Overview

overview

10

Static

static

3

9c4a8754b3...6N.exe

windows7-x64

10

9c4a8754b3...6N.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    9c4a8754b33ce64ac8b9ad46c87eb992242a60342a58f6ff7f630b5916eadb26N.exe

  • Size

    114KB

  • Sample

    241221-2mybessnhn

  • MD5

    a70e9a0b6e54cdba31723ff0bb7f1050

  • SHA1

    861f0d312565f193d018fad53bfd309afc13800a

  • SHA256

    9c4a8754b33ce64ac8b9ad46c87eb992242a60342a58f6ff7f630b5916eadb26

  • SHA512

    fb08d3ba54ada5b588e2db6f35ce0d3001cc18f6782726149d5108f243bca4a172e5304ba8e801b57c150984c5f73cf169e8e3cfccf1c2f516b13db38f32b9ba

  • SSDEEP

    1536:orp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4xtKegoxmOBh73vdb:w5eznsjsguGDFqGx8egoxmO3rvp

Score
10/10
njratneufdiscoveryevasionpersistenceprivilege_escalationtrojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

neuf

C2

doddyfire.linkpc.net:10000

Mutex

e1a87040f2026369a233f9ae76301b7b

Attributes
  • reg_key

    e1a87040f2026369a233f9ae76301b7b

  • splitter

    |'|'|

Targets

    • Target

      9c4a8754b33ce64ac8b9ad46c87eb992242a60342a58f6ff7f630b5916eadb26N.exe

    • Size

      114KB

    • MD5

      a70e9a0b6e54cdba31723ff0bb7f1050

    • SHA1

      861f0d312565f193d018fad53bfd309afc13800a

    • SHA256

      9c4a8754b33ce64ac8b9ad46c87eb992242a60342a58f6ff7f630b5916eadb26

    • SHA512

      fb08d3ba54ada5b588e2db6f35ce0d3001cc18f6782726149d5108f243bca4a172e5304ba8e801b57c150984c5f73cf169e8e3cfccf1c2f516b13db38f32b9ba

    • SSDEEP

      1536:orp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4xtKegoxmOBh73vdb:w5eznsjsguGDFqGx8egoxmO3rvp

    Score
    10/10
    njratneufdiscoveryevasionpersistenceprivilege_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.

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    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