Analysis

  • max time kernel
    149s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2024 17:50

General

  • Target

    1337 SteamACC Stealer Private/data/bin.exe

  • Size

    2.6MB

  • MD5

    e0a4b559ece736a296ac46f718d4f3a2

  • SHA1

    b6c3995713b0447d5da26e8fe0be34bac1385a6c

  • SHA256

    86d570622651ce8ad89cb880760772ec0da59552042d13e2f78711107d9f0ac2

  • SHA512

    5e14b3f43ff4279c1f2f1d36828e997db8b2e9f000662d089d03869771b47fbb91d1fd5628dd513ca2c3f89a21820f29dbf39071f152e8e9683c7b3bc2cea165

  • SSDEEP

    49152:P25W4DTnrJlEHeviIi0JO40H5oahF2hqDt2+4qhLvucrBTfRxvHWNVN:e5W4n9lEHQX5HwdhIhqt2+vhLGABDO

Malware Config

Signatures

  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Drops startup file 1 IoCs
  • Executes dropped EXE 5 IoCs
  • Themida packer 1 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops file in System32 directory 11 IoCs
  • Drops file in Windows directory 9 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 14 IoCs

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

  • Modifies registry class 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 15 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 9 IoCs
  • Suspicious use of WriteProcessMemory 30 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1337 SteamACC Stealer Private\data\bin.exe
    "C:\Users\Admin\AppData\Local\Temp\1337 SteamACC Stealer Private\data\bin.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    PID:428
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:3664
    • C:\Users\Admin\AppData\Local\Temp\1337 SteamACC Stealer Private\1337 SteamACC Stealer Private.exe
      "C:\Users\Admin\AppData\Local\Temp\1337 SteamACC Stealer Private\1337 SteamACC Stealer Private.exe"
      1⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1300
      • C:\Users\Admin\AppData\Local\Temp\1337 SteamACC Stealer Private\data\Launcher.exe
        "C:\Users\Admin\AppData\Local\Temp\1337 SteamACC Stealer Private\data\Launcher.exe"
        2⤵
        • Drops startup file
        • Adds Run key to start application
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1668
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" add-mppreference -exclusionpath C:\Windows\IMF\
          3⤵
          • Command and Scripting Interpreter: PowerShell
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:224
        • C:\Windows\IMF\Windows Services.exe
          "C:\Windows\IMF\Windows Services.exe" {Arguments If Needed}
          3⤵
          • Checks computer location settings
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:4280
          • C:\Windows\IMF\Secure System Shell.exe
            "C:\Windows\IMF\Secure System Shell.exe"
            4⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:2504
          • C:\Windows\IMF\Runtime Explorer.exe
            "C:\Windows\IMF\Runtime Explorer.exe"
            4⤵
            • Checks computer location settings
            • Executes dropped EXE
            • Adds Run key to start application
            • System Location Discovery: System Language Discovery
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:4260
            • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
              "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" add-mppreference -exclusionpath C:\Users\Admin\AppData\Roaming\
              5⤵
              • Command and Scripting Interpreter: PowerShell
              • System Location Discovery: System Language Discovery
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:4116
      • C:\Users\Admin\AppData\Local\Temp\1337 SteamACC Stealer Private\data\bin.exe
        "C:\Users\Admin\AppData\Local\Temp\1337 SteamACC Stealer Private\data\bin.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:2540
    • C:\Windows\system32\NOTEPAD.EXE
      "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\1337 SteamACC Stealer Private\Virus Total\scan.txt
      1⤵
        PID:4544
      • C:\Windows\system32\mspaint.exe
        "C:\Windows\system32\mspaint.exe" "C:\Users\Admin\AppData\Local\Temp\1337 SteamACC Stealer Private\Screenshot.jpg" /ForceBootstrapPaint3D
        1⤵
        • Modifies registry class
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        PID:3052
      • C:\Windows\System32\svchost.exe
        C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s DsSvc
        1⤵
        • Drops file in System32 directory
        PID:560
      • C:\Windows\system32\OpenWith.exe
        C:\Windows\system32\OpenWith.exe -Embedding
        1⤵
        • Suspicious use of SetWindowsHookEx
        PID:3680
      • C:\Windows\system32\mspaint.exe
        "C:\Windows\system32\mspaint.exe" "C:\Users\Admin\AppData\Local\Temp\1337 SteamACC Stealer Private\Screenshot.jpg" /ForceBootstrapPaint3D
        1⤵
        • Modifies registry class
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        PID:1212
      • C:\Windows\system32\OpenWith.exe
        C:\Windows\system32\OpenWith.exe -Embedding
        1⤵
        • Suspicious use of SetWindowsHookEx
        PID:4376
      • C:\Users\Admin\AppData\Local\Temp\1337 SteamACC Stealer Private\1337 SteamACC Stealer Private.exe
        "C:\Users\Admin\AppData\Local\Temp\1337 SteamACC Stealer Private\1337 SteamACC Stealer Private.exe"
        1⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:908
        • C:\Users\Admin\AppData\Local\Temp\1337 SteamACC Stealer Private\data\Launcher.exe
          "C:\Users\Admin\AppData\Local\Temp\1337 SteamACC Stealer Private\data\Launcher.exe"
          2⤵
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3124
        • C:\Users\Admin\AppData\Local\Temp\1337 SteamACC Stealer Private\data\bin.exe
          "C:\Users\Admin\AppData\Local\Temp\1337 SteamACC Stealer Private\data\bin.exe"
          2⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          PID:408
      • C:\Users\Admin\AppData\Local\Temp\1337 SteamACC Stealer Private\data\server.exe
        "C:\Users\Admin\AppData\Local\Temp\1337 SteamACC Stealer Private\data\server.exe"
        1⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:856
        • C:\Users\Admin\AppData\Local\Temp1337SteamLogin.exe
          C:\Users\Admin\AppData\Local\Temp1337SteamLogin.exe
          2⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:2028

