Analysis

  • max time kernel
    151s
  • max time network
    139s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2022 05:00

General

  • Target

    2b2d14a5b497f65d1735160bdf5b67a74dfdd2ed6f46ba2fe7e30cadf8598ecc.exe

  • Size

    360KB

  • MD5

    759e169a84546b211620d22ddb801874

  • SHA1

    e9a651979706d5270ecec31ab43fe9d687c4868c

  • SHA256

    2b2d14a5b497f65d1735160bdf5b67a74dfdd2ed6f46ba2fe7e30cadf8598ecc

  • SHA512

    5f01f33d3c935c533b971d1dc6cb5b7eae8be6a2a7be2b6699f3f8f6e45dc5765ae7665f00e2c10768a7baba7ceac45b5580a4fb407c5262493b30032904cc4e

  • SSDEEP

    6144:Oe20iBi8M0yAmr6DGQedTSkeaHSUh7iONZ2x/EenVHPaLLJmh9fxqnZepp9CJ:8xihLr6DJ2L1ph7MFCLLJIqmp9

Malware Config

Extracted

Family

njrat

Version

0.6.4

Botnet

HacKed

C2

yazidhack123.no-ip.biz:1177

Mutex

ed6e2bf930f6d35b3ac57c049d10ac2c

Attributes
  • reg_key

    ed6e2bf930f6d35b3ac57c049d10ac2c

  • splitter

    |'|'|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Executes dropped EXE 2 IoCs
  • Modifies Windows Firewall 1 TTPs 1 IoCs
  • Drops startup file 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 20 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2b2d14a5b497f65d1735160bdf5b67a74dfdd2ed6f46ba2fe7e30cadf8598ecc.exe
    "C:\Users\Admin\AppData\Local\Temp\2b2d14a5b497f65d1735160bdf5b67a74dfdd2ed6f46ba2fe7e30cadf8598ecc.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1756
    • C:\Users\Admin\AppData\LocalTyAwpoxvAB.exe
      "C:\Users\Admin\AppData\LocalTyAwpoxvAB.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1000
      • C:\Users\Admin\AppData\Local\Temp\Explorer.exe
        "C:\Users\Admin\AppData\Local\Temp\Explorer.exe"
        3⤵
        • Executes dropped EXE
        • Drops startup file
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:568
        • C:\Windows\SysWOW64\netsh.exe
          netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Explorer.exe" "Explorer.exe" ENABLE
          4⤵
          • Modifies Windows Firewall
          PID:1472

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\LocalTyAwpoxvAB.exe

    Filesize

    29KB

    MD5

    c39bf6a08c68dd711bcc79eb769c0d90

    SHA1

    9085bd855aa7be72788d165af8deeb6639e67237

    SHA256

    0406bd39edbd37956ef1c716ed82f5205a0a1551b9e1a655e24d19c487352a2b

    SHA512

    6c065acadbff2a2438489e0cfabe85b59aa6195be1cd7c748c7e125f40f040ed80e18e0645fd177e6ea04df53524ab22b36127cd2bbf31fd51a85904a1732721

  • C:\Users\Admin\AppData\LocalTyAwpoxvAB.exe

    Filesize

    29KB

    MD5

    c39bf6a08c68dd711bcc79eb769c0d90

    SHA1

    9085bd855aa7be72788d165af8deeb6639e67237

    SHA256

    0406bd39edbd37956ef1c716ed82f5205a0a1551b9e1a655e24d19c487352a2b

    SHA512

    6c065acadbff2a2438489e0cfabe85b59aa6195be1cd7c748c7e125f40f040ed80e18e0645fd177e6ea04df53524ab22b36127cd2bbf31fd51a85904a1732721

  • C:\Users\Admin\AppData\Local\Temp\Explorer.exe

    Filesize

    29KB

    MD5

    c39bf6a08c68dd711bcc79eb769c0d90

    SHA1

    9085bd855aa7be72788d165af8deeb6639e67237

    SHA256

    0406bd39edbd37956ef1c716ed82f5205a0a1551b9e1a655e24d19c487352a2b

    SHA512

    6c065acadbff2a2438489e0cfabe85b59aa6195be1cd7c748c7e125f40f040ed80e18e0645fd177e6ea04df53524ab22b36127cd2bbf31fd51a85904a1732721

  • C:\Users\Admin\AppData\Local\Temp\Explorer.exe

    Filesize

    29KB

    MD5

    c39bf6a08c68dd711bcc79eb769c0d90

    SHA1

    9085bd855aa7be72788d165af8deeb6639e67237

    SHA256

    0406bd39edbd37956ef1c716ed82f5205a0a1551b9e1a655e24d19c487352a2b

    SHA512

    6c065acadbff2a2438489e0cfabe85b59aa6195be1cd7c748c7e125f40f040ed80e18e0645fd177e6ea04df53524ab22b36127cd2bbf31fd51a85904a1732721

  • \Users\Admin\AppData\Local\Temp\Explorer.exe

    Filesize

    29KB

    MD5

    c39bf6a08c68dd711bcc79eb769c0d90

    SHA1

    9085bd855aa7be72788d165af8deeb6639e67237

    SHA256

    0406bd39edbd37956ef1c716ed82f5205a0a1551b9e1a655e24d19c487352a2b

    SHA512

    6c065acadbff2a2438489e0cfabe85b59aa6195be1cd7c748c7e125f40f040ed80e18e0645fd177e6ea04df53524ab22b36127cd2bbf31fd51a85904a1732721

  • memory/568-63-0x0000000000000000-mapping.dmp

  • memory/568-68-0x0000000074EE0000-0x000000007548B000-memory.dmp

    Filesize

    5.7MB

  • memory/568-71-0x0000000074EE0000-0x000000007548B000-memory.dmp

    Filesize

    5.7MB

  • memory/1000-60-0x0000000076871000-0x0000000076873000-memory.dmp

    Filesize

    8KB

  • memory/1000-61-0x0000000074EE0000-0x000000007548B000-memory.dmp

    Filesize

    5.7MB

  • memory/1000-56-0x0000000000000000-mapping.dmp

  • memory/1000-67-0x0000000074EE0000-0x000000007548B000-memory.dmp

    Filesize

    5.7MB

  • memory/1472-69-0x0000000000000000-mapping.dmp

  • memory/1756-59-0x000000001AFA0000-0x000000001AFB0000-memory.dmp

    Filesize

    64KB

  • memory/1756-54-0x000007FEF4A30000-0x000007FEF5453000-memory.dmp

    Filesize

    10.1MB

  • memory/1756-55-0x000007FEFC521000-0x000007FEFC523000-memory.dmp

    Filesize

    8KB