General

  • Target

    adcf4f2d9028c52a8b7b7b7880aa5d6b.exe

  • Size

    6.8MB

  • Sample

    230321-xbrbhsee4y

  • MD5

    adcf4f2d9028c52a8b7b7b7880aa5d6b

  • SHA1

    60c9c134ff2cd2847b9f8ff58aead722e9ac43a8

  • SHA256

    bdce60e92616f204631ebac6d57c74fd2214c9591c6faa2a76150c6ac15c6ac0

  • SHA512

    2277f133303010cd19690d9142513bbd9cdd61c0189807cfe58ff7e2aa734623549992eb8e7bc8c306d6a292990904ce0a8a826f0c3e436a1d1d8f84ef5c6af4

  • SSDEEP

    196608:0dvbLD+bI92rDvjxLZisgOb5nEqc93TkNboL:0vbLwrLjxLZishuT8A

Malware Config

Targets

    • Target

      adcf4f2d9028c52a8b7b7b7880aa5d6b.exe

    • Size

      6.8MB

    • MD5

      adcf4f2d9028c52a8b7b7b7880aa5d6b

    • SHA1

      60c9c134ff2cd2847b9f8ff58aead722e9ac43a8

    • SHA256

      bdce60e92616f204631ebac6d57c74fd2214c9591c6faa2a76150c6ac15c6ac0

    • SHA512

      2277f133303010cd19690d9142513bbd9cdd61c0189807cfe58ff7e2aa734623549992eb8e7bc8c306d6a292990904ce0a8a826f0c3e436a1d1d8f84ef5c6af4

    • SSDEEP

      196608:0dvbLD+bI92rDvjxLZisgOb5nEqc93TkNboL:0vbLwrLjxLZishuT8A

    • 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