Overview

overview

9

Static

static

8

f895e4d8ab...1c.exe

windows7_x64

9

f895e4d8ab...1c.exe

windows10-2004_x64

9

Analysis

  • max time kernel
    151s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    20-05-2022 22:51

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General

  • Target

    f895e4d8abe7ebe924498dc1c5af9ab9af5533bb713404f752d9a4536968441c.exe

  • Size

    110KB

  • MD5

    2926548716d0ffc875d9cddf62c03911

  • SHA1

    175d40cb33cc6c01077fd3e765950e36d8773e0a

  • SHA256

    f895e4d8abe7ebe924498dc1c5af9ab9af5533bb713404f752d9a4536968441c

  • SHA512

    1af5252e8430b285269b4a9a31527f9af5c35db50310f306068ded2601f71fae647c39b3190113e82d2c8ef20f94032b82dab481cc4a40c6649b0064d770efcd

Score
9/10
evasionpersistence

Malware Config

Signatures

  • Enumerates VirtualBox registry keys 2 TTPs
    evasion
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
    evasion
  • 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 3 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
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f895e4d8abe7ebe924498dc1c5af9ab9af5533bb713404f752d9a4536968441c.exe
    "C:\Users\Admin\AppData\Local\Temp\f895e4d8abe7ebe924498dc1c5af9ab9af5533bb713404f752d9a4536968441c.exe"
    1⤵
    • Checks BIOS information in registry
    • Identifies Wine through registry keys
    • Adds Run key to start application
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:3800
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\syswow64\svchost.exe
      2⤵
        PID:4652

    Network

    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

    5
    T1497

    Modify Registry

    1
    T1112

    Credential Access

    Discovery

    Query Registry

    6
    T1012

    Virtualization/Sandbox Evasion

    5
    T1497

    System Information Discovery

    1
    T1082

    Lateral Movement

    Collection

    Exfiltration

    Command and Control

    Impact

    Replay Monitor

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    Downloads

    • memory/3800-130-0x00000000005D0000-0x00000000005DC000-memory.dmp
      Filesize

      48KB

      Download
    • memory/3800-131-0x0000000000400000-0x000000000044F000-memory.dmp
      Filesize

      316KB

      Download
    • memory/3800-134-0x0000000002980000-0x0000000003980000-memory.dmp
      Filesize

      16.0MB

      Download
    • memory/4652-132-0x0000000000000000-mapping.dmp
      Download
    • memory/4652-133-0x00000000008F0000-0x0000000000901000-memory.dmp
      Filesize

      68KB

      Download