Resubmissions

13-01-2025 00:12

250113-ahff9synck 8

15-08-2024 13:01

240815-p89v5asfla 10

General

  • Target

    Documents.zip

  • Size

    3.7MB

  • Sample

    240815-p89v5asfla

  • MD5

    80c42af0016b3b7c249feda15f4d2cc2

  • SHA1

    9cb356ad7d4a6b1157b0066466b6606218c5b5d1

  • SHA256

    d60c30dc0ac1933eb3a28a42b8c9aa8b381816d64217393adc2f06e3deddae39

  • SHA512

    98ace938565688472f0ef4e47a531d18eeed41025894c9a039c154c075344aaccb023aec40c7cc65b2ada8b3ad0d88ecb64bd0dbd0f304cea1f603fe0deca70a

  • SSDEEP

    49152:PO5JIDWgbuK+YLbRy2OnukNoEZok1zE+kGDR9OTVOUQZVv61hG0Byx/tEsF07J4z:25qBh+rB/1ow/OTVOUQ2+xVE04J0Nwz+

Malware Config

Extracted

Family

asyncrat

Version

true

Botnet

Link Skipper B

Mutex

RRAT_6SI8OkPnk

Attributes
  • delay

    3

  • install

    false

  • install_file

    powershell Add-MpPreference -ExclusionPath C:\

  • install_folder

    Explorer.exe

  • pastebin_config

    http://pastebin.com/raw/KKpnJShN

aes.plain

Targets

    • Target

      Documents.zip

    • Size

      3.7MB

    • MD5

      80c42af0016b3b7c249feda15f4d2cc2

    • SHA1

      9cb356ad7d4a6b1157b0066466b6606218c5b5d1

    • SHA256

      d60c30dc0ac1933eb3a28a42b8c9aa8b381816d64217393adc2f06e3deddae39

    • SHA512

      98ace938565688472f0ef4e47a531d18eeed41025894c9a039c154c075344aaccb023aec40c7cc65b2ada8b3ad0d88ecb64bd0dbd0f304cea1f603fe0deca70a

    • SSDEEP

      49152:PO5JIDWgbuK+YLbRy2OnukNoEZok1zE+kGDR9OTVOUQZVv61hG0Byx/tEsF07J4z:25qBh+rB/1ow/OTVOUQ2+xVE04J0Nwz+

    • AsyncRat

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

    • Async RAT payload

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Legitimate hosting services abused for malware hosting/C2

    • Mark of the Web detected: This indicates that the page was originally saved or cloned.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks