Analysis

  • max time kernel
    101s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-01-2023 07:40

General

  • Target

    4ba96ecdcdfa746de28a0ee3ef474842e829917c9486ace35ec4cc2fa1ad956f.exe

  • Size

    5.6MB

  • MD5

    7f10125be56d12f583d799ab88e39bf9

  • SHA1

    9c4b2170f21b1752729b260a59f730ab97aa27ca

  • SHA256

    4ba96ecdcdfa746de28a0ee3ef474842e829917c9486ace35ec4cc2fa1ad956f

  • SHA512

    56a4fff01280f79171f3bd28e4fb40c5d09614ee67679b396bbfdec5efbb63f5e0b96105c687eb2beaa44eab0851da386ad0f7a7ab533483a2745641e15a3b4d

  • SSDEEP

    98304:9YFkXiz3FcBnd1X0HHdWHp9TRRhTcRQVhLhLkSr8DKOrbkC8+1tSj0yu:uFm8GJd1X0HHdULmy9SqsBl8+1tSjt

Malware Config

Signatures

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

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

  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Accesses Microsoft Outlook profiles 1 TTPs 4 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 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 3 IoCs
  • Checks processor information in registry 2 TTPs 48 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4ba96ecdcdfa746de28a0ee3ef474842e829917c9486ace35ec4cc2fa1ad956f.exe
    "C:\Users\Admin\AppData\Local\Temp\4ba96ecdcdfa746de28a0ee3ef474842e829917c9486ace35ec4cc2fa1ad956f.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Checks processor information in registry
    • Suspicious use of WriteProcessMemory
    PID:2700
    • C:\Users\Admin\AppData\Local\Temp\Proueehaoipr.exe
      "C:\Users\Admin\AppData\Local\Temp\Proueehaoipr.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2484
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2484 -s 408
        3⤵
        • Program crash
        PID:4772
    • C:\Windows\SysWOW64\rundll32.exe
      "C:\Windows\syswow64\rundll32.exe" "C:\Windows\syswow64\shell32.dll",#61
      2⤵
      • Accesses Microsoft Outlook accounts
      • Accesses Microsoft Outlook profiles
      • Checks processor information in registry
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • outlook_office_path
      • outlook_win_path
      PID:4776
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2700 -s 1408
      2⤵
      • Program crash
      PID:4916
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2484 -ip 2484
    1⤵
      PID:4284
    • C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe" --no-first-run --no-default-browser-check --silent-launch --disable-backgrounding-occluded-windows --disable-background-timer-throttling --ran-launcher --profile-directory="Default"
      1⤵
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Enumerates system info in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2520
      • C:\Program Files\Google\Chrome\Application\chrome.exe
        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=89.0.4389.114 --initial-client-data=0xfc,0x100,0x104,0xd8,0x108,0x7ff99dbf4f50,0x7ff99dbf4f60,0x7ff99dbf4f70
        2⤵
          PID:564
        • C:\Program Files\Google\Chrome\Application\chrome.exe
          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --field-trial-handle=1660,11221128713433209021,12695730057479660597,131072 --gpu-preferences=SAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=1680 /prefetch:2
          2⤵
            PID:4780
          • C:\Program Files\Google\Chrome\Application\chrome.exe
            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=1660,11221128713433209021,12695730057479660597,131072 --lang=en-US --service-sandbox-type=network --mojo-platform-channel-handle=2000 /prefetch:8
            2⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:5024
          • C:\Program Files\Google\Chrome\Application\chrome.exe
            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=1660,11221128713433209021,12695730057479660597,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2332 /prefetch:8
            2⤵
              PID:3716
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=1660,11221128713433209021,12695730057479660597,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3496 /prefetch:8
              2⤵
                PID:2852
              • C:\Windows\system32\WerFault.exe
                C:\Windows\system32\WerFault.exe -u -p 2520 -s 3608
                2⤵
                • Program crash
                PID:3108
            • C:\Windows\System32\CompPkgSrv.exe
              C:\Windows\System32\CompPkgSrv.exe -Embedding
              1⤵
                PID:432
              • C:\Windows\system32\WerFault.exe
                C:\Windows\system32\WerFault.exe -pss -s 492 -p 2520 -ip 2520
                1⤵
                  PID:2888
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 2700 -ip 2700
                  1⤵
                    PID:440

                  Network

                  MITRE ATT&CK Enterprise v6

                  Replay Monitor

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                  Downloads

                  • C:\Users\Admin\AppData\Local\Temp\Proueehaoipr.exe

                    Filesize

                    1.4MB

                    MD5

                    0017e42192b6c10efb15d05157945f31

                    SHA1

                    fc32205f3153d4e98b5f1be1caf8545945307ae6

                    SHA256

                    11333749aa43d97da7da9a9f9589a50d8ec497aa931ed3c0cb6876f302be22e6

                    SHA512

                    cdaa5c1d28a4bc9d323c62a27a735f77a93b6218c806a189a1e0c4827268bf2d7727a630d2c4ddb2862cd670d2352cadc5cd4edaddce5c244c1517bf450db3d4

                  • C:\Users\Admin\AppData\Local\Temp\Proueehaoipr.exe

                    Filesize

                    1.4MB

                    MD5

                    0017e42192b6c10efb15d05157945f31

                    SHA1

                    fc32205f3153d4e98b5f1be1caf8545945307ae6

                    SHA256

                    11333749aa43d97da7da9a9f9589a50d8ec497aa931ed3c0cb6876f302be22e6

                    SHA512

                    cdaa5c1d28a4bc9d323c62a27a735f77a93b6218c806a189a1e0c4827268bf2d7727a630d2c4ddb2862cd670d2352cadc5cd4edaddce5c244c1517bf450db3d4

                  • memory/2484-156-0x000000000234C000-0x000000000247E000-memory.dmp

                    Filesize

                    1.2MB

                  • memory/2484-157-0x0000000002480000-0x00000000025B3000-memory.dmp

                    Filesize

                    1.2MB

                  • memory/2484-158-0x0000000000400000-0x000000000057B000-memory.dmp

                    Filesize

                    1.5MB

                  • memory/2700-141-0x00000000080C0000-0x0000000008200000-memory.dmp

                    Filesize

                    1.2MB

                  • memory/2700-132-0x00000000028CE000-0x0000000002E3B000-memory.dmp

                    Filesize

                    5.4MB

                  • memory/2700-140-0x00000000080C0000-0x0000000008200000-memory.dmp

                    Filesize

                    1.2MB

                  • memory/2700-142-0x00000000080C0000-0x0000000008200000-memory.dmp

                    Filesize

                    1.2MB

                  • memory/2700-143-0x00000000080C0000-0x0000000008200000-memory.dmp

                    Filesize

                    1.2MB

                  • memory/2700-144-0x00000000080C0000-0x0000000008200000-memory.dmp

                    Filesize

                    1.2MB

                  • memory/2700-145-0x00000000080C0000-0x0000000008200000-memory.dmp

                    Filesize

                    1.2MB

                  • memory/2700-138-0x0000000007310000-0x0000000007E67000-memory.dmp

                    Filesize

                    11.3MB

                  • memory/2700-147-0x00000000080C0000-0x0000000008200000-memory.dmp

                    Filesize

                    1.2MB

                  • memory/2700-146-0x00000000080C0000-0x0000000008200000-memory.dmp

                    Filesize

                    1.2MB

                  • memory/2700-163-0x0000000000400000-0x00000000009C0000-memory.dmp

                    Filesize

                    5.8MB

                  • memory/2700-162-0x0000000007310000-0x0000000007E67000-memory.dmp

                    Filesize

                    11.3MB

                  • memory/2700-161-0x0000000000400000-0x00000000009C0000-memory.dmp

                    Filesize

                    5.8MB

                  • memory/2700-133-0x0000000002E40000-0x00000000033FE000-memory.dmp

                    Filesize

                    5.7MB

                  • memory/2700-134-0x0000000000400000-0x00000000009C0000-memory.dmp

                    Filesize

                    5.8MB

                  • memory/2700-139-0x0000000007310000-0x0000000007E67000-memory.dmp

                    Filesize

                    11.3MB

                  • memory/4776-155-0x0000000003900000-0x0000000003A40000-memory.dmp

                    Filesize

                    1.2MB

                  • memory/4776-154-0x0000000003900000-0x0000000003A40000-memory.dmp

                    Filesize

                    1.2MB

                  • memory/4776-153-0x0000000003900000-0x0000000003A40000-memory.dmp

                    Filesize

                    1.2MB

                  • memory/4776-159-0x0000000002CA0000-0x00000000037F7000-memory.dmp

                    Filesize

                    11.3MB

                  • memory/4776-152-0x0000000003900000-0x0000000003A40000-memory.dmp

                    Filesize

                    1.2MB

                  • memory/4776-151-0x0000000002CA0000-0x00000000037F7000-memory.dmp

                    Filesize

                    11.3MB

                  • memory/4776-150-0x0000000002CA0000-0x00000000037F7000-memory.dmp

                    Filesize

                    11.3MB

                  • memory/4776-149-0x0000000000E50000-0x0000000001887000-memory.dmp

                    Filesize

                    10.2MB