General

  • Target

    1fa23960d2dce1bbad5ab761d0b65f62d9a71d20d7e180f73b0b374398a6296e

  • Size

    5.6MB

  • Sample

    211206-v3r11seffj

  • MD5

    db4cebbdab4486e191a77c10bc58ae27

  • SHA1

    918a3696511f9da24da0fe022ac9b3190fe87fda

  • SHA256

    1fa23960d2dce1bbad5ab761d0b65f62d9a71d20d7e180f73b0b374398a6296e

  • SHA512

    9fa26bad15faae4c656861691f32dae88e2793dd154da1e1fb29c0e55234c4b444a4d3af767e6ec541c5bb050808213c9859eb6779d2adc73db8f769968a4210

Malware Config

Targets

    • Target

      1fa23960d2dce1bbad5ab761d0b65f62d9a71d20d7e180f73b0b374398a6296e

    • Size

      5.6MB

    • MD5

      db4cebbdab4486e191a77c10bc58ae27

    • SHA1

      918a3696511f9da24da0fe022ac9b3190fe87fda

    • SHA256

      1fa23960d2dce1bbad5ab761d0b65f62d9a71d20d7e180f73b0b374398a6296e

    • SHA512

      9fa26bad15faae4c656861691f32dae88e2793dd154da1e1fb29c0e55234c4b444a4d3af767e6ec541c5bb050808213c9859eb6779d2adc73db8f769968a4210

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

    • Blocklisted process makes network request

    • Executes dropped EXE

    • Checks BIOS information in registry

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

    • Loads dropped DLL

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Checks whether UAC is enabled

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Discovery

Query Registry

3
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

4
T1082

Command and Control

Web Service

1
T1102

Tasks