Resubmissions

28-01-2023 20:16

230128-y18sjagb93 10

15-12-2022 12:15

221215-pexcyafc8w 10

General

  • Target

    img014012022.exe

  • Size

    667KB

  • Sample

    230128-y18sjagb93

  • MD5

    0d8c9a1bf7c59fc5623bc97992c84d68

  • SHA1

    f83fd12fc4ba8c891f01f93e4dbec5dd7106cbc3

  • SHA256

    f0e3d1d1dd4b0b69a99c24ce4217194e9cbbb4f1efd8edcb8831f6e889c9b5cd

  • SHA512

    776d9e66da6c499d54b760f930b7c080be33daabff33e4b9670701f21373f307af602e124ce414b3b354277c5604ae7811105dd9a8d2d8f03571e467947a3d2d

  • SSDEEP

    12288:aRW65WWrYINieIUYXPFvWYGegce9pZIdTPxM6uMdmLN4NQ/h1aikvhmF:mW65WWrYIUeIUYXP9WYGegceQN766NKL

Malware Config

Targets

    • Target

      img014012022.exe

    • Size

      667KB

    • MD5

      0d8c9a1bf7c59fc5623bc97992c84d68

    • SHA1

      f83fd12fc4ba8c891f01f93e4dbec5dd7106cbc3

    • SHA256

      f0e3d1d1dd4b0b69a99c24ce4217194e9cbbb4f1efd8edcb8831f6e889c9b5cd

    • SHA512

      776d9e66da6c499d54b760f930b7c080be33daabff33e4b9670701f21373f307af602e124ce414b3b354277c5604ae7811105dd9a8d2d8f03571e467947a3d2d

    • SSDEEP

      12288:aRW65WWrYINieIUYXPFvWYGegce9pZIdTPxM6uMdmLN4NQ/h1aikvhmF:mW65WWrYIUeIUYXP9WYGegceQN766NKL

    • MassLogger

      Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.

    • MassLogger Main payload

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Executes dropped EXE

    • Sets file execution options in registry

    • Sets service image path in registry

    • Loads dropped DLL

    • Checks installed software on the system

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

    • Detected potential entity reuse from brand microsoft.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

2
T1060

Defense Evasion

Modify Registry

3
T1112

Install Root Certificate

1
T1130

Discovery

Query Registry

4
T1012

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Tasks