Overview

overview

10

Static

static

Invoice.exe

windows7_x64

10

Invoice.exe

windows10_x64

10

Analysis

  • max time kernel
    34s
  • max time network
    35s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    14-01-2021 06:56

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General

  • Target

    Invoice.exe

  • Size

    1.6MB

  • MD5

    d4604f538dbc3479d165a22cf8580259

  • SHA1

    22c77149d40ab5d6b5bda86732d53bb877a1b1db

  • SHA256

    fcd58c353ee45e7f1f7edfb1e2e207deb118a08b5350d8f1fdc76be5f051e792

  • SHA512

    c60510d1414cf987fd0d563e7ed4bb4a8d6b5dd19fb39caaf47db7cef8b5d6ea860f3b663175f1428367a472e5b11d1009b5e200d9a8681e76175c8aea3d2c82

Score
10/10
evasionpersistence

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
    persistence
  • Looks for VirtualBox Guest Additions in registry 2 TTPs
    evasion
  • Looks for VMWare Tools registry key 2 TTPs
    evasion
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Drops startup file 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Maps connected drives based on registry 3 TTPs 2 IoCs

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\Invoice.exe
    "C:\Users\Admin\AppData\Local\Temp\Invoice.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Checks BIOS information in registry
    • Drops startup file
    • Adds Run key to start application
    • Maps connected drives based on registry
    PID:1204

Network

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

Replay Monitor

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Downloads

  • memory/1204-2-0x0000000073E00000-0x00000000744EE000-memory.dmp
    Filesize

    6.9MB

    Download
  • memory/1204-3-0x0000000000250000-0x0000000000251000-memory.dmp
    Filesize

    4KB

    Download
  • memory/1204-5-0x0000000000500000-0x000000000053C000-memory.dmp
    Filesize

    240KB

    Download