Analysis

  • max time kernel
    149s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23/01/2025, 22:20

General

  • Target

    361de607101bc9060ead623251768c34d9ed81b1f5e9a8af717fda2620a7ad72.exe

  • Size

    676KB

  • MD5

    5dfcdf460e0b29cb721572526818b36f

  • SHA1

    10a09fb64ab24d695178ca8df98d4b90474907dc

  • SHA256

    361de607101bc9060ead623251768c34d9ed81b1f5e9a8af717fda2620a7ad72

  • SHA512

    c3d6b6b0040f85512f2e478798dfa02241d9816dd0a59e66963d08f3cea4d44a6ce0d2479d09453c71270745dbb32cd288c890ac1398efe34991776d32d13e05

  • SSDEEP

    12288:9kiL11aPKT1F5Vs+TVonB7krqRTUWfIVzJVUYMiGx/OHWtWOaS:9ki+PKT1F5S7BgORTWJOXBSS

Malware Config

Signatures

  • Blackshades

    Blackshades is a remote access trojan with various capabilities.

  • Blackshades family
  • Blackshades payload 15 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 1 IoCs
  • UPX packed file 25 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 44 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\361de607101bc9060ead623251768c34d9ed81b1f5e9a8af717fda2620a7ad72.exe
    "C:\Users\Admin\AppData\Local\Temp\361de607101bc9060ead623251768c34d9ed81b1f5e9a8af717fda2620a7ad72.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4336
    • C:\Users\Admin\AppData\Local\Temp\MkdBA.exe
      "C:\Users\Admin\AppData\Local\Temp\MkdBA.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3864
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\xhgDn.bat" "
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1560
      • 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:3240
    • C:\Users\Admin\AppData\Roaming\csrs.exe
      "C:\Users\Admin\AppData\Roaming\csrs.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4372
      • 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:4360
        • 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:552
          • 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:4388
        • 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:860
          • 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:1476
        • 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:1044
          • 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:3436
        • 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:4368
          • 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:4880

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    12KB

    MD5

    466773bfcbd01059584cdae36e3c281c

    SHA1

    81e68615ef27cf363d6fe96582433c8a7ce8043b

    SHA256

    21f0910a1d71dfc63744474b2ba6b8248d893226576ea48791dc0cef7dd52105

    SHA512

    1088e7180a7d4ed717307c03884aebd945c5f78ffd6c4a4d7e84e504dc2da0434fe4173c63f1afd5a57e83e1783b3359ce123e85bb62699fb663bc9b1c02129f

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

    Filesize

    130B

    MD5

    34a635bb69f9dc2d8e8ceba2f6b25308

    SHA1

    66bbd6b4eb975af0a799c6be7aaed6917f5df10c

    SHA256

    eb18b0e443ffb00db0eb4438c0d3ec49cf67c3b7cbc9da8e25c60298c970a59a

    SHA512

    ae355a265391afe02a37d82ffb0df6664788dc4aee975678aeb524ff47f889d1e5ecab42b073093d71494c9868276dc9794d4bebce4c967d866b189c136a9545

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

    Filesize

    676KB

    MD5

    b3e58ddaf69bd4f12ab2a5febd0cd361

    SHA1

    253431afd359457aa5a697aa3a497be863883ebb

    SHA256

    674b73a1d8835d5755c83dd89268c292b6f61f1bd9e7712810d7106a0d1995f3

    SHA512

    83ae3c95370dd7df7d3d1bafc95ce54e3168d0ec83e85f5caa7be16120b988ea971de51799a4a25e9c8953c0f9a95f6a3a5eabe33dc83b060e12787002588032

  • memory/3864-55-0x0000000000400000-0x0000000000417000-memory.dmp

    Filesize

    92KB

  • memory/3864-11-0x0000000000400000-0x0000000000417000-memory.dmp

    Filesize

    92KB

  • memory/4336-39-0x0000000000400000-0x00000000005DC000-memory.dmp

    Filesize

    1.9MB

  • memory/4336-0-0x0000000000400000-0x00000000005DC000-memory.dmp

    Filesize

    1.9MB

  • memory/4360-65-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/4360-74-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/4360-86-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/4360-42-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/4360-49-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/4360-83-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/4360-57-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/4360-60-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/4360-45-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/4360-67-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/4360-48-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/4360-70-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/4360-72-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/4360-63-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/4360-77-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/4360-79-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/4360-81-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/4372-37-0x0000000000400000-0x00000000005DC000-memory.dmp

    Filesize

    1.9MB

  • memory/4372-47-0x0000000000400000-0x00000000005DC000-memory.dmp

    Filesize

    1.9MB