General

  • Target

    4f0a91af8045adc9f875216f4c265b80.exe

  • Size

    6.8MB

  • Sample

    230326-pjb8kage27

  • MD5

    4f0a91af8045adc9f875216f4c265b80

  • SHA1

    d639d550610dc7767b6e08784afdceb2b25d8424

  • SHA256

    5fa906e1fd8772c1fe0c2395ed85ad4dcbe5b4295ad6c536efc43ae0922f631c

  • SHA512

    272c0e660ef974312730f266ce8ea7bfadd1c44e1333585aa9c12a9b7ea0f96921c789b7afbfef66b4da62a80029300fc9b9e5db6cc71ef6cf7d83006e729c1a

  • SSDEEP

    196608:01y3hi5Hwu7/nvdGt0MKd1zw0OYd88Afx2AQk/soey:syRCXJLDkYd8Jxf9/sny

Malware Config

Targets

    • Target

      4f0a91af8045adc9f875216f4c265b80.exe

    • Size

      6.8MB

    • MD5

      4f0a91af8045adc9f875216f4c265b80

    • SHA1

      d639d550610dc7767b6e08784afdceb2b25d8424

    • SHA256

      5fa906e1fd8772c1fe0c2395ed85ad4dcbe5b4295ad6c536efc43ae0922f631c

    • SHA512

      272c0e660ef974312730f266ce8ea7bfadd1c44e1333585aa9c12a9b7ea0f96921c789b7afbfef66b4da62a80029300fc9b9e5db6cc71ef6cf7d83006e729c1a

    • SSDEEP

      196608:01y3hi5Hwu7/nvdGt0MKd1zw0OYd88Afx2AQk/soey:syRCXJLDkYd8Jxf9/sny

    • 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.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Deletes itself

    • Executes dropped EXE

    • 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.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • 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

    • Maps connected drives based on registry

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

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

6
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

6
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

2
T1005

Tasks