Overview

overview

10

Static

static

1

Inv#0UKSA.vbs

windows7-x64

3

Inv#0UKSA.vbs

windows10-2004-x64

10

Sharing

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General

  • Target

    11012024_1641_Inv#0UKSA.zip

  • Size

    12KB

  • Sample

    240111-klfasadea4

  • MD5

    46db45dc04368584f76850bf1b1adf3a

  • SHA1

    e1259e94773017fe4fad6d09a90883aa00a511f9

  • SHA256

    bc66115538fa11a42692f96f4c80b68cb82fc7c1f4903892965fd6430ed7ae4d

  • SHA512

    230e3677e59a9e3fe5fd71ca3a56f3af8eff960e99c09c2b8544a3b5f7f3a49a687fcdcc6a4d1a51337eb6fed8e71fdbb2cce210046089a430cfbcf87c7b3464

  • SSDEEP

    192:cfw1X7B55Y7DT1vYAnMszj+5qZ4dGGWf2Ufc2XD9J00Ze+JuZCBGEyCoHyD:FXlanKAMO+5q2dGDf9N9OeJylE

Score
10/10
asyncratguloadervenom clientsdownloaderpersistencerat

Malware Config

Extracted

Family

asyncrat

Version

5.0.5

Botnet

Venom Clients

C2

jossmaybs.duckdns.org:8890

Mutex

Venom_RAT_HVNC_Mutex_Venom RAT_HVNC

Attributes
  • delay

    1

  • install

    false

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      Inv#0UKSA.vbs

    • Size

      28KB

    • MD5

      2303f521d758fac012e514be08566f56

    • SHA1

      f6a8c4556aadef5cb658f48c3e1d41ca33afb354

    • SHA256

      a0cda8f97dc4931e609d65959e559f980bc1fdefaed7e89b81971a9e7354f782

    • SHA512

      d4141ec8727faa3786e42c2d7d90a16926cbad915736a82291164cbb00e3d3ea1773da448c016a8e957a855dcc479124132a79b4d430a1af674a655d1ea622e9

    • SSDEEP

      384:CKov6nfBRWJvv2ADlTI3669/K+dFPTFj2Dq7pfjEX6Q8AtUnkQq/f0cV:CzvMsJXvlT29yIFKDqtjEK7o7PV

    Score
    10/10
    asyncratguloadervenom clientsdownloaderpersistencerat

    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers written in C#.

      ratasyncrat

    • Guloader,Cloudeye

      A shellcode based downloader first seen in 2020.

      downloaderguloader

    • Async RAT payload

      rat

    • Checks computer location settings

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

    • Adds Run key to start application

      persistence

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

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

Resource Development

Reconnaissance

Tasks