General

  • Target

    dbb678e2a66e25f48621cbbfce539c0fe6533f0935238f7e7e2e86a5736c80e5

  • Size

    328KB

  • Sample

    221127-r62g3seg37

  • MD5

    2699986e741ba577ae2217661e60b0ba

  • SHA1

    66da102297cf31f2622341e2a178df6219c0e76c

  • SHA256

    dbb678e2a66e25f48621cbbfce539c0fe6533f0935238f7e7e2e86a5736c80e5

  • SHA512

    74e4f842c688638dde64a3963de326a0f6e7f29d3b4e62a6081fc293dbeccd9a37b9b208eee67680f12f8475ac2a2b3b0ae136275f59fb6bff51ba3ad45af48b

  • SSDEEP

    6144:byWOeLm+tkxoGQvT+W4+HMc+MEGRQ6saHSMf3z0AzbLUG50Tpm+MmvbWdlL0d5aU:bCemx0vN3HKGi6sYjJLUGGtedud5tr7

Malware Config

Targets

    • Target

      dbb678e2a66e25f48621cbbfce539c0fe6533f0935238f7e7e2e86a5736c80e5

    • Size

      328KB

    • MD5

      2699986e741ba577ae2217661e60b0ba

    • SHA1

      66da102297cf31f2622341e2a178df6219c0e76c

    • SHA256

      dbb678e2a66e25f48621cbbfce539c0fe6533f0935238f7e7e2e86a5736c80e5

    • SHA512

      74e4f842c688638dde64a3963de326a0f6e7f29d3b4e62a6081fc293dbeccd9a37b9b208eee67680f12f8475ac2a2b3b0ae136275f59fb6bff51ba3ad45af48b

    • SSDEEP

      6144:byWOeLm+tkxoGQvT+W4+HMc+MEGRQ6saHSMf3z0AzbLUG50Tpm+MmvbWdlL0d5aU:bCemx0vN3HKGi6sYjJLUGGtedud5tr7

    • Drops file in Drivers directory

    • Possible privilege escalation attempt

    • Sets service image path in registry

    • Deletes itself

    • Modifies file permissions

    • Installs/modifies Browser Helper Object

      BHOs are DLL modules which act as plugins for Internet Explorer.

    • Maps connected drives based on registry

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

    • Drops file in System32 directory

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Browser Extensions

1
T1176

Defense Evasion

Modify Registry

2
T1112

File Permissions Modification

1
T1222

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

1
T1082

Tasks