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\1337 SteamACC Stealer Private.exe.log

        Filesize

        1KB

        MD5

        17573558c4e714f606f997e5157afaac

        SHA1

        13e16e9415ceef429aaf124139671ebeca09ed23

        SHA256

        c18db6aecad2436da4a63ff26af4e3a337cca48f01c21b8db494fe5ccc60e553

        SHA512

        f4edf13f05a0d142e4dd42802098c8c44988ee8869621a62c2b565a77c9a95857f636583ff8d6d9baa366603d98b9bfbf1fc75bc6f9f8f83c80cb1215b2941cc

      • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Launcher.exe.log

        Filesize

        1KB

        MD5

        b5291f3dcf2c13784e09a057f2e43d13

        SHA1

        fbb72f4b04269e0d35b1d9c29d02d63dbc7ad07e

        SHA256

        ad995b51344d71019f96fc3a424de00256065daad8595ff599f6849c87ae75ce

        SHA512

        11c89caac425bccaa24e2bb24c6f2b4e6d6863278bf8a5304a42bb44475b08ca586e09143e7d5b14db7f1cd9adacd5358769e0d999dc348073431031067bd4d4

      • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

        Filesize

        2KB

        MD5

        968cb9309758126772781b83adb8a28f

        SHA1

        8da30e71accf186b2ba11da1797cf67f8f78b47c

        SHA256

        92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

        SHA512

        4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

      • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

        Filesize

        18KB

        MD5

        554492c69c39706b9d6dd154c04bfffd

        SHA1

        36792f53afbd983ff1f1bd55424f61c9efced17a

        SHA256

        9d465fe3c1af96d659545b658ab1f54b402835e41bb3b677198766777c4c8afa

        SHA512

        82bb7321cb6976ccde2f0f6d635913ee7cd59a1c2dee06359a7bce9c794f0481ca9791fbd2e90f30777d40515968088a91a29b4608b9ee127fb5d4e200af53c9

      • C:\Users\Admin\AppData\Local\Temp1337SteamLogin.exe

        Filesize

        2.5MB

        MD5

        e4415a6a4cb873f42d58487fcc9391e5

        SHA1

        84838c9d426e1e7a83622c9c082d77222b0ff4cd

        SHA256

        e32e5d6314bc8b61255cba5b90b6e2c918e1f599d60bdb2d9c0019e595d3ba05

        SHA512

        686191e92109e8e8a9bfba2856a4a1218a71f46bd50faa0baab7b6b71ffc99c039332af99959881c7a37b38b493877471e4d9212001eb5dbcffcda67b8f38e28

