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Analysis
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max time kernel
95s -
max time network
141s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
19/09/2024, 11:21
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
eb39a3cd1b1ba521c1afc88cc8adcbaa_JaffaCakes118.exe
Resource
win7-20240903-en
windows7-x64
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
eb39a3cd1b1ba521c1afc88cc8adcbaa_JaffaCakes118.exe
Resource
win10v2004-20240802-en
windows10-2004-x64
11 signatures
150 seconds
General
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Target
eb39a3cd1b1ba521c1afc88cc8adcbaa_JaffaCakes118.exe
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Size
134KB
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MD5
eb39a3cd1b1ba521c1afc88cc8adcbaa
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SHA1
6958de247ff038d51b1f41d282e9c015fd4f967b
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SHA256
f0603f5a1cc16b517fc3658ebe988a7e73aed572906c8597b8115f7161aadb84
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SHA512
0e774f81e2052766659bb99bec4520dcff477ffeadae054aacfd0e517e4bf26716555537d95590df8411112b038deec404a7bfa62324a1c6273943a34dc6853e
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SSDEEP
3072:pVz8NPIGuuPwg74pLBD47NFPfK6xjcWf6eBHTBfb82H9:pF83b74px47z96AHTBj82d
Score
8/10
Malware Config
Signatures
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Boot or Logon Autostart Execution: Active Setup 2 TTPs 2 IoCs
Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.
description ioc Process Key created \REGISTRY\MACHINE\sOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{2bf41070-b2b1-21d1-b5c1-0305f4055515} svcr.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{2bf41070-b2b1-21d1-b5c1-0305f4055515}\StubPath = "C:\\windows\\svcr.exe" svcr.exe -
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-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation eb39a3cd1b1ba521c1afc88cc8adcbaa_JaffaCakes118.exe -
Deletes itself 1 IoCs
pid Process 4140 svcr.exe -
Executes dropped EXE 1 IoCs
pid Process 4140 svcr.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\system = "C:\\Windows\\svcr.exe" eb39a3cd1b1ba521c1afc88cc8adcbaa_JaffaCakes118.exe Set value (str) \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\system = "C:\\Windows\\svcr.exe" eb39a3cd1b1ba521c1afc88cc8adcbaa_JaffaCakes118.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\svcr.exe eb39a3cd1b1ba521c1afc88cc8adcbaa_JaffaCakes118.exe File created C:\Windows\svcr.exe eb39a3cd1b1ba521c1afc88cc8adcbaa_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 3 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 eb39a3cd1b1ba521c1afc88cc8adcbaa_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language NOTEPAD.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svcr.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 532 eb39a3cd1b1ba521c1afc88cc8adcbaa_JaffaCakes118.exe 532 eb39a3cd1b1ba521c1afc88cc8adcbaa_JaffaCakes118.exe 4140 svcr.exe 4140 svcr.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4140 svcr.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 532 wrote to memory of 4592 532 eb39a3cd1b1ba521c1afc88cc8adcbaa_JaffaCakes118.exe 82 PID 532 wrote to memory of 4592 532 eb39a3cd1b1ba521c1afc88cc8adcbaa_JaffaCakes118.exe 82 PID 532 wrote to memory of 4592 532 eb39a3cd1b1ba521c1afc88cc8adcbaa_JaffaCakes118.exe 82 PID 532 wrote to memory of 4140 532 eb39a3cd1b1ba521c1afc88cc8adcbaa_JaffaCakes118.exe 83 PID 532 wrote to memory of 4140 532 eb39a3cd1b1ba521c1afc88cc8adcbaa_JaffaCakes118.exe 83 PID 532 wrote to memory of 4140 532 eb39a3cd1b1ba521c1afc88cc8adcbaa_JaffaCakes118.exe 83 PID 4140 wrote to memory of 3984 4140 svcr.exe 84 PID 4140 wrote to memory of 3984 4140 svcr.exe 84 PID 4140 wrote to memory of 3984 4140 svcr.exe 84 PID 4140 wrote to memory of 3984 4140 svcr.exe 84 PID 4140 wrote to memory of 3984 4140 svcr.exe 84 PID 4140 wrote