Analysis

  • max time kernel
    144s
  • max time network
    147s
  • platform
    windows10_x64
  • resource
    win10-en-20210920
  • submitted
    27-09-2021 01:24

General

  • Target

    ea9265755d728129e8ef4f75be1e469c736e00d56855efc83e51bff2f6e1cb6d.exe

  • Size

    1.5MB

  • MD5

    10f2cc4211abbe1c14de7f5f9f875535

  • SHA1

    db4f00bedb52ec5c9460cf863418f289ad0c292b

  • SHA256

    ea9265755d728129e8ef4f75be1e469c736e00d56855efc83e51bff2f6e1cb6d

  • SHA512

    2de9496ce7c5ebee94cee10ae2996974759ae71da28f234011793905d17c275a4c5a5b7b018e1a0eba94ea72e29ba36677b4f23f6246c22d1a97274d2c17a4db

Score
10/10

Malware Config

Signatures

  • Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs
  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Vidar Stealer 2 IoCs
  • 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.

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\ea9265755d728129e8ef4f75be1e469c736e00d56855efc83e51bff2f6e1cb6d.exe
    "C:\Users\Admin\AppData\Local\Temp\ea9265755d728129e8ef4f75be1e469c736e00d56855efc83e51bff2f6e1cb6d.exe"
    1⤵
    • Loads dropped DLL
    PID:3800
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3800 -s 920
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4200
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3800 -s 1056
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:752
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3800 -s 1068
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4372
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3800 -s 1496
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4088
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3800 -s 1496
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1540
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3800 -s 1708
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:4392
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3800 -s 1416
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:4420
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3800 -s 1812
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:4396
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3800 -s 1848
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:1840
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3800 -s 1832
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:4532
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3800 -s 1908
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:4584
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3800 -s 1768
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:4500
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3800 -s 1492
      2⤵
      • Suspicious use of NtCreateProcessExOtherParentProcess
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:4456

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • \ProgramData\mozglue.dll

    MD5

    8f73c08a9660691143661bf7332c3c27

    SHA1

    37fa65dd737c50fda710fdbde89e51374d0c204a

    SHA256

    3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd

    SHA512

    0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89

  • \ProgramData\nss3.dll

    MD5

    bfac4e3c5908856ba17d41edcd455a51

    SHA1

    8eec7e888767aa9e4cca8ff246eb2aacb9170428

    SHA256

    e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78

    SHA512

    2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66

  • memory/3800-115-0x0000000000810000-0x0000000000811000-memory.dmp

    Filesize

    4KB

  • memory/3800-117-0x0000000000400000-0x000000000057E000-memory.dmp

    Filesize

    1.5MB

  • memory/3800-116-0x0000000002A70000-0x0000000002B8B000-memory.dmp

    Filesize

    1.1MB