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Analysis
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max time kernel
140s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240705-en -
resource tags
arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system -
submitted
14/07/2024, 12:39
Static task
static1
Behavioral task
behavioral1
Sample
45d914aa33dab28da680b540fe6881b9_JaffaCakes118.exe
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
45d914aa33dab28da680b540fe6881b9_JaffaCakes118.exe
Resource
win10v2004-20240709-en
General
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Target
45d914aa33dab28da680b540fe6881b9_JaffaCakes118.exe
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Size
180KB
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MD5
45d914aa33dab28da680b540fe6881b9
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SHA1
ffebf349459c66e756b434003d2b156041d321b5
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SHA256
80e0bcab1019f4f7f155297fd9dc7b064bb113135303a97a2833e2439117d8d9
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SHA512
dcc66ebf801b428aa6a7ee51934c815a580090597852c88ba99e66b797f87c225d55d5d0c9091c89dee06d39a009f8719f9a8931cb4c1094ff4597c3fb01bdba
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SSDEEP
3072:ib1J/ykAEd6Ja3l7lP1lnKlNgOCV1cmbNeUNKV56lwzhbmmsv2eCjvPyAu:k1hDATJel7lPKi/cmZLduhbE4Nu
Malware Config
Extracted
metasploit
encoder/call4_dword_xor
Signatures
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MetaSploit
Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.
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Modifies firewall policy service 3 TTPs 4 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List wmpkl32.exe Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\wmpkl32.exe = "C:\\Windows\\SysWOW64\\wmpkl32.exe:*:Enabled:WinMedia Services" wmpkl32.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List wmpkl32.exe Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\wmpkl32.exe = "C:\\Windows\\SysWOW64\\wmpkl32.exe:*:Enabled:WinMedia Services" wmpkl32.exe -
Deletes itself 1 IoCs
pid Process 2712 wmpkl32.exe -
Executes dropped EXE 2 IoCs
pid Process 2944 wmpkl32.exe 2712 wmpkl32.exe -
Loads dropped DLL 2 IoCs
pid Process 2384 45d914aa33dab28da680b540fe6881b9_JaffaCakes118.exe 2384 45d914aa33dab28da680b540fe6881b9_JaffaCakes118.exe -
resource yara_rule behavioral1/memory/2384-6-0x0000000000400000-0x0000000000451000-memory.dmp upx behavioral1/memory/2384-8-0x0000000000400000-0x0000000000451000-memory.dmp upx behavioral1/memory/2384-4-0x0000000000400000-0x0000000000451000-memory.dmp upx behavioral1/memory/2384-10-0x0000000000400000-0x0000000000451000-memory.dmp upx behavioral1/memory/2384-11-0x0000000000400000-0x0000000000451000-memory.dmp upx behavioral1/memory/2384-9-0x0000000000400000-0x0000000000451000-memory.dmp upx behavioral1/memory/2384-2-0x0000000000400000-0x0000000000451000-memory.dmp upx behavioral1/memory/2384-12-0x0000000000400000-0x0000000000451000-memory.dmp upx behavioral1/memory/2384-25-0x0000000000400000-0x0000000000451000-memory.dmp upx behavioral1/memory/2712-39-0x0000000000400000-0x0000000000451000-memory.dmp upx behavioral1/memory/2712-38-0x0000000000400000-0x0000000000451000-memory.dmp upx behavioral1/memory/2712-37-0x0000000000400000-0x0000000000451000-memory.dmp upx behavioral1/memory/2712-36-0x0000000000400000-0x0000000000451000-memory.dmp upx behavioral1/memory/2712-40-0x0000000000400000-0x0000000000451000-memory.dmp upx behavioral1/memory/2712-41-0x0000000000400000-0x0000000000451000-memory.dmp upx behavioral1/memory/2712-45-0x0000000000400000-0x0000000000451000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\WinMedia Services = "C:\\Windows\\SysWOW64\\wmpkl32.exe" wmpkl32.exe -
Maps connected drives based on registry 3 TTPs 4 IoCs
Disk information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum 45d914aa33dab28da680b540fe6881b9_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 45d914aa33dab28da680b540fe6881b9_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum wmpkl32.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 wmpkl32.exe -
Drops file in System32 directory 4 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\ 45d914aa33dab28da680b540fe6881b9_JaffaCakes118.exe File opened for modification C:\Windows\SysWOW64\wmpkl32.exe 45d914aa33dab28da680b540fe6881b9_JaffaCakes118.exe File created C:\Windows\SysWOW64\wmpkl32.exe 45d914aa33dab28da680b540fe6881b9_JaffaCakes118.exe File opened for modification C:\Windows\SysWOW64\ wmpkl32.exe -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 2224 set thread context of 2384 2224 45d914aa33dab28da680b540fe6881b9_JaffaCakes118.exe 30 PID 2944 set thread context of 2712 2944 wmpkl32.exe 33 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 2384 45d914aa33dab28da680b540fe6881b9_JaffaCakes118.exe 2384 45d914aa33dab28da680b540fe6881b9_JaffaCakes118.exe 2712 wmpkl32.exe 2712 wmpkl32.exe -
Suspicious use of WriteProcessMemory 20 IoCs
description pid Process procid_target PID 2224 wrote to memory of 2384 2224 45d914aa33dab28da680b540fe6881b9_JaffaCakes118.exe 30 PID 2224 wrote to memory of 2384 2224 45d914aa33dab28da680b540fe6881b9_JaffaCakes118.exe 30 PID 2224 wrote to memory of 2384 2224 45d914aa33dab28da680b540fe6881b9_JaffaCakes118.exe 30 PID 2224 wrote to memory of 2384 2224 45d914aa33dab28da680b540fe6881b9_JaffaCakes118.exe 30 PID 2224 wrote to memory of 2384 2224 45d914aa33dab28da680b540fe6881b9_JaffaCakes118.exe 30 PID 2224 wrote to memory of 2384 2224 45d914aa33dab28da680b540fe6881b9_JaffaCakes118.exe 30 PID 2224 wrote to memory of 2384 2224 45d914aa33dab28da680b540fe6881b9_JaffaCakes118.exe 30 PID 2384 wrote to memory of 2944 2384 45d914aa33dab28da680b540fe6881b9_JaffaCakes118.exe 32 PID 2384 wrote to memory of 2944 2384 45d914aa33dab28da680b540fe6881b9_JaffaCakes118.exe 32 PID 2384 wrote to memory of 2944 2384 45d914aa33dab28da680b540fe6881b9_JaffaCakes118.exe 32 PID 2384 wrote to memory of 2944 2384 45d914aa33dab28da680b540fe6881b9_JaffaCakes118.exe 32 PID 2944 wrote to memory of 2712 2944 wmpkl32.exe 33 PID 2944 wrote to memory of 2712 2944 wmpkl32.exe 33 PID 2944 wrote to memory of 2712 2944 wmpkl32.exe 33 PID 2944 wrote to memory of 2712 2944 wmpkl32.exe 33 PID 2944 wrote to memory of 2712 2944 wmpkl32.exe 33 PID 2944 wrote to memory of 2712 2944 wmpkl32.exe 33 PID 2944 wrote to memory of 2712 2944 wmpkl32.exe 33 PID 2712 wrote to memory of 1240 2712 wmpkl32.exe 21 PID 2712 wrote to memory of 1240 2712 wmpkl32.exe 21
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:1240
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C:\Users\Admin\AppData\Local\Temp\45d914aa33dab28da680b540fe6881b9_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\45d914aa33dab28da680b540fe6881b9_JaffaCakes118.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2224 -
C:\Users\Admin\AppData\Local\Temp\45d914aa33dab28da680b540fe6881b9_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\45d914aa33dab28da680b540fe6881b9_JaffaCakes118.exe"3⤵
- Loads dropped DLL
- Maps connected drives based on registry
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2384 -
C:\Windows\SysWOW64\wmpkl32.exe"C:\Windows\SysWOW64\wmpkl32.exe" C:\Users\Admin\AppData\Local\Temp\45D914~1.EXE4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2944 -
C:\Windows\SysWOW64\wmpkl32.exe"C:\Windows\SysWOW64\wmpkl32.exe" C:\Users\Admin\AppData\Local\Temp\45D914~1.EXE5⤵
- Modifies firewall policy service
- Deletes itself
- Executes dropped EXE
- Adds Run key to start application
- Maps connected drives based on registry
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2712
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Defense Evasion
Impair Defenses
1Disable or Modify System Firewall
1Modify Registry
2Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
180KB
MD545d914aa33dab28da680b540fe6881b9
SHA1ffebf349459c66e756b434003d2b156041d321b5
SHA25680e0bcab1019f4f7f155297fd9dc7b064bb113135303a97a2833e2439117d8d9
SHA512dcc66ebf801b428aa6a7ee51934c815a580090597852c88ba99e66b797f87c225d55d5d0c9091c89dee06d39a009f8719f9a8931cb4c1094ff4597c3fb01bdba