Overview

overview

10

Static

static

1

mWaWCBfTJo.JS.js

windows7-x64

3

mWaWCBfTJo.JS.js

windows10-2004-x64

10

Sharing

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General

  • Target

    mWaWCBfTJo.JS.js

  • Size

    83KB

  • Sample

    230323-ja882sgc21

  • MD5

    4d9ca283e6080bc1bb3e6817e8b27cda

  • SHA1

    1b79943f6755b21255c214915676eacc7f645ddb

  • SHA256

    d961c18d8817ad3cc2c414d3683eb9ba1dd1b0dd3d1578ca1eec353ad904a3f1

  • SHA512

    ad41c58e741e121072cbe83533ba6675702efc6b5a69968dfad8cfbbe246f8897e4d42888c4f7ce16826b87001900b40af44cde35cf4483e9d0f1be848395bdf

  • SSDEEP

    1536:ojjjjjjjjjjjdjjjjjjjjjjjVjjjjjjjjjjjNJjjjjjjjjjjj6jjjjjjjjjjjb+8:l

Score
10/10
asyncratcairopersistencerat

Malware Config

Extracted

Family

asyncrat

Version

| Edit 3LOSH RAT

Botnet

Cairo

C2

admincairo.linkpc.net:7707

Mutex

AsyncMutex_move

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      mWaWCBfTJo.JS.js

    • Size

      83KB

    • MD5

      4d9ca283e6080bc1bb3e6817e8b27cda

    • SHA1

      1b79943f6755b21255c214915676eacc7f645ddb

    • SHA256

      d961c18d8817ad3cc2c414d3683eb9ba1dd1b0dd3d1578ca1eec353ad904a3f1

    • SHA512

      ad41c58e741e121072cbe83533ba6675702efc6b5a69968dfad8cfbbe246f8897e4d42888c4f7ce16826b87001900b40af44cde35cf4483e9d0f1be848395bdf

    • SSDEEP

      1536:ojjjjjjjjjjjdjjjjjjjjjjjVjjjjjjjjjjjNJjjjjjjjjjjj6jjjjjjjjjjjb+8:l

    Score
    10/10
    asyncratcairopersistencerat

    • AsyncRat

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

      ratasyncrat

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • Async RAT payload

      rat

    • Blocklisted process makes network request

    • Checks computer location settings

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

    • Registers COM server for autorun

      persistence

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1
T1060

BITS Jobs

1
T1197

Privilege Escalation

Defense Evasion

BITS Jobs

1
T1197

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

5
T1012

System Information Discovery

5
T1082

Peripheral Device Discovery

1
T1120

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks