General

  • Target

    312d836a9f6dc81cc96ca2d75f1cc09fc15a1741b3ba7c85f6ae3a62edc39def

  • Size

    2.5MB

  • Sample

    240625-km4prssfkm

  • MD5

    22a627d2b5a1494685c682f3c8e19fd5

  • SHA1

    6cf47886e3af836eed1c373ff40b582b1b1b8531

  • SHA256

    312d836a9f6dc81cc96ca2d75f1cc09fc15a1741b3ba7c85f6ae3a62edc39def

  • SHA512

    2b65e1d59358865df1ff5b4799aef892b72e1121a85838071121d5debae74211dbce2550e1314df6952f5ac3d770db8297737ebe8831358e27fed4232433a871

  • SSDEEP

    49152:vQZAdVyVT9n/Gg0P+WhocKy5JDmn2OOacy8y/E7nhRySTAuYiKy:IGdVyVT9nOgmhsOJDmn2O+HJ7eS2

Malware Config

Targets

    • Target

      312d836a9f6dc81cc96ca2d75f1cc09fc15a1741b3ba7c85f6ae3a62edc39def

    • Size

      2.5MB

    • MD5

      22a627d2b5a1494685c682f3c8e19fd5

    • SHA1

      6cf47886e3af836eed1c373ff40b582b1b1b8531

    • SHA256

      312d836a9f6dc81cc96ca2d75f1cc09fc15a1741b3ba7c85f6ae3a62edc39def

    • SHA512

      2b65e1d59358865df1ff5b4799aef892b72e1121a85838071121d5debae74211dbce2550e1314df6952f5ac3d770db8297737ebe8831358e27fed4232433a871

    • SSDEEP

      49152:vQZAdVyVT9n/Gg0P+WhocKy5JDmn2OOacy8y/E7nhRySTAuYiKy:IGdVyVT9nOgmhsOJDmn2O+HJ7eS2

    • Detect PurpleFox Rootkit

      Detect PurpleFox Rootkit.

    • Gh0st RAT payload

    • Gh0strat

      Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.

    • PurpleFox

      PurpleFox is an exploit kit used to distribute other malware families and first seen in 2018.

    • Drops file in Drivers directory

    • Server Software Component: Terminal Services DLL

    • Sets service image path in registry

    • Executes dropped EXE

    • Loads dropped DLL

    • UPX packed file

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

    • Drops file in System32 directory

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Server Software Component

1
T1505

Terminal Services DLL

1
T1505.005

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

1
T1112

Discovery

System Information Discovery

1
T1082

Remote System Discovery

1
T1018

Tasks