Overview

overview

10

Static

static

7

ab49fa5533...a6.exe

windows7-x64

10

ab49fa5533...a6.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    ab49fa5533b6feef736c2aae5ca53fa6

  • Size

    402KB

  • Sample

    240228-ht6rlaea23

  • MD5

    ab49fa5533b6feef736c2aae5ca53fa6

  • SHA1

    33b67c986a7d330aaffc9c8e06bd33bc8c94289c

  • SHA256

    7f9369f1714ee4ef8ac938151fdb3eb7b3032fc74207b6af624987fefac4c947

  • SHA512

    f8d07ea61c1baadafc4cc1e1177fc5d452bb028fcd29c29ed41effa27bb40267c43c862f47a1dd5fca6fd7a1cd7381f13c7319b8d44d59ddf74941c516a3ad9f

  • SSDEEP

    6144:wmaKVBGmE84IMNv55giU0pKiFYHxfx15RvOagakZBxkTN2gmeGcFnVQb/DAYbDge:hSmLAuEY71fviagATFmebVQDcYcq

Score
10/10
njratpdfevasionpersistencetrojanupx

Malware Config

Extracted

Family

njrat

Version

0.6.4

Botnet

pdf

C2

hhhmach.ddns.net:1177

Mutex

5cd8f17f4086744065eb0992a09e05a2

Attributes
  • reg_key

    5cd8f17f4086744065eb0992a09e05a2

  • splitter

    |'|'|

Targets

    • Target

      ab49fa5533b6feef736c2aae5ca53fa6

    • Size

      402KB

    • MD5

      ab49fa5533b6feef736c2aae5ca53fa6

    • SHA1

      33b67c986a7d330aaffc9c8e06bd33bc8c94289c

    • SHA256

      7f9369f1714ee4ef8ac938151fdb3eb7b3032fc74207b6af624987fefac4c947

    • SHA512

      f8d07ea61c1baadafc4cc1e1177fc5d452bb028fcd29c29ed41effa27bb40267c43c862f47a1dd5fca6fd7a1cd7381f13c7319b8d44d59ddf74941c516a3ad9f

    • SSDEEP

      6144:wmaKVBGmE84IMNv55giU0pKiFYHxfx15RvOagakZBxkTN2gmeGcFnVQb/DAYbDge:hSmLAuEY71fviagATFmebVQDcYcq

    Score
    10/10
    njratpdfevasionpersistencetrojanupx

    • 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

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx

    • Adds Run key to start application

      persistence
    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

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

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks