General

  • Target

    16686f1e7563cc54a0d047a1033456f84d918f6f93f0bbca7cb440925f1eeb54

  • Size

    75KB

  • Sample

    240417-m9rptsee4z

  • MD5

    a7d63348cfe9b0dc9d3aaec28c76c8f0

  • SHA1

    1b993f554960286e90cfd7cedf4c457e1c46ff80

  • SHA256

    16686f1e7563cc54a0d047a1033456f84d918f6f93f0bbca7cb440925f1eeb54

  • SHA512

    3910836ccae023d562c66bfd754b0d1e3aadc4c1cbf57e96e8220c1de6534a529ec3630d595a7baba7c56ca503b6ce6d012b9c388b9f896f2a0a8be317ca5010

  • SSDEEP

    1536:XXkUaUdXCfRPMRkGWsrT/NGH1ba/KOjybwokzkHLVclN:XUUTNWPMRkGUH1baP+tkWBY

Malware Config

Extracted

Family

asyncrat

Version

Venom RAT + HVNC + Stealer + Grabber v6.0.3

Botnet

Default

Mutex

hoyqzolrquxmbnzaee

Attributes
  • delay

    1

  • install

    true

  • install_file

    system.exe

  • install_folder

    %AppData%

  • pastebin_config

    https://pastebin.com/raw/ckrnc4Uk

aes.plain

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

http://xcu.exgaming.click

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

http://xcu5.exgaming.click

Targets

    • Target

      16686f1e7563cc54a0d047a1033456f84d918f6f93f0bbca7cb440925f1eeb54

    • Size

      75KB

    • MD5

      a7d63348cfe9b0dc9d3aaec28c76c8f0

    • SHA1

      1b993f554960286e90cfd7cedf4c457e1c46ff80

    • SHA256

      16686f1e7563cc54a0d047a1033456f84d918f6f93f0bbca7cb440925f1eeb54

    • SHA512

      3910836ccae023d562c66bfd754b0d1e3aadc4c1cbf57e96e8220c1de6534a529ec3630d595a7baba7c56ca503b6ce6d012b9c388b9f896f2a0a8be317ca5010

    • SSDEEP

      1536:XXkUaUdXCfRPMRkGWsrT/NGH1ba/KOjybwokzkHLVclN:XUUTNWPMRkGUH1baP+tkWBY

    • AsyncRat

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

    • StormKitty

      StormKitty is an open source info stealer written in C#.

    • StormKitty payload

    • UAC bypass

    • Async RAT payload

    • Checks computer location settings

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

    • Executes dropped EXE

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses Microsoft Outlook profiles

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Checks whether UAC is enabled

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Looks up geolocation information via web service

      Uses a legitimate geolocation service to find the infected system's geolocation info.

MITRE ATT&CK Matrix ATT&CK v13

Execution

Scheduled Task/Job

1
T1053

Persistence

Scheduled Task/Job

1
T1053

Privilege Escalation

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Scheduled Task/Job

1
T1053

Defense Evasion

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Impair Defenses

1
T1562

Disable or Modify Tools

1
T1562.001

Modify Registry

2
T1112

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

4
T1012

System Information Discovery

4
T1082

Collection

Data from Local System

1
T1005

Email Collection

1
T1114

Command and Control

Web Service

1
T1102

Tasks