Overview

overview

10

Static

static

10

PDF 0324.exe

windows7_x64

10

PDF 0324.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    8d81288e14060608e6376a3cfbd597c9b046d48352cb831e0a6cce03fee9a2b3

  • Size

    544KB

  • Sample

    220521-ph6qsafdc5

  • MD5

    cc719172235635f3dd90e49cfc6c6cce

  • SHA1

    da0f26edd4b2f3d468024d76e07e3842b7ebbd22

  • SHA256

    8d81288e14060608e6376a3cfbd597c9b046d48352cb831e0a6cce03fee9a2b3

  • SHA512

    607ac89daac8bfb8ec566f665ec4e24aaf077886142aeccd57aad130d26223fa3f52a8766d1a2b55903c7a2af3030e8d48e75d04506682331ad3f81f762efaa4

Score
10/10
asyncratnewjob1agilenetpersistencerat

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

newjob1

Mutex

AsyncMutex_6SI8OkPnk

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

  • pastebin_config

    https://pastebin.com/raw/eeJq8Ku6

aes.plain

Targets

    • Target

      PDF 0324.exe

    • Size

      483KB

    • MD5

      fe0d59b23aacdad709f375bdfdf9f14c

    • SHA1

      6427f34f2a272415f9dc741392011898fbe38e72

    • SHA256

      e163a54c8c3664887553b9a5e335a4dbb58b350634e6b204676bc63e454ba868

    • SHA512

      d643e0cb9ed8a0c474d657c6c54f77058fb0dc1ae4268d34e7d69db74e1a6046c63f905bf42b5ca9c1a4a3297325cea8a3d09de5d8c7a11ea35c28a56d4c9d4d

    Score
    10/10
    asyncratnewjob1agilenetpersistencerat

    • 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

    • Legitimate hosting services abused for malware hosting/C2

    • 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

2
T1112

Install Root Certificate

1
T1130

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Web Service

1
T1102

Impact

Tasks