      • C:\Users\Admin\AppData\Local\Temp\1337 SteamACC Stealer Private\data\server.exe

        Filesize

        2.6MB

        MD5

        6311bca69787231e5321c98867ce30f7

        SHA1

        497c94f87463cd2c4ba25396d8a1358ed8af52e6

        SHA256

        9b72a6574958c1019a64e748a0de649ec4e61bd5cc8d1ef5d1aa0969281b9488

        SHA512

        febc8f53a8501fa68be31ceb492127e1504f4ff89c62aa5fa524b96afdfa946e68a5e81abfa2d5771fb677643f62848fb667e3ab766458f7f1a76465df35f690

      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_xea22d5f.z1x.ps1

        Filesize

        60B

        MD5

        d17fe0a3f47be24a6453e9ef58c94641

        SHA1

        6ab83620379fc69f80c0242105ddffd7d98d5d9d

        SHA256

        96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

        SHA512

        5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

      • C:\Windows\IMF\Runtime Explorer.exe

        Filesize

        152KB

        MD5

        03f5e0141f4519f0c5ac26ce0b036a0f

        SHA1

        4f7a2a230e7a194a898cc9f2d563ac8777fe99c0

        SHA256

        78a408c628e33e3332645f480ee7ce01b5dc24fc96cf16ffa0868d43f3d421ef

        SHA512

        86a68f040654006e06b51c5714e0d7168d0d1bef7f3c39843632068104f773f771d21be4bc251d712f3e915cd1058f89ad31d9e3f3d9e7cf6da6785cbf22d8d7

      • C:\Windows\IMF\Secure System Shell.exe

        Filesize

        45KB

        MD5

        7d0c7359e5b2daa5665d01afdc98cc00

        SHA1

        c3cc830c8ffd0f53f28d89dcd9f3426be87085cb

        SHA256

        f1abd5ab03189e82971513e6ca04bd372fcf234d670079888f01cf4addd49809

        SHA512

        a8f82b11b045d8dd744506f4f56f3382b33a03684a6aebc91a02ea901c101b91cb43b7d0213f72f39cbb22f616ecd5de8b9e6c99fb5669f26a3ea6bcb63c8407

      • C:\Windows\IMF\Windows Services.exe

        Filesize

        46KB

        MD5

        ad0ce1302147fbdfecaec58480eb9cf9

        SHA1

        874efbc76e5f91bc1425a43ea19400340f98d42b

        SHA256

        2c339b52b82e73b4698a0110cdfe310c00c5c69078e9e1bd6fa1308652bf82a3

        SHA512

        adccd5520e01b673c2fc5c451305fe31b1a3e74891aece558f75fefc50218adf1fb81bb8c7f19969929d3fecb0fdb2cb5b564400d51e0a5a1ad8d5bc2d4eed53

      • memory/224-22-0x0000000006230000-0x0000000006296000-memory.dmp

        Filesize

        408KB

      • memory/224-93-0x0000000007BA0000-0x0000000007BBA000-memory.dmp

        Filesize

        104KB

      • memory/224-19-0x00000000059C0000-0x00000000059E2000-memory.dmp

        Filesize

        136KB

      • memory/224-21-0x0000000006090000-0x00000000060F6000-memory.dmp

        Filesize

        408KB

      • memory/224-18-0x0000000005A60000-0x0000000006088000-memory.dmp

        Filesize

        6.2MB

      • memory/224-111-0x0000000007EC0000-0x0000000007EC8000-memory.dmp

        Filesize

        32KB

      • memory/224-14-0x00000000052A0000-0x00000000052D6000-memory.dmp

        Filesize

        216KB

      • memory/224-32-0x00000000062A0000-0x00000000065F4000-memory.dmp

        Filesize

        3.3MB

      • memory/224-33-0x0000000006890000-0x00000000068AE000-memory.dmp

        Filesize

        120KB

      • memory/224-34-0x0000000006910000-0x000000000695C000-memory.dmp

        Filesize

        304KB

      • memory/224-110-0x0000000007EE0000-0x0000000007EFA000-memory.dmp

        Filesize

        104KB

      • memory/224-109-0x0000000007DE0000-0x0000000007DF4000-memory.dmp

        Filesize

        80KB

      • memory/224-108-0x0000000007DD0000-0x0000000007DDE000-memory.dmp

        Filesize

        56KB

      • memory/224-98-0x0000000007DA0000-0x0000000007DB1000-memory.dmp

        Filesize

        68KB

      • memory/224-97-0x0000000007E20000-0x0000000007EB6000-memory.dmp

        Filesize

        600KB

      • memory/224-96-0x0000000007C10000-0x0000000007C1A000-memory.dmp

        Filesize

        40KB

      • memory/224-74-0x000000006EFA0000-0x000000006EFEC000-memory.dmp

        Filesize

        304KB

      • memory/224-73-0x0000000006E50000-0x0000000006E82000-memory.dmp

        Filesize

        200KB

      • memory/224-84-0x0000000006E90000-0x0000000006EAE000-memory.dmp

        Filesize

        120KB

      • memory/224-85-0x0000000007A90000-0x0000000007B33000-memory.dmp

        Filesize

        652KB

      • memory/224-91-0x00000000081E0000-0x000000000885A000-memory.dmp

        Filesize

        6.5MB

      • memory/560-131-0x000001D917680000-0x000001D917690000-memory.dmp

        Filesize

        64KB

      • memory/560-127-0x000001D917470000-0x000001D917480000-memory.dmp

        Filesize

        64KB

      • memory/560-146-0x000001D91F8C0000-0x000001D91F8C1000-memory.dmp

        Filesize

        4KB

      • memory/560-145-0x000001D91F8C0000-0x000001D91F8C1000-memory.dmp

        Filesize

        4KB

      • memory/560-144-0x000001D91F8B0000-0x000001D91F8B1000-memory.dmp

        Filesize

        4KB

      • memory/560-143-0x000001D91F8B0000-0x000001D91F8B1000-memory.dmp

        Filesize

        4KB

      • memory/560-142-0x000001D91F820000-0x000001D91F821000-memory.dmp

        Filesize

        4KB

      • memory/560-140-0x000001D91F820000-0x000001D91F821000-memory.dmp

        Filesize

        4KB

      • memory/560-138-0x000001D91F7A0000-0x000001D91F7A1000-memory.dmp

        Filesize

        4KB

      • memory/1300-20-0x0000000073FE0000-0x0000000074790000-memory.dmp

        Filesize

        7.7MB

      • memory/1300-11-0x0000000073FE0000-0x0000000074790000-memory.dmp

        Filesize

        7.7MB

      • memory/1300-9-0x0000000004C20000-0x0000000004C2A000-memory.dmp

        Filesize

        40KB

      • memory/1300-5-0x0000000000150000-0x0000000000186000-memory.dmp

        Filesize

        216KB

      • memory/1300-6-0x0000000004B20000-0x0000000004BBC000-memory.dmp

        Filesize

        624KB

      • memory/1300-4-0x0000000073FEE000-0x0000000073FEF000-memory.dmp

        Filesize

        4KB

      • memory/1300-7-0x00000000051A0000-0x0000000005744000-memory.dmp

        Filesize

        5.6MB

      • memory/1300-8-0x0000000004C90000-0x0000000004D22000-memory.dmp

        Filesize

        584KB

      • memory/1300-10-0x0000000004E70000-0x0000000004EC6000-memory.dmp

        Filesize

        344KB

      • memory/1668-57-0x0000000006770000-0x000000000678E000-memory.dmp

        Filesize

        120KB

      • memory/1668-56-0x0000000006790000-0x0000000006806000-memory.dmp

        Filesize

        472KB

      • memory/1668-12-0x0000000000B60000-0x0000000000B74000-memory.dmp

        Filesize

        80KB

      • memory/1668-13-0x0000000006B30000-0x0000000006BAE000-memory.dmp

        Filesize

        504KB

      • memory/2504-89-0x0000000000480000-0x0000000000492000-memory.dmp

        Filesize

        72KB

      • memory/4116-114-0x000000006EFA0000-0x000000006EFEC000-memory.dmp

        Filesize

        304KB

      • memory/4280-72-0x00000000001E0000-0x00000000001F2000-memory.dmp

        Filesize

        72KB