General

  • Target

    83d66a582810bc00186c280c5925a41acfa4ab4d85f4994ba83306c4d906ba24

  • Size

    255KB

  • Sample

    221123-xcg48she8t

  • MD5

    435ca4708c1be08135062752959b4480

  • SHA1

    183383d79e64d87369995979233d8dec0993d998

  • SHA256

    83d66a582810bc00186c280c5925a41acfa4ab4d85f4994ba83306c4d906ba24

  • SHA512

    74fe55fe4538da0673502a1db05c8163f098f335b9481399a357c2a59c767b9a92da0cd6e2d1ec6c48d781aaa25cc127d5cd7927a169b0e40cc7c725a1f472f6

  • SSDEEP

    3072:MMDb50WrZa8jCgae5+VQkGdUQFDxePZ2SBaQJXkNRtXlNGKaUIQW/qlQBG3mmTJN:1xlZam+akqx6YQJXcNlEHUIQeE3mmBIW

Malware Config

Targets

    • Target

      83d66a582810bc00186c280c5925a41acfa4ab4d85f4994ba83306c4d906ba24

    • Size

      255KB

    • MD5

      435ca4708c1be08135062752959b4480

    • SHA1

      183383d79e64d87369995979233d8dec0993d998

    • SHA256

      83d66a582810bc00186c280c5925a41acfa4ab4d85f4994ba83306c4d906ba24

    • SHA512

      74fe55fe4538da0673502a1db05c8163f098f335b9481399a357c2a59c767b9a92da0cd6e2d1ec6c48d781aaa25cc127d5cd7927a169b0e40cc7c725a1f472f6

    • SSDEEP

      3072:MMDb50WrZa8jCgae5+VQkGdUQFDxePZ2SBaQJXkNRtXlNGKaUIQW/qlQBG3mmTJN:1xlZam+akqx6YQJXcNlEHUIQeE3mmBIW

    • Modifies visibility of file extensions in Explorer

    • Modifies visiblity of hidden/system files in Explorer

    • Windows security bypass

    • Disables RegEdit via registry modification

    • Executes dropped EXE

    • Modifies Installed Components in the registry

    • 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

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Windows security modification

    • Adds Run key to start application

    • Enumerates connected drives

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

    • Modifies WinLogon

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Drops file in System32 directory

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Hidden Files and Directories

2
T1158

Registry Run Keys / Startup Folder

2
T1060

Winlogon Helper DLL

1
T1004

Defense Evasion

Hidden Files and Directories

2
T1158

Modify Registry

8
T1112

Disabling Security Tools

2
T1089

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

4
T1012

System Information Discovery

5
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

1
T1005

Tasks