General

  • Target

    aacfc285dd684fd94a01c8ed0e6b5b8a8cd1834208ba37d309d79669c313eb08

  • Size

    169KB

  • Sample

    221128-flrxcsga97

  • MD5

    c1179cdac74cd2250f8cce790f9b660a

  • SHA1

    f80c0a20bb8477857c52ba981a0a7627223c3f32

  • SHA256

    aacfc285dd684fd94a01c8ed0e6b5b8a8cd1834208ba37d309d79669c313eb08

  • SHA512

    847557904e6e7ee4fd691e8cd388345a4850406c9fb00999fb69d1acbbe69918acb358d27ab7a5a758709a54b318241dea5622bcc1babbc30bf944b8f3f838ec

  • SSDEEP

    3072:T3c1fP4AJJX3Y6p8jmow4IRo/PFrfykRLlBhKgVBuhFdE6MBGG+z8WPP:7OPj9Emow4ImdVRRproFdWMG+tn

Malware Config

Targets

    • Target

      aacfc285dd684fd94a01c8ed0e6b5b8a8cd1834208ba37d309d79669c313eb08

    • Size

      169KB

    • MD5

      c1179cdac74cd2250f8cce790f9b660a

    • SHA1

      f80c0a20bb8477857c52ba981a0a7627223c3f32

    • SHA256

      aacfc285dd684fd94a01c8ed0e6b5b8a8cd1834208ba37d309d79669c313eb08

    • SHA512

      847557904e6e7ee4fd691e8cd388345a4850406c9fb00999fb69d1acbbe69918acb358d27ab7a5a758709a54b318241dea5622bcc1babbc30bf944b8f3f838ec

    • SSDEEP

      3072:T3c1fP4AJJX3Y6p8jmow4IRo/PFrfykRLlBhKgVBuhFdE6MBGG+z8WPP:7OPj9Emow4ImdVRRproFdWMG+tn

    • Detected phishing page

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Executes dropped EXE

    • UPX packed file

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

    • Checks computer location settings

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

    • Loads dropped DLL

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Drops desktop.ini file(s)

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • Drops file in System32 directory

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Bootkit

1
T1067

Defense Evasion

Modify Registry

3
T1112

Install Root Certificate

1
T1130

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Tasks