Overview

overview

10

Static

static

1

b2aab26d36...b17.js

windows7-x64

3

b2aab26d36...b17.js

windows10-2004-x64

10

Sharing

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General

  • Target

    c9d2d5758ea0bc1c82bf466b68fad4ee.bin

  • Size

    1KB

  • Sample

    230324-cpkexadf4t

  • MD5

    5456a53d87fa7303377c08ebe279c454

  • SHA1

    3ed8cac6e92f15b89d3737ceed0363ef76cfa074

  • SHA256

    5414741fc98d932030d23617cd4baacc80b639684bb110729525f1055e75de82

  • SHA512

    aed9ba0c53040958928d17d3ee82d8330e37337ee8afae57a490d0f6714817c65ebf3d6c9096da484a601d1d820e8ae948383bc2d0557d1b161433e1fddb5f92

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

      b2aab26d36c289c0922a8cde64767571c9fec6daa765caee23a9b2c1fe7c0b17.js

    • Size

      120KB

    • MD5

      c9d2d5758ea0bc1c82bf466b68fad4ee

    • SHA1

      30daf976e08feb0ecbb6a10958d09a6e2da2bcf8

    • SHA256

      b2aab26d36c289c0922a8cde64767571c9fec6daa765caee23a9b2c1fe7c0b17

    • SHA512

      20f3509e7cb2ebf00e1bd0a91c4fab0981cf8b90cb088abde8da63b36f785471466503edd820acbc033fdc11832ae8e3af3d9d09257f1cd0ac19d28bc0bf983a

    • SSDEEP

      384:xXWXWXWXWXWXWXWXWXWXWXWXEXWXWXWXWXWXWXWXWXWXWXWX0XWXWXWXWXWXWXWZ:i/dNx

    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