Analysis

  • max time kernel
    179s
  • max time network
    187s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2022 09:42

General

  • Target

    3e8d65e81df336aa3bac5b1d332e075fe48c2b6e256c004f1635168674883f28.exe

  • Size

    180KB

  • MD5

    f76896af9cfc0316ef7f670c7f5ed927

  • SHA1

    e536ae98ec304649f5bc9f18f9731e54f544228e

  • SHA256

    3e8d65e81df336aa3bac5b1d332e075fe48c2b6e256c004f1635168674883f28

  • SHA512

    9f9f904ccd867aa94b8822416641d105ecba9b2e67f9675e48303c696083b50c89f22f831faa9a6a6696004417d141a74ada77d40119c424eb546b47ec0197da

  • SSDEEP

    3072:YbzRtQ/hKbSjSQgBp0kZlqTb/dtzDE+Khtntpsak8rDWtV+:YQoSqhZlQRtzDCt3t4

Score
10/10

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

0788878940.no-ip.org:55554

Mutex

46123a2deb0d891e7972ee418c053b39

Attributes
  • reg_key

    46123a2deb0d891e7972ee418c053b39

  • splitter

    |'|'|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

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

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

  • Drops desktop.ini file(s) 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3e8d65e81df336aa3bac5b1d332e075fe48c2b6e256c004f1635168674883f28.exe
    "C:\Users\Admin\AppData\Local\Temp\3e8d65e81df336aa3bac5b1d332e075fe48c2b6e256c004f1635168674883f28.exe"
    1⤵
    • Drops desktop.ini file(s)
    • Suspicious use of SetThreadContext
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1940
    • C:\Users\Admin\AppData\Local\Temp\3e8d65e81df336aa3bac5b1d332e075fe48c2b6e256c004f1635168674883f28.exe
      C:\Users\Admin\AppData\Local\Temp\3e8d65e81df336aa3bac5b1d332e075fe48c2b6e256c004f1635168674883f28.exe
      2⤵
      • Checks computer location settings
      • Suspicious use of WriteProcessMemory
      PID:3432
      • C:\Users\Admin\AppData\Roaming\windows.exe
        "C:\Users\Admin\AppData\Roaming\windows.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2872
        • C:\Users\Admin\AppData\Roaming\windows.exe
          C:\Users\Admin\AppData\Roaming\windows.exe
          4⤵
            PID:5064

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\3e8d65e81df336aa3bac5b1d332e075fe48c2b6e256c004f1635168674883f28.exe.log

      Filesize

      496B

      MD5

      7baa6583f69f63f7230df9bf98448356

      SHA1

      fe9eb85b57192362da704a3c130377fe83862320

      SHA256

      a632504621b4cac1d5ba5465c7ad9b30f3d036e9838682506782124a211bed4f

      SHA512

      0e72541791281c0fdac1f5fc6beea0b9eb8766b2a386aecb92cb8a44e5b59b7114c79194393ddeff957ffe86021a311caed7ce2731b863d97ad441870efbc051

    • C:\Users\Admin\AppData\Roaming\windows.exe

      Filesize

      180KB

      MD5

      f76896af9cfc0316ef7f670c7f5ed927

      SHA1

      e536ae98ec304649f5bc9f18f9731e54f544228e

      SHA256

      3e8d65e81df336aa3bac5b1d332e075fe48c2b6e256c004f1635168674883f28

      SHA512

      9f9f904ccd867aa94b8822416641d105ecba9b2e67f9675e48303c696083b50c89f22f831faa9a6a6696004417d141a74ada77d40119c424eb546b47ec0197da

    • C:\Users\Admin\AppData\Roaming\windows.exe

      Filesize

      180KB

      MD5

      f76896af9cfc0316ef7f670c7f5ed927

      SHA1

      e536ae98ec304649f5bc9f18f9731e54f544228e

      SHA256

      3e8d65e81df336aa3bac5b1d332e075fe48c2b6e256c004f1635168674883f28

      SHA512

      9f9f904ccd867aa94b8822416641d105ecba9b2e67f9675e48303c696083b50c89f22f831faa9a6a6696004417d141a74ada77d40119c424eb546b47ec0197da

    • memory/1940-133-0x0000000074A00000-0x0000000074FB1000-memory.dmp

      Filesize

      5.7MB

    • memory/1940-132-0x0000000074A00000-0x0000000074FB1000-memory.dmp

      Filesize

      5.7MB

    • memory/1940-137-0x0000000074A00000-0x0000000074FB1000-memory.dmp

      Filesize

      5.7MB

    • memory/2872-146-0x0000000074A00000-0x0000000074FB1000-memory.dmp

      Filesize

      5.7MB

    • memory/2872-145-0x0000000074A00000-0x0000000074FB1000-memory.dmp

      Filesize

      5.7MB

    • memory/2872-139-0x0000000000000000-mapping.dmp

    • memory/3432-135-0x0000000000400000-0x000000000040C000-memory.dmp

      Filesize

      48KB

    • memory/3432-138-0x0000000074A00000-0x0000000074FB1000-memory.dmp

      Filesize

      5.7MB

    • memory/3432-143-0x0000000074A00000-0x0000000074FB1000-memory.dmp

      Filesize

      5.7MB

    • memory/3432-136-0x0000000074A00000-0x0000000074FB1000-memory.dmp

      Filesize

      5.7MB

    • memory/3432-134-0x0000000000000000-mapping.dmp

    • memory/5064-144-0x0000000000000000-mapping.dmp