General

  • Target

    The Blackout.docx

  • Size

    290KB

  • Sample

    230201-z7jbwsec2z

  • MD5

    201153e622f00eef93b0b84985c5d99a

  • SHA1

    22b84ff283d053d658abb69fc8d5967bbfd965f7

  • SHA256

    1abe116b10d8e85ef225d498cfe63bcc438e2e01e736677063c1b44c0dcabeca

  • SHA512

    6ca4cf3bd08b63d26ddbf81d54c6abcb6fcadd3a8560ce6a18e90e873b09d6f5dc6fea8a35853646936c20bb12caf15beaab79f07a6751a2704f7a94516dee3d

  • SSDEEP

    6144:2nNkfRbZIbHGSkHdexpqUwmAfYYVTOU1Kb2/QDS6ah07Ms1mxD:2nARyNuUdwmAfYYVycK6/QhAsMl

Malware Config

Targets

    • Target

      The Blackout.docx

    • Size

      290KB

    • MD5

      201153e622f00eef93b0b84985c5d99a

    • SHA1

      22b84ff283d053d658abb69fc8d5967bbfd965f7

    • SHA256

      1abe116b10d8e85ef225d498cfe63bcc438e2e01e736677063c1b44c0dcabeca

    • SHA512

      6ca4cf3bd08b63d26ddbf81d54c6abcb6fcadd3a8560ce6a18e90e873b09d6f5dc6fea8a35853646936c20bb12caf15beaab79f07a6751a2704f7a94516dee3d

    • SSDEEP

      6144:2nNkfRbZIbHGSkHdexpqUwmAfYYVTOU1Kb2/QDS6ah07Ms1mxD:2nARyNuUdwmAfYYVycK6/QhAsMl

    • Zloader, Terdot, DELoader, ZeusSphinx

      Zloader is a malware strain that was initially discovered back in August 2015.

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Modifies Installed Components in the registry

    • Checks computer location settings

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

    • Loads dropped DLL

    • Checks installed software on the system

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

    • Checks whether UAC is enabled

    • 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.

    • Detected potential entity reuse from brand microsoft.

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Bootkit

1
T1067

Defense Evasion

Modify Registry

3
T1112

Install Root Certificate

1
T1130

Discovery

Query Registry

6
T1012

System Information Discovery

7
T1082

Peripheral Device Discovery

2
T1120

Tasks