Analysis

  • max time kernel
    178s
  • max time network
    210s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-11-2022 04:23

General

  • Target

    9387753971c8b749b4edef686758f94018543fc84c65975eff71a5daefd98494.exe

  • Size

    368KB

  • MD5

    ad0fa345b71a76b8d15c94bec1a1f4f6

  • SHA1

    f029a767679d8f203d3b631e79b9391a9d7c1879

  • SHA256

    9387753971c8b749b4edef686758f94018543fc84c65975eff71a5daefd98494

  • SHA512

    670aa1273c71e9fde7a5e8093d6e9c9dc743c5b87cf9cdeb31d30c9059e77511595abfe791d824eca1f012ad55ea08b3c4c518ee2ae92deaa22ac96480190f14

  • SSDEEP

    3072:60py5k0ogEyQdvbj/AbOlm+Qm2Ij8uluvXLonyAKaLap2F3glH/EHnPBM3ZwCr2B:

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

185.20.224.121:80

Mutex

ab66a766385428849b68a77f294c8ace

Attributes
  • reg_key

    ab66a766385428849b68a77f294c8ace

  • splitter

    |'|'|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Executes dropped EXE 1 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
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 29 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9387753971c8b749b4edef686758f94018543fc84c65975eff71a5daefd98494.exe
    "C:\Users\Admin\AppData\Local\Temp\9387753971c8b749b4edef686758f94018543fc84c65975eff71a5daefd98494.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4304
    • C:\Users\Admin\AppData\Local\Temp\svchost.exe
      "C:\Users\Admin\AppData\Local\Temp\svchost.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1812
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\svchost.exe" "svchost.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        PID:1724

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    Filesize

    368KB

    MD5

    ad0fa345b71a76b8d15c94bec1a1f4f6

    SHA1

    f029a767679d8f203d3b631e79b9391a9d7c1879

    SHA256

    9387753971c8b749b4edef686758f94018543fc84c65975eff71a5daefd98494

    SHA512

    670aa1273c71e9fde7a5e8093d6e9c9dc743c5b87cf9cdeb31d30c9059e77511595abfe791d824eca1f012ad55ea08b3c4c518ee2ae92deaa22ac96480190f14

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

    Filesize

    368KB

    MD5

    ad0fa345b71a76b8d15c94bec1a1f4f6

    SHA1

    f029a767679d8f203d3b631e79b9391a9d7c1879

    SHA256

    9387753971c8b749b4edef686758f94018543fc84c65975eff71a5daefd98494

    SHA512

    670aa1273c71e9fde7a5e8093d6e9c9dc743c5b87cf9cdeb31d30c9059e77511595abfe791d824eca1f012ad55ea08b3c4c518ee2ae92deaa22ac96480190f14

  • memory/1724-139-0x0000000000000000-mapping.dmp

  • memory/1812-134-0x0000000000000000-mapping.dmp

  • memory/1812-138-0x0000000075590000-0x0000000075B41000-memory.dmp

    Filesize

    5.7MB

  • memory/1812-140-0x0000000075590000-0x0000000075B41000-memory.dmp

    Filesize

    5.7MB

  • memory/4304-132-0x0000000075590000-0x0000000075B41000-memory.dmp

    Filesize

    5.7MB

  • memory/4304-133-0x0000000075590000-0x0000000075B41000-memory.dmp

    Filesize

    5.7MB

  • memory/4304-137-0x0000000075590000-0x0000000075B41000-memory.dmp

    Filesize

    5.7MB