Analysis

  • max time kernel
    149s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    14/02/2025, 08:48

General

  • Target

    8c5f30c945924e1703e7efa3f9fbd335f26d4bec587a6d0fdf930e954736a0f7.exe

  • Size

    1.8MB

  • MD5

    050166deca8b3e7222899d7586f55c26

  • SHA1

    6e94e1a82a89705e8c3c31a150a6d4f68dc3df1a

  • SHA256

    8c5f30c945924e1703e7efa3f9fbd335f26d4bec587a6d0fdf930e954736a0f7

  • SHA512

    d82bc04f54012fc970914019679e752171ec285f51938e19bbc22a1a1ae1296cc272f75d5dc2ca4662d84c21c248846e93f8d17d53b6cbdd563dcf103fe5419c

  • SSDEEP

    12288:BHTVhI8jdG+sV1p0x/k9fkQ3KypwkBPKxY9XZdFh29DNDupLdXUoWxOT8oSQ:tV35QOk3KWNo34nOOT7

Malware Config

Signatures

  • Blackshades

    Blackshades is a remote access trojan with various capabilities.

  • Blackshades family
  • Blackshades payload 10 IoCs
  • Modifies firewall policy service 3 TTPs 8 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 7 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • UPX packed file 21 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 36 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 62 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8c5f30c945924e1703e7efa3f9fbd335f26d4bec587a6d0fdf930e954736a0f7.exe
    "C:\Users\Admin\AppData\Local\Temp\8c5f30c945924e1703e7efa3f9fbd335f26d4bec587a6d0fdf930e954736a0f7.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2284
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\elHXf.bat" "
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2224
      • C:\Windows\SysWOW64\reg.exe
        REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "WinUpdt" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Window Updates\winupdt2.exe" /f
        3⤵
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        PID:2720
    • C:\Users\Admin\AppData\Roaming\Window Updates\winupdt2.exe
      "C:\Users\Admin\AppData\Roaming\Window Updates\winupdt2.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:2776
      • C:\Users\Admin\AppData\Roaming\Window Updates\winupdt2.exe
        "C:\Users\Admin\AppData\Roaming\Window Updates\winupdt2.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1272
        • 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:2792
          • 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:1476
        • 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\Window Updates\winupdt2.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Window Updates\winupdt2.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2676
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\Window Updates\winupdt2.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Window Updates\winupdt2.exe:*:Enabled:Windows Messanger" /f
            5⤵
            • Modifies firewall policy service
            • System Location Discovery: System Language Discovery
            • Modifies registry key
            PID:1052
        • 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:2740
          • 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:1220
        • 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\Windows Updater.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Windows Updater.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2620
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\Windows Updater.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Windows Updater.exe:*:Enabled:Windows Messanger" /f
            5⤵
            • Modifies firewall policy service
            • System Location Discovery: System Language Discovery
            • Modifies registry key
            PID:1708
      • C:\Users\Admin\AppData\Roaming\Window Updates\winupdt2.exe
        "C:\Users\Admin\AppData\Roaming\Window Updates\winupdt2.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:2276

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    152B

    MD5

    49bb161b07149b1bda99901c71d98b1f

    SHA1

    e5e3b389c09d551bd8f3a4cf71ee30e566fdf6e2

    SHA256

    734c4f48449a118dbdfbbe4971ecf112b26b2b45d1889678c01dea98eb5767d8

    SHA512

    da09a2af9b7f9528916ab719ed97ee8b61179bba92016eaed64b3e7d6bf08646801aeeb0eb332bdde175eb64b48106f7cf2fe2bf01ea6128753e4ce1d48707be

  • C:\Users\Admin\AppData\Roaming\Window Updates\winupdt2.exe

    Filesize

    1.8MB

    MD5

    334b0e22a74912ad1c0a9fb9537bfed8

    SHA1

    cec2badf3d9615129cc9017a8d7061f43f36593e

    SHA256

    bb7aedf895b736dfac3ff74a9223666c7f2510317615b4e13ec69e5abe16cacb

    SHA512

    9558d82f706bd63bb151c4cc48e6c5bf79308001ccc8b3e3d1c88dc1669e04d6af6ffcff825f7f45d311c348d0a35b9bb1ff13fb82dd582b7e6b0253d4e7e114

  • memory/1272-76-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/1272-79-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/1272-93-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/1272-88-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/1272-83-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/1272-56-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/1272-81-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/1272-74-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/1272-72-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/1272-70-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/1272-55-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/1272-54-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2276-57-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2276-71-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2276-63-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2276-65-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2284-0-0x0000000000400000-0x00000000005CA000-memory.dmp

    Filesize

    1.8MB

  • memory/2284-42-0x00000000036A0000-0x000000000386A000-memory.dmp

    Filesize

    1.8MB

  • memory/2284-44-0x0000000000400000-0x00000000005CA000-memory.dmp

    Filesize

    1.8MB

  • memory/2776-45-0x0000000000400000-0x00000000005CA000-memory.dmp

    Filesize

    1.8MB

  • memory/2776-59-0x0000000000400000-0x00000000005CA000-memory.dmp

    Filesize

    1.8MB

  • memory/2776-50-0x0000000002950000-0x0000000002B1A000-memory.dmp

    Filesize

    1.8MB