General

  • Target

    4507652955734016.zip

  • Size

    1005KB

  • Sample

    211119-ve1y1sbadj

  • MD5

    d63b51bf04777e000ab4a24f8852da19

  • SHA1

    be78c944e46f130896dee85f39f55afaaa29fb93

  • SHA256

    d616d1c1f19a14499a9106e7fb45616a497b77662b9c59c8fd7d4bda407fb96e

  • SHA512

    e7144b4a9f7901965bd9b1bed1032f50591ef4580a4b60cb92be8a2fd320774cb75a4fc81d29a4f9131150fb1423117ceca3c772d0e66a405facbc9ab44fa684

Malware Config

Targets

    • Target

      8cef523542375b59ba8b5383ac0dff14266d0b27e73a46c9ed930942c353427e

    • Size

      1.7MB

    • MD5

      8ab1255477e4c5b117f6ba88f1cd301d

    • SHA1

      be11ff9b20e1ba986e6a690a2426ae11214b8a24

    • SHA256

      8cef523542375b59ba8b5383ac0dff14266d0b27e73a46c9ed930942c353427e

    • SHA512

      bca9efe08f75f2ce17eac57e5aae50ed7b747b03cf7957cad2500c308b2eaf48f55c661f7fb4ecb2c34bbd796ebd71deb19f841b57fb16aecc72ef58c00f4a80

    • Modifies WinLogon for persistence

    • ACProtect 1.3x - 1.4x DLL software

      Detects file using ACProtect software.

    • Drops file in Drivers directory

    • Sets service image path in registry

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Loads dropped DLL

    • Adds Run key to start application

    • Installs/modifies Browser Helper Object

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

    • Modifies WinLogon

    • Drops file in System32 directory

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Winlogon Helper DLL

2
T1004

Registry Run Keys / Startup Folder

2
T1060

Browser Extensions

1
T1176

Defense Evasion

Modify Registry

5
T1112

Tasks