Overview

overview

10

Static

static

corrected ...ent.js

windows7-x64

10

corrected ...ent.js

windows10-2004-x64

10

Sharing

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General

  • Target

    corrected the terms of payment.js

  • Size

    226KB

  • Sample

    230201-kcemwsed51

  • MD5

    280e79b75c74e2449baf87a246927342

  • SHA1

    5b5376e5c25f25d65ba2717908ca0f559a0f0446

  • SHA256

    3033956fcd540bc6d9f64fe4bce35b626deb627f7cc8394c19d1e3c07485ef61

  • SHA512

    a6eecca1695fd32ba91c58b028342d96731bb3e8f7641fba00cdceebdedd32e95555eda6cbc29711c5dcd437763129e080666bb037141356e162da5391a49061

  • SSDEEP

    6144:dKWuABY4W3vLv93KN4bwG0CehURoxNRHyM3:dKlIYu4UG7axWM3

Score
10/10
asyncratdefaultpersistenceratupx

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

Default

C2

87.237.165.133:6161

Mutex

AsyncMutex_6SI8OkPnk

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      corrected the terms of payment.js

    • Size

      226KB

    • MD5

      280e79b75c74e2449baf87a246927342

    • SHA1

      5b5376e5c25f25d65ba2717908ca0f559a0f0446

    • SHA256

      3033956fcd540bc6d9f64fe4bce35b626deb627f7cc8394c19d1e3c07485ef61

    • SHA512

      a6eecca1695fd32ba91c58b028342d96731bb3e8f7641fba00cdceebdedd32e95555eda6cbc29711c5dcd437763129e080666bb037141356e162da5391a49061

    • SSDEEP

      6144:dKWuABY4W3vLv93KN4bwG0CehURoxNRHyM3:dKlIYu4UG7axWM3

    Score
    10/10
    asyncratdefaultpersistenceratupx

    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers.

      ratasyncrat

    • Async RAT payload

      rat

    • Executes dropped EXE

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx

    • Checks computer location settings

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

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

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