Overview

overview

10

Static

static

cf6719a943...62.exe

windows7-x64

10

cf6719a943...62.exe

windows10-2004-x64

8

Sharing

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General

  • Target

    cf6719a94332139284db1145dca0e8fc94a6e52a9ab9523d82628bdc3b4f5d62

  • Size

    593KB

  • Sample

    221203-e4gnnseb56

  • MD5

    67aca6a4e6a6bff00b3f6868671d443a

  • SHA1

    b4eeee56d52d4d64248b5cdbcc933f3eb5b4e371

  • SHA256

    cf6719a94332139284db1145dca0e8fc94a6e52a9ab9523d82628bdc3b4f5d62

  • SHA512

    beb96c2c06f54b5f1186ac0b5906717eb96760eaca9f265a35f0176dd77d845c5ad5beff5cc2d37f22243b7b5488371f20b3da6a16a3c233d34a9074232089aa

  • SSDEEP

    12288:VuBSP/amC/BJSpc/aaT9/gur79Yq63kfydqAKTE1qH:sA6/Bwy/aI/gK79YH0FAgxH

Score
10/10
bootkitevasionpersistenceupx

Malware Config

Targets

    • Target

      cf6719a94332139284db1145dca0e8fc94a6e52a9ab9523d82628bdc3b4f5d62

    • Size

      593KB

    • MD5

      67aca6a4e6a6bff00b3f6868671d443a

    • SHA1

      b4eeee56d52d4d64248b5cdbcc933f3eb5b4e371

    • SHA256

      cf6719a94332139284db1145dca0e8fc94a6e52a9ab9523d82628bdc3b4f5d62

    • SHA512

      beb96c2c06f54b5f1186ac0b5906717eb96760eaca9f265a35f0176dd77d845c5ad5beff5cc2d37f22243b7b5488371f20b3da6a16a3c233d34a9074232089aa

    • SSDEEP

      12288:VuBSP/amC/BJSpc/aaT9/gur79Yq63kfydqAKTE1qH:sA6/Bwy/aI/gK79YH0FAgxH

    Score
    10/10
    bootkitevasionpersistenceupx

    • Modifies visiblity of hidden/system files in Explorer

      evasion

    • Executes dropped EXE

    • UPX packed file

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

      upx

    • Deletes itself

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • 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

Hidden Files and Directories

1
T1158

Registry Run Keys / Startup Folder

1
T1060

Bootkit

1
T1067

Privilege Escalation

Defense Evasion

Hidden Files and Directories

1
T1158

Modify Registry

2
T1112

Credential Access

Discovery

System Information Discovery

1
T1082

Process Discovery

1
T1057

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks