Overview

overview

10

Static

static

3

file.exe

windows7-x64

10

file.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    file.exe

  • Size

    307KB

  • Sample

    230601-skk4mseh95

  • MD5

    884714bd845895cbd4377d1ba6df376e

  • SHA1

    5a219cb01a10516eab59b2703d7bc4760fb5b5c0

  • SHA256

    5c85b25b5b4f277770b21a77796e7e1672eb046eabb76077c703a993e237a3a7

  • SHA512

    174a7585784d24e4424661a03fbcd4f4195ec9b0b36cf4e01ea7fe5f5c5d7cbed2a74cb3a030531045e57af0c7e07d53e44e7e9f3d888883ee37ea21f4da0674

  • SSDEEP

    6144:Y1s6ZKvncbumIED8Qyl/RUpfPMm9Fy5RiLwFdhLoZxybN:pcbuLQyDebTLIdhLexG

Score
10/10
asyncratdefaultpersistencerat

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

Default

C2

192.3.101.190:2015

Mutex

AsyncMutex_6SI8OkPnk

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      file.exe

    • Size

      307KB

    • MD5

      884714bd845895cbd4377d1ba6df376e

    • SHA1

      5a219cb01a10516eab59b2703d7bc4760fb5b5c0

    • SHA256

      5c85b25b5b4f277770b21a77796e7e1672eb046eabb76077c703a993e237a3a7

    • SHA512

      174a7585784d24e4424661a03fbcd4f4195ec9b0b36cf4e01ea7fe5f5c5d7cbed2a74cb3a030531045e57af0c7e07d53e44e7e9f3d888883ee37ea21f4da0674

    • SSDEEP

      6144:Y1s6ZKvncbumIED8Qyl/RUpfPMm9Fy5RiLwFdhLoZxybN:pcbuLQyDebTLIdhLexG

    Score
    10/10
    asyncratdefaultpersistencerat

    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers written in C#.

      ratasyncrat

    • Async RAT payload

      rat

    • Checks computer location settings

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

    • Executes dropped EXE

    • 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

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks