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Analysis

  • max time kernel
    148s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    13/03/2025, 16:00

General

  • Target

    JaffaCakes118_714a7659ae5574302875dac116f89a54.exe

  • Size

    275KB

  • MD5

    714a7659ae5574302875dac116f89a54

  • SHA1

    7a1806ad6097edf208665def22a2f2c26a32f142

  • SHA256

    5be21bbff8fbff8d0abbdc58ea81a986acf03df8ccd45e4d6619ba358c2b8dee

  • SHA512

    13c0b32efe69b031581ea8b496494e41110d2082c122084b22efbf004593f01f4b12da25e543b899bf2132fe870d572620dec32b8f71ff7b3421fa26487be1bb

  • SSDEEP

    6144:8DTuo4xWyHvQDBd5fnwfQcIo84eV3Hml8ktzNlPppxu19n/C/zV1iEkoS8:8SFPQFfdc0+8ktzNlxpxi9umpoS8

Malware Config

Signatures

  • Blackshades

    Blackshades is a remote access trojan with various capabilities.

  • Blackshades family
  • Blackshades payload 14 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 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 57 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_714a7659ae5574302875dac116f89a54.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_714a7659ae5574302875dac116f89a54.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1488
    • C:\Users\Admin\AppData\Local\Temp\VEpmO.exe
      "C:\Users\Admin\AppData\Local\Temp\VEpmO.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2340
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\HWdCR.bat" "
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2660
      • 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:2684
    • 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:2920
      • 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:1668
        • 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:2044
          • 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:1064
        • 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:3048
          • 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:2744
        • 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:2572
          • 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:324
        • 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:3012
          • 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:1160

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    130B

    MD5

    34a635bb69f9dc2d8e8ceba2f6b25308

    SHA1

    66bbd6b4eb975af0a799c6be7aaed6917f5df10c

    SHA256

    eb18b0e443ffb00db0eb4438c0d3ec49cf67c3b7cbc9da8e25c60298c970a59a

    SHA512

    ae355a265391afe02a37d82ffb0df6664788dc4aee975678aeb524ff47f889d1e5ecab42b073093d71494c9868276dc9794d4bebce4c967d866b189c136a9545

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

    Filesize

    12KB

    MD5

    466773bfcbd01059584cdae36e3c281c

    SHA1

    81e68615ef27cf363d6fe96582433c8a7ce8043b

    SHA256

    21f0910a1d71dfc63744474b2ba6b8248d893226576ea48791dc0cef7dd52105

    SHA512

    1088e7180a7d4ed717307c03884aebd945c5f78ffd6c4a4d7e84e504dc2da0434fe4173c63f1afd5a57e83e1783b3359ce123e85bb62699fb663bc9b1c02129f

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

    Filesize

    275KB

    MD5

    33c8d885046360e21b9d30affe9b8b16

    SHA1

    e389d05023213c07818df5b6aabd33be2b77073d

    SHA256

    1d4f54ecdb1ae8e00b4f4081f058271421cd3ac507edd01454b37551a5341f66

    SHA512

    ea1ee179e587ab72b1b44b0bc3e3c629c0d71427e21e853bad8120afb991feb6c38424d33cc540621d8117ee0cadb4ca6226d9e50f1cc5aa0836f6ac26ed6210

  • memory/1488-64-0x0000000000400000-0x00000000005DD000-memory.dmp

    Filesize

    1.9MB

  • memory/1488-12-0x0000000003030000-0x0000000003047000-memory.dmp

    Filesize

    92KB

  • memory/1488-11-0x0000000003030000-0x0000000003047000-memory.dmp

    Filesize

    92KB

  • memory/1488-19-0x0000000003040000-0x0000000003057000-memory.dmp

    Filesize

    92KB

  • memory/1488-0-0x0000000000400000-0x00000000005DD000-memory.dmp

    Filesize

    1.9MB

  • memory/1488-61-0x0000000003650000-0x000000000382D000-memory.dmp

    Filesize

    1.9MB

  • memory/1488-62-0x0000000003650000-0x000000000382D000-memory.dmp

    Filesize

    1.9MB

  • memory/1668-78-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/1668-86-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/1668-71-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/1668-79-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/1668-118-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/1668-77-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/1668-114-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/1668-75-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/1668-109-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/1668-104-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/1668-90-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/1668-93-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/1668-95-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/1668-97-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/1668-100-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/1668-102-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/2340-85-0x0000000000400000-0x0000000000417000-memory.dmp

    Filesize

    92KB

  • memory/2340-21-0x0000000000400000-0x0000000000417000-memory.dmp

    Filesize

    92KB

  • memory/2920-68-0x0000000000400000-0x00000000005DD000-memory.dmp

    Filesize

    1.9MB

  • memory/2920-76-0x0000000000400000-0x00000000005DD000-memory.dmp

    Filesize

    1.9MB