Overview

overview

10

Static

static

10

5DEBA3B3F7...2B.exe

windows7-x64

10

5DEBA3B3F7...2B.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    5DEBA3B3F7B4D814B066B0DED64E8F2B.exe

  • Size

    23KB

  • Sample

    240531-ep92nsee7x

  • MD5

    5deba3b3f7b4d814b066b0ded64e8f2b

  • SHA1

    fc39258768904173d713720e78f052d064072cdf

  • SHA256

    a7a0a639b202e4c1cdff0d1763320403adbeacd621006ebd228a9a736fd56beb

  • SHA512

    c9c24451a9255afae3a7f8e33d72af5a3060995902fe397967fe97b6e748e5a0e66278d6d303fdf616302ce3e2de389a12a744240f1e1d1dab19859a00834541

  • SSDEEP

    384:Kc68yCaUVIhboNgfEimfkNeayS06vg5UhcpxH7ndmRvR6JZlbw8hqIusZzZWX:Y873kgNfxaf6ARpcnur

Score
10/10
njratlammerevasionpersistencetrojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

Lammer

C2

tcp.ngrok.io:443

Mutex

d6444e9a3862bae350679ed05760fd64

Attributes
  • reg_key

    d6444e9a3862bae350679ed05760fd64

  • splitter

    |'|'|

Targets

    • Target

      5DEBA3B3F7B4D814B066B0DED64E8F2B.exe

    • Size

      23KB

    • MD5

      5deba3b3f7b4d814b066b0ded64e8f2b

    • SHA1

      fc39258768904173d713720e78f052d064072cdf

    • SHA256

      a7a0a639b202e4c1cdff0d1763320403adbeacd621006ebd228a9a736fd56beb

    • SHA512

      c9c24451a9255afae3a7f8e33d72af5a3060995902fe397967fe97b6e748e5a0e66278d6d303fdf616302ce3e2de389a12a744240f1e1d1dab19859a00834541

    • SSDEEP

      384:Kc68yCaUVIhboNgfEimfkNeayS06vg5UhcpxH7ndmRvR6JZlbw8hqIusZzZWX:Y873kgNfxaf6ARpcnur

    Score
    10/10
    njratlammerevasionpersistencetrojan

    • 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

    • Legitimate hosting services abused for malware hosting/C2

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

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

Lateral Movement

Collection

Exfiltration

Command and Control

Web Service

1
T1102

Impact

Resource Development

Reconnaissance

Tasks