Overview

overview

10

Static

static

10

fbfea1db44...d8.exe

windows7-x64

10

fbfea1db44...d8.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    fbfea1db4497202597c91cfda1d44136e85ca74fbf780baab2f1b1520c724cd8.exe

  • Size

    23KB

  • Sample

    241001-r4tpfsyfpd

  • MD5

    3ff1c9a4374b6796cdd642efab97169f

  • SHA1

    8a7f3f69324b3dceb8e1aecae2dbf6fbe9f65693

  • SHA256

    fbfea1db4497202597c91cfda1d44136e85ca74fbf780baab2f1b1520c724cd8

  • SHA512

    804aa71e6b883973e7978e39d2724784c978ab1c1ec741fa2544968273cabd771907321f5918408880a0f15b38f1db9080889f27d6830c0853da8b5098654874

  • SSDEEP

    384:iluBPiZCMfdfSJrQbsLRGSIxYVL46pg/i8BD9BmRvR6JZlbw8hqIusZzZqZY:1OmhtIiRpcnulY

Score
10/10
njrat내따꽈리discoveryevasionpersistenceprivilege_escalationtrojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

내따꽈리

C2

asdgdcvxzcv.kro.kr:2222

Mutex

651deda00b27ab86d974483926aa2300

Attributes
  • reg_key

    651deda00b27ab86d974483926aa2300

  • splitter

    |'|'|

Targets

    • Target

      fbfea1db4497202597c91cfda1d44136e85ca74fbf780baab2f1b1520c724cd8.exe

    • Size

      23KB

    • MD5

      3ff1c9a4374b6796cdd642efab97169f

    • SHA1

      8a7f3f69324b3dceb8e1aecae2dbf6fbe9f65693

    • SHA256

      fbfea1db4497202597c91cfda1d44136e85ca74fbf780baab2f1b1520c724cd8

    • SHA512

      804aa71e6b883973e7978e39d2724784c978ab1c1ec741fa2544968273cabd771907321f5918408880a0f15b38f1db9080889f27d6830c0853da8b5098654874

    • SSDEEP

      384:iluBPiZCMfdfSJrQbsLRGSIxYVL46pg/i8BD9BmRvR6JZlbw8hqIusZzZqZY:1OmhtIiRpcnulY

    Score
    10/10
    njrat내따꽈리discoveryevasionpersistenceprivilege_escalationtrojan

    • 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
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

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

Collection

Command and Control

Exfiltration

Impact

Tasks