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Analysis

  • max time kernel
    149s
  • max time network
    138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250217-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/02/2025, 08:52

General

  • Target

    f81b16ea490d52a8ac15373d19e59014cdbc669ed406d6f717448af37080af55.exe

  • Size

    1.6MB

  • MD5

    ded0849aac0c95abfb0e734128f88392

  • SHA1

    b0276ce8df74378c421954e797aaab47305026de

  • SHA256

    f81b16ea490d52a8ac15373d19e59014cdbc669ed406d6f717448af37080af55

  • SHA512

    e03107634df07dee095342d365d01727fbc73f746ee1a7a29d651f790929bb1632d7c2c7af33430c12aa0f7830c02942dfb453e7b48fcd9b6f981bf913aab6e1

  • SSDEEP

    12288:avk//qKF76/OXpqSjnTf0clY9uWC+RMpk1OC7HmrWcmbQC5onsYir:h1zltpu0ir

Malware Config

Signatures

  • Blackshades

    Blackshades is a remote access trojan with various capabilities.

  • Blackshades family
  • Blackshades payload 13 IoCs
  • Modifies firewall policy service 3 TTPs 10 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • UPX packed file 19 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 49 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f81b16ea490d52a8ac15373d19e59014cdbc669ed406d6f717448af37080af55.exe
    "C:\Users\Admin\AppData\Local\Temp\f81b16ea490d52a8ac15373d19e59014cdbc669ed406d6f717448af37080af55.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1144
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\ZTorM.bat" "
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4224
      • C:\Windows\SysWOW64\reg.exe
        REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Java Machine" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\JavaWeb\jusched.exe" /f
        3⤵
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        PID:440
    • C:\Users\Admin\AppData\Roaming\JavaWeb\jusched.exe
      "C:\Users\Admin\AppData\Roaming\JavaWeb\jusched.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4892
      • C:\Users\Admin\AppData\Roaming\JavaWeb\jusched.exe
        C:\Users\Admin\AppData\Roaming\JavaWeb\jusched.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4840
        • 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:3864
          • 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:2236
        • 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\JavaWeb\jusched.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\JavaWeb\jusched.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:224
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\JavaWeb\jusched.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\JavaWeb\jusched.exe:*:Enabled:Windows Messanger" /f
            5⤵
            • Modifies firewall policy service
            • System Location Discovery: System Language Discovery
            • Modifies registry key
            PID:1332
        • 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:1228
          • 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:376
        • 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\bot.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\bot.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2212
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\bot.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\bot.exe:*:Enabled:Windows Messanger" /f
            5⤵
            • Modifies firewall policy service
            • System Location Discovery: System Language Discovery
            • Modifies registry key
            PID:1776
      • C:\Users\Admin\AppData\Roaming\JavaWeb\jusched.exe
        C:\Users\Admin\AppData\Roaming\JavaWeb\jusched.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:3932

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\ZTorM.txt

    Filesize

    149B

    MD5

    976ffa9a304b234c039c8739d97bb893

    SHA1

    f70f7ede8b6e5d1b8a9b53c9bf43882485b55bd6

    SHA256

    2b77cf051bb584aada8b9e5e07cba06e2077b42f009c33d10e31994ceec10384

    SHA512

    1bd398b968736efbab740c81776781023a4ef0dc1c0191d6393a7582bd79b452666163691d82a27ee8989a1e293e6d6df57c303aa9b34497ae52be417f9e269c

  • C:\Users\Admin\AppData\Roaming\JavaWeb\jusched.txt

    Filesize

    1.6MB

    MD5

    5b8b39718f4a053b7d05da4f460ed87d

    SHA1

    975e424dcd0971cfdcd659d2acab555ecc5a4854

    SHA256

    32edb86d9b647fab4677b3279e59b464bf1c0c30395323d8560615d43072da1d

    SHA512

    223b0498b6d38002928b91dafbc263539af8204a72b3ef7b889a4d275ececf1df85ff5d34b8f0a899d8cb76fc3ded49ad547779db1538643e7108a6c2006e93c

  • memory/1144-0-0x0000000000400000-0x00000000005A4000-memory.dmp

    Filesize

    1.6MB

  • memory/3932-45-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/3932-51-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/3932-43-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/3932-40-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/4840-34-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/4840-59-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/4840-50-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/4840-31-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/4840-52-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/4840-54-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/4840-57-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/4840-36-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/4840-61-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/4840-64-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/4840-66-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/4840-68-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/4840-71-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/4840-73-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/4840-82-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB