Analysis

  • max time kernel
    118s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    25/09/2024, 19:06

General

  • Target
    Z-Launcher-GPS5.exe
  • Size 1.6MB
  • Sample240925-xsgteascpp
  • SHA256 5b9a78809c6718019832322023e94982761032adb51e1a44ba139d4f63369542
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • stealerium

C2
  • https://discord.com/api/webhooks/1279142597218013264/8mlljrcp8pu-na1Kxr-pwaQv-IeIN4qXz3iwqKTXrY-DPCA89wjqOAQeRKn7qMqu3BR6

Signatures

  • Stealerium

    An open source info stealer written in C# first seen in May 2022.

  • 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
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Looks up external IP address via web service 1 IoCs

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

  • 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.

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 8 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 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 14 IoCs
  • Suspicious use of FindShellTrayWindow 34 IoCs
  • Suspicious use of SendNotifyMessage 32 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Z-Launcher-GPS5.exe
    "C:\Users\Admin\AppData\Local\Temp\Z-Launcher-GPS5.exe"
    1⤵
    • 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:2936
    • C:\Windows\SysWOW64\cmd.exe
      "cmd.exe" /C chcp 65001 && netsh wlan show profile | findstr All
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Wi-Fi Discovery
      • Suspicious use of WriteProcessMemory
      PID:2256
      • C:\Windows\SysWOW64\chcp.com
        chcp 65001
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2864
      • C:\Windows\SysWOW64\netsh.exe
        netsh wlan show profile
        3⤵
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Wi-Fi Discovery
        PID:2016
      • C:\Windows\SysWOW64\findstr.exe
        findstr All
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2664
    • C:\Windows\SysWOW64\cmd.exe
      "cmd.exe" /C chcp 65001 && netsh wlan show networks mode=bssid
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2340
      • C:\Windows\SysWOW64\chcp.com
        chcp 65001
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2324
      • C:\Windows\SysWOW64\netsh.exe
        netsh wlan show networks mode=bssid
        3⤵
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:1968
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2936 -s 2536
      2⤵
      • Program crash
      PID:2120
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1560
  • C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe"
    1⤵
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:2264
    • 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=106.0.5249.119 --initial-client-data=0xc0,0xc4,0xc8,0x94,0xcc,0x7fef7789758,0x7fef7789768,0x7fef7789778
      2⤵
        PID:1768
      • C:\Program Files\Google\Chrome\Application\chrome.exe
        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1120 --field-trial-handle=1252,i,5475554662549712792,14701451192088499644,131072 /prefetch:2
        2⤵
          PID:1944
        • 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 --mojo-platform-channel-handle=1536 --field-trial-handle=1252,i,5475554662549712792,14701451192088499644,131072 /prefetch:8
          2⤵
            PID:1264
          • 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=utility --mojo-platform-channel-handle=1620 --field-trial-handle=1252,i,5475554662549712792,14701451192088499644,131072 /prefetch:8
            2⤵
              PID:932
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --first-renderer-process --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=2304 --field-trial-handle=1252,i,5475554662549712792,14701451192088499644,131072 /prefetch:1
              2⤵
                PID:2492
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=2312 --field-trial-handle=1252,i,5475554662549712792,14701451192088499644,131072 /prefetch:1
                2⤵
                  PID:1844
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --use-gl=angle --use-angle=swiftshader-webgl --mojo-platform-channel-handle=1500 --field-trial-handle=1252,i,5475554662549712792,14701451192088499644,131072 /prefetch:2
                  2⤵
                    PID:2572
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --mojo-platform-channel-handle=1400 --field-trial-handle=1252,i,5475554662549712792,14701451192088499644,131072 /prefetch:1
                    2⤵
                      PID:1924
                    • 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 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=3480 --field-trial-handle=1252,i,5475554662549712792,14701451192088499644,131072 /prefetch:8
                      2⤵
                        PID:3004
                      • 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 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=3600 --field-trial-handle=1252,i,5475554662549712792,14701451192088499644,131072 /prefetch:8
                        2⤵
                          PID:836
                        • 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 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=1388 --field-trial-handle=1252,i,5475554662549712792,14701451192088499644,131072 /prefetch:8
                          2⤵
                            PID:2384
                          • 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 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=3620 --field-trial-handle=1252,i,5475554662549712792,14701451192088499644,131072 /prefetch:8
                            2⤵
                              PID:2776
                            • C:\Program Files\Google\Chrome\Application\chrome.exe
                              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3808 --field-trial-handle=1252,i,5475554662549712792,14701451192088499644,131072 /prefetch:8
                              2⤵
                                PID:2792
                            • C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe
                              "C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe"
                              1⤵
                                PID:2708

