Overview

overview

10

Static

static

3

1wwyaeeCYc.exe

windows7-x64

3

1wwyaeeCYc.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    1wwyaeeCYc.exe

  • Size

    96KB

  • Sample

    230601-g1g65sdd7t

  • MD5

    749fdef07e576ac40e42568780bd26bd

  • SHA1

    93d0094038126ec31a5f0a9251318cdfb163cade

  • SHA256

    a58ee92cdb05c92453c009c0792676ce815af1298cbbe9f36407d4933b8b942e

  • SHA512

    d7e97331ce90dffa4d3da967e35c5b03b8454e220d2104f54c0f476ae73d5de78917e8cb0fcdd2df1b251e584cab38fa5a339195e8dfc845201f8d19e5a2ffe2

  • SSDEEP

    1536:H0l3SSJshJixmFLZbIUfyVAEfUtweBXDMKrxWGHXKBJNfGtLF9pZO:9dhJVZbIUqVAbFDM0c7JNfAJ9pZO

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

      1wwyaeeCYc.exe

    • Size

      96KB

    • MD5

      749fdef07e576ac40e42568780bd26bd

    • SHA1

      93d0094038126ec31a5f0a9251318cdfb163cade

    • SHA256

      a58ee92cdb05c92453c009c0792676ce815af1298cbbe9f36407d4933b8b942e

    • SHA512

      d7e97331ce90dffa4d3da967e35c5b03b8454e220d2104f54c0f476ae73d5de78917e8cb0fcdd2df1b251e584cab38fa5a339195e8dfc845201f8d19e5a2ffe2

    • SSDEEP

      1536:H0l3SSJshJixmFLZbIUfyVAEfUtweBXDMKrxWGHXKBJNfGtLF9pZO:9dhJVZbIUqVAbFDM0c7JNfAJ9pZO

    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

    • 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