Overview

overview

10

Static

static

77ded3c646...5b.exe

windows7_x64

10

77ded3c646...5b.exe

windows10_x64

10

Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows10_x64
  • resource
    win10-en-20210920
  • submitted
    27/09/2021, 17:45

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General

  • Target
    77ded3c6466568c0cd9f7aaed435865b.exe
  • Size 1.6MB
  • Sample210927-wbrrlshfcm
  • SHA256 24f888e40d3bab16d336bbfcd293bf393b26b253dbdd018436909484825b96d2
  • 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\77ded3c6466568c0cd9f7aaed435865b.exe
    "C:\Users\Admin\AppData\Local\Temp\77ded3c6466568c0cd9f7aaed435865b.exe"
    1⤵
    • Loads dropped DLL
    PID:2648
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2648 -s 884
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2636
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2648 -s 856
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2240
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2648 -s 944
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3528
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2648 -s 1496
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3292
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2648 -s 1712
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1088
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2648 -s 1500
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:428
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2648 -s 1736
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:1272
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2648 -s 1732
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:1292
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2648 -s 1740
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:1980
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2648 -s 1512
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:2956
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2648 -s 1816
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:524
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2648 -s 1696
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:3360
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2648 -s 1800
      2⤵
      • Suspicious use of NtCreateProcessExOtherParentProcess
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:3532

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/2648-115-0x0000000000640000-0x000000000078A000-memory.dmp
        Download

        memory/2648-117-0x0000000000400000-0x0000000000599000-memory.dmp
        Download

        memory/2648-116-0x00000000029F0000-0x0000000002B0B000-memory.dmp
        Download