Analysis

  • max time kernel
    149s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250129-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/01/2025, 16:35

General

  • Target

    JaffaCakes118_64a33b7e57b3fd34e4e3f8c4b0fbb8a2.exe

  • Size

    275KB

  • MD5

    64a33b7e57b3fd34e4e3f8c4b0fbb8a2

  • SHA1

    e4f14b0532952c84a07a399300530dc6a6a8749e

  • SHA256

    067299ed7032f006daf6bc418c1ec7924d62e2ef234200fbccb6528833cc7c1d

  • SHA512

    35811821f45b756ee5d34a2377c6106928ad4276f9b2903c31497b5dee7c4e9fc7b6fb27e0792df366e7602d69c2c11959b441478c007da70aefa8b415c27d9c

  • SSDEEP

    6144:8DTuo4xWyHvQDBd5fnwfQcIo84eV3Hml8ktzNlPppxu19n/C/zV1iEkoSu:8SFPQFfdc0+8ktzNlxpxi9umpoSu

Malware Config

Signatures

  • Blackshades

    Blackshades is a remote access trojan with various capabilities.

  • Blackshades family
  • Blackshades payload 10 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 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 35 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 44 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_64a33b7e57b3fd34e4e3f8c4b0fbb8a2.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_64a33b7e57b3fd34e4e3f8c4b0fbb8a2.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3600
    • C:\Users\Admin\AppData\Local\Temp\suyqZ.exe
      "C:\Users\Admin\AppData\Local\Temp\suyqZ.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3124
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\ZTSNl.bat" "
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4652
      • 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:4212
    • 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:2328
      • 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:3608
        • 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:4264
          • 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:1212
        • 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:3024
          • 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:1684
        • 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:3532
          • 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:4072
        • 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:432
          • 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:3852

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    130B

    MD5

    34a635bb69f9dc2d8e8ceba2f6b25308

    SHA1

    66bbd6b4eb975af0a799c6be7aaed6917f5df10c

    SHA256

    eb18b0e443ffb00db0eb4438c0d3ec49cf67c3b7cbc9da8e25c60298c970a59a

    SHA512

    ae355a265391afe02a37d82ffb0df6664788dc4aee975678aeb524ff47f889d1e5ecab42b073093d71494c9868276dc9794d4bebce4c967d866b189c136a9545

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

    Filesize

    12KB

    MD5

    466773bfcbd01059584cdae36e3c281c

    SHA1

    81e68615ef27cf363d6fe96582433c8a7ce8043b

    SHA256

    21f0910a1d71dfc63744474b2ba6b8248d893226576ea48791dc0cef7dd52105

    SHA512

    1088e7180a7d4ed717307c03884aebd945c5f78ffd6c4a4d7e84e504dc2da0434fe4173c63f1afd5a57e83e1783b3359ce123e85bb62699fb663bc9b1c02129f

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

    Filesize

    275KB

    MD5

    912cbfc51a52c1662322d24d3306fac9

    SHA1

    0462687bbf438aa095fd4a02d6ea67698fa0ad0a

    SHA256

    44689f3cbf86c8b71339fa72deabc4e5da5564a8f2868fdfee9389a6be30709a

    SHA512

    9307d33f00ef170d1bde812c288c04789e75c703c5dccdb97a5aa2d997255fc363c8901d6c017beba77bd6930a153d9d48a064ef8d63eb4746c3316413ff1e4e

  • memory/2328-49-0x0000000000400000-0x00000000005DD000-memory.dmp

    Filesize

    1.9MB

  • memory/3124-11-0x0000000000400000-0x0000000000417000-memory.dmp

    Filesize

    92KB

  • memory/3124-54-0x0000000000400000-0x0000000000417000-memory.dmp

    Filesize

    92KB

  • memory/3600-38-0x0000000000400000-0x00000000005DD000-memory.dmp

    Filesize

    1.9MB

  • memory/3600-0-0x0000000000400000-0x00000000005DD000-memory.dmp

    Filesize

    1.9MB

  • memory/3608-62-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/3608-41-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/3608-46-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/3608-56-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/3608-59-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/3608-44-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/3608-64-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/3608-66-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/3608-69-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/3608-71-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/3608-76-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/3608-78-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB