General

  • Target

    0a70e20df0e0f4af3e365c7f00587f5b31f0048a9fd3091c4fcfc90000920749

  • Size

    74KB

  • Sample

    211021-j4ddgaaghq

  • MD5

    40eeb8d964bc5f76d2eb5868e12f51b6

  • SHA1

    efe79b2057496d2106a4388e8f4b8a0150548da9

  • SHA256

    0a70e20df0e0f4af3e365c7f00587f5b31f0048a9fd3091c4fcfc90000920749

  • SHA512

    eb207df11812857949e56e00624f5655b40b60470a48b54c76100bc92d158e6e1687cb260ccef3e1c7c7d97fd18061d741c698c82683aff7a964f37982275d30

Malware Config

Targets

    • Target

      0a70e20df0e0f4af3e365c7f00587f5b31f0048a9fd3091c4fcfc90000920749

    • Size

      74KB

    • MD5

      40eeb8d964bc5f76d2eb5868e12f51b6

    • SHA1

      efe79b2057496d2106a4388e8f4b8a0150548da9

    • SHA256

      0a70e20df0e0f4af3e365c7f00587f5b31f0048a9fd3091c4fcfc90000920749

    • SHA512

      eb207df11812857949e56e00624f5655b40b60470a48b54c76100bc92d158e6e1687cb260ccef3e1c7c7d97fd18061d741c698c82683aff7a964f37982275d30

    • 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