Analysis

  • max time kernel
    148s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    05/03/2025, 07:33

General

  • Target

    acdd8f02ebe69742c598b6654207c38bb8044fa7b2833245a72aebf6d67bec7b.exe

  • Size

    1.9MB

  • MD5

    3cfa14f68901fb9af41083c830c92890

  • SHA1

    82794be0ab5a18e823028b02ccd9be1797b6d5c2

  • SHA256

    acdd8f02ebe69742c598b6654207c38bb8044fa7b2833245a72aebf6d67bec7b

  • SHA512

    e5d87d3b05d19af2507fb93da3091cd217d912d529ed17302f45e462635084dc57a33650e5a66759f44a7b01209eb94c81cfdaf5da31e01f29dbe1684b45b75e

  • SSDEEP

    49152:CLIUXQgBiI6i2KFU0yBfM7a9QDosGeo403e0CpcKYGIDlWIwRBOn5PvGYKMf/1Zt:SIUXQgBiI6i2KFU0yBfM7a9QDosGeo40

Malware Config

Signatures

  • Blackshades

    Blackshades is a remote access trojan with various capabilities.

  • Blackshades family
  • Blackshades payload 11 IoCs
  • Modifies firewall policy service 3 TTPs 8 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 10 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • UPX packed file 22 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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 key 1 TTPs 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 35 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 57 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\acdd8f02ebe69742c598b6654207c38bb8044fa7b2833245a72aebf6d67bec7b.exe
    "C:\Users\Admin\AppData\Local\Temp\acdd8f02ebe69742c598b6654207c38bb8044fa7b2833245a72aebf6d67bec7b.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2684
    • C:\Users\Admin\AppData\Local\Temp\lLwkG.exe
      "C:\Users\Admin\AppData\Local\Temp\lLwkG.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1976
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\PycOt.bat" "
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2832
      • C:\Windows\SysWOW64\reg.exe
        REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "csrs" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\csrs.exe" /f
        3⤵
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        PID:2816
    • C:\Users\Admin\AppData\Roaming\csrs.exe
      "C:\Users\Admin\AppData\Roaming\csrs.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2716
      • C:\Users\Admin\AppData\Roaming\csrs.exe
        C:\Users\Admin\AppData\Roaming\csrs.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1988
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1608
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
            5⤵
            • Modifies firewall policy service
            • System Location Discovery: System Language Discovery
            • Modifies registry key
            PID:2904
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\csrs.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\csrs.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2172
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\csrs.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\csrs.exe:*:Enabled:Windows Messanger" /f
            5⤵
            • Modifies firewall policy service
            • System Location Discovery: System Language Discovery
            • Modifies registry key
            PID:2892
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2220
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
            5⤵
            • Modifies firewall policy service
            • System Location Discovery: System Language Discovery
            • Modifies registry key
            PID:1552
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\svhost32.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\svhost32.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2652
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\svhost32.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\svhost32.exe:*:Enabled:Windows Messanger" /f
            5⤵
            • Modifies firewall policy service
            • System Location Discovery: System Language Discovery
            • Modifies registry key
            PID:1232

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\PycOt.bat

          Filesize

          130B

          MD5

          34a635bb69f9dc2d8e8ceba2f6b25308

          SHA1

          66bbd6b4eb975af0a799c6be7aaed6917f5df10c

          SHA256

          eb18b0e443ffb00db0eb4438c0d3ec49cf67c3b7cbc9da8e25c60298c970a59a

          SHA512

          ae355a265391afe02a37d82ffb0df6664788dc4aee975678aeb524ff47f889d1e5ecab42b073093d71494c9868276dc9794d4bebce4c967d866b189c136a9545

        • C:\Users\Admin\AppData\Roaming\csrs.exe

          Filesize

          1.9MB

          MD5

          546f17031a05df74bc8cc80e42112f49

          SHA1

          1f22d8dba46af9e7565d826b30fb90653a027894

          SHA256

          b073b722d98c21b94fb90963ba47fa5d8330b20be2e76c9f36e3c31a8dee26dd

          SHA512

          a331365469cbd954d64d0be86f1f87c1d187228a4ea2ecf308fe61e21e2cd61313d763bcb50b8909e3893687565700d534bbf9a717b57f37f01a4986762a4aee

        • \Users\Admin\AppData\Local\Temp\lLwkG.exe

          Filesize

          12KB

          MD5

          466773bfcbd01059584cdae36e3c281c

          SHA1

          81e68615ef27cf363d6fe96582433c8a7ce8043b

          SHA256

          21f0910a1d71dfc63744474b2ba6b8248d893226576ea48791dc0cef7dd52105

          SHA512

          1088e7180a7d4ed717307c03884aebd945c5f78ffd6c4a4d7e84e504dc2da0434fe4173c63f1afd5a57e83e1783b3359ce123e85bb62699fb663bc9b1c02129f

        • memory/1976-81-0x0000000000400000-0x0000000000417000-memory.dmp

          Filesize

          92KB

        • memory/1988-74-0x0000000000400000-0x000000000045D000-memory.dmp

          Filesize

          372KB

        • memory/1988-82-0x0000000000400000-0x000000000045D000-memory.dmp

          Filesize

          372KB

        • memory/1988-110-0x0000000000400000-0x000000000045D000-memory.dmp

          Filesize

          372KB

        • memory/1988-105-0x0000000000400000-0x000000000045D000-memory.dmp

          Filesize

          372KB

        • memory/1988-100-0x0000000000400000-0x000000000045D000-memory.dmp

          Filesize

          372KB

        • memory/1988-95-0x0000000000400000-0x000000000045D000-memory.dmp

          Filesize

          372KB

        • memory/1988-93-0x0000000000400000-0x000000000045D000-memory.dmp

          Filesize

          372KB

        • memory/1988-72-0x0000000000400000-0x000000000045D000-memory.dmp

          Filesize

          372KB

        • memory/1988-91-0x0000000000400000-0x000000000045D000-memory.dmp

          Filesize

          372KB

        • memory/1988-73-0x0000000000400000-0x000000000045D000-memory.dmp

          Filesize

          372KB

        • memory/1988-69-0x0000000000400000-0x000000000045D000-memory.dmp

          Filesize

          372KB

        • memory/1988-89-0x0000000000400000-0x000000000045D000-memory.dmp

          Filesize

          372KB

        • memory/1988-86-0x0000000000400000-0x000000000045D000-memory.dmp

          Filesize

          372KB

        • memory/2684-61-0x0000000003430000-0x000000000360D000-memory.dmp

          Filesize

          1.9MB

        • memory/2684-12-0x0000000001FB0000-0x0000000001FC7000-memory.dmp

          Filesize

          92KB

        • memory/2684-2-0x0000000000400000-0x00000000005DD000-memory.dmp

          Filesize

          1.9MB

        • memory/2684-19-0x0000000001FB0000-0x0000000001FC7000-memory.dmp

          Filesize

          92KB

        • memory/2684-66-0x0000000000400000-0x00000000005DD000-memory.dmp

          Filesize

          1.9MB

        • memory/2684-7-0x0000000001FB0000-0x0000000001FC7000-memory.dmp

          Filesize

          92KB

        • memory/2684-20-0x0000000001FB0000-0x0000000001FC7000-memory.dmp

          Filesize

          92KB

        • memory/2716-76-0x0000000000400000-0x00000000005DD000-memory.dmp

          Filesize

          1.9MB

        • memory/2716-63-0x0000000000400000-0x00000000005DD000-memory.dmp

          Filesize

          1.9MB