Overview

overview

10

Static

static

3

a2658a0198...cb.exe

windows7-x64

10

a2658a0198...cb.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    a2658a0198e68079523bf12805ca3804f4662dd6909b07b48c1cf47e73a162cb

  • Size

    115KB

  • Sample

    241203-a3t56axkbm

  • MD5

    6e969005cdd76dbd9d165152e7809863

  • SHA1

    9d61a85b63175b898fbdce93c75f779944864166

  • SHA256

    a2658a0198e68079523bf12805ca3804f4662dd6909b07b48c1cf47e73a162cb

  • SHA512

    333d8b8f95ee7f33635c4d99b7258730f5393cdd510a619c968c28404d3f7eb0e58ad2dcad76aa537b36c6e4e5c911252cbd13ec1b8aa98e68ad1fc455bd0257

  • SSDEEP

    1536:orp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4xtKegoxmOBh73R8fLl:w5eznsjsguGDFqGx8egoxmO3rR8Tl

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

      a2658a0198e68079523bf12805ca3804f4662dd6909b07b48c1cf47e73a162cb

    • Size

      115KB

    • MD5

      6e969005cdd76dbd9d165152e7809863

    • SHA1

      9d61a85b63175b898fbdce93c75f779944864166

    • SHA256

      a2658a0198e68079523bf12805ca3804f4662dd6909b07b48c1cf47e73a162cb

    • SHA512

      333d8b8f95ee7f33635c4d99b7258730f5393cdd510a619c968c28404d3f7eb0e58ad2dcad76aa537b36c6e4e5c911252cbd13ec1b8aa98e68ad1fc455bd0257

    • SSDEEP

      1536:orp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4xtKegoxmOBh73R8fLl:w5eznsjsguGDFqGx8egoxmO3rR8Tl

    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