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Analysis
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max time kernel
131s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
14/12/2024, 16:34
Behavioral task
behavioral1
Sample
efaf6b3da78cb5652deb0e1bc5ce41c0_JaffaCakes118.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
efaf6b3da78cb5652deb0e1bc5ce41c0_JaffaCakes118.exe
Resource
win10v2004-20241007-en
General
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Target
efaf6b3da78cb5652deb0e1bc5ce41c0_JaffaCakes118.exe
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Size
3.6MB
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MD5
efaf6b3da78cb5652deb0e1bc5ce41c0
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SHA1
8ee377ce62d6d0a0d984af18dee3dd4d6a09907c
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SHA256
e980ed54936d4fa9dc089bcddd17c7077eb8e1c59f6152fb9491ee9cca9854e9
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SHA512
4cf1055d8687eb90410b94626a74fda7eb58eeda9e01975c852fb94362aabaeef15f788abcc163bcd09c8956adcfc001a6066fd6364029b548c9066ac21fbfaf
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SSDEEP
49152:o852ZjeUNZZH46HsnHVT5ZA+acdD6xXTIs:oU6eUNZZJHsHm
Malware Config
Extracted
sakula
www.polarroute.com
Signatures
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Sakula family
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Sakula payload 1 IoCs
resource yara_rule behavioral2/files/0x0007000000023c66-2.dat family_sakula -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation efaf6b3da78cb5652deb0e1bc5ce41c0_JaffaCakes118.exe -
Executes dropped EXE 1 IoCs
pid Process 2932 MediaCenter.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\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" efaf6b3da78cb5652deb0e1bc5ce41c0_JaffaCakes118.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 4 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 efaf6b3da78cb5652deb0e1bc5ce41c0_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language MediaCenter.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language PING.EXE -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 1028 cmd.exe 4860 PING.EXE -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 4860 PING.EXE -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 2716 efaf6b3da78cb5652deb0e1bc5ce41c0_JaffaCakes118.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 2716 wrote to memory of 2932 2716 efaf6b3da78cb5652deb0e1bc5ce41c0_JaffaCakes118.exe 83 PID 2716 wrote to memory of 2932 2716 efaf6b3da78cb5652deb0e1bc5ce41c0_JaffaCakes118.exe 83 PID 2716 wrote to memory of 2932 2716 efaf6b3da78cb5652deb0e1bc5ce41c0_JaffaCakes118.exe 83 PID 2716 wrote to memory of 1028 2716 efaf6b3da78cb5652deb0e1bc5ce41c0_JaffaCakes118.exe 99 PID 2716 wrote to memory of 1028 2716 efaf6b3da78cb5652deb0e1bc5ce41c0_JaffaCakes118.exe 99 PID 2716 wrote to memory of 1028 2716 efaf6b3da78cb5652deb0e1bc5ce41c0_JaffaCakes118.exe 99 PID 1028 wrote to memory of 4860 1028 cmd.exe 101 PID 1028 wrote to memory of 4860 1028 cmd.exe 101 PID 1028 wrote to memory of 4860 1028 cmd.exe 101
Processes
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C:\Users\Admin\AppData\Local\Temp\efaf6b3da78cb5652deb0e1bc5ce41c0_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\efaf6b3da78cb5652deb0e1bc5ce41c0_JaffaCakes118.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2716 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2932
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\efaf6b3da78cb5652deb0e1bc5ce41c0_JaffaCakes118.exe"2⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:1028 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:4860
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Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Replay Monitor
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Downloads
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Filesize
3.6MB
MD5a53b473d3df70144ae89e91d19dcda96
SHA19b6212db523bf6bc2dfed4523544d8f987f4ec46
SHA2568a19af0b33f013bfaf1fdf5bb289ad25b6a810f601312b8a0cd7acb81d67ca7d
SHA512716796962c7299d6992fcc5c291969f6b51b138f4e2d5d375cc7aba281974e2f1010c1e4748823823b1b68871fd8658d383b39724423fd7866d6ba29a79886c8