General

  • Target

    e358e8a7ecb074a9d1f15fd3ee12397b1c0fd171fe5ebe7926bfb934c36ecbae

  • Size

    328KB

  • Sample

    221028-317bxsdbhn

  • MD5

    0bc2b22e86a771b76f8c00af483cf750

  • SHA1

    b13e4c0a59d71eaf5ebc9ae04abfe79a501679a2

  • SHA256

    e358e8a7ecb074a9d1f15fd3ee12397b1c0fd171fe5ebe7926bfb934c36ecbae

  • SHA512

    b5a98041e3c6e61cb4001b7b35c6decbedb33dc723d0cfc402a91b9d55722dacaee243b089b3a2a41819799d0ac11fa65a591105149a9044afa9355876e8b7ea

  • SSDEEP

    6144:7yWOeLm+tkxoGQvT+W4+HMc+MEGRQ6saHSMf3z0AzbLUG50Tpm+MmvbWdlL0d5aU:7Cemx0vN3HKGi6sYjJLUGGtedud5tr7

Malware Config

Targets

    • Target

      e358e8a7ecb074a9d1f15fd3ee12397b1c0fd171fe5ebe7926bfb934c36ecbae

    • Size

      328KB

    • MD5

      0bc2b22e86a771b76f8c00af483cf750

    • SHA1

      b13e4c0a59d71eaf5ebc9ae04abfe79a501679a2

    • SHA256

      e358e8a7ecb074a9d1f15fd3ee12397b1c0fd171fe5ebe7926bfb934c36ecbae

    • SHA512

      b5a98041e3c6e61cb4001b7b35c6decbedb33dc723d0cfc402a91b9d55722dacaee243b089b3a2a41819799d0ac11fa65a591105149a9044afa9355876e8b7ea

    • SSDEEP

      6144:7yWOeLm+tkxoGQvT+W4+HMc+MEGRQ6saHSMf3z0AzbLUG50Tpm+MmvbWdlL0d5aU:7Cemx0vN3HKGi6sYjJLUGGtedud5tr7

    • 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