General

  • Target

    Phoenix.exe

  • Size

    415KB

  • Sample

    230402-afmgssde95

  • MD5

    2807ce367d65d1d80ea563097d7a7a23

  • SHA1

    650bdea392dac369a877bbd032c82ff175fe69a6

  • SHA256

    a8ebc2f5c78093046ccdc96ed499b3bd263e95b53747ccec408858af6805bf82

  • SHA512

    17612c7d624f18b7d9126a9938b13490a13196a804286f45f3dfd497ce89ebde707e55670e5571650bd6d72db8deb45d5994e1fd1a6aaaf0c2e5ef76ed669a72

  • SSDEEP

    6144:rDTojL6Ed0YXwBx1X2gTiPHqAZ/exrdKV2:rDToXd0YOX2aQYxRKV2

Malware Config

Targets

    • Target

      Phoenix.exe

    • Size

      415KB

    • MD5

      2807ce367d65d1d80ea563097d7a7a23

    • SHA1

      650bdea392dac369a877bbd032c82ff175fe69a6

    • SHA256

      a8ebc2f5c78093046ccdc96ed499b3bd263e95b53747ccec408858af6805bf82

    • SHA512

      17612c7d624f18b7d9126a9938b13490a13196a804286f45f3dfd497ce89ebde707e55670e5571650bd6d72db8deb45d5994e1fd1a6aaaf0c2e5ef76ed669a72

    • SSDEEP

      6144:rDTojL6Ed0YXwBx1X2gTiPHqAZ/exrdKV2:rDToXd0YOX2aQYxRKV2

    • Disables Task Manager via registry modification

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Enumerates connected drives

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

    • Legitimate hosting services abused for malware hosting/C2

    • Writes to the Master Boot Record (MBR)

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

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Bootkit

1
T1067

Defense Evasion

Modify Registry

2
T1112

Discovery

Query Registry

4
T1012

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Command and Control

Web Service

1
T1102

Tasks