Overview

overview

10

Static

static

2.exe

windows7-x64

8

2.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2.exe

  • Size

    5KB

  • Sample

    221224-ycdbqaae42

  • MD5

    8615a8a7fa0a063cd143c3d4f1252666

  • SHA1

    f664d4e086ccb6703e2aba9c3361373fe990b84c

  • SHA256

    65dd5fbc588a39cc22d91923a4fbe3f3fca6fc964506470c6551f16ed89e3df2

  • SHA512

    3a60a30bcc5b3de4d5342854ebed586e572b309185125efefba684c5451b482a822ca7e01d9640b7665b8ff2fb0ce7eb84f86b02b62833b01bdbd59fa875d5b2

  • SSDEEP

    96:2OZZ79nSCFmOO0TUq8oftOENtUqXo8zntvngd3oj/rl:2Mp9nZFZnUq8okENtUqXLhgdE

Score
10/10
asyncratsystem guard runtimepersistencerat

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

System Guard Runtime

C2

85.105.88.221:2531

Mutex

System Guard Runtime

Attributes
  • delay

    3

  • install

    false

  • install_file

    System Guard Runtime

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      2.exe

    • Size

      5KB

    • MD5

      8615a8a7fa0a063cd143c3d4f1252666

    • SHA1

      f664d4e086ccb6703e2aba9c3361373fe990b84c

    • SHA256

      65dd5fbc588a39cc22d91923a4fbe3f3fca6fc964506470c6551f16ed89e3df2

    • SHA512

      3a60a30bcc5b3de4d5342854ebed586e572b309185125efefba684c5451b482a822ca7e01d9640b7665b8ff2fb0ce7eb84f86b02b62833b01bdbd59fa875d5b2

    • SSDEEP

      96:2OZZ79nSCFmOO0TUq8oftOENtUqXo8zntvngd3oj/rl:2Mp9nZFZnUq8okENtUqXLhgdE

    Score
    10/10
    asyncratsystem guard runtimepersistencerat

    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers.

      ratasyncrat

    • Async RAT payload

      rat

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Checks computer location settings

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

    • 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

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks