Analysis

  • max time kernel
    116s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-11-2024 03:41

General

  • Target

    8dace129815dacb380a62aa39f6a4cc02f7ba630f1edf02f2cf8a92d8f00e97bN.exe

  • Size

    43KB

  • MD5

    b0313c9c6e8d88277fadfdec317f0570

  • SHA1

    e5449108a374250c4b92a00ce8ae71d9d4b1aa86

  • SHA256

    8dace129815dacb380a62aa39f6a4cc02f7ba630f1edf02f2cf8a92d8f00e97b

  • SHA512

    8e84706d0dfc10117f32f956a2b3e3193dda76b61f97c83c0d10df6a4a08c3ef1a13c9121f23f20199b485e0321bf5a3f6e3786ac37e26dd9757600023d964c2

  • SSDEEP

    384:AZyevHn1iDcsyEqtBfkEGCOEhGyOEtzcIij+ZsNO3PlpJKkkjh/TzF7pWno/greT:mhHnU4pEqtNkE5SyZuXQ/oR3+L

Malware Config

Extracted

Family

njrat

Version

Njrat 0.7 Golden By Hassan Amiri

Botnet

HacKed

C2

127.0.0.1:5552

Mutex

Windows Update

Attributes
  • reg_key

    Windows Update

  • splitter

    |Hassan|

Signatures

  • Njrat family
  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Checks computer location settings 2 TTPs 1 IoCs

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

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

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 27 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8dace129815dacb380a62aa39f6a4cc02f7ba630f1edf02f2cf8a92d8f00e97bN.exe
    "C:\Users\Admin\AppData\Local\Temp\8dace129815dacb380a62aa39f6a4cc02f7ba630f1edf02f2cf8a92d8f00e97bN.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of WriteProcessMemory
    PID:2368
    • C:\Users\Admin\AppData\Local\Temp\Dllhost.exe
      "C:\Users\Admin\AppData\Local\Temp\Dllhost.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      PID:544

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    43KB

    MD5

    b0313c9c6e8d88277fadfdec317f0570

    SHA1

    e5449108a374250c4b92a00ce8ae71d9d4b1aa86

    SHA256

    8dace129815dacb380a62aa39f6a4cc02f7ba630f1edf02f2cf8a92d8f00e97b

    SHA512

    8e84706d0dfc10117f32f956a2b3e3193dda76b61f97c83c0d10df6a4a08c3ef1a13c9121f23f20199b485e0321bf5a3f6e3786ac37e26dd9757600023d964c2

  • memory/544-17-0x0000000075310000-0x0000000075AC0000-memory.dmp

    Filesize

    7.7MB

  • memory/544-16-0x0000000075310000-0x0000000075AC0000-memory.dmp

    Filesize

    7.7MB

  • memory/544-18-0x00000000056E0000-0x00000000056EA000-memory.dmp

    Filesize

    40KB

  • memory/544-19-0x0000000075310000-0x0000000075AC0000-memory.dmp

    Filesize

    7.7MB

  • memory/544-20-0x0000000075310000-0x0000000075AC0000-memory.dmp

    Filesize

    7.7MB

  • memory/2368-2-0x0000000004C30000-0x0000000004CCC000-memory.dmp

    Filesize

    624KB

  • memory/2368-3-0x0000000005580000-0x0000000005B24000-memory.dmp

    Filesize

    5.6MB

  • memory/2368-4-0x0000000075310000-0x0000000075AC0000-memory.dmp

    Filesize

    7.7MB

  • memory/2368-5-0x0000000005070000-0x0000000005102000-memory.dmp

    Filesize

    584KB

  • memory/2368-1-0x0000000000240000-0x0000000000252000-memory.dmp

    Filesize

    72KB

  • memory/2368-15-0x0000000075310000-0x0000000075AC0000-memory.dmp

    Filesize

    7.7MB

  • memory/2368-0-0x000000007531E000-0x000000007531F000-memory.dmp

    Filesize

    4KB