Overview

overview

10

Static

static

fa50db7d66...1d.exe

windows7_x64

10

fa50db7d66...1d.exe

windows10_x64

10

Analysis

  • max time kernel
    112s
  • max time network
    131s
  • platform
    windows10_x64
  • resource
    win10-en-20210920
  • submitted
    27/09/2021, 16:37

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General

  • Target
    fa50db7d666e301588ebfa28f23d7a1d.exe
  • Size 1.6MB
  • Sample210927-t4vymaheb2
  • SHA256 0af6e602d9429e31e2a3b2b58fdac97f63f84979fdb0f5398e075414baccbd67
  • 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\fa50db7d666e301588ebfa28f23d7a1d.exe
    "C:\Users\Admin\AppData\Local\Temp\fa50db7d666e301588ebfa28f23d7a1d.exe"
    1⤵
    • Loads dropped DLL
    PID:3464
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3464 -s 756
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3864
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3464 -s 740
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4196
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3464 -s 952
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3020
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3464 -s 1196
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:764
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3464 -s 1504
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3156
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3464 -s 1512
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:4060
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3464 -s 1500
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:1924
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3464 -s 1536
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:2288
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3464 -s 1672
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:4288
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3464 -s 1684
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:4264
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3464 -s 1748
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:1824
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3464 -s 1808
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:4536
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3464 -s 1736
      2⤵
      • Suspicious use of NtCreateProcessExOtherParentProcess
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:4424

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/3464-115-0x00000000006D0000-0x000000000081A000-memory.dmp
        Download

        memory/3464-116-0x00000000029E0000-0x0000000002AFB000-memory.dmp
        Download

        memory/3464-117-0x0000000000400000-0x0000000000599000-memory.dmp
        Download