Overview

overview

10

Static

static

99fe658c43...d3.exe

windows7_x64

10

99fe658c43...d3.exe

windows10_x64

10

Analysis

  • max time kernel
    118s
  • max time network
    131s
  • platform
    windows10_x64
  • resource
    win10-en-20210920
  • submitted
    27/09/2021, 17:17

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General

  • Target
    99fe658c432bd480bbb6cf895fb0edd3.exe
  • Size 1.6MB
  • Sample210927-vtp53ahehm
  • SHA256 144ff14c185d4af1806915a328610083bd86e81eda86fde7df1071a7dd7ef3c0
  • MD5 SHA1 SHA512
Score
10/10
vidarspywarestealer

Malware Config

Signatures

  • Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs
  • Vidar

    Vidar is an infostealer based on Arkei stealer.

    stealervidar
  • Vidar Stealer 2 IoCs
    stealer
  • Downloads MZ/PE file
  • Loads dropped DLL 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

    spywarestealer
  • Accesses 2FA software files, possible credential harvesting 2 TTPs
    spywarestealer
  • Program crash 13 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\99fe658c432bd480bbb6cf895fb0edd3.exe
    "C:\Users\Admin\AppData\Local\Temp\99fe658c432bd480bbb6cf895fb0edd3.exe"
    1⤵
    • Loads dropped DLL
    PID:3732
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3732 -s 884
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4332
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3732 -s 932
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4260
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3732 -s 944
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4264
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3732 -s 1192
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4020
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3732 -s 1492
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4032
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3732 -s 1488
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:8
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3732 -s 1440
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:4492
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3732 -s 1744
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:4384
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3732 -s 1680
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:4372
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3732 -s 1724
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:1588
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3732 -s 1752
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:4548
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3732 -s 1780
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:4500
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3732 -s 1472
      2⤵
      • Suspicious use of NtCreateProcessExOtherParentProcess
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:760

Network

        MITRE ATT&CK Enterprise v6

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        Downloads

        memory/3732-115-0x0000000000750000-0x0000000000751000-memory.dmp
        Download

        memory/3732-117-0x0000000000400000-0x0000000000599000-memory.dmp
        Download

        memory/3732-116-0x0000000002AA0000-0x0000000002BBB000-memory.dmp
        Download