General

  • Target

    91d00c164f45e9e6bafc44817d84be8d_JaffaCakes118

  • Size

    3.0MB

  • Sample

    240603-pt5ymaef8y

  • MD5

    91d00c164f45e9e6bafc44817d84be8d

  • SHA1

    40ede9a7accfda3764f41682315586a95dd75e8c

  • SHA256

    0530d87218253d7f3ddcaf0444dbcaa7b5e2e20be4c0b392e336d2646007bcf4

  • SHA512

    166d55b050ad9d638ccfd38a41bf4e0ad057ff1b2c9485886f1a032f832e26837697c1f66a94e48d97cdb2bb4ecec70f2afba436ecc47cfc12d33e2d3aa4dc76

  • SSDEEP

    49152:yoTYFyxIT4/TKXCEGScWZu33UdgIXfp2wSZIWbTpUfL1UU6RogdGcR+Ty/slY1Re:RInTkTKyEGS7U33A1fMFTbTpUz1UaJG2

Malware Config

Targets

    • Target

      91d00c164f45e9e6bafc44817d84be8d_JaffaCakes118

    • Size

      3.0MB

    • MD5

      91d00c164f45e9e6bafc44817d84be8d

    • SHA1

      40ede9a7accfda3764f41682315586a95dd75e8c

    • SHA256

      0530d87218253d7f3ddcaf0444dbcaa7b5e2e20be4c0b392e336d2646007bcf4

    • SHA512

      166d55b050ad9d638ccfd38a41bf4e0ad057ff1b2c9485886f1a032f832e26837697c1f66a94e48d97cdb2bb4ecec70f2afba436ecc47cfc12d33e2d3aa4dc76

    • SSDEEP

      49152:yoTYFyxIT4/TKXCEGScWZu33UdgIXfp2wSZIWbTpUfL1UU6RogdGcR+Ty/slY1Re:RInTkTKyEGS7U33A1fMFTbTpUz1UaJG2

    • Taurus Stealer

      Taurus is an infostealer first seen in June 2020.

    • Taurus Stealer payload

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

    • Checks BIOS information in registry

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

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

    • Reads WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • Reads user/profile data of web browsers

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

    • Accesses 2FA software files, possible credential harvesting

    • Checks installed software on the system

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

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Matrix ATT&CK v13

Defense Evasion

Virtualization/Sandbox Evasion

2
T1497

Credential Access

Unsecured Credentials

3
T1552

Credentials In Files

2
T1552.001

Credentials in Registry

1
T1552.002

Discovery

Query Registry

4
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

1
T1082

Collection

Data from Local System

3
T1005

Tasks