Analysis

  • max time kernel
    148s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    14/02/2025, 20:46

General

  • Target

    20f82792b16f9e473fb0b4fb1b2173281091bf64cafb176b796245a45f2d40eb.exe

  • Size

    1.9MB

  • MD5

    dda394cda9ef5dc4959996aa5ecff4bf

  • SHA1

    5847b1585f7363fbc073e5f94f861161b0790e6f

  • SHA256

    20f82792b16f9e473fb0b4fb1b2173281091bf64cafb176b796245a45f2d40eb

  • SHA512

    79625d1beddd8b99f08f08beae32739a42e5ccc77c78f6950afd8dcaf0fa4c46e58231f8ee52e22265fef961a1ea0fcb53bcfd55e0b769b7f871bf277e668f09

  • SSDEEP

    49152:CLIUXQgBiI6i2KFU0yBfM7a9QDosGeo403e0CpcKYGIDlWIwRBOn5PvGYKMf/1ZP:SIUXQgBiI6i2KFU0yBfM7a9QDosGeo4u

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 10 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • UPX packed file 20 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\20f82792b16f9e473fb0b4fb1b2173281091bf64cafb176b796245a45f2d40eb.exe
    "C:\Users\Admin\AppData\Local\Temp\20f82792b16f9e473fb0b4fb1b2173281091bf64cafb176b796245a45f2d40eb.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2996
    • C:\Users\Admin\AppData\Local\Temp\rYHdi.exe
      "C:\Users\Admin\AppData\Local\Temp\rYHdi.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2792
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\ZhUaD.bat" "
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2696
      • 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:2080
    • 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:1948
      • 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:1800
        • 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:1780
          • 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:2928
        • 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:2660
          • 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:3032
        • 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:3068
          • 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:2744
        • 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:2544
          • 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:3052

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    130B

    MD5

    34a635bb69f9dc2d8e8ceba2f6b25308

    SHA1

    66bbd6b4eb975af0a799c6be7aaed6917f5df10c

    SHA256

    eb18b0e443ffb00db0eb4438c0d3ec49cf67c3b7cbc9da8e25c60298c970a59a

    SHA512

    ae355a265391afe02a37d82ffb0df6664788dc4aee975678aeb524ff47f889d1e5ecab42b073093d71494c9868276dc9794d4bebce4c967d866b189c136a9545

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

    Filesize

    12KB

    MD5

    466773bfcbd01059584cdae36e3c281c

    SHA1

    81e68615ef27cf363d6fe96582433c8a7ce8043b

    SHA256

    21f0910a1d71dfc63744474b2ba6b8248d893226576ea48791dc0cef7dd52105

    SHA512

    1088e7180a7d4ed717307c03884aebd945c5f78ffd6c4a4d7e84e504dc2da0434fe4173c63f1afd5a57e83e1783b3359ce123e85bb62699fb663bc9b1c02129f

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

    Filesize

    1.9MB

    MD5

    5554fe580edb3c9e86d1d2e93158e405

    SHA1

    4cdff36c238f123b703556814e876290a824abf5

    SHA256

    f86d8f1a8d5cb40c5fb6328739c63fc1114ef060eba90182c625d16c365ceea5

    SHA512

    a4fc50a63654501d376ddffa40e9ade96c14548dc4fe7fefbcd75f1b4e082ba4029fb21112df9f66ec90b412d18922349f98a43b79e45b36a633bec73c3ade97

  • memory/1800-88-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/1800-91-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/1800-112-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/1800-107-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/1800-102-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/1800-98-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/1800-77-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/1800-75-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/1800-73-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/1800-95-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/1800-93-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/1800-84-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/1948-69-0x00000000029E0000-0x0000000002BBD000-memory.dmp

    Filesize

    1.9MB

  • memory/1948-71-0x0000000000400000-0x00000000005DD000-memory.dmp

    Filesize

    1.9MB

  • memory/2792-83-0x0000000000400000-0x0000000000417000-memory.dmp

    Filesize

    92KB

  • memory/2792-21-0x0000000000400000-0x0000000000417000-memory.dmp

    Filesize

    92KB

  • memory/2996-61-0x0000000003750000-0x000000000392D000-memory.dmp

    Filesize

    1.9MB

  • memory/2996-62-0x0000000003750000-0x000000000392D000-memory.dmp

    Filesize

    1.9MB

  • memory/2996-0-0x0000000000400000-0x00000000005DD000-memory.dmp

    Filesize

    1.9MB

  • memory/2996-19-0x0000000002A20000-0x0000000002A37000-memory.dmp

    Filesize

    92KB

  • memory/2996-64-0x0000000000400000-0x00000000005DD000-memory.dmp

    Filesize

    1.9MB

  • memory/2996-12-0x0000000002A10000-0x0000000002A27000-memory.dmp

    Filesize

    92KB

  • memory/2996-11-0x0000000002A10000-0x0000000002A27000-memory.dmp

    Filesize

    92KB