Overview

overview

10

Static

static

befcbd727e...fc.exe

windows7_x64

10

befcbd727e...fc.exe

windows10_x64

10

Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows10_x64
  • resource
    win10-en-20210920
  • submitted
    23/09/2021, 18:31

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General

  • Target
    befcbd727e44d1814bab81866fd7f6fc.exe
  • Size 1.5MB
  • Sample210923-w53e7sehcn
  • SHA256 fb8a750aa992ba705df3de5e161648c127c8341484ef3cc51c6954a2b6653a9d
  • 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\befcbd727e44d1814bab81866fd7f6fc.exe
    "C:\Users\Admin\AppData\Local\Temp\befcbd727e44d1814bab81866fd7f6fc.exe"
    1⤵
    • Loads dropped DLL
    PID:2160
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2160 -s 988
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2684
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2160 -s 1056
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3712
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2160 -s 1068
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3488
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2160 -s 1492
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2640
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2160 -s 1484
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3636
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2160 -s 1460
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:3552
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2160 -s 1152
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:588
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2160 -s 1764
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:1328
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2160 -s 1800
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:680
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2160 -s 1776
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:1068
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2160 -s 1736
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:1960
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2160 -s 1432
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:392
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2160 -s 1768
      2⤵
      • Suspicious use of NtCreateProcessExOtherParentProcess
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:900

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/2160-115-0x0000000000700000-0x0000000000701000-memory.dmp
        Download

        memory/2160-116-0x0000000002AD0000-0x0000000002BEB000-memory.dmp
        Download

        memory/2160-117-0x0000000000400000-0x000000000057E000-memory.dmp
        Download