Overview

overview

10

Static

static

10

Accountbringer.exe

windows7-x64

10

Accountbringer.exe

windows10-2004-x64

8

Sharing

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General

  • Target

    Accountbringer.exe

  • Size

    37KB

  • Sample

    241123-z26v1atjcl

  • MD5

    fc04578c59cd41466d533cbcd7157282

  • SHA1

    201be3e8474ca4bfe58fd5761ea62c42645d7fd0

  • SHA256

    611fe530fb6e67415f6a5ed53e1961180fcb89bb1caab4fed64feab511a89813

  • SHA512

    6c661d6c05e7729a1f4abd869b2e5b24cf2b0393f65d6e36c3f7c34502dd02f91b414cc08809a12209d7decd8a2250939f4f1ba7430e472e515a4f7816340f2b

  • SSDEEP

    768:fb3MDF3lFdS7IVW5maePrM+rMRa8Nuv/t:fb6F3lPSUVW5oQ+gRJNE

Score
10/10
njratboykisserdiscoveryevasionpersistenceprivilege_escalationtrojan

Malware Config

Extracted

Family

njrat

Version

im523

Botnet

boykisser

C2

eg-womens.gl.at.ply.gg:7999

Mutex

2be7fcfaf2fb2c0121ad0a1c26b16a25

Attributes
  • reg_key

    2be7fcfaf2fb2c0121ad0a1c26b16a25

  • splitter

    |'|'|

Targets

    • Target

      Accountbringer.exe

    • Size

      37KB

    • MD5

      fc04578c59cd41466d533cbcd7157282

    • SHA1

      201be3e8474ca4bfe58fd5761ea62c42645d7fd0

    • SHA256

      611fe530fb6e67415f6a5ed53e1961180fcb89bb1caab4fed64feab511a89813

    • SHA512

      6c661d6c05e7729a1f4abd869b2e5b24cf2b0393f65d6e36c3f7c34502dd02f91b414cc08809a12209d7decd8a2250939f4f1ba7430e472e515a4f7816340f2b

    • SSDEEP

      768:fb3MDF3lFdS7IVW5maePrM+rMRa8Nuv/t:fb6F3lPSUVW5oQ+gRJNE

    Score
    10/10
    njratboykisserdiscoveryevasionpersistenceprivilege_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

    • Drops autorun.inf file

      Malware can abuse Windows Autorun to spread further via attached volumes.

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Replication Through Removable Media

1
T1091

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

Replication Through Removable Media

1
T1091

Collection

Command and Control

Exfiltration

Impact

Tasks