Analysis

  • max time kernel
    93s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250314-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/03/2025, 15:33

General

  • Target

    2025-03-31_08890cbeb681ce6fe19a00fa29c878dd_frostygoop_ghostlocker_sliver.exe

  • Size

    5.9MB

  • MD5

    08890cbeb681ce6fe19a00fa29c878dd

  • SHA1

    fe29c062ff695bb5ec38617a25223edb01246a48

  • SHA256

    c88fac5471260a4600ae5d16c55a82bfe9c1e30367afcd83a46018b9e61dfaf8

  • SHA512

    d52cd0553d80cbf8808a54a1ded9d4225cc5445524214b54cee23d5cd470acea9649cf1493e9826de5ee1ad556767d3b77877dd440fbe09dc614be9214f11b9c

  • SSDEEP

    98304:QZiPUSI1yo53UM7xJ6zMA8q33nRsKRABzueL:PUSI1yoZmz8uRI

Malware Config

Signatures

  • StormKitty

    StormKitty is an open source info stealer written in C#.

  • StormKitty payload 1 IoCs
  • Stormkitty family
  • Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
  • Uses browser remote debugging 2 TTPs 5 IoCs

    Can be used control the browser and steal sensitive information such as credentials and session cookies.

  • Reads user/profile data of web browsers 3 TTPs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 6 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • System Location Discovery: System Language Discovery 1 TTPs 9 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • System Network Configuration Discovery: Wi-Fi Discovery 1 TTPs 2 IoCs

    Adversaries may search for information about Wi-Fi networks, such as network names and passwords, on compromised systems.

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 29 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 9 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3628
      • C:\Users\Admin\AppData\Local\Temp\2025-03-31_08890cbeb681ce6fe19a00fa29c878dd_frostygoop_ghostlocker_sliver.exe
        "C:\Users\Admin\AppData\Local\Temp\2025-03-31_08890cbeb681ce6fe19a00fa29c878dd_frostygoop_ghostlocker_sliver.exe"
        2⤵
        • Suspicious use of NtCreateUserProcessOtherParentProcess
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2576
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • System Location Discovery: System Language Discovery
        • Checks processor information in registry
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        • outlook_office_path
        • outlook_win_path
        PID:2284
        • C:\Windows\SysWOW64\cmd.exe
          "cmd.exe" /C chcp 65001 && netsh wlan show profile | findstr All
          3⤵
          • System Location Discovery: System Language Discovery
          • System Network Configuration Discovery: Wi-Fi Discovery
          • Suspicious use of WriteProcessMemory
          PID:1956
          • C:\Windows\SysWOW64\chcp.com
            chcp 65001
            4⤵
            • System Location Discovery: System Language Discovery
            PID:4652
          • C:\Windows\SysWOW64\netsh.exe
            netsh wlan show profile
            4⤵
            • Event Triggered Execution: Netsh Helper DLL
            • System Location Discovery: System Language Discovery
            • System Network Configuration Discovery: Wi-Fi Discovery
            PID:3240
          • C:\Windows\SysWOW64\findstr.exe
            findstr All
            4⤵
            • System Location Discovery: System Language Discovery
            PID:2692
        • C:\Windows\SysWOW64\cmd.exe
          "cmd.exe" /C chcp 65001 && netsh wlan show networks mode=bssid
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:4544
          • C:\Windows\SysWOW64\chcp.com
            chcp 65001
            4⤵
            • System Location Discovery: System Language Discovery
            PID:1188
          • C:\Windows\SysWOW64\netsh.exe
            netsh wlan show networks mode=bssid
            4⤵
            • Event Triggered Execution: Netsh Helper DLL
            • System Location Discovery: System Language Discovery
            PID:924
        • C:\Program Files\Google\Chrome\Application\chrome.exe
          "C:\Program Files\Google\Chrome\Application\chrome.exe" --window-position=-2400,-2400 --remote-debugging-port=9222 --profile-directory="Default"
          3⤵
          • Uses browser remote debugging
          • Enumerates system info in registry
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of WriteProcessMemory
          PID:4936
          • 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:4 --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=133.0.6943.60 --initial-client-data=0xf8,0xfc,0x100,0xd4,0x104,0x7ffaa6b0dcf8,0x7ffaa6b0dd04,0x7ffaa6b0dd10
            4⤵
              PID:2576
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --string-annotations --field-trial-handle=1600,i,5255148841018913160,1723857000177924972,262144 --variations-seed-version=20250313-182214.581000 --mojo-platform-channel-handle=2156 /prefetch:3
              4⤵
                PID:3644
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --string-annotations --gpu-preferences=UAAAAAAAAADgAAAEAAAAAAAAAAAAAAAAAABgAAEAAAAAAAAAAAAAAAAAAAACAAAAAAAAAAAAAAAAAAAAAAAAABAAAAAAAAAAEAAAAAAAAAAIAAAAAAAAAAgAAAAAAAAA --field-trial-handle=2124,i,5255148841018913160,1723857000177924972,262144 --variations-seed-version=20250313-182214.581000 --mojo-platform-channel-handle=2116 /prefetch:2
                4⤵
                  PID:4108
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=service --string-annotations --field-trial-handle=2304,i,5255148841018913160,1723857000177924972,262144 --variations-seed-version=20250313-182214.581000 --mojo-platform-channel-handle=2604 /prefetch:8
                  4⤵
                    PID:1892
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --string-annotations --enable-dinosaur-easter-egg-alt-images --remote-debugging-port=9222 --video-capture-use-gpu-memory-buffer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --field-trial-handle=3252,i,5255148841018913160,1723857000177924972,262144 --variations-seed-version=20250313-182214.581000 --mojo-platform-channel-handle=3276 /prefetch:1
                    4⤵
                    • Uses browser remote debugging
                    PID:1900
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --string-annotations --enable-dinosaur-easter-egg-alt-images --remote-debugging-port=9222 --video-capture-use-gpu-memory-buffer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --field-trial-handle=3284,i,5255148841018913160,1723857000177924972,262144 --variations-seed-version=20250313-182214.581000 --mojo-platform-channel-handle=3320 /prefetch:1
                    4⤵
                    • Uses browser remote debugging
                    PID:1220
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --string-annotations --extension-process --enable-dinosaur-easter-egg-alt-images --remote-debugging-port=9222 --video-capture-use-gpu-memory-buffer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --field-trial-handle=4372,i,5255148841018913160,1723857000177924972,262144 --variations-seed-version=20250313-182214.581000 --mojo-platform-channel-handle=4388 /prefetch:2
                    4⤵
                    • Uses browser remote debugging
                    PID:972
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --string-annotations --enable-dinosaur-easter-egg-alt-images --remote-debugging-port=9222 --video-capture-use-gpu-memory-buffer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --field-trial-handle=4824,i,5255148841018913160,1723857000177924972,262144 --variations-seed-version=20250313-182214.581000 --mojo-platform-channel-handle=4792 /prefetch:1
                    4⤵
                    • Uses browser remote debugging
                    PID:4320
            • C:\Program Files\Google\Chrome\Application\133.0.6943.60\elevation_service.exe
              "C:\Program Files\Google\Chrome\Application\133.0.6943.60\elevation_service.exe"
              1⤵
                PID:3808

              Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

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              Downloads

              • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\61807ed2-885e-415a-9562-e2948b808ecf.tmp

                Filesize

                2B

                MD5

                d751713988987e9331980363e24189ce

                SHA1

                97d170e1550eee4afc0af065b78cda302a97674c

                SHA256

                4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945

                SHA512

                b25b294cb4deb69ea00a4c3cf3113904801b6015e5956bd019a8570b1fe1d6040e944ef3cdee16d0a46503ca6e659a25f21cf9ceddc13f352a3c98138c15d6af

              • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State

                Filesize

                80KB

                MD5

                c7c2da35ef5528bf149fe1f4b30085e5

                SHA1

                787c06167197ba84d4d48f95152b73ee0e4d890c

                SHA256

                24f54766f4063968070cf8a97496f06cb30f4f67aaa2681cffe18a84bf7f6c7c

                SHA512

                3d27cdb4bd0318cd12dff666701d27e7a0e0026e824ad255205f2a9ad240efc1890d47646f8ba2fd01497e9ba5c71e6db16ab0705251690c1008a6610345650f

              • C:\Users\Admin\AppData\Local\Temp\212.102.63.147\Browsers\Firefox\FirefoxBookmarks.txt

                Filesize

                81B

                MD5

                ea511fc534efd031f852fcf490b76104

                SHA1

                573e5fa397bc953df5422abbeb1a52bf94f7cf00

                SHA256

                e5fe7f327ae62df007bd1117aa7f522dbbcd371ec67953f66d786424cb1d7995

                SHA512

                f7d8e575a2332b0fbd491b5e092b7ed6b0942a5165557fcc5d215d873b05103aa6ba01843133871c1c7ac81b10182a15895be49885c98d1a379dd55f88004fae

              • C:\Users\Admin\AppData\Local\Temp\212.102.63.147\System\Process.txt

                Filesize

                4KB

                MD5

                e0f24a10cf8a659e9ff9908c1b23b93a

                SHA1

                159bcadf602ce39e01fc017c2d045e389f83cdca

                SHA256

                3eaf02f6f1087a6e23d5f7b576185628cd85ebe5ad0e6784653e02ce8e31a218

                SHA512

                a802da9423c6a152d5459e83d4c0eb255bf48bc2bf8b76f5e7828944dcb4d2e40d99ca2d5b2bd83ae79bb20684383b52d5c7811c1ee6ff07e9541151fb3d7bba

              • memory/2284-3-0x0000000004B20000-0x0000000004B32000-memory.dmp

                Filesize

                72KB

              • memory/2284-6-0x00000000061B0000-0x0000000006216000-memory.dmp

                Filesize

                408KB

              • memory/2284-7-0x0000000006530000-0x00000000065C2000-memory.dmp

                Filesize

                584KB

              • memory/2284-85-0x0000000006F80000-0x0000000007524000-memory.dmp

                Filesize

                5.6MB

              • memory/2284-5-0x0000000005A10000-0x0000000005F3C000-memory.dmp

                Filesize

                5.2MB

              • memory/2284-4-0x0000000004D10000-0x0000000004ED2000-memory.dmp

                Filesize

                1.8MB

              • memory/2284-0-0x0000000000700000-0x0000000000744000-memory.dmp

                Filesize

                272KB

              • memory/2284-2-0x0000000000700000-0x0000000000744000-memory.dmp

                Filesize

                272KB

              • memory/2284-1-0x0000000074E4E000-0x0000000074E4F000-memory.dmp

                Filesize

                4KB

              • memory/2284-182-0x0000000074E4E000-0x0000000074E4F000-memory.dmp

                Filesize

                4KB