to memory of 3984 4140 svcr.exe 84 PID 4140 wrote to memory of 3984 4140 svcr.exe 84 PID 4140 wrote to memory of 3984 4140 svcr.exe 84 PID 4140 wrote to memory of 3984 4140 svcr.exe 84 PID 4140 wrote to memory of 3984 4140 svcr.exe 84 PID 4140 wrote to memory of 3984 4140 svcr.exe 84 PID 4140 wrote to memory of 3984 4140 svcr.exe 84 PID 4140 wrote to memory of 3984 4140 svcr.exe 84 PID 4140 wrote to memory of 3984 4140 svcr.exe 84 PID 4140 wrote to memory of 3984 4140 svcr.exe 84 PID 4140 wrote to memory of 3984 4140 svcr.exe 84 PID 4140 wrote to memory of 3984 4140 svcr.exe 84 PID 4140 wrote to memory of 3984 4140 svcr.exe 84 PID 4140 wrote to memory of 3984 4140 svcr.exe 84 PID 4140 wrote to memory of 3984 4140 svcr.exe 84 PID 4140 wrote to memory of 3984 4140 svcr.exe 84 PID 4140 wrote to memory of 3984 4140 svcr.exe 84 PID 4140 wrote to memory of 3984 4140 svcr.exe 84 PID 4140 wrote to memory of 3984 4140 svcr.exe 84 PID 4140 wrote to memory of 3984 4140 svcr.exe 84 PID 4140 wrote to memory of 3984 4140 svcr.exe 84 PID 4140 wrote to memory of 3984 4140 svcr.exe 84 PID 4140 wrote to memory of 3984 4140 svcr.exe 84 PID 4140 wrote to memory of 3984 4140 svcr.exe 84 PID 4140 wrote to memory of 3984 4140 svcr.exe 84 PID 4140 wrote to memory of 3984 4140 svcr.exe 84 PID 4140 wrote to memory of 3984 4140 svcr.exe 84 PID 4140 wrote to memory of 3984 4140 svcr.exe 84 PID 4140 wrote to memory of 3984 4140 svcr.exe 84 PID 4140 wrote to memory of 3984 4140 svcr.exe 84 PID 4140 wrote to memory of 3984 4140 svcr.exe 84 PID 4140 wrote to memory of 3984 4140 svcr.exe 84 PID 4140 wrote to memory of 3984 4140 svcr.exe 84 PID 4140 wrote to memory of 3984 4140 svcr.exe 84 PID 4140 wrote to memory of 3984 4140 svcr.exe 84 PID 4140 wrote to memory of 3984 4140 svcr.exe 84 PID 4140 wrote to memory of 3984 4140 svcr.exe 84 PID 4140 wrote to memory of 3984 4140 svcr.exe 84 PID 4140 wrote to memory of 3984 4140 svcr.exe 84 PID 4140 wrote to memory of 3984 4140 svcr.exe 84 PID 4140 wrote to memory of 3984 4140 svcr.exe 84 PID 4140 wrote to memory of 3984 4140 svcr.exe 84 PID 4140 wrote to memory of 3984 4140 svcr.exe 84 PID 4140 wrote to memory of 3984 4140 svcr.exe 84 PID 4140 wrote to memory of 3984 4140 svcr.exe 84 PID 4140 wrote to memory of 3984 4140 svcr.exe 84 PID 4140 wrote to memory of 3984 4140 svcr.exe 84 PID 4140 wrote to memory of 3984 4140 svcr.exe 84 PID 4140 wrote to memory of 3984 4140 svcr.exe 84 PID 4140 wrote to memory of 3984 4140 svcr.exe 84 PID 4140 wrote to memory of 3984 4140 svcr.exe 84 PID 4140 wrote to memory of 3984 4140 svcr.exe 84 PID 4140 wrote to memory of 3984 4140 svcr.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\eb39a3cd1b1ba521c1afc88cc8adcbaa_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\eb39a3cd1b1ba521c1afc88cc8adcbaa_JaffaCakes118.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:532 -
C:\Windows\SysWOW64\NOTEPAD.EXENOTEPAD.EXE2⤵
- System Location Discovery: System Language Discovery
PID:4592
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C:\Windows\svcr.exe"C:\Windows\svcr.exe" "C:\Users\Admin\AppData\Local\Temp\eb39a3cd1b1ba521c1afc88cc8adcbaa_JaffaCakes118.exe"2⤵
- Boot or Logon Autostart Execution: Active Setup
- Deletes itself
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4140 -
C:\Windows\NOTEPAD.EXENOTEPAD.EXE3⤵PID:3984
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Active Setup
1Registry Run Keys / Startup Folder
1Privilege Escalation
Boot or Logon Autostart Execution
2Active Setup
1Registry Run Keys / Startup Folder
1Replay Monitor
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Downloads
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Filesize
134KB
MD5eb39a3cd1b1ba521c1afc88cc8adcbaa
SHA16958de247ff038d51b1f41d282e9c015fd4f967b
SHA256f0603f5a1cc16b517fc3658ebe988a7e73aed572906c8597b8115f7161aadb84
SHA5120e774f81e2052766659bb99bec4520dcff477ffeadae054aacfd0e517e4bf26716555537d95590df8411112b038deec404a7bfa62324a1c6273943a34dc6853e