Overview

overview

10

Static

static

10

PO_45_13.scr

windows7_x64

10

PO_45_13.scr

windows10-2004_x64

10

Sharing

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General

  • Target

    a25384a50bece6cefbc853d787d65ab8688bca6d30da116fe16e6b1a3f6095eb

  • Size

    1.2MB

  • Sample

    220521-phd1rsfcg4

  • MD5

    8912bc744f7dcea9e2defff02a15ca24

  • SHA1

    a26dae9e5b5e71ccb5321e28b07ae63bc2ee62ab

  • SHA256

    a25384a50bece6cefbc853d787d65ab8688bca6d30da116fe16e6b1a3f6095eb

  • SHA512

    eb510bf65b60c3326834cb370e9a2a1de5e7847069a0f8043af63ffa62230d3d08870969c3a7512cc834a0cf9e93ffc8db5cd6606551cb0e3f47df49c63a723b

Score
10/10
asyncratdefaultagilenetpersistencerat

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

Default

C2

206.123.129.103:5456

Mutex

AsyncMutex_6SI8OkPnk

Attributes
  • delay

    3

  • install

    false

  • install_file

    windows.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      PO_45_13.SCR

    • Size

      479KB

    • MD5

      50c3085963b5fdc5a9c00d10d1b4f960

    • SHA1

      6529e11136560ad369d1b443a6e60f4e1f85c71e

    • SHA256

      2c8c5c5e5990da4a2af218cfece6afda3f4830be6605b9767adbfbde2e5cd276

    • SHA512

      36318d8dd2f4cd844fd8e1c47356d98c2af9df85646009b8d1cce97de834740f703a1770ed8770261c42cfe52eda5f52a43a7379f577754c1ea2ec723afbe837

    Score
    10/10
    asyncratdefaultagilenetpersistencerat

    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers.

      ratasyncrat

    • Async RAT payload

      rat

    • Executes dropped EXE

    • Checks computer location settings

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

    • Loads dropped DLL

    • Obfuscated with Agile.Net obfuscator

      Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

      agilenet

    • 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