General

  • Target

    BootStrapper.exe

  • Size

    67.4MB

  • Sample

    241016-xp45jazhjk

  • MD5

    95c62117026468422cd0b06c6cfaac11

  • SHA1

    4693236ebe6f248b05227d9244dd0a230adf6bd7

  • SHA256

    1a09874f3ad3e32eebaebe0a3aff400a9f04d227c4112e54a9b07daff3450df4

  • SHA512

    d2cb06f9cfaa1d8904be9fb550002f6808f34b399112c3ac11930bd7c0f555de9833a59192858c2b2c155f6097b7fd70ba9f84aa12d30a48c3556e45bd35c3f2

  • SSDEEP

    393216:e4TPZVLWruiFVks+9j54GXvitZQLCO5SXDqQu58EISEhoIaE2FShABZDv25PPa2r:eKRVQxhu0P8Lq1LEvxOOx5St

Malware Config

Extracted

Family

asyncrat

Version

SuperBoo Rat v1.1

Botnet

Default

C2

week-dictionary.gl.at.ply.gg:12466

Mutex

SuperBoo_mtex_920393

Attributes
  • delay

    3

  • install

    true

  • install_file

    PowerShell.exe

  • install_folder

    %AppData%

aes.plain

Extracted

Family

xworm

Mutex

yNحكـX8ٍبAGLWِF6Jo2DiObلٍLZا3ا

Attributes
  • Install_directory

    %Port%

  • install_file

    MicrosoftEdgeUpdateTaskMachineUAC.exe

aes.plain

Targets

    • Target

      BootStrapper.exe

    • Size

      67.4MB

    • MD5

      95c62117026468422cd0b06c6cfaac11

    • SHA1

      4693236ebe6f248b05227d9244dd0a230adf6bd7

    • SHA256

      1a09874f3ad3e32eebaebe0a3aff400a9f04d227c4112e54a9b07daff3450df4

    • SHA512

      d2cb06f9cfaa1d8904be9fb550002f6808f34b399112c3ac11930bd7c0f555de9833a59192858c2b2c155f6097b7fd70ba9f84aa12d30a48c3556e45bd35c3f2

    • SSDEEP

      393216:e4TPZVLWruiFVks+9j54GXvitZQLCO5SXDqQu58EISEhoIaE2FShABZDv25PPa2r:eKRVQxhu0P8Lq1LEvxOOx5St

    • AsyncRat

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

    • Detect Xworm Payload

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Async RAT payload

    • Sets service image path in registry

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Indicator Removal: Clear Windows Event Logs

      Clear Windows Event Logs to hide the activity of an intrusion.

    • Enumerates connected drives

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

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks