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Overview

overview

10

Static

static

1

8f5af7de93...39.exe

windows7-x64

10

8f5af7de93...39.exe

windows10-2004-x64

10

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General

  • Target

    8f5af7de9311f740012603025b2065573ad23816ce5e728465a0d0f9553c4839.exe

  • Size

    121KB

  • Sample

    250208-blrjdaykgr

  • MD5

    48437ce3c8bab1b00a75bc774e6ca405

  • SHA1

    e774b8a1fe4be437d43ef7739030172e09ff3aef

  • SHA256

    8f5af7de9311f740012603025b2065573ad23816ce5e728465a0d0f9553c4839

  • SHA512

    457be992cce0674710d38b4e3103057e88988cfaed90d5e36d82ac42a03258cc618048545f6fe96bd8e594766485138c7d04220c32b7375e48ae86cf85ea35fd

  • SSDEEP

    1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDLVg8:P5eznsjsguGDFqGZ2rDL/

Score
10/10
njratneufdefense_evasiondiscoverypersistenceprivilege_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

      8f5af7de9311f740012603025b2065573ad23816ce5e728465a0d0f9553c4839.exe

    • Size

      121KB

    • MD5

      48437ce3c8bab1b00a75bc774e6ca405

    • SHA1

      e774b8a1fe4be437d43ef7739030172e09ff3aef

    • SHA256

      8f5af7de9311f740012603025b2065573ad23816ce5e728465a0d0f9553c4839

    • SHA512

      457be992cce0674710d38b4e3103057e88988cfaed90d5e36d82ac42a03258cc618048545f6fe96bd8e594766485138c7d04220c32b7375e48ae86cf85ea35fd

    • SSDEEP

      1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDLVg8:P5eznsjsguGDFqGZ2rDL/

    Score
    10/10
    njratneufdefense_evasiondiscoverypersistenceprivilege_escalationtrojan

    • Njrat family

      njrat

    • njRAT/Bladabindi

      Widely used RAT written in .NET.

      trojannjrat

    • Downloads MZ/PE file

    • Modifies Windows Firewall

      defense_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

System Network Configuration Discovery

1
T1016

Internet Connection Discovery

1
T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks