General

  • Target

    c6d02ffc80658a75e14c93ff63b4704941124f1ab357c5ad1dc750205a38d823

  • Size

    71KB

  • Sample

    210926-ydr69sfbhk

  • MD5

    b4479eaf03634d01b29504d10d756c2b

  • SHA1

    15117264212dd79ca5a7cb1a180c2f4cf8337fa4

  • SHA256

    c6d02ffc80658a75e14c93ff63b4704941124f1ab357c5ad1dc750205a38d823

  • SHA512

    856ce50c03f5fcc1ed8d9f01f9f436fe61950a85ec39e2e48db1e4a0206d7103b3e8f03b064859dfaabee8f04a0f977500283eaa493363a7bd32861febd3f05f

Malware Config

Targets

    • Target

      c6d02ffc80658a75e14c93ff63b4704941124f1ab357c5ad1dc750205a38d823

    • Size

      71KB

    • MD5

      b4479eaf03634d01b29504d10d756c2b

    • SHA1

      15117264212dd79ca5a7cb1a180c2f4cf8337fa4

    • SHA256

      c6d02ffc80658a75e14c93ff63b4704941124f1ab357c5ad1dc750205a38d823

    • SHA512

      856ce50c03f5fcc1ed8d9f01f9f436fe61950a85ec39e2e48db1e4a0206d7103b3e8f03b064859dfaabee8f04a0f977500283eaa493363a7bd32861febd3f05f

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

    • Executes dropped EXE

    • Checks BIOS information in registry

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

    • 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.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Checks installed software on the system

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

    • Checks whether UAC is enabled

    • Legitimate hosting services abused for malware hosting/C2

    • 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

2
T1081

Discovery

Query Registry

3
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

3
T1082

Collection

Data from Local System

2
T1005

Command and Control

Web Service

1
T1102

Tasks