Analysis

  • max time kernel
    148s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-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 9 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 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 35 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 57 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\361de607101bc9060ead623251768c34d9ed81b1f5e9a8af717fda2620a7ad72.exe
    "C:\Users\Admin\AppData\Local\Temp\361de607101bc9060ead623251768c34d9ed81b1f5e9a8af717fda2620a7ad72.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1924
    • C:\Users\Admin\AppData\Local\Temp\aTmOt.exe
      "C:\Users\Admin\AppData\Local\Temp\aTmOt.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2916
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\dBRiA.bat" "
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2756
      • 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:2884
    • 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:2744
      • 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:2752
        • 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:2660
          • 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:3032
        • 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:2680
          • 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:3012
        • 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:2444
          • 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:1032
        • 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:2572
          • 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:1784

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    130B

    MD5

    34a635bb69f9dc2d8e8ceba2f6b25308

    SHA1

    66bbd6b4eb975af0a799c6be7aaed6917f5df10c

    SHA256

    eb18b0e443ffb00db0eb4438c0d3ec49cf67c3b7cbc9da8e25c60298c970a59a

    SHA512

    ae355a265391afe02a37d82ffb0df6664788dc4aee975678aeb524ff47f889d1e5ecab42b073093d71494c9868276dc9794d4bebce4c967d866b189c136a9545

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

    Filesize

    676KB

    MD5

    f121524adaec789c33162853df821ec2

    SHA1

    5bdc27fd6d3ede1fa9bc04f67f3089abd3e020b1

    SHA256

    be0e199a896978b0b381b78a39ec843d20d7e50fd8be8e765dafb1ec5e7339c8

    SHA512

    4d6c0e56986ce5aa879aff77b26eb94d57a4147fd743be4427432b6332c97ceb6f93eea8c47b6ffff8fb2952716faf251674b603f84e4f267615bffd1e4fca7e

  • \Users\Admin\AppData\Local\Temp\aTmOt.exe

    Filesize

    12KB

    MD5

    466773bfcbd01059584cdae36e3c281c

    SHA1

    81e68615ef27cf363d6fe96582433c8a7ce8043b

    SHA256

    21f0910a1d71dfc63744474b2ba6b8248d893226576ea48791dc0cef7dd52105

    SHA512

    1088e7180a7d4ed717307c03884aebd945c5f78ffd6c4a4d7e84e504dc2da0434fe4173c63f1afd5a57e83e1783b3359ce123e85bb62699fb663bc9b1c02129f

  • memory/1924-64-0x0000000000400000-0x00000000005DC000-memory.dmp

    Filesize

    1.9MB

  • memory/1924-12-0x0000000000730000-0x0000000000747000-memory.dmp

    Filesize

    92KB

  • memory/1924-11-0x0000000000730000-0x0000000000747000-memory.dmp

    Filesize

    92KB

  • memory/1924-19-0x0000000000740000-0x0000000000757000-memory.dmp

    Filesize

    92KB

  • memory/1924-0-0x0000000000400000-0x00000000005DC000-memory.dmp

    Filesize

    1.9MB

  • memory/1924-63-0x0000000003830000-0x0000000003A0C000-memory.dmp

    Filesize

    1.9MB

  • memory/1924-65-0x0000000003830000-0x0000000003A0C000-memory.dmp

    Filesize

    1.9MB

  • memory/2744-71-0x0000000002B60000-0x0000000002D3C000-memory.dmp

    Filesize

    1.9MB

  • memory/2744-80-0x0000000000400000-0x00000000005DC000-memory.dmp

    Filesize

    1.9MB

  • memory/2744-66-0x0000000000400000-0x00000000005DC000-memory.dmp

    Filesize

    1.9MB

  • memory/2752-87-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/2752-91-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/2752-79-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/2752-78-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/2752-77-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/2752-110-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/2752-105-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/2752-72-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/2752-94-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/2752-96-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/2752-98-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/2752-103-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/2916-21-0x0000000000400000-0x0000000000417000-memory.dmp

    Filesize

    92KB

  • memory/2916-86-0x0000000000400000-0x0000000000417000-memory.dmp

    Filesize

    92KB