Analysis

  • max time kernel
    119s
  • max time network
    151s
  • platform
    windows10_x64
  • resource
    win10-en-20210920
  • submitted
    27-09-2021 01:34

General

  • Target

    68bf623fb00d4f98711db0bd01e45d31ad05a92159bcf3426c4e6a939a12fe29.exe

  • Size

    1.5MB

  • MD5

    15462f2d88e12771bb9df7db79cf10cc

  • SHA1

    2bf501cc8a1faba634da59dc38980f5e71a087cc

  • SHA256

    68bf623fb00d4f98711db0bd01e45d31ad05a92159bcf3426c4e6a939a12fe29

  • SHA512

    d1c8be26132d7024b332961211d95290456b1ad570d4fd6e1c144fd0f43c41b57984f0ce13ba4799e4effed02c96b0296f6063d8889e456477e9c2f5e67ebf64

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\68bf623fb00d4f98711db0bd01e45d31ad05a92159bcf3426c4e6a939a12fe29.exe
    "C:\Users\Admin\AppData\Local\Temp\68bf623fb00d4f98711db0bd01e45d31ad05a92159bcf3426c4e6a939a12fe29.exe"
    1⤵
    • Loads dropped DLL
    PID:2168
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2168 -s 996
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2612
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2168 -s 1056
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2812
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2168 -s 1096
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3496
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2168 -s 1492
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3052
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2168 -s 1492
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2136
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2168 -s 1648
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:4084
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2168 -s 1704
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:3916
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2168 -s 1668
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:1284
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2168 -s 1704
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:1044
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2168 -s 1736
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:940
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2168 -s 1772
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:2632
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2168 -s 1420
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:912
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2168 -s 1840
      2⤵
      • Suspicious use of NtCreateProcessExOtherParentProcess
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:3960

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • \ProgramData\mozglue.dll

    MD5

    8f73c08a9660691143661bf7332c3c27

    SHA1

    37fa65dd737c50fda710fdbde89e51374d0c204a

    SHA256

    3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd

    SHA512

    0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89

  • \ProgramData\nss3.dll

    MD5

    bfac4e3c5908856ba17d41edcd455a51

    SHA1

    8eec7e888767aa9e4cca8ff246eb2aacb9170428

    SHA256

    e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78

    SHA512

    2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66

  • memory/2168-115-0x0000000000730000-0x0000000000731000-memory.dmp

    Filesize

    4KB

  • memory/2168-116-0x0000000002A40000-0x0000000002B5B000-memory.dmp

    Filesize

    1.1MB

  • memory/2168-117-0x0000000000400000-0x000000000057E000-memory.dmp

    Filesize

    1.5MB