Analysis

  • max time kernel
    73s
  • max time network
    135s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    26-09-2021 16:08

General

  • Target

    298020832d7fd56e2e2f819dc1c30cb8ae4e176089c88419d5c005c39fe42a43.exe

  • Size

    1.5MB

  • MD5

    bc95676035f9689765731d9ba708b9e7

  • SHA1

    d06e72aa20cab473e7b9ded1d2363a426381e415

  • SHA256

    298020832d7fd56e2e2f819dc1c30cb8ae4e176089c88419d5c005c39fe42a43

  • SHA512

    c1d6eff6c25d509345c6c655e0ed654275c2a8ed6562ebf9ea0546fe28f25b06c729abd0e7e2c11690d1cdbb659ffc82afb8e2d0ce9a13c6a1002b2339af93bd

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\298020832d7fd56e2e2f819dc1c30cb8ae4e176089c88419d5c005c39fe42a43.exe
    "C:\Users\Admin\AppData\Local\Temp\298020832d7fd56e2e2f819dc1c30cb8ae4e176089c88419d5c005c39fe42a43.exe"
    1⤵
    • Loads dropped DLL
    PID:664
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 664 -s 920
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1148
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 664 -s 1016
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1336
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 664 -s 1068
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1424
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 664 -s 1500
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1680
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 664 -s 1452
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1788
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 664 -s 1412
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:2100
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 664 -s 1708
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:2372
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 664 -s 1416
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:2480
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 664 -s 1488
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:2700
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 664 -s 1688
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:3784
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 664 -s 1716
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:3984
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 664 -s 1724
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:3992
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 664 -s 1416
      2⤵
      • Suspicious use of NtCreateProcessExOtherParentProcess
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:4000

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/664-114-0x0000000000810000-0x0000000000811000-memory.dmp

    Filesize

    4KB

  • memory/664-116-0x0000000000400000-0x000000000057E000-memory.dmp

    Filesize

    1.5MB

  • memory/664-115-0x00000000029F0000-0x0000000002B0B000-memory.dmp

    Filesize

    1.1MB