Analysis

  • max time kernel
    148s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    24-02-2024 04:27

General

  • Target

    jjj.exe

  • Size

    37KB

  • MD5

    1b6f416c01dab81fc69ba006b4cfd768

  • SHA1

    ce5f59bcd9ab11d17e5c6dcc5024722f5275328a

  • SHA256

    91f01488d2602ac9c3139c22fe0ff48212d8da63be4f9fa33f48ad9ac778a974

  • SHA512

    94c083810adc76efd0d8928a93622f2001961efcb0fb002f9dfe77aad9c07eefe4fab768be35f2a674c97c0008f5dc1e5f392c0ce4a1c2a3435ee7f07b8d3ea7

  • SSDEEP

    384:SsSKMizdTjnBhFbJ8ycPvZ3hdwKax0rAF+rMRTyN/0L+EcoinblneHQM3epzXGNl:lSgTlLJfcPvZP9aurM+rMRa8NuQ9t

Malware Config

Extracted

Family

njrat

Version

im523

Botnet

HacKed

C2

nature-dawn.gl.at.ply.gg:80

Mutex

94d5d7ec08f7537bc3b2ffefec79a8b3

Attributes
  • reg_key

    94d5d7ec08f7537bc3b2ffefec79a8b3

  • splitter

    |'|'|

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\jjj.exe
    "C:\Users\Admin\AppData\Local\Temp\jjj.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2172
    • C:\Users\Admin\AppData\Roaming\ver.exe
      "C:\Users\Admin\AppData\Roaming\ver.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3068
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\ver.exe" "ver.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        PID:1976

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Roaming\ver.exe

    Filesize

    37KB

    MD5

    1b6f416c01dab81fc69ba006b4cfd768

    SHA1

    ce5f59bcd9ab11d17e5c6dcc5024722f5275328a

    SHA256

    91f01488d2602ac9c3139c22fe0ff48212d8da63be4f9fa33f48ad9ac778a974

    SHA512

    94c083810adc76efd0d8928a93622f2001961efcb0fb002f9dfe77aad9c07eefe4fab768be35f2a674c97c0008f5dc1e5f392c0ce4a1c2a3435ee7f07b8d3ea7

  • memory/2172-0-0x0000000074520000-0x0000000074ACB000-memory.dmp

    Filesize

    5.7MB

  • memory/2172-1-0x0000000074520000-0x0000000074ACB000-memory.dmp

    Filesize

    5.7MB

  • memory/2172-2-0x0000000000C20000-0x0000000000C60000-memory.dmp

    Filesize

    256KB

  • memory/2172-10-0x0000000074520000-0x0000000074ACB000-memory.dmp

    Filesize

    5.7MB

  • memory/3068-12-0x0000000000B60000-0x0000000000BA0000-memory.dmp

    Filesize

    256KB

  • memory/3068-11-0x0000000074520000-0x0000000074ACB000-memory.dmp

    Filesize

    5.7MB

  • memory/3068-13-0x0000000074520000-0x0000000074ACB000-memory.dmp

    Filesize

    5.7MB

  • memory/3068-14-0x0000000074520000-0x0000000074ACB000-memory.dmp

    Filesize

    5.7MB

  • memory/3068-15-0x0000000000B60000-0x0000000000BA0000-memory.dmp

    Filesize

    256KB

  • memory/3068-16-0x0000000074520000-0x0000000074ACB000-memory.dmp

    Filesize

    5.7MB