Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-01-2023 08:44

General

  • Target

    0x000b0000000122f8-57.exe

  • Size

    55KB

  • MD5

    4f8d0d9157298433bf22955d30462d72

  • SHA1

    5fe06ac65da8bbc98689c496ccfe36eae898e698

  • SHA256

    8ac73cedb35abeb387e8ae77f418305d3e389a84756488c84338b58721edf373

  • SHA512

    b0c9bba9f32b25287a7f8d2339b8556bb354dc177eb4cec79e4563e3b73d499bfba378677e115b0bc290eec55f1899e8d7d2a9457100f4d3b80d594fa9c936ac

  • SSDEEP

    1536:hUsoDnb4DNQ7SCCHDrwsNMDPXExI3pmZm:poDnEWOrHDrwsNMDPXExI3pm

Score
10/10

Malware Config

Extracted

Family

njrat

Version

<- NjRAT 0.7d Horror Edition ->

Botnet

HacK

C2

0.tcp.in.ngrok.io:11408

Mutex

f98d9d08ffb40400218be2d9b125d7d3

Attributes
  • reg_key

    f98d9d08ffb40400218be2d9b125d7d3

  • splitter

    Y262SUCZ4UJJ

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.

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 36 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0x000b0000000122f8-57.exe
    "C:\Users\Admin\AppData\Local\Temp\0x000b0000000122f8-57.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4920
    • C:\Users\Admin\hoodies.exe
      "C:\Users\Admin\hoodies.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1560

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\hoodies.exe
    Filesize

    55KB

    MD5

    4f8d0d9157298433bf22955d30462d72

    SHA1

    5fe06ac65da8bbc98689c496ccfe36eae898e698

    SHA256

    8ac73cedb35abeb387e8ae77f418305d3e389a84756488c84338b58721edf373

    SHA512

    b0c9bba9f32b25287a7f8d2339b8556bb354dc177eb4cec79e4563e3b73d499bfba378677e115b0bc290eec55f1899e8d7d2a9457100f4d3b80d594fa9c936ac

  • C:\Users\Admin\hoodies.exe
    Filesize

    55KB

    MD5

    4f8d0d9157298433bf22955d30462d72

    SHA1

    5fe06ac65da8bbc98689c496ccfe36eae898e698

    SHA256

    8ac73cedb35abeb387e8ae77f418305d3e389a84756488c84338b58721edf373

    SHA512

    b0c9bba9f32b25287a7f8d2339b8556bb354dc177eb4cec79e4563e3b73d499bfba378677e115b0bc290eec55f1899e8d7d2a9457100f4d3b80d594fa9c936ac

  • memory/1560-133-0x0000000000000000-mapping.dmp
  • memory/1560-136-0x0000000074EC0000-0x0000000075471000-memory.dmp
    Filesize

    5.7MB

  • memory/1560-138-0x0000000074EC0000-0x0000000075471000-memory.dmp
    Filesize

    5.7MB

  • memory/4920-132-0x0000000074EC0000-0x0000000075471000-memory.dmp
    Filesize

    5.7MB

  • memory/4920-137-0x0000000074EC0000-0x0000000075471000-memory.dmp
    Filesize

    5.7MB