Overview

overview

10

Static

static

chris-server.ps1

windows7-x64

10

chris-server.ps1

windows10-2004-x64

10

Sharing

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General

  • Target

    chris-server.ps1

  • Size

    255KB

  • Sample

    221013-xp45jaaadm

  • MD5

    7a82388b85eb4abac99ef658d7b0d1cf

  • SHA1

    45cef26f5d4397ea8155857520a11a141ba465e2

  • SHA256

    44b973071a7a8b22ab1a3defe1b2ec8028c39de957180e9a71e09b48c0d8a641

  • SHA512

    2a112f190f56d9d2aad7e3b68369e45c89650334561ce9b7eca37a24e4b81089282b1889e9f0df501ae6c9f4430b686ec6a9c46d140740d002c143520c6dd723

  • SSDEEP

    6144:wRQRmeIR/ENCsO8cruAw9GH8dIhpk/Gkk4DwS:SXY7kHhpckLS

Score
10/10
asyncratdefaultpersistencerat

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

Default

C2

107.173.63.199:5656

Mutex

Monster_Master72381936781263781

Attributes
  • delay

    3

  • install

    false

  • install_file

    Explorer.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      chris-server.ps1

    • Size

      255KB

    • MD5

      7a82388b85eb4abac99ef658d7b0d1cf

    • SHA1

      45cef26f5d4397ea8155857520a11a141ba465e2

    • SHA256

      44b973071a7a8b22ab1a3defe1b2ec8028c39de957180e9a71e09b48c0d8a641

    • SHA512

      2a112f190f56d9d2aad7e3b68369e45c89650334561ce9b7eca37a24e4b81089282b1889e9f0df501ae6c9f4430b686ec6a9c46d140740d002c143520c6dd723

    • SSDEEP

      6144:wRQRmeIR/ENCsO8cruAw9GH8dIhpk/Gkk4DwS:SXY7kHhpckLS

    Score
    10/10
    persistenceasyncratdefaultrat

    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers.

      ratasyncrat

    • Process spawned unexpected child process

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

    • Async RAT payload

      rat

    • Registers COM server for autorun

      persistence

    • Drops file in System32 directory

    • 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

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks