General

  • Target

    31187424e25004f7580b8defbe516ab09a6e5a4eb9e39ab1721279c5ecce8399

  • Size

    32KB

  • Sample

    221012-r2gxwafghp

  • MD5

    b1a76512bd2449210a38aad628f5e1a3

  • SHA1

    e2d5c4629742a37579eba17c722fd8177ea4a410

  • SHA256

    31187424e25004f7580b8defbe516ab09a6e5a4eb9e39ab1721279c5ecce8399

  • SHA512

    24f6d10f7110e6b4855e6410384bdca6b37fe47b98c5a4001faccb7b8817dd961b06dc4eac1ead4989782413aff942f1d4adb2b5f286a310cd9bfe355a5eb46b

  • SSDEEP

    192:60hg42Nzd2GQ/0jqEtJ2KLNGEt2hoynrLEgH9e2tnwRmd8MFA93M3pkR:60CvNwRtONGThlNde2tnwwd5ASc

Malware Config

Targets

    • Target

      31187424e25004f7580b8defbe516ab09a6e5a4eb9e39ab1721279c5ecce8399

    • Size

      32KB

    • MD5

      b1a76512bd2449210a38aad628f5e1a3

    • SHA1

      e2d5c4629742a37579eba17c722fd8177ea4a410

    • SHA256

      31187424e25004f7580b8defbe516ab09a6e5a4eb9e39ab1721279c5ecce8399

    • SHA512

      24f6d10f7110e6b4855e6410384bdca6b37fe47b98c5a4001faccb7b8817dd961b06dc4eac1ead4989782413aff942f1d4adb2b5f286a310cd9bfe355a5eb46b

    • SSDEEP

      192:60hg42Nzd2GQ/0jqEtJ2KLNGEt2hoynrLEgH9e2tnwRmd8MFA93M3pkR:60CvNwRtONGThlNde2tnwwd5ASc

    • 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.

    • UAC bypass

    • ACProtect 1.3x - 1.4x DLL software

      Detects file using ACProtect software.

    • Downloads MZ/PE file

    • 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.

    • Drops startup file

    • Loads dropped DLL

    • Checks whether UAC is enabled

    • Enumerates connected drives

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

    • An obfuscated cmd.exe command-line is typically used to evade detection.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Privilege Escalation

Bypass User Account Control

1
T1088

Defense Evasion

Bypass User Account Control

1
T1088

Disabling Security Tools

1
T1089

Modify Registry

2
T1112

Discovery

Query Registry

4
T1012

System Information Discovery

6
T1082

Peripheral Device Discovery

2
T1120

Tasks