Overview

overview

10

Static

static

10

99e3e8a30f...c3.exe

windows7-x64

10

99e3e8a30f...c3.exe

windows10-2004-x64

8

Sharing

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General

  • Target

    99e3e8a30f946770b612f530e63f0448d4e0dc261d165918b09abd2dd67d08c3.exe

  • Size

    37KB

  • Sample

    241211-dj4f9stkaw

  • MD5

    67931560029cc67967f024e3c42c107a

  • SHA1

    fed599a8ee2a821e9f93109d1e660118ff3f0451

  • SHA256

    99e3e8a30f946770b612f530e63f0448d4e0dc261d165918b09abd2dd67d08c3

  • SHA512

    85a9a9735e3ba7693ee3d01b808929e48e0ca7d03762ef54a1024ae89238d992310a575fd5c429c62cb2030732dd25033c1ce71e0320c196fd755d62f1c47a96

  • SSDEEP

    384:GaiKMizdnjnBhFbJ8ycPzNX9Bwy25FrAF+rMRTyN/0L+EcoinblneHQM3epzXiNR:zignlLJfcPzNXt2zrM+rMRa8NuIVt

Score
10/10
njrathackeddiscoveryevasionpersistenceprivilege_escalationtrojan

Malware Config

Extracted

Family

njrat

Version

im523

Botnet

HacKed

C2

45.83.207.236:5552

Mutex

c932779fadb451b44351b10e6e56bf73

Attributes
  • reg_key

    c932779fadb451b44351b10e6e56bf73

  • splitter

    |'|'|

Targets

    • Target

      99e3e8a30f946770b612f530e63f0448d4e0dc261d165918b09abd2dd67d08c3.exe

    • Size

      37KB

    • MD5

      67931560029cc67967f024e3c42c107a

    • SHA1

      fed599a8ee2a821e9f93109d1e660118ff3f0451

    • SHA256

      99e3e8a30f946770b612f530e63f0448d4e0dc261d165918b09abd2dd67d08c3

    • SHA512

      85a9a9735e3ba7693ee3d01b808929e48e0ca7d03762ef54a1024ae89238d992310a575fd5c429c62cb2030732dd25033c1ce71e0320c196fd755d62f1c47a96

    • SSDEEP

      384:GaiKMizdnjnBhFbJ8ycPzNX9Bwy25FrAF+rMRTyN/0L+EcoinblneHQM3epzXiNR:zignlLJfcPzNXt2zrM+rMRa8NuIVt

    Score
    10/10
    njrathackeddiscoveryevasionpersistenceprivilege_escalationtrojan

    • Njrat family

      njrat

    • njRAT/Bladabindi

      Widely used RAT written in .NET.

      trojannjrat

    • Modifies Windows Firewall

      evasion

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Drops autorun.inf file

      Malware can abuse Windows Autorun to spread further via attached volumes.

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Replication Through Removable Media

1
T1091

Execution

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Defense Evasion

Impair Defenses

1
T1562

Disable or Modify System Firewall

1
T1562.004

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Replication Through Removable Media

1
T1091

Collection

Command and Control

Exfiltration

Impact

Tasks