Overview

overview

10

Static

static

a7d0d6a14b...0b.exe

windows7_x64

10

a7d0d6a14b...0b.exe

windows10-2004_x64

9

Analysis

  • max time kernel
    144s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    01-05-2022 23:37

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General

  • Target

    a7d0d6a14b87d8ec445507b72307e33e4d83672e33a4c98025ae09ad4500200b.exe

  • Size

    8.5MB

  • MD5

    d4572458e610e97f4642e70e5801db62

  • SHA1

    10d45768e23b335350fe2af3fb79a0540e1c4651

  • SHA256

    a7d0d6a14b87d8ec445507b72307e33e4d83672e33a4c98025ae09ad4500200b

  • SHA512

    f8e99d9adcd47bd4dc263c7b85b4b5c391f12e4c16fb824c9959b428818c6e20a466b0e13c66067686e37a5072ec4d38418f9d1de41f2223d80ec61f99e8d629

Score
9/10
evasion

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
    evasion
  • Executes dropped EXE 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Identifies Wine through registry keys 2 TTPs 1 IoCs

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

    evasion
  • Loads dropped DLL 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Drops file in Program Files directory 52 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a7d0d6a14b87d8ec445507b72307e33e4d83672e33a4c98025ae09ad4500200b.exe
    "C:\Users\Admin\AppData\Local\Temp\a7d0d6a14b87d8ec445507b72307e33e4d83672e33a4c98025ae09ad4500200b.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:4360
    • C:\Program Files (x86)\Innovative Solutions\Intervpn\OpenVPN\bin\vpnpro.exe
      "C:\Program Files (x86)\Innovative Solutions\Intervpn\OpenVPN\bin\vpnpro.exe"
      2⤵
      • Executes dropped EXE
      • Checks BIOS information in registry
      • Identifies Wine through registry keys
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious behavior: EnumeratesProcesses
      PID:8

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

2
T1497

Credential Access

Discovery

Query Registry

3
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Web Service

1
T1102

Impact

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Downloads

  • C:\Program Files (x86)\Innovative Solutions\Intervpn\OpenVPN\bin\vpnpro.exe
    Filesize

    2.0MB

    MD5

    377a51a2371524d72af1e2c7ae750b49

    SHA1

    86d915b99dd495c6eb0c9e7926dafbce1ff2be73

    SHA256

    78be359f86eee66b7e94a7fe54755a89ee8aa88c3fabee65c772a9d24284db3a

    SHA512

    09dfdb25464e4b17eeec09dde4db0d3ebe8026e5a9f3d8095acdcf26682314bf83cace912efdafc98ddd8b6540eda3639d6d2890e95821c5481e9b1d9efc6220

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  • C:\Users\Admin\AppData\Local\Temp\nsv6392.tmp\UAC.dll
    Filesize

    14KB

    MD5

    adb29e6b186daa765dc750128649b63d

    SHA1

    160cbdc4cb0ac2c142d361df138c537aa7e708c9

    SHA256

    2f7f8fc05dc4fd0d5cda501b47e4433357e887bbfed7292c028d99c73b52dc08

    SHA512

    b28adcccf0c33660fecd6f95f28f11f793dc9988582187617b4c113fb4e6fdad4cf7694cd8c0300a477e63536456894d119741a940dda09b7df3ff0087a7eada

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  • memory/8-131-0x0000000000000000-mapping.dmp
    Download
  • memory/8-133-0x00000000776B0000-0x0000000077853000-memory.dmp
    Filesize

    1.6MB

    Download
  • memory/8-134-0x0000000000400000-0x000000000091C000-memory.dmp
    Filesize

    5.1MB

    Download