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Analysis
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max time kernel
143s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
01/10/2024, 10:28
Static task
static1
Behavioral task
behavioral1
Sample
0578321729b1d442e350458365792b58_JaffaCakes118.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
0578321729b1d442e350458365792b58_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
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Target
0578321729b1d442e350458365792b58_JaffaCakes118.exe
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Size
42KB
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MD5
0578321729b1d442e350458365792b58
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SHA1
1642eccc79d49086e24781957ad61bc1617ce3eb
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SHA256
b97dfc5e9713b05f1ce85dc7dd9a982af513b271eb06e0dd65f241e6bf75cf50
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SHA512
d9d79206c579a6ef1c21c6ae077b20124e86e2ef18be595dcf099b8db3fb504b16f3623f718535bfcf0cf14ac84b4ed33f91e59bc5f4723b285786d084b72059
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SSDEEP
768:dFDZ297K733ZL4OsPDsJOQICmcS7miUCbCB0ZOYirm3V1yoaChDl1F/oKaW7WXJo:oe18OyszIz7miUCbcYomLaoDHRJaW7
Malware Config
Signatures
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Modifies firewall policy service 3 TTPs 5 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List WmInit.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile WmInit.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications WmInit.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List WmInit.exe Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\WmInit.exe = "C:\\Windows\\SysWOW64\\WmInit.exe:*:Enabled:Microsoft Windows Media" WmInit.exe -
Deletes itself 1 IoCs
pid Process 4868 WmInit.exe -
Executes dropped EXE 1 IoCs
pid Process 4868 WmInit.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Media = "C:\\Windows\\SysWOW64\\WmInit.exe" WmInit.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File created C:\Windows\SysWOW64\tmp WmInit.exe File opened for modification C:\Windows\SysWOW64\tmp 0578321729b1d442e350458365792b58_JaffaCakes118.exe File created C:\Windows\SysWOW64\tmp 0578321729b1d442e350458365792b58_JaffaCakes118.exe File created C:\Windows\SysWOW64\WmInit.dat 0578321729b1d442e350458365792b58_JaffaCakes118.exe File opened for modification C:\Windows\SysWOW64\WmInit.exe 0578321729b1d442e350458365792b58_JaffaCakes118.exe File created C:\Windows\SysWOW64\WmInit.exe 0578321729b1d442e350458365792b58_JaffaCakes118.exe File opened for modification C:\Windows\SysWOW64\tmp WmInit.exe -
System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 0578321729b1d442e350458365792b58_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language WmInit.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4716 wrote to memory of 4868 4716 0578321729b1d442e350458365792b58_JaffaCakes118.exe 82 PID 4716 wrote to memory of 4868 4716 0578321729b1d442e350458365792b58_JaffaCakes118.exe 82 PID 4716 wrote to memory of 4868 4716 0578321729b1d442e350458365792b58_JaffaCakes118.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\0578321729b1d442e350458365792b58_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\0578321729b1d442e350458365792b58_JaffaCakes118.exe"1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4716 -
C:\Windows\SysWOW64\WmInit.exe"C:\Windows\system32\WmInit.exe" "C:\Users\Admin\AppData\Local\Temp\0578321729b1d442e350458365792b58_JaffaCakes118.exe"2⤵
- Modifies firewall policy service
- Deletes itself
- Executes dropped EXE
- Adds Run key to start application
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
PID:4868
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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
1Replay Monitor
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Downloads
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Filesize
8B
MD5cb9b7eb6230efe62ef7303c050eab2ac
SHA1656c9af78455b8fc87d336ace06ace7f0b357592
SHA2566b06ef267c38d23fa4968cbcfc854dcbad32624da0a95c1d0040f22f04897fc3
SHA51235004b74b3c632db92e21c82a192b90a1b60562af89476827d8863245de747d0ed1296540a5b4afa99bf7e9282f9445278283e0de156ec5d79b9564ac94dcd61
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Filesize
33.4MB
MD55d0e24c9886692237fc6225d2d0b954c
SHA188e89edefa9b4eb895a78f48a7dd8d3c2fa50479
SHA256cbe1457268fe8b94f652ae6d21da62e2fe96cd5eb02186069311a25f22c0db68
SHA512c5d4ef20072d5816630fec5a90ccfb1ab83ab6f695f966a129a4701c78b811d5a78bdc46657eae5f6ec4686b1c14ec60eeaba844ed755d1ff6e96f0aaa5592c3