Overview

overview

9

Static

static

8

f895e4d8ab...1c.exe

windows7_x64

9

f895e4d8ab...1c.exe

windows10-2004_x64

9

Analysis

  • max time kernel
    79s
  • max time network
    49s
  • platform
    windows7_x64
  • resource
    win7-20220414-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
evasion

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
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 37 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 8 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
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:1668
    • C:\Windows\syswow64\svchost.exe
      C:\Windows\syswow64\svchost.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1944
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1944 -s 104
        3⤵
        • Program crash
        PID:1312

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

5
T1497

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/1312-59-0x0000000000000000-mapping.dmp
    Download
  • memory/1668-54-0x0000000075BA1000-0x0000000075BA3000-memory.dmp
    Filesize

    8KB

    Download
  • memory/1668-55-0x0000000000230000-0x000000000023C000-memory.dmp
    Filesize

    48KB

    Download
  • memory/1668-56-0x0000000000400000-0x000000000044F000-memory.dmp
    Filesize

    316KB

    Download
  • memory/1944-57-0x00000000000C6089-mapping.dmp
    Download
  • memory/1944-58-0x00000000000C0000-0x00000000000D1000-memory.dmp
    Filesize

    68KB

    Download
  • memory/1944-60-0x00000000008A0000-0x00000000018A0000-memory.dmp
    Filesize

    16.0MB

    Download