Overview

overview

10

Static

static

10

eedbd3dacf...5N.exe

windows7-x64

10

eedbd3dacf...5N.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    eedbd3dacf55cd7cb9a367cfc67ad1bffe94094291397cb689ace2f76c7098f5N.exe

  • Size

    23KB

  • Sample

    241203-ecfbjaylg1

  • MD5

    d6fd585252e2b0938f6d90fce1b86010

  • SHA1

    3c0db4b328a79f97b439739e87fcf87ba7fd6fd3

  • SHA256

    eedbd3dacf55cd7cb9a367cfc67ad1bffe94094291397cb689ace2f76c7098f5

  • SHA512

    432c8d4bca1c499e14b3ff8a0abb886861dd3f7664137c56b355f6134da791e12c365978ed0c1fe42f1cd921b67fe88f5d08a8059cb5063dbcded19a68df6615

  • SSDEEP

    384:y8aY1ia0N/IH+WUiWiLcXyUTly2Rc87po6ngB8W+tqlf5mRvR6JZlbw8hqIusZzX:31Re/E+WUiW6ci6NR7tZRpcnuW

Score
10/10
njratyosef discoveryevasionpersistenceprivilege_escalationtrojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

yOSEF

C2

z24545451383mcvodn.hopto.org:1177

Mutex

43e69094d76b8f4516f8f345104212b2

Attributes
  • reg_key

    43e69094d76b8f4516f8f345104212b2

  • splitter

    |'|'|

Targets

    • Target

      eedbd3dacf55cd7cb9a367cfc67ad1bffe94094291397cb689ace2f76c7098f5N.exe

    • Size

      23KB

    • MD5

      d6fd585252e2b0938f6d90fce1b86010

    • SHA1

      3c0db4b328a79f97b439739e87fcf87ba7fd6fd3

    • SHA256

      eedbd3dacf55cd7cb9a367cfc67ad1bffe94094291397cb689ace2f76c7098f5

    • SHA512

      432c8d4bca1c499e14b3ff8a0abb886861dd3f7664137c56b355f6134da791e12c365978ed0c1fe42f1cd921b67fe88f5d08a8059cb5063dbcded19a68df6615

    • SSDEEP

      384:y8aY1ia0N/IH+WUiWiLcXyUTly2Rc87po6ngB8W+tqlf5mRvR6JZlbw8hqIusZzX:31Re/E+WUiW6ci6NR7tZRpcnuW

    Score
    10/10
    njratyosef discoveryevasionpersistenceprivilege_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.

    • 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