General

  • Target

    55806586ec39d3452628a7c1b93ed7f99a1c311d60d09c3741c3a6bc6215be20

  • Size

    300KB

  • Sample

    230206-3k1t7sgd52

  • MD5

    1f74f7ac55fd023835df3e8aef611b89

  • SHA1

    53d656b6d7f660489dc5140fd92b24d2655093f7

  • SHA256

    55806586ec39d3452628a7c1b93ed7f99a1c311d60d09c3741c3a6bc6215be20

  • SHA512

    6aa536e465fafc6bae59d1a615b050aca702d6c61e78792c0c634613ed0802d3c1715e499a647690031dc595a2e70933d94e5c3f933d596118070bef1859ae4d

  • SSDEEP

    6144:CkHF4LCEl5fl/aWG/AYEg5uQj9wvLCLa:Ckl4OQ5flivYYEAljULk

Malware Config

Targets

    • Target

      55806586ec39d3452628a7c1b93ed7f99a1c311d60d09c3741c3a6bc6215be20

    • Size

      300KB

    • MD5

      1f74f7ac55fd023835df3e8aef611b89

    • SHA1

      53d656b6d7f660489dc5140fd92b24d2655093f7

    • SHA256

      55806586ec39d3452628a7c1b93ed7f99a1c311d60d09c3741c3a6bc6215be20

    • SHA512

      6aa536e465fafc6bae59d1a615b050aca702d6c61e78792c0c634613ed0802d3c1715e499a647690031dc595a2e70933d94e5c3f933d596118070bef1859ae4d

    • SSDEEP

      6144:CkHF4LCEl5fl/aWG/AYEg5uQj9wvLCLa:Ckl4OQ5flivYYEAljULk

    • Detects Smokeloader packer

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Loads dropped DLL

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Modify Registry

1
T1112

Discovery

System Information Discovery

3
T1082

Query Registry

2
T1012

Peripheral Device Discovery

1
T1120

Tasks