Overview

overview

10

Static

static

10

a0a3bc0722...0f.exe

windows7_x64

10

a0a3bc0722...0f.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    a0a3bc07227d7169a697f3aff430ff62af3d856802551fc0d63c1e0e1e45820f

  • Size

    592KB

  • Sample

    220524-d7kztsedf4

  • MD5

    cb6e4575662be7979855943c528f8dcb

  • SHA1

    3117b905dead7a714ca0d8edd2a643e1a3dffda9

  • SHA256

    a0a3bc07227d7169a697f3aff430ff62af3d856802551fc0d63c1e0e1e45820f

  • SHA512

    fe7b591a06f68598bd1e7f18d66c7de4400d261acb8ee141db675116b08bb197de7520764ddeb01e9bc60618e5daeefe31c60cfdb124bb060a61a5d3f3909b00

Score
10/10
limeratneshtanjrathackedagilenetevasionpersistenceratspywaretrojan

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

http://chopa.mywire.org/f.jpg

Extracted

Family

limerat

Wallets

1JBKLGyE6AnRGvk92A8x3m8qmXfh3fcEty

Attributes
  • aes_key

    nulled

  • antivm

    true

  • c2_url

    https://pastebin.com/raw/cXuQ0V20

  • delay

    33

  • download_payload

    false

  • install

    true

  • install_name

    Monitor.exe

  • main_folder

    AppData

  • pin_spread

    false

  • sub_folder

    \

  • usb_spread

    true

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

81.61.77.92:5553

Mutex

c34d2dcb6f6ef032823fc192432ddb99

Attributes
  • reg_key

    c34d2dcb6f6ef032823fc192432ddb99

  • splitter

    |'|'|

Targets

    • Target

      a0a3bc07227d7169a697f3aff430ff62af3d856802551fc0d63c1e0e1e45820f

    • Size

      592KB

    • MD5

      cb6e4575662be7979855943c528f8dcb

    • SHA1

      3117b905dead7a714ca0d8edd2a643e1a3dffda9

    • SHA256

      a0a3bc07227d7169a697f3aff430ff62af3d856802551fc0d63c1e0e1e45820f

    • SHA512

      fe7b591a06f68598bd1e7f18d66c7de4400d261acb8ee141db675116b08bb197de7520764ddeb01e9bc60618e5daeefe31c60cfdb124bb060a61a5d3f3909b00

    Score
    10/10
    limeratneshtanjrathackedagilenetevasionpersistenceratspywaretrojan

    • Detect Neshta Payload

    • LimeRAT

      Simple yet powerful RAT for Windows machines written in .NET.

      ratlimerat

    • Modifies system executable filetype association

      persistence

    • Neshta

      Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

      persistencespywareneshta

    • njRAT/Bladabindi

      Widely used RAT written in .NET.

      trojannjrat

    • Executes dropped EXE

    • Modifies Windows Firewall

      evasion

    • Checks computer location settings

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

    • Loads dropped DLL

    • Obfuscated with Agile.Net obfuscator

      Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

      agilenet

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1
T1053

Persistence

Change Default File Association

1
T1042

Modify Existing Service

1
T1031

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Web Service

1
T1102

Impact

Tasks