Analysis

  • max time kernel
    144s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2024 17:50

General

  • Target

    1337 SteamACC Stealer Private/1337 SteamACC Stealer Private.exe

  • Size

    193KB

  • MD5

    d3b6a612e1627ac55ed1036d37c078d2

  • SHA1

    86971ed075e24fbcb5590a42432c0610f77a009d

  • SHA256

    a5cd5d4e6cebf88a8237da82cd4472ff39270f06ad5759eb0e2ea10e04a4a8b5

  • SHA512

    728cf4d1a2e29341aa381673302faf199abb4ee24937eee65e888a7a2adb83ae64626dfecf09b857d0b129b9d2955de86a4c3082422d89830b852f143afb2b75

  • SSDEEP

    1536:x4lOeP6M2v9YZQfx+kPmJBtxPeZ3YtlylA9+9POMjHi:x4lOA8hfx+xJBeZ3sylA9+9GWi

Malware Config

Signatures

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

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

  • Drops startup file 1 IoCs
  • Executes dropped EXE 26 IoCs
  • Loads dropped DLL 51 IoCs
  • Adds Run key to start application 2 TTPs 1 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 30 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 53 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 25 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • 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:2172
    • 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
      • Loads dropped DLL
      • 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:2936
      • 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:2724
      • C:\Windows\IMF\Windows Services.exe
        "C:\Windows\IMF\Windows Services.exe" {Arguments If Needed}
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1800
        • 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:2376
        • C:\Windows\IMF\Runtime Explorer.exe
          "C:\Windows\IMF\Runtime Explorer.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          PID:1780
        • C:\Windows\IMF\Runtime Explorer.exe
          "C:\Windows\IMF\Runtime Explorer.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          PID:3028
        • C:\Windows\IMF\Runtime Explorer.exe
          "C:\Windows\IMF\Runtime Explorer.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          PID:1644
        • C:\Windows\IMF\Runtime Explorer.exe
          "C:\Windows\IMF\Runtime Explorer.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          PID:2160
        • C:\Windows\IMF\Runtime Explorer.exe
          "C:\Windows\IMF\Runtime Explorer.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          PID:1516
        • C:\Windows\IMF\Runtime Explorer.exe
          "C:\Windows\IMF\Runtime Explorer.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          PID:2476
        • C:\Windows\IMF\Runtime Explorer.exe
          "C:\Windows\IMF\Runtime Explorer.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          PID:2052
        • C:\Windows\IMF\Runtime Explorer.exe
          "C:\Windows\IMF\Runtime Explorer.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          PID:1472
        • C:\Windows\IMF\Runtime Explorer.exe
          "C:\Windows\IMF\Runtime Explorer.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          PID:1528
        • C:\Windows\IMF\Runtime Explorer.exe
          "C:\Windows\IMF\Runtime Explorer.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          PID:1672
        • C:\Windows\IMF\Runtime Explorer.exe
          "C:\Windows\IMF\Runtime Explorer.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          PID:1808
        • C:\Windows\IMF\Runtime Explorer.exe
          "C:\Windows\IMF\Runtime Explorer.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          PID:2388
        • C:\Windows\IMF\Runtime Explorer.exe
          "C:\Windows\IMF\Runtime Explorer.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          PID:1060
        • C:\Windows\IMF\Runtime Explorer.exe
          "C:\Windows\IMF\Runtime Explorer.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          PID:1924
        • C:\Windows\IMF\Runtime Explorer.exe
          "C:\Windows\IMF\Runtime Explorer.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          PID:396
        • C:\Windows\IMF\Runtime Explorer.exe
          "C:\Windows\IMF\Runtime Explorer.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          PID:980
        • C:\Windows\IMF\Runtime Explorer.exe
          "C:\Windows\IMF\Runtime Explorer.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          PID:1732
        • C:\Windows\IMF\Runtime Explorer.exe
          "C:\Windows\IMF\Runtime Explorer.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          PID:2808
        • C:\Windows\IMF\Runtime Explorer.exe
          "C:\Windows\IMF\Runtime Explorer.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          PID:2524
        • C:\Windows\IMF\Runtime Explorer.exe
          "C:\Windows\IMF\Runtime Explorer.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          PID:2704
        • C:\Windows\IMF\Runtime Explorer.exe
          "C:\Windows\IMF\Runtime Explorer.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          PID:2644
        • C:\Windows\IMF\Runtime Explorer.exe
          "C:\Windows\IMF\Runtime Explorer.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          PID:1948
        • C:\Windows\IMF\Runtime Explorer.exe
          "C:\Windows\IMF\Runtime Explorer.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          PID:1120
        • C:\Windows\IMF\Runtime Explorer.exe
          "C:\Windows\IMF\Runtime Explorer.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          PID:2840
    • 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 behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      PID:2748

Network

MITRE ATT&CK Enterprise v15

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Downloads

  • 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/1800-45-0x0000000000130000-0x0000000000142000-memory.dmp

    Filesize

    72KB

  • memory/2172-1-0x0000000000970000-0x00000000009A6000-memory.dmp

    Filesize

    216KB

  • memory/2172-2-0x0000000074280000-0x000000007496E000-memory.dmp

    Filesize

    6.9MB

  • memory/2172-0-0x000000007428E000-0x000000007428F000-memory.dmp

    Filesize

    4KB

  • memory/2172-12-0x0000000074280000-0x000000007496E000-memory.dmp

    Filesize

    6.9MB

  • memory/2376-53-0x0000000001110000-0x0000000001122000-memory.dmp

    Filesize

    72KB

  • memory/2936-3-0x0000000000300000-0x0000000000314000-memory.dmp

    Filesize

    80KB

  • memory/2936-7-0x0000000074280000-0x000000007496E000-memory.dmp

    Filesize

    6.9MB

  • memory/2936-5-0x0000000074280000-0x000000007496E000-memory.dmp

    Filesize

    6.9MB

  • memory/2936-44-0x0000000074280000-0x000000007496E000-memory.dmp

    Filesize

    6.9MB

  • memory/2936-6-0x0000000000BA0000-0x0000000000C1E000-memory.dmp

    Filesize

    504KB

  • memory/2936-4-0x0000000074280000-0x000000007496E000-memory.dmp

    Filesize

    6.9MB