Resubmissions

24-11-2022 21:09

221124-zzmpcadb4z 9

24-11-2022 20:59

221124-zs5atacg5y 9

General

  • Target

    Tester.exe

  • Size

    11.3MB

  • Sample

    221124-zzmpcadb4z

  • MD5

    2b9c4125be622c2af2784016db985bc8

  • SHA1

    733064f30eeb89e260103b4b2ce06582d042be83

  • SHA256

    f224cb31d5b44800d57940e547e9a1cbefc43f6a4d9459a4dc822719839a5f32

  • SHA512

    eadac4a042cd529df8fbdad8cc068be9947fa89d11111941035e903322a33d0863d8e65078cb096bd751400fab6d4890f8fcaa6f632339a5d1e2ef12c1ba7105

  • SSDEEP

    196608:u3y9onJ5hrZERMB2WZufOuD9L2+qN9AUKzezdn0JhFVbNvAKy+BhvvIWvRm:ey9c5hlERo2WmfDZ2pN9AUKzeN8jHhBX

Malware Config

Targets

    • Target

      Tester.exe

    • Size

      11.3MB

    • MD5

      2b9c4125be622c2af2784016db985bc8

    • SHA1

      733064f30eeb89e260103b4b2ce06582d042be83

    • SHA256

      f224cb31d5b44800d57940e547e9a1cbefc43f6a4d9459a4dc822719839a5f32

    • SHA512

      eadac4a042cd529df8fbdad8cc068be9947fa89d11111941035e903322a33d0863d8e65078cb096bd751400fab6d4890f8fcaa6f632339a5d1e2ef12c1ba7105

    • SSDEEP

      196608:u3y9onJ5hrZERMB2WZufOuD9L2+qN9AUKzezdn0JhFVbNvAKy+BhvvIWvRm:ey9c5hlERo2WmfDZ2pN9AUKzeN8jHhBX

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Modifies Installed Components in the registry

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Checks whether UAC is enabled

    • Enumerates connected drives

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

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Modify Registry

1
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

5
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

5
T1082

Peripheral Device Discovery

2
T1120

Collection

Data from Local System

1
T1005

Tasks