Overview

overview

9

Static

static

1

f345257ed3...19.exe

windows7-x64

9

f345257ed3...19.exe

windows10-2004-x64

8

Sharing

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General

  • Target

    f345257ed36358bf1f3fc0bbcf43bd4d4015393a090521c475f7d1880dd32519

  • Size

    215KB

  • Sample

    221123-mwfemsac8z

  • MD5

    af597217242b99d0071e994afbd92855

  • SHA1

    8802cd3eca4b6e274ff4df3fbbb4e7bb534bf90c

  • SHA256

    f345257ed36358bf1f3fc0bbcf43bd4d4015393a090521c475f7d1880dd32519

  • SHA512

    de1ce56f2e15f9d3637c6b84c836028ffe615d5bdefee2604daad9d4a819e6748b2264bd4905c46437c5ab64ee15be25dec409ac33cf0214ac456543359ed8dd

  • SSDEEP

    3072:qgXdZt9P6D3XJE45Wfi8PHeqPrIIUV54lRYipbBOQpBDrm7wqnVN3Pd+KkrD:qe34+VqADeV50JbfO7N/d6

Score
9/10
evasionpersistencetrojan

Malware Config

Targets

    • Target

      f345257ed36358bf1f3fc0bbcf43bd4d4015393a090521c475f7d1880dd32519

    • Size

      215KB

    • MD5

      af597217242b99d0071e994afbd92855

    • SHA1

      8802cd3eca4b6e274ff4df3fbbb4e7bb534bf90c

    • SHA256

      f345257ed36358bf1f3fc0bbcf43bd4d4015393a090521c475f7d1880dd32519

    • SHA512

      de1ce56f2e15f9d3637c6b84c836028ffe615d5bdefee2604daad9d4a819e6748b2264bd4905c46437c5ab64ee15be25dec409ac33cf0214ac456543359ed8dd

    • SSDEEP

      3072:qgXdZt9P6D3XJE45Wfi8PHeqPrIIUV54lRYipbBOQpBDrm7wqnVN3Pd+KkrD:qe34+VqADeV50JbfO7N/d6

    Score
    9/10
    evasionpersistencetrojan

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

      evasion

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Checks BIOS information in registry

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

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

      evasion

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Checks whether UAC is enabled

      evasiontrojan

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

2
T1497

Modify Registry

3
T1112

Install Root Certificate

1
T1130

Credential Access

Discovery

Query Registry

4
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

4
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks