Overview

overview

10

Static

static

1

f3d1176731...fb2.js

windows7-x64

3

f3d1176731...fb2.js

windows10-2004-x64

10

Sharing

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General

  • Target

    70fb61e4da384dc4bd69e0e3de5f0d03.bin

  • Size

    874B

  • Sample

    230324-b2c1xsdd8x

  • MD5

    1cda3c9baaa344b0b9bc57535fffbb3a

  • SHA1

    6a974baec43e850b270ab70c99e2437a85d6f783

  • SHA256

    fb0dba0f6cade86e8a3284696fe5cfe93f20ee30b63d67bcf7eb58aa9b72d1c1

  • SHA512

    9864eb76db02fa9ab357001ad45616a9bf59934ad44616edebb9227f58c4187e71a0f82a82d3077aac779f5fe999fe40ff206c91f98f90a952d7caf05dbdd954

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

      f3d11767312676ba55c151aa3e4b602abbe5b5181883b81fb9c29f178bb5bfb2.js

    • Size

      31KB

    • MD5

      70fb61e4da384dc4bd69e0e3de5f0d03

    • SHA1

      34d99b6d1bbad7896dcef64a22bd7a61ca70734f

    • SHA256

      f3d11767312676ba55c151aa3e4b602abbe5b5181883b81fb9c29f178bb5bfb2

    • SHA512

      4350a1f61e0214455cbbc7f89f621759cbad4d3aad0e73465180dfe3aceaa5d978703e6258b42ff3faec4f15de2ef8bec53d313b2bb028a28b53b1efe4d20b7c

    • SSDEEP

      96:taXaXaXaXaXaXaXaXaXaXaXaeGrGrGrGrGrGrGrGrGrGrGrBaXaXaXaXaXaXaXap:iGKTVaN

    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

    • 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

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks