General

  • Target

    SecuriteInfo.com.Generic.mg.3d63c204511f1851.31197

  • Size

    1.3MB

  • Sample

    210121-rqsl1x8lfj

  • MD5

    3d63c204511f18510049d2fba3047d8d

  • SHA1

    64aac8da141a21ddb1a66616764f9e15eb6d565f

  • SHA256

    33cca7e1dc5f3871bdbaa2bd663671a8add0f46a6c56f5ff0b039e3cc0f41af5

  • SHA512

    67209b1dbd84ead09ed19003dcb1d6be0665214c23eda836d3607a520b2f1b9efbaeb79bb7ad4ef5c34efeef23fedde670bf51ff4552ef077e20257d28145eaa

Malware Config

Extracted

Family

remcos

C2

wedsazxcvfghyuiokjhbnvfcdsaweyplmhbvrtud.ydns.eu:1996

Targets

    • Target

      SecuriteInfo.com.Generic.mg.3d63c204511f1851.31197

    • Size

      1.3MB

    • MD5

      3d63c204511f18510049d2fba3047d8d

    • SHA1

      64aac8da141a21ddb1a66616764f9e15eb6d565f

    • SHA256

      33cca7e1dc5f3871bdbaa2bd663671a8add0f46a6c56f5ff0b039e3cc0f41af5

    • SHA512

      67209b1dbd84ead09ed19003dcb1d6be0665214c23eda836d3607a520b2f1b9efbaeb79bb7ad4ef5c34efeef23fedde670bf51ff4552ef077e20257d28145eaa

    • Remcos

      Remcos is a closed-source remote control and surveillance software.

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Enumerates physical storage devices

      Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Discovery

System Information Discovery

1
T1082

Tasks