Overview

overview

10

Static

static

10

1b32ce4cb4...3c.exe

windows7_x64

10

1b32ce4cb4...3c.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    1b32ce4cb4efc534e6716d1d52d7673c.exe

  • Size

    52KB

  • Sample

    220630-zlz3hsbbaq

  • MD5

    1b32ce4cb4efc534e6716d1d52d7673c

  • SHA1

    aaf37379f8a17661b197f0e2314ba7e29fcec069

  • SHA256

    046f0fdb5d6d0489e8a81c239f311c2a26e2ca18f5b58c4f4655e7ab1862e026

  • SHA512

    ccf0262da4e9242225ff943a3e145b65068589df863a89fa97581abeac04355e102187843f2d596b0f324ed795862000e9b6af841b194e7fd4ed72cfe164bf6b

Score
10/10
njratkirieshkaevasionpersistencesuricatatrojan

Malware Config

Extracted

Family

njrat

Version

im523

Botnet

Kirieshka

C2

4.tcp.eu.ngrok.io:17963

Mutex

7a59d0933f6f469cabe3a8b0b803e909

Attributes
  • reg_key

    7a59d0933f6f469cabe3a8b0b803e909

  • splitter

    |'|'|

Targets

    • Target

      1b32ce4cb4efc534e6716d1d52d7673c.exe

    • Size

      52KB

    • MD5

      1b32ce4cb4efc534e6716d1d52d7673c

    • SHA1

      aaf37379f8a17661b197f0e2314ba7e29fcec069

    • SHA256

      046f0fdb5d6d0489e8a81c239f311c2a26e2ca18f5b58c4f4655e7ab1862e026

    • SHA512

      ccf0262da4e9242225ff943a3e145b65068589df863a89fa97581abeac04355e102187843f2d596b0f324ed795862000e9b6af841b194e7fd4ed72cfe164bf6b

    Score
    10/10
    njratkirieshkaevasionpersistencesuricatatrojan

    • 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

    • Modifies Windows Firewall

      evasion

    • 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

    • Drops autorun.inf file

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

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Replication Through Removable Media

1
T1091

Execution

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Replication Through Removable Media

1
T1091

Collection

Exfiltration

Command and Control

Impact

Tasks