Analysis

  • max time kernel
    76s
  • max time network
    116s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-09-2022 13:28

General

  • Target

    Fattoruso Tech Srl RFQ.exe

  • Size

    620KB

  • MD5

    260f6e729e919bef46b9fde9584e62cf

  • SHA1

    f9861fe9d82a7d8ac405b6a4adf8ebae60133692

  • SHA256

    021a0fc05ac41240f0388f147781324d51e1a31ce772a628d7ad9705aad3a8d4

  • SHA512

    6fd3caf7b08706ee8e24c60caf5d90d5a49091ebf362222fbdf4a40d8f20f0f658be318f67ca1f559ac9f5e56e5bfffff395e7b3f3f826a48d4f393016edadd6

  • SSDEEP

    12288:HToPWBv/cpGrU3yx3meidRqvZuyd+ZgBNV9W3PkdE:HTbBv5rUKm20y8ZgN94KE

Malware Config

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    ftp.lizaneya.com
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    @lizaneya.com

Signatures

  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Loads dropped DLL 1 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Drops file in System32 directory 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Fattoruso Tech Srl RFQ.exe
    "C:\Users\Admin\AppData\Local\Temp\Fattoruso Tech Srl RFQ.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3300
    • C:\Users\Admin\AppData\Local\Temp\wtwneqwyfkze.exe
      "C:\Users\Admin\AppData\Local\Temp\wtwneqwyfkze.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:4596
      • C:\Users\Admin\AppData\Local\Temp\wtwneqwyfkze.exe
        "C:\Users\Admin\AppData\Local\Temp\wtwneqwyfkze.exe"
        3⤵
        • Loads dropped DLL
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:5016
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4596 -s 460
        3⤵
        • Program crash
        PID:2024
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4596 -ip 4596
    1⤵
      PID:4928
    • C:\Windows\system32\mmc.exe
      "C:\Windows\system32\mmc.exe" "C:\Windows\system32\services.msc"
      1⤵
      • Drops file in System32 directory
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:4608

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Credential Access

    Credentials in Files

    3
    T1081

    Discovery

    Query Registry

    1
    T1012

    System Information Discovery

    2
    T1082

    Collection

    Data from Local System

    3
    T1005

    Email Collection

    1
    T1114

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\bezxgqnld.f
      Filesize

      4KB

      MD5

      df7b91634fc1d56dd3048980a8bf6d33

      SHA1

      716b83bec07c9a05d90478d71f456ddabd4877c2

      SHA256

      272a642d13de5d72710d59b26900bc314569be5b29f220aded6dd81057b352e7

      SHA512

      893ace0e57401f78e02f42c362aa8579282988c013916580f6736ecfd8b77bce5d086838d4938d49a0eedccd544698bae4fd66bf625adc4d7f85bd44ab2756f2

    • C:\Users\Admin\AppData\Local\Temp\qdonaofiwo.y
      Filesize

      287KB

      MD5

      b9ed3775ace564793d6474ed8457c7c8

      SHA1

      e325a2da394bed7a9b3d40106a5949164bcb9ca0

      SHA256

      a3ad142d0725d1e759c50d76d8e74aff30ead2c3160d088d14eaca17a30bbd72

      SHA512

      154862300a9c1f1a0125bdcaf69968e58a3e7ff966e3a106d4f1e75226723631ed59c1fe0f82e73c4376ef2344d4645f356cfb7853375b5ed451ea20553a49fe

    • C:\Users\Admin\AppData\Local\Temp\wtwneqwyfkze.exe
      Filesize

      56KB

      MD5

      1621979c40f8555bcdc436d9ddf1e0d2

      SHA1

      6632b1e5c58e7df15cdfb47f40f531627138e956

      SHA256

      194ddf309c2471eccfedd7327bbcdc44e0a5f1b0f692f13b57b166909d52c6ec

      SHA512

      f393d182487ceebca7f62a506b316a2058b67ea682ad5a533f4563e958e290d35cf954f497177716915aee38b976eb8dae626cee237a1426bf90cbda6572f153

    • C:\Users\Admin\AppData\Local\Temp\wtwneqwyfkze.exe
      Filesize

      56KB

      MD5

      1621979c40f8555bcdc436d9ddf1e0d2

      SHA1

      6632b1e5c58e7df15cdfb47f40f531627138e956

      SHA256

      194ddf309c2471eccfedd7327bbcdc44e0a5f1b0f692f13b57b166909d52c6ec

      SHA512

      f393d182487ceebca7f62a506b316a2058b67ea682ad5a533f4563e958e290d35cf954f497177716915aee38b976eb8dae626cee237a1426bf90cbda6572f153

    • C:\Users\Admin\AppData\Local\Temp\wtwneqwyfkze.exe
      Filesize

      56KB

      MD5

      1621979c40f8555bcdc436d9ddf1e0d2

      SHA1

      6632b1e5c58e7df15cdfb47f40f531627138e956

      SHA256

      194ddf309c2471eccfedd7327bbcdc44e0a5f1b0f692f13b57b166909d52c6ec

      SHA512

      f393d182487ceebca7f62a506b316a2058b67ea682ad5a533f4563e958e290d35cf954f497177716915aee38b976eb8dae626cee237a1426bf90cbda6572f153

    • memory/4596-132-0x0000000000000000-mapping.dmp
    • memory/5016-137-0x0000000000000000-mapping.dmp
    • memory/5016-139-0x0000000005A20000-0x0000000005FC4000-memory.dmp
      Filesize

      5.6MB

    • memory/5016-140-0x0000000005560000-0x00000000055FC000-memory.dmp
      Filesize

      624KB

    • memory/5016-141-0x00000000064B0000-0x0000000006516000-memory.dmp
      Filesize

      408KB

    • memory/5016-142-0x0000000006930000-0x0000000006980000-memory.dmp
      Filesize

      320KB

    • memory/5016-143-0x0000000006EA0000-0x0000000006F32000-memory.dmp
      Filesize

      584KB

    • memory/5016-144-0x0000000006E50000-0x0000000006E5A000-memory.dmp
      Filesize

      40KB