General

  • Target

    2cf3ef9b4b6aff5b4fa53dd9a61e77fd.exe

  • Size

    37KB

  • Sample

    220729-gnbhtsefh3

  • MD5

    2cf3ef9b4b6aff5b4fa53dd9a61e77fd

  • SHA1

    b19d77793f0410c6b8fb044e573ebbfa4e9ba6f1

  • SHA256

    faa2e37de4a92178dfcc4d7966f1482f32755963736a964568e6d855f054eefb

  • SHA512

    5a3233ca3e8dc3a886addd8acda04ca0337e1a43760a617dc690f1b3851ef684acf51132cd07e548e566dc9c170bdd5cad48182d2bc525b6f41e231f4e19ad02

Malware Config

Extracted

Family

njrat

Version

im523

Botnet

HacKed

C2

2.tcp.eu.ngrok.io:16632

Mutex

f635a65108320f6738abf7ac7c96edbf

Attributes
  • reg_key

    f635a65108320f6738abf7ac7c96edbf

  • splitter

    |'|'|

Targets

    • Target

      2cf3ef9b4b6aff5b4fa53dd9a61e77fd.exe

    • Size

      37KB

    • MD5

      2cf3ef9b4b6aff5b4fa53dd9a61e77fd

    • SHA1

      b19d77793f0410c6b8fb044e573ebbfa4e9ba6f1

    • SHA256

      faa2e37de4a92178dfcc4d7966f1482f32755963736a964568e6d855f054eefb

    • SHA512

      5a3233ca3e8dc3a886addd8acda04ca0337e1a43760a617dc690f1b3851ef684acf51132cd07e548e566dc9c170bdd5cad48182d2bc525b6f41e231f4e19ad02

    • njRAT/Bladabindi

      Widely used RAT written in .NET.

    • Executes dropped EXE

    • Modifies Windows Firewall

    • Checks computer location settings

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

    • Drops startup file

    • Loads dropped DLL

    • Adds Run key to start application

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Tasks