Overview

overview

10

Static

static

0d1cfaf10e...f2.exe

windows7_x64

10

0d1cfaf10e...f2.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    193s
  • max time network
    226s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    20-05-2022 04:40

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General

  • Target

    0d1cfaf10eb9e05a1376c7c85b14bc65570e0278978d70194232026ec2f986f2.exe

  • Size

    2.0MB

  • MD5

    71315e1101ebeb067568689f64b5fe2a

  • SHA1

    678e2e1d963d34cbfb597fe2a8327d1f53b2606c

  • SHA256

    0d1cfaf10eb9e05a1376c7c85b14bc65570e0278978d70194232026ec2f986f2

  • SHA512

    e8d0ba61e10ce23f6289cfbf42bb867dc2d1baf4e5eeefc00a2c61b0486a25f1e7aad9e3adfb0c2f48a59156fa89956aaf9219f581fa55a91c9220e4cb6a89c7

Score
10/10
vidardiscoveryevasionspywarestealersuricata

Malware Config

Signatures

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

    stealervidar
  • suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer HTTP POST Pattern

    suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer HTTP POST Pattern

    suricata
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
    evasion
  • Vidar Stealer 1 IoCs
    stealer
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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
  • Reads local data of messenger clients 2 TTPs

    Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

    spywarestealer
  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

    spywarestealer
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

    discovery
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Kills process with taskkill 1 IoCs
    evasion
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0d1cfaf10eb9e05a1376c7c85b14bc65570e0278978d70194232026ec2f986f2.exe
    "C:\Users\Admin\AppData\Local\Temp\0d1cfaf10eb9e05a1376c7c85b14bc65570e0278978d70194232026ec2f986f2.exe"
    1⤵
    • Checks BIOS information in registry
    • Checks computer location settings
    • Identifies Wine through registry keys
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2992
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" rd /s /q C:\ProgramData\RWOJNPOJPL3U25
      2⤵
        PID:4508
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c taskkill /im 0d1cfaf10eb9e05a1376c7c85b14bc65570e0278978d70194232026ec2f986f2.exe /f & erase C:\Users\Admin\AppData\Local\Temp\0d1cfaf10eb9e05a1376c7c85b14bc65570e0278978d70194232026ec2f986f2.exe & exit
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:4608
        • C:\Windows\SysWOW64\taskkill.exe
          taskkill /im 0d1cfaf10eb9e05a1376c7c85b14bc65570e0278978d70194232026ec2f986f2.exe /f
          3⤵
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:3896

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Initial Access

    Execution

    Persistence

    Privilege Escalation

    Defense Evasion

    Virtualization/Sandbox Evasion

    2
    T1497

    Credential Access

    Credentials in Files

    3
    T1081

    Discovery

    Query Registry

    6
    T1012

    Virtualization/Sandbox Evasion

    2
    T1497

    System Information Discovery

    4
    T1082

    Lateral Movement

    Collection

    Data from Local System

    3
    T1005

    Exfiltration

    Command and Control

    Impact

    Replay Monitor

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    Downloads

    • memory/2992-130-0x00000000778B0000-0x0000000077A53000-memory.dmp
      Filesize

      1.6MB

      Download
    • memory/2992-131-0x0000000000400000-0x00000000008F0000-memory.dmp
      Filesize

      4.9MB

      Download
    • memory/3896-134-0x0000000000000000-mapping.dmp
      Download
    • memory/4508-132-0x0000000000000000-mapping.dmp
      Download
    • memory/4608-133-0x0000000000000000-mapping.dmp
      Download