Overview

overview

10

Static

static

Invoice.exe

windows7_x64

10

Invoice.exe

windows10_x64

10

Sharing

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General

  • Target

    Invoice.exe

  • Size

    1.6MB

  • Sample

    210114-bld1f5vpbj

  • MD5

    d4604f538dbc3479d165a22cf8580259

  • SHA1

    22c77149d40ab5d6b5bda86732d53bb877a1b1db

  • SHA256

    fcd58c353ee45e7f1f7edfb1e2e207deb118a08b5350d8f1fdc76be5f051e792

  • SHA512

    c60510d1414cf987fd0d563e7ed4bb4a8d6b5dd19fb39caaf47db7cef8b5d6ea860f3b663175f1428367a472e5b11d1009b5e200d9a8681e76175c8aea3d2c82

Score
10/10
evasionpersistence

Malware Config

Targets

    • Target

      Invoice.exe

    • Size

      1.6MB

    • MD5

      d4604f538dbc3479d165a22cf8580259

    • SHA1

      22c77149d40ab5d6b5bda86732d53bb877a1b1db

    • SHA256

      fcd58c353ee45e7f1f7edfb1e2e207deb118a08b5350d8f1fdc76be5f051e792

    • SHA512

      c60510d1414cf987fd0d563e7ed4bb4a8d6b5dd19fb39caaf47db7cef8b5d6ea860f3b663175f1428367a472e5b11d1009b5e200d9a8681e76175c8aea3d2c82

    Score
    10/10
    evasionpersistence

    • Modifies WinLogon for persistence

      persistence

    • Looks for VirtualBox Guest Additions in registry

      evasion

    • Looks for VMWare Tools registry key

      evasion

    • Checks BIOS information in registry

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

    • Drops startup file

    • Adds Run key to start application

      persistence

    • Maps connected drives based on registry

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

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1
T1004

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

2
T1112

Virtualization/Sandbox Evasion

2
T1497

Credential Access

Discovery

Query Registry

4
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

2
T1082

Peripheral Device Discovery

1
T1120

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks