Analysis

  • max time kernel
    120s
  • max time network
    107s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    01/02/2025, 18:25

General

  • Target

    55cfa1209a7bcaafe76af972f5bf5d69a64d899d94162c088fe0c99e7f46b7e3N.exe

  • Size

    212KB

  • MD5

    0080ce6146e43c3ee7a87453be53c340

  • SHA1

    7e5d6027b08b381343a8f084e1c2323f38a8f6df

  • SHA256

    55cfa1209a7bcaafe76af972f5bf5d69a64d899d94162c088fe0c99e7f46b7e3

  • SHA512

    a873e51e1da4f1041049cf785cf08c3d55cc3aa95827a0372bab1441493eda2ba86095ef97690e43d0a1879fbd54aa718add331be11e373c9b9dbaaf152e91a5

  • SSDEEP

    3072:wPOJ4+YfXVp04BeCa0xE4cezc+1zGxbauZGbvP7M0+KqBmk3U0WSZ:kBVptBe5Fez9wttGbvP7M01qBVU0WSZ

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 8 IoCs
  • Adds policy Run key to start application 2 TTPs 2 IoCs
  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 4 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • UPX packed file 17 IoCs

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

  • System Location Discovery: System Language Discovery 1 TTPs 10 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 4 IoCs
  • Suspicious use of WriteProcessMemory 40 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\55cfa1209a7bcaafe76af972f5bf5d69a64d899d94162c088fe0c99e7f46b7e3N.exe
    "C:\Users\Admin\AppData\Local\Temp\55cfa1209a7bcaafe76af972f5bf5d69a64d899d94162c088fe0c99e7f46b7e3N.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2536
    • C:\Users\Admin\AppData\Local\Temp\55cfa1209a7bcaafe76af972f5bf5d69a64d899d94162c088fe0c99e7f46b7e3N.exe
      "C:\Users\Admin\AppData\Local\Temp\55cfa1209a7bcaafe76af972f5bf5d69a64d899d94162c088fe0c99e7f46b7e3N.exe"
      2⤵
      • Adds policy Run key to start application
      • Boot or Logon Autostart Execution: Active Setup
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2404
      • 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
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2264
        • C:\Windows\SysWOW64\reg.exe
          REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
          4⤵
          • 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\Local\Temp\55cfa1209a7bcaafe76af972f5bf5d69a64d899d94162c088fe0c99e7f46b7e3N.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\55cfa1209a7bcaafe76af972f5bf5d69a64d899d94162c088fe0c99e7f46b7e3N.exe:*:Enabled:Windows Messanger" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1832
        • C:\Windows\SysWOW64\reg.exe
          REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Local\Temp\55cfa1209a7bcaafe76af972f5bf5d69a64d899d94162c088fe0c99e7f46b7e3N.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\55cfa1209a7bcaafe76af972f5bf5d69a64d899d94162c088fe0c99e7f46b7e3N.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • Modifies firewall policy service
          • System Location Discovery: System Language Discovery
          • Modifies registry key
          PID:2724
      • 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
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2324
        • C:\Windows\SysWOW64\reg.exe
          REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
          4⤵
          • Modifies firewall policy service
          • System Location Discovery: System Language Discovery
          • Modifies registry key
          PID:2752
      • 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\.original\vrcss.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\.original\vrcss.exe:*:Enabled:Windows Messanger" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1852
        • C:\Windows\SysWOW64\reg.exe
          REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\.original\vrcss.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\.original\vrcss.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • Modifies firewall policy service
          • System Location Discovery: System Language Discovery
          • Modifies registry key
          PID:3020

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2404-6-0x0000000000400000-0x00000000005AC000-memory.dmp

    Filesize

    1.7MB

  • memory/2404-4-0x0000000000400000-0x00000000005AC000-memory.dmp

    Filesize

    1.7MB

  • memory/2404-7-0x0000000000400000-0x00000000005AC000-memory.dmp

    Filesize

    1.7MB

  • memory/2404-10-0x0000000000400000-0x00000000005AC000-memory.dmp

    Filesize

    1.7MB

  • memory/2404-15-0x0000000000400000-0x00000000005AC000-memory.dmp

    Filesize

    1.7MB

  • memory/2404-14-0x0000000000400000-0x00000000005AC000-memory.dmp

    Filesize

    1.7MB

  • memory/2404-12-0x0000000000400000-0x00000000005AC000-memory.dmp

    Filesize

    1.7MB

  • memory/2404-13-0x0000000000400000-0x00000000005AC000-memory.dmp

    Filesize

    1.7MB

  • memory/2404-8-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2404-22-0x0000000074B48000-0x0000000074B49000-memory.dmp

    Filesize

    4KB

  • memory/2404-23-0x0000000074B30000-0x0000000074C40000-memory.dmp

    Filesize

    1.1MB

  • memory/2404-24-0x0000000000400000-0x00000000005AC000-memory.dmp

    Filesize

    1.7MB

  • memory/2404-25-0x0000000000400000-0x00000000005AC000-memory.dmp

    Filesize

    1.7MB

  • memory/2404-26-0x0000000000400000-0x00000000005AC000-memory.dmp

    Filesize

    1.7MB

  • memory/2404-28-0x0000000000400000-0x00000000005AC000-memory.dmp

    Filesize

    1.7MB

  • memory/2404-29-0x0000000000400000-0x00000000005AC000-memory.dmp

    Filesize

    1.7MB

  • memory/2404-30-0x0000000000400000-0x00000000005AC000-memory.dmp

    Filesize

    1.7MB

  • memory/2404-31-0x0000000000400000-0x00000000005AC000-memory.dmp

    Filesize

    1.7MB

  • memory/2404-34-0x0000000000400000-0x00000000005AC000-memory.dmp

    Filesize

    1.7MB

  • memory/2404-37-0x0000000000400000-0x00000000005AC000-memory.dmp

    Filesize

    1.7MB

  • memory/2404-38-0x0000000000400000-0x00000000005AC000-memory.dmp

    Filesize

    1.7MB