Analysis

  • max time kernel
    148s
  • max time network
    139s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    29/09/2024, 16:27

General

  • Target

    feea738c5a1eb0b22d65f78dd78caa62_JaffaCakes118.exe

  • Size

    500KB

  • MD5

    feea738c5a1eb0b22d65f78dd78caa62

  • SHA1

    5032cef9e8540b8c596c244dbf6612e4c3e16d36

  • SHA256

    029bb2aa2ba31f1b8193f2b392e96f7c8be92efeec4a6f2c551d43f30b5678f6

  • SHA512

    f5cfdfb267c31444a23d94066a2d1e8a12c32cf8d4eb80c38a15db941c884008fb4c898238a3c2e590243664cca55cd6ac651aff12024253b8091a7a3a779292

  • SSDEEP

    12288:54+baNi4nlm+3aIRfW499u9V3iqJ2DcbOTnLR:WGaNi4lH3ayW49g9IfDcbmV

Malware Config

Signatures

  • 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.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • UPX packed file 16 IoCs

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

  • System Location Discovery: System Language Discovery 1 TTPs 12 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 37 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 48 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\feea738c5a1eb0b22d65f78dd78caa62_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\feea738c5a1eb0b22d65f78dd78caa62_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1984
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\csc.exe
      "C:\Windows\Microsoft.NET\Framework\v2.0.50727\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\pegfwj-v.cmdline"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2188
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe
        C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES867F.tmp" "c:\Users\Admin\AppData\Local\Temp\CSC867E.tmp"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3044
    • C:\Users\Admin\AppData\Roaming\feea738c5a1eb0b22d65f78dd78caa62_JaffaCakes118.exe
      C:\Users\Admin\AppData\Roaming\feea738c5a1eb0b22d65f78dd78caa62_JaffaCakes118.exe
      2⤵
      • Adds policy Run key to start application
      • Boot or Logon Autostart Execution: Active Setup
      • Executes dropped EXE
      • 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:2136
      • 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:2852
        • 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:3028
      • 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\feea738c5a1eb0b22d65f78dd78caa62_JaffaCakes118.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\feea738c5a1eb0b22d65f78dd78caa62_JaffaCakes118.exe:*:Enabled:Windows Messanger" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2880
        • C:\Windows\SysWOW64\reg.exe
          REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\feea738c5a1eb0b22d65f78dd78caa62_JaffaCakes118.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\feea738c5a1eb0b22d65f78dd78caa62_JaffaCakes118.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • Modifies firewall policy service
          • System Location Discovery: System Language Discovery
          • Modifies registry key
          PID:3052
      • 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:2840
        • 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:1688
      • 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\explorer.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\explorer.exe:*:Enabled:Windows Messanger" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1784
        • C:\Windows\SysWOW64\reg.exe
          REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\explorer.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\explorer.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • Modifies firewall policy service
          • System Location Discovery: System Language Discovery
          • Modifies registry key
          PID:2672

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\RES867F.tmp

    Filesize

    1KB

    MD5

    5ff2c04f16b441331d07df86c2f09a03

    SHA1

    cb43ff5203ac64914f3a1867c18ee333b109605a

    SHA256

    055f30c26ee03fe526b64bd543e0ba45632c68bcc627dbb5f9d2a53a9f99b6fb

    SHA512

    e063191fbcb28379d02017849acaa5f99e3f9078a32e9ce2bfc5c1e18784e4de8804a83c2b41d1b8870b92cc2ce7d90753255e2b25dcdf121923826d1d816893

  • C:\Users\Admin\AppData\Local\Temp\pegfwj-v.dll

    Filesize

    5KB

    MD5

    a934ff52bf83c89a76af43da9104bddf

    SHA1

    7e00da72764a8ac2ad929fa2f64d573b2c881487

    SHA256

    4db562dd512a09e1cab30352352aa203c11eebd6a8b3270bf5a4ddd5ad3d7e13

    SHA512

    3f1806245464dd54ff7b1d172ad020494429b674c1898d559cf99af3c312ea3990c89111557974838195c0726c1d3092d440d439d008d2c0d43d7d1e9ecf0905

  • \??\c:\Users\Admin\AppData\Local\Temp\CSC867E.tmp

    Filesize

    652B

    MD5

    c71644a0d3e19d1b9f2415a5bd9fb5c4

    SHA1

    4b595e74ba311bf069bf988fdb4914f4b7ad2528

    SHA256

    c24ee38f07b4bc6739e8fa91257204dd973634a418e97c04427d9e1cac2b3505

    SHA512

    946317b4acb346356f421b477a5181b523b9d2d36e0aa2fadfec28cf5c17bf406439f9133420e60178820ed1a32784669454715d05573f85b9aeae62dbc34b01

  • \??\c:\Users\Admin\AppData\Local\Temp\pegfwj-v.0.cs

    Filesize

    5KB

    MD5

    cb25540570735d26bf391e8b54579396

    SHA1

    135651d49409214d21348bb879f7973384a7a8cb

    SHA256

    922ec415710a6e1465ed8553838ddf19c8deb32b75da6dfaca372c1067d2d743

    SHA512

    553ce9d3647b196ccbd6612c06d301afac992130ec5c80fe8fa8a42bab4250053fad651227ff97d9fab4ba8aaff562d421236dc0b2b5d0d4a17430985dd07080

  • \??\c:\Users\Admin\AppData\Local\Temp\pegfwj-v.cmdline

    Filesize

    206B

    MD5

    68a911a8a7be964b7e0a97e045566b1c

    SHA1

    b2e65bb7963ff01027a32f25a8148a6c7ca86f08

    SHA256

    7e696e95ad5581016d2aac1a20cdbe6cc5f8267472fd9e448cbbbacdeef858f3

    SHA512

    aef0910d38834b19fdb46006ef67d9cc551fd0f8a0a234423990163b046687deaa77cd7f99006054f984334f1cd5179de86449bd1f3e5bbba1061bd9ef0e652d

  • \Users\Admin\AppData\Roaming\feea738c5a1eb0b22d65f78dd78caa62_JaffaCakes118.exe

    Filesize

    6KB

    MD5

    d89fdbb4172cee2b2f41033e62c677d6

    SHA1

    c1917b579551f0915f1a0a8e8e3c7a6809284e6b

    SHA256

    2cbdc0ddc7901a9b89615cc338f63e1800f864db431e7a7a85749f73cba0b383

    SHA512

    48941f08ae00d342b52e3255b99ce36abb4e46a48075a760869bc86b1a32c0737eb2bd5e43d5ee665303ab134282f9732738755c4027043ed2d4f414faab63ed

  • memory/1984-39-0x0000000074F10000-0x00000000754BB000-memory.dmp

    Filesize

    5.7MB

  • memory/1984-1-0x0000000074F10000-0x00000000754BB000-memory.dmp

    Filesize

    5.7MB

  • memory/1984-0-0x0000000074F11000-0x0000000074F12000-memory.dmp

    Filesize

    4KB

  • memory/1984-2-0x0000000074F10000-0x00000000754BB000-memory.dmp

    Filesize

    5.7MB

  • memory/2136-49-0x0000000077310000-0x0000000077420000-memory.dmp

    Filesize

    1.1MB

  • memory/2136-47-0x0000000077310000-0x0000000077420000-memory.dmp

    Filesize

    1.1MB

  • memory/2136-28-0x0000000000400000-0x00000000004DA000-memory.dmp

    Filesize

    872KB

  • memory/2136-35-0x0000000000400000-0x00000000004DA000-memory.dmp

    Filesize

    872KB

  • memory/2136-27-0x0000000000400000-0x00000000004DA000-memory.dmp

    Filesize

    872KB

  • memory/2136-29-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2136-36-0x0000000000400000-0x00000000004DA000-memory.dmp

    Filesize

    872KB

  • memory/2136-37-0x0000000000400000-0x00000000004DA000-memory.dmp

    Filesize

    872KB

  • memory/2136-71-0x0000000000400000-0x00000000004DA000-memory.dmp

    Filesize

    872KB

  • memory/2136-34-0x0000000000400000-0x00000000004DA000-memory.dmp

    Filesize

    872KB

  • memory/2136-31-0x0000000000400000-0x00000000004DA000-memory.dmp

    Filesize

    872KB

  • memory/2136-67-0x0000000000400000-0x00000000004DA000-memory.dmp

    Filesize

    872KB

  • memory/2136-48-0x0000000077310000-0x0000000077420000-memory.dmp

    Filesize

    1.1MB

  • memory/2136-25-0x0000000000400000-0x00000000004DA000-memory.dmp

    Filesize

    872KB

  • memory/2136-46-0x0000000077328000-0x0000000077329000-memory.dmp

    Filesize

    4KB

  • memory/2136-50-0x0000000000400000-0x00000000004DA000-memory.dmp

    Filesize

    872KB

  • memory/2136-51-0x0000000077310000-0x0000000077420000-memory.dmp

    Filesize

    1.1MB

  • memory/2136-52-0x0000000077310000-0x0000000077420000-memory.dmp

    Filesize

    1.1MB

  • memory/2136-54-0x0000000077310000-0x0000000077420000-memory.dmp

    Filesize

    1.1MB

  • memory/2136-55-0x0000000000400000-0x00000000004DA000-memory.dmp

    Filesize

    872KB

  • memory/2136-57-0x0000000000400000-0x00000000004DA000-memory.dmp

    Filesize

    872KB

  • memory/2136-58-0x0000000000400000-0x00000000004DA000-memory.dmp

    Filesize

    872KB

  • memory/2136-59-0x0000000000400000-0x00000000004DA000-memory.dmp

    Filesize

    872KB

  • memory/2136-62-0x0000000000400000-0x00000000004DA000-memory.dmp

    Filesize

    872KB

  • memory/2136-66-0x0000000000400000-0x00000000004DA000-memory.dmp

    Filesize

    872KB

  • memory/2188-8-0x0000000074F10000-0x00000000754BB000-memory.dmp

    Filesize

    5.7MB

  • memory/2188-15-0x0000000074F10000-0x00000000754BB000-memory.dmp

    Filesize

    5.7MB