                              Network

                                    MITRE ATT&CK Enterprise v15

                                    Replay Monitor

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                                    Downloads

                                    Bookmarks.txt

                                    • Path C:\Users\Admin\AppData\Local\33a044bb646f624279445a20c9329b6f\Admin@ELZYPTFV_en-US\Browsers\Firefox\Bookmarks.txt
                                    • Size 105B
                                    • SHA256 c84c98bbf5e0ef9c8d0708b5d60c5bb656b7d6be5135d7f7a8d25557e08cf142
                                    • MD5 SHA1 SHA512

                                    Startup.txt

                                    • Path C:\Users\Admin\AppData\Local\33a044bb646f624279445a20c9329b6f\Admin@ELZYPTFV_en-US\Directories\Startup.txt
                                    • Size 24B
                                    • SHA256 889ed51f9c16a4b989bda57957d3e132b1a9c117ee84e208207f2fa208a59483
                                    • MD5 SHA1 SHA512

                                    Videos.txt

                                    • Path C:\Users\Admin\AppData\Local\33a044bb646f624279445a20c9329b6f\Admin@ELZYPTFV_en-US\Directories\Videos.txt
                                    • Size 23B
                                    • SHA256 a67aa329b7d878de61671e18cd2f4b011d11cbac67ea779818c6dafad2d70733
                                    • MD5 SHA1 SHA512

                                    Apps.txt

                                    • Path C:\Users\Admin\AppData\Local\33a044bb646f624279445a20c9329b6f\Admin@ELZYPTFV_en-US\System\Apps.txt
                                    • Size 6KB
                                    • SHA256 92e1af080111ecf2b55da63da61f7d208025c7efe8a44175a3bccdb95d56846d
                                    • MD5 SHA1 SHA512 SSDEEP

                                    Debug.txt

                                    • Path C:\Users\Admin\AppData\Local\33a044bb646f624279445a20c9329b6f\Admin@ELZYPTFV_en-US\System\Debug.txt
                                    • Size 320B
                                    • SHA256 796876d2832f30410538bff33590909ca72ea9ac4e26bb89ba98fec9568bbd66
                                    • MD5 SHA1 SHA512

                                    ProductKey.txt

                                    • Path C:\Users\Admin\AppData\Local\33a044bb646f624279445a20c9329b6f\Admin@ELZYPTFV_en-US\System\ProductKey.txt
                                    • Size 29B
                                    • SHA256 dc288491fadc4a85e71085890e3d6a7746e99a317cd5ef09a30272dfb10398c0
                                    • MD5 SHA1 SHA512

                                    000006.dbtmp

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\GCM Store\Encryption\000006.dbtmp
                                    • Size 16B
                                    • SHA256 4166bf17b2da789b0d0cc5c74203041d98005f5d4ef88c27e8281e00148cd611
                                    • MD5 SHA1 SHA512

                                    data_1

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\GPUCache\data_1
                                    • Size 264KB
                                    • SHA256 b1e963d702392fb7224786e7d56d43973e9b9efd1b89c17814d7c558ffc0cdec
                                    • MD5 SHA1 SHA512 SSDEEP

                                    000007.dbtmp

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Site Characteristics Database\000007.dbtmp
                                    • Size 16B
                                    • SHA256 8af72f43857550b01eab1019335772b367a17a9884a7a759fdf4fe6f272b90aa
                                    • MD5 SHA1 SHA512

                                    memory/2936-9-0x0000000074D0E000-0x0000000074D0F000-memory.dmp

                                    memory/2936-8-0x00000000006C0000-0x00000000006C8000-memory.dmp

                                    memory/2936-11-0x0000000000930000-0x000000000093A000-memory.dmp

                                    memory/2936-133-0x00000000062A0000-0x000000000631A000-memory.dmp

                                    memory/2936-12-0x0000000000940000-0x0000000000948000-memory.dmp

                                    memory/2936-10-0x0000000074D00000-0x00000000753EE000-memory.dmp

                                    memory/2936-0-0x0000000074D0E000-0x0000000074D0F000-memory.dmp

                                    memory/2936-13-0x00000000009E0000-0x00000000009FE000-memory.dmp

                                    memory/2936-197-0x0000000005EC0000-0x0000000005F72000-memory.dmp

                                    memory/2936-199-0x0000000074D00000-0x00000000753EE000-memory.dmp

                                    memory/2936-7-0x0000000000710000-0x0000000000736000-memory.dmp

                                    memory/2936-6-0x0000000001260000-0x00000000012F2000-memory.dmp

                                    memory/2936-2-0x0000000074D00000-0x00000000753EE000-memory.dmp

                                    memory/2936-1-0x00000000012F0000-0x000000000148C000-memory.dmp