-1-0x0000000074280000-0x000000007482B000-memory.dmp
    Filesize

    5.7MB

  • memory/1824-0-0x0000000074281000-0x0000000074282000-memory.dmp
    Filesize

    4KB

  • memory/1824-11-0x0000000074280000-0x000000007482B000-memory.dmp
    Filesize

    5.7MB

  • memory/3048-10-0x0000000074280000-0x000000007482B000-memory.dmp
    Filesize

    5.7MB

  • memory/3048-12-0x0000000074280000-0x000000007482B000-memory.dmp
    Filesize

    5.7MB