Overview

overview

10

Static

static

charters d...df.vbs

windows7_x64

1

charters d...df.vbs

windows10-2004_x64

10

Sharing

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General

  • Target

    charters details.pdf.vbs

  • Size

    749B

  • Sample

    220119-wdqx4acadk

  • MD5

    e16c8a204a76ec2ca481bdfcc90d4fc2

  • SHA1

    f1ec56e72c644a587af18cad25459f9b6426be75

  • SHA256

    ebd7809cacae62bc94dfb8077868f53d53beb0614766213d48f4385ed09c73a6

  • SHA512

    9ee20bdcaafe0a5a2d3c5c24bd56aa27c2b0861efe2f7b729763bb978e6552baf92eb544f2491a90ae9cdc31760bd0d0e8d834aed4b2b76863467a52daf6100b

Score
10/10
asyncratdefaultpersistenceratsuricata

Malware Config

Extracted

Family

asyncrat

Version

1.0.7

Botnet

Default

C2

tq744.publicvm.com:1846

Mutex

DcRatMutex_qwqdanchun

Attributes
  • anti_vm

    false

  • bsod

    false

  • delay

    1

  • install

    false

  • install_folder

    %AppData%

  • pastebin_config

    null

aes.plain

Targets

    • Target

      charters details.pdf.vbs

    • Size

      749B

    • MD5

      e16c8a204a76ec2ca481bdfcc90d4fc2

    • SHA1

      f1ec56e72c644a587af18cad25459f9b6426be75

    • SHA256

      ebd7809cacae62bc94dfb8077868f53d53beb0614766213d48f4385ed09c73a6

    • SHA512

      9ee20bdcaafe0a5a2d3c5c24bd56aa27c2b0861efe2f7b729763bb978e6552baf92eb544f2491a90ae9cdc31760bd0d0e8d834aed4b2b76863467a52daf6100b

    Score
    10/10
    asyncratdefaultpersistenceratsuricata

    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers.

      ratasyncrat

    • Registers COM server for autorun

      persistence

    • suricata: ET MALWARE Observed Malicious SSL Cert (AsyncRAT)

      suricata: ET MALWARE Observed Malicious SSL Cert (AsyncRAT)

      suricata

    • Async RAT payload

      rat

    • Blocklisted process makes network request

    • Executes dropped EXE

    • Sets file execution options in registry

      persistence

    • Checks computer location settings

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

    • Drops startup file

    • Loads dropped DLL

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • 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

2
T1060

Privilege Escalation

Defense Evasion

Modify Registry

2
T1112

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks