Overview

overview

10

Static

static

IAENMAIL-A...df.exe

windows7_x64

10

IAENMAIL-A...df.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    IAENMAIL-A4-220222-0830-0005036_pdf.exe

  • Size

    434KB

  • Sample

    220630-pc573aahgj

  • MD5

    06e90589f099b727eec8a57c4e615829

  • SHA1

    177e2f01523e21cc04d706612c77b46777f94385

  • SHA256

    f7ce2f6751da145abff4415992bfe92c64aec5e0156aca5c3def5e37806fce23

  • SHA512

    14b13432019a55df4500c114930e6d9802fd19f3db68de98fa2f600196ccc639b2431b2f8c855b537c226dc7e2e00269f5c8260a0b1e3ec67f71331a0bd4b321

Score
10/10
njrathackedpersistencesuricatatrojan

Malware Config

Extracted

Family

njrat

Version

v4.0

Botnet

HacKed

C2

104.255.168.159:5200

Mutex

Windows

Attributes
  • reg_key

    Windows

  • splitter

    |-F-|

Targets

    • Target

      IAENMAIL-A4-220222-0830-0005036_pdf.exe

    • Size

      434KB

    • MD5

      06e90589f099b727eec8a57c4e615829

    • SHA1

      177e2f01523e21cc04d706612c77b46777f94385

    • SHA256

      f7ce2f6751da145abff4415992bfe92c64aec5e0156aca5c3def5e37806fce23

    • SHA512

      14b13432019a55df4500c114930e6d9802fd19f3db68de98fa2f600196ccc639b2431b2f8c855b537c226dc7e2e00269f5c8260a0b1e3ec67f71331a0bd4b321

    Score
    10/10
    njrathackedpersistencesuricatatrojan

    • njRAT/Bladabindi

      Widely used RAT written in .NET.

      trojannjrat

    • suricata: ET MALWARE Generic njRAT/Bladabindi CnC Activity (ll)

      suricata: ET MALWARE Generic njRAT/Bladabindi CnC Activity (ll)

      suricata

    • Executes dropped EXE

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Drops startup file

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1
T1060

Hidden Files and Directories

1
T1158

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

Hidden Files and Directories

1
T1158

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks