Analysis

  • max time kernel
    148s
  • max time network
    140s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    06-02-2025 23:17

General

  • Target

    46cd34f81569ad595acc7508d00d645eb0a2415632dc24236ecdd4d4a69843a8.exe

  • Size

    728KB

  • MD5

    99942820fbdabf1b956942792f72d77d

  • SHA1

    7998febcab0198f069ebeb43ea225dca5d91c91e

  • SHA256

    46cd34f81569ad595acc7508d00d645eb0a2415632dc24236ecdd4d4a69843a8

  • SHA512

    deb4ca2059b615f18013338e61b45c5fd0f0e10f33bde9d433983460dc478473c73a11a7c88bdf4202d8e7459ddca0c041f8f41820f8eba5499cfaf79c82f8c3

  • SSDEEP

    12288:H9Zm/tAPnykfZAHr7+voateI/ie6bEmLLFfLB7oAEEIyhkfqWqxkCsUtNvSqo9NG:KyoWChRoQQo

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 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Subvert Trust Controls: Mark-of-the-Web Bypass 1 TTPs 1 IoCs

    When files are downloaded from the Internet, they are tagged with a hidden NTFS Alternate Data Stream (ADS) named Zone.Identifier with a specific value known as the MOTW.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 12 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
  • NTFS ADS 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 37 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 48 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\46cd34f81569ad595acc7508d00d645eb0a2415632dc24236ecdd4d4a69843a8.exe
    "C:\Users\Admin\AppData\Local\Temp\46cd34f81569ad595acc7508d00d645eb0a2415632dc24236ecdd4d4a69843a8.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2828
    • C:\Windows\SysWOW64\cmd.exe
      "cmd"
      2⤵
      • Subvert Trust Controls: Mark-of-the-Web Bypass
      • System Location Discovery: System Language Discovery
      • NTFS ADS
      PID:2648
    • C:\Users\Admin\AppData\Local\Temp\svchost.exe
      "C:\Users\Admin\AppData\Local\Temp\svchost.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2760
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\csc.exe
        C:\Windows\Microsoft.NET\Framework\v2.0.50727\csc.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2816
        • 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:2656
          • 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:2980
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Windows\Microsoft.NET\Framework\v2.0.50727\csc.exe" /t REG_SZ /d "C:\Windows\Microsoft.NET\Framework\v2.0.50727\csc.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:292
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Windows\Microsoft.NET\Framework\v2.0.50727\csc.exe" /t REG_SZ /d "C:\Windows\Microsoft.NET\Framework\v2.0.50727\csc.exe:*:Enabled:Windows Messanger" /f
            5⤵
            • Modifies firewall policy service
            • System Location Discovery: System Language Discovery
            • Modifies registry key
            PID:548
        • 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:2536
          • 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:1592
        • 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\Bild3425.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Bild3425.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2556
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\Bild3425.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Bild3425.exe:*:Enabled:Windows Messanger" /f
            5⤵
            • Modifies firewall policy service
            • System Location Discovery: System Language Discovery
            • Modifies registry key
            PID:2044

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\svchost.exe

    Filesize

    728KB

    MD5

    99942820fbdabf1b956942792f72d77d

    SHA1

    7998febcab0198f069ebeb43ea225dca5d91c91e

    SHA256

    46cd34f81569ad595acc7508d00d645eb0a2415632dc24236ecdd4d4a69843a8

    SHA512

    deb4ca2059b615f18013338e61b45c5fd0f0e10f33bde9d433983460dc478473c73a11a7c88bdf4202d8e7459ddca0c041f8f41820f8eba5499cfaf79c82f8c3

  • C:\Users\Admin\AppData\Local\Temp\svchost.exe:Zone.Identifier

    Filesize

    2B

    MD5

    81051bcc2cf1bedf378224b0a93e2877

    SHA1

    ba8ab5a0280b953aa97435ff8946cbcbb2755a27

    SHA256

    7eb70257593da06f682a3ddda54a9d260d4fc514f645237f5ca74b08f8da61a6

    SHA512

    1b302a2f1e624a5fb5ad94ddc4e5f8bfd74d26fa37512d0e5face303d8c40eee0d0ffa3649f5da43f439914d128166cb6c4774a7caa3b174d7535451eb697b5d

  • memory/2760-13-0x00000000747D0000-0x0000000074D7B000-memory.dmp

    Filesize

    5.7MB

  • memory/2760-23-0x00000000747D0000-0x0000000074D7B000-memory.dmp

    Filesize

    5.7MB

  • memory/2760-12-0x00000000747D0000-0x0000000074D7B000-memory.dmp

    Filesize

    5.7MB

  • memory/2760-11-0x00000000747D0000-0x0000000074D7B000-memory.dmp

    Filesize

    5.7MB

  • memory/2816-33-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/2816-29-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/2816-41-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/2816-14-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/2816-20-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/2816-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2816-38-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/2816-17-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/2816-16-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/2816-37-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/2816-30-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/2816-32-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/2816-36-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/2816-34-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/2828-0-0x00000000747D1000-0x00000000747D2000-memory.dmp

    Filesize

    4KB

  • memory/2828-10-0x00000000747D0000-0x0000000074D7B000-memory.dmp

    Filesize

    5.7MB

  • memory/2828-1-0x00000000747D0000-0x0000000074D7B000-memory.dmp

    Filesize

    5.7MB

  • memory/2828-2-0x00000000747D0000-0x0000000074D7B000-memory.dmp

    Filesize

    5.7MB