General

  • Target

    5f3b1f2824fb967f0bc2733540bc7c2aa30860fc63ceb741524fa2fd03a52f91

  • Size

    10.2MB

  • Sample

    221129-w8kdsshc9y

  • MD5

    68fc1f9b96fb8fdb5596e6518ea41fa5

  • SHA1

    9d7a72def1ec8477f601b4ea897db85695efa38f

  • SHA256

    5f3b1f2824fb967f0bc2733540bc7c2aa30860fc63ceb741524fa2fd03a52f91

  • SHA512

    b24a7d0e2a46be2cfb429c009a489f49a6355dbbd0bf0984e789290d7095d07812bf5c9b570b09c5dfec27c30828ab5ce8e22a57f2946c4b5e2def176af258d6

  • SSDEEP

    196608:NEnpdDY3l9YYoxqMsRnEVBzVzCJDb5NvAvoj4tDhbBVXrn9ShqqpvtgvkuYnWFit:NmpAl9noAjRnEVw3Ywj0DhbBVz9+qEga

Malware Config

Targets

    • Target

      5f3b1f2824fb967f0bc2733540bc7c2aa30860fc63ceb741524fa2fd03a52f91

    • Size

      10.2MB

    • MD5

      68fc1f9b96fb8fdb5596e6518ea41fa5

    • SHA1

      9d7a72def1ec8477f601b4ea897db85695efa38f

    • SHA256

      5f3b1f2824fb967f0bc2733540bc7c2aa30860fc63ceb741524fa2fd03a52f91

    • SHA512

      b24a7d0e2a46be2cfb429c009a489f49a6355dbbd0bf0984e789290d7095d07812bf5c9b570b09c5dfec27c30828ab5ce8e22a57f2946c4b5e2def176af258d6

    • SSDEEP

      196608:NEnpdDY3l9YYoxqMsRnEVBzVzCJDb5NvAvoj4tDhbBVXrn9ShqqpvtgvkuYnWFit:NmpAl9noAjRnEVw3Ywj0DhbBVz9+qEga

    • Executes dropped EXE

    • Checks computer location settings

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

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

    • Loads dropped DLL

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Adds Run key to start application

    • Drops desktop.ini file(s)

    • Enumerates connected drives

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

    • Installs/modifies Browser Helper Object

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

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Browser Extensions

1
T1176

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Modify Registry

2
T1112

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Virtualization/Sandbox Evasion

1
T1497

Peripheral Device Discovery

1
T1120

Tasks