Analysis

  • max time kernel
    209s
  • max time network
    254s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-11-2022 23:02

General

  • Target

    d80eba906f804ccde59353ff206e75a29f8ed135060762007e28d502ed2e338d.exe

  • Size

    120KB

  • MD5

    2784566458b53d0541e566ec4a87cf15

  • SHA1

    5b5c958442ec21134b6d812ebc4a23e12593148a

  • SHA256

    d80eba906f804ccde59353ff206e75a29f8ed135060762007e28d502ed2e338d

  • SHA512

    a24d6b7c3313ccd26f37c82e1408707534308096ae214ac3e996a7fc08867dbeb900220834a0c3a23020437c7a856448162fe36f90771dba62ff5b7d0533c258

  • SSDEEP

    3072:NXr4D0ly84H/ua83JE3SndfNGPeoWHsUA698TENIDz:NXQH/uf3+CWm/sP69iEeD

Malware Config

Extracted

Family

njrat

Version

0.6.4

Botnet

ABo sHaRef

C2

ahmadps1.no-ip.biz:1177

Mutex

03fedc96767daacbbd68dedb83cfdfae

Attributes
  • reg_key

    03fedc96767daacbbd68dedb83cfdfae

  • splitter

    |'|'|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Executes dropped EXE 2 IoCs
  • Modifies Windows Firewall 1 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d80eba906f804ccde59353ff206e75a29f8ed135060762007e28d502ed2e338d.exe
    "C:\Users\Admin\AppData\Local\Temp\d80eba906f804ccde59353ff206e75a29f8ed135060762007e28d502ed2e338d.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1808
    • C:\Users\Admin\AppData\Local\Temp\d80eba906f804ccde59353ff206e75a29f8ed135060762007e28d502ed2e338d.exe
      C:\Users\Admin\AppData\Local\Temp\d80eba906f804ccde59353ff206e75a29f8ed135060762007e28d502ed2e338d.exe
      2⤵
      • Checks computer location settings
      • Suspicious use of WriteProcessMemory
      PID:4568
      • C:\Users\Admin\AppData\Local\Temp\Google chrome.exe
        "C:\Users\Admin\AppData\Local\Temp\Google chrome.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:3644
        • C:\Users\Admin\AppData\Local\Temp\Google chrome.exe
          "C:\Users\Admin\AppData\Local\Temp\Google chrome.exe"
          4⤵
          • Executes dropped EXE
          • Adds Run key to start application
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:692
          • C:\Windows\SysWOW64\netsh.exe
            netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Google chrome.exe" "Google chrome.exe" ENABLE
            5⤵
            • Modifies Windows Firewall
            PID:4924

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\d80eba906f804ccde59353ff206e75a29f8ed135060762007e28d502ed2e338d.exe.log
    Filesize

    418B

    MD5

    89c8a5340eb284f551067d44e27ae8dd

    SHA1

    d2431ae25a1ab67762a5125574f046f4c951d297

    SHA256

    73ca1f27b1c153e3405856ebe8b3c6cdd23424d2ab09c0fe1eb0e2075513057b

    SHA512

    b101ac2e008bd3cc6f97fedb97b8253fb07fed1c334629ecbebe0f4942ccc1070491cddc4daea521164543b6f97ba9b99d2be1c50cc5a013f04e697fea9dbdac

  • C:\Users\Admin\AppData\Local\Temp\Google chrome.exe
    Filesize

    120KB

    MD5

    2784566458b53d0541e566ec4a87cf15

    SHA1

    5b5c958442ec21134b6d812ebc4a23e12593148a

    SHA256

    d80eba906f804ccde59353ff206e75a29f8ed135060762007e28d502ed2e338d

    SHA512

    a24d6b7c3313ccd26f37c82e1408707534308096ae214ac3e996a7fc08867dbeb900220834a0c3a23020437c7a856448162fe36f90771dba62ff5b7d0533c258

  • C:\Users\Admin\AppData\Local\Temp\Google chrome.exe
    Filesize

    120KB

    MD5

    2784566458b53d0541e566ec4a87cf15

    SHA1

    5b5c958442ec21134b6d812ebc4a23e12593148a

    SHA256

    d80eba906f804ccde59353ff206e75a29f8ed135060762007e28d502ed2e338d

    SHA512

    a24d6b7c3313ccd26f37c82e1408707534308096ae214ac3e996a7fc08867dbeb900220834a0c3a23020437c7a856448162fe36f90771dba62ff5b7d0533c258

  • C:\Users\Admin\AppData\Local\Temp\Google chrome.exe
    Filesize

    120KB

    MD5

    2784566458b53d0541e566ec4a87cf15

    SHA1

    5b5c958442ec21134b6d812ebc4a23e12593148a

    SHA256

    d80eba906f804ccde59353ff206e75a29f8ed135060762007e28d502ed2e338d

    SHA512

    a24d6b7c3313ccd26f37c82e1408707534308096ae214ac3e996a7fc08867dbeb900220834a0c3a23020437c7a856448162fe36f90771dba62ff5b7d0533c258

  • memory/692-142-0x0000000000000000-mapping.dmp
  • memory/1808-135-0x0000000007310000-0x000000000731A000-memory.dmp
    Filesize

    40KB

  • memory/1808-136-0x00000000097E0000-0x000000000987C000-memory.dmp
    Filesize

    624KB

  • memory/1808-132-0x00000000002C0000-0x00000000002E4000-memory.dmp
    Filesize

    144KB

  • memory/1808-134-0x0000000007340000-0x00000000073D2000-memory.dmp
    Filesize

    584KB

  • memory/1808-133-0x00000000077F0000-0x0000000007D94000-memory.dmp
    Filesize

    5.6MB

  • memory/3644-139-0x0000000000000000-mapping.dmp
  • memory/3644-146-0x000000000118D000-0x000000000118F000-memory.dmp
    Filesize

    8KB

  • memory/4568-138-0x0000000000400000-0x000000000040E000-memory.dmp
    Filesize

    56KB

  • memory/4568-137-0x0000000000000000-mapping.dmp
  • memory/4924-145-0x0000000000000000-mapping.dmp