Overview

overview

8

Static

static

8

bd3cf8dbf5...c9.exe

windows7-x64

bd3cf8dbf5...c9.exe

windows10-2004-x64

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General

  • Target

    bd3cf8dbf50c46c72d1b512d9a0185d8127e0e3a8735d93bf87fdf0a5843c7c9

  • Size

    17KB

  • Sample

    221201-w798tsca31

  • MD5

    1f54db8e2133f535609b3eda1db7d869

  • SHA1

    32a038fd9fc7acca9886e54c860949d0b3a93599

  • SHA256

    bd3cf8dbf50c46c72d1b512d9a0185d8127e0e3a8735d93bf87fdf0a5843c7c9

  • SHA512

    df62fe3f0c5178dc69b1db65c2ae8a5f062f5443e4cc2a26735a38d0ee38c38483add46ae2627d23d8a28b4fdabbbea792d6a1f785c949326e292f75db079d4b

  • SSDEEP

    384:/AhgmZnWs/FBSPGvBm/Qbw7gZTErM/JtnObH0/RtDlFjBsEu:/2gB7GpmaH/JQL0/rC

Score
8/10
bootkitpersistenceupx

Malware Config

Targets

    • Target

      bd3cf8dbf50c46c72d1b512d9a0185d8127e0e3a8735d93bf87fdf0a5843c7c9

    • Size

      17KB

    • MD5

      1f54db8e2133f535609b3eda1db7d869

    • SHA1

      32a038fd9fc7acca9886e54c860949d0b3a93599

    • SHA256

      bd3cf8dbf50c46c72d1b512d9a0185d8127e0e3a8735d93bf87fdf0a5843c7c9

    • SHA512

      df62fe3f0c5178dc69b1db65c2ae8a5f062f5443e4cc2a26735a38d0ee38c38483add46ae2627d23d8a28b4fdabbbea792d6a1f785c949326e292f75db079d4b

    • SSDEEP

      384:/AhgmZnWs/FBSPGvBm/Qbw7gZTErM/JtnObH0/RtDlFjBsEu:/2gB7GpmaH/JQL0/rC

    Score
    8/10
    bootkitpersistenceupx

    • Executes dropped EXE

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx

    • Deletes itself

    • Loads dropped DLL

    • Writes to the Master Boot Record (MBR)

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

      bootkitpersistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Bootkit

1
T1067

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks