General

  • Target

    c66baeff16af16f24789b728391b0b91.exe

  • Size

    6.2MB

  • Sample

    230323-h6m51sgb7y

  • MD5

    c66baeff16af16f24789b728391b0b91

  • SHA1

    1a5cc9d0bb2dac69a4b44fe453001d5cc7833064

  • SHA256

    470d8301ac8d7e12baca136b154e146703c74b32bb495f4c5487339f570405d6

  • SHA512

    ba0c3f65ed20da231e9a4af742a5e0f20a33c95d53e52d74b770e30a3232f244dbdc637bf43944d08890cc831984a6912b4e09eb564f9c3c9b02f484b3ca80ee

  • SSDEEP

    98304:bO8KntSM3PAU0VIuZ6Q8ef3ReeBb2HPP0ooAE8oLjJ/NhZv6FJS+Zh1MXAG:pKntS9U0alef3Rp2X1F/sjj6/SYW

Malware Config

Targets

    • Target

      c66baeff16af16f24789b728391b0b91.exe

    • Size

      6.2MB

    • MD5

      c66baeff16af16f24789b728391b0b91

    • SHA1

      1a5cc9d0bb2dac69a4b44fe453001d5cc7833064

    • SHA256

      470d8301ac8d7e12baca136b154e146703c74b32bb495f4c5487339f570405d6

    • SHA512

      ba0c3f65ed20da231e9a4af742a5e0f20a33c95d53e52d74b770e30a3232f244dbdc637bf43944d08890cc831984a6912b4e09eb564f9c3c9b02f484b3ca80ee

    • SSDEEP

      98304:bO8KntSM3PAU0VIuZ6Q8ef3ReeBb2HPP0ooAE8oLjJ/NhZv6FJS+Zh1MXAG:pKntS9U0alef3Rp2X1F/sjj6/SYW

    • 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