Analysis
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max time kernel
150s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
10-08-2024 02:12
Static task
static1
Behavioral task
behavioral1
Sample
846f8d936f608d3000ded4691a81c0f3_JaffaCakes118.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
846f8d936f608d3000ded4691a81c0f3_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
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Target
846f8d936f608d3000ded4691a81c0f3_JaffaCakes118.exe
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Size
240KB
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MD5
846f8d936f608d3000ded4691a81c0f3
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SHA1
d6e42d2c39c8e1f2d898a2c5679e13faf6597e50
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SHA256
f1a16f6850f31cc8f6715bb641ce3c002b25554f92b5f83f16ef3a4726712d1b
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SHA512
80fb5c5635e22c38b768d23f64ac404cf015b0a52ff2f8543c0eb5a803121b7c2981ac71feb6fc5fb13eb89c4d33d74b84b1f99df7eb166ee49e0d92d3950290
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SSDEEP
6144:tU13dwqsNwemAB0EqxF6snji81RUinKchhyZS36:edQQJsAK
Malware Config
Signatures
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Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 846f8d936f608d3000ded4691a81c0f3_JaffaCakes118.exe Set value (int) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" vfbuz.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-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation 846f8d936f608d3000ded4691a81c0f3_JaffaCakes118.exe -
Executes dropped EXE 1 IoCs
pid Process 3460 vfbuz.exe -
Adds Run key to start application 2 TTPs 27 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vfbuz = "C:\\Users\\Admin\\vfbuz.exe /u" vfbuz.exe Set value (str) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vfbuz = "C:\\Users\\Admin\\vfbuz.exe /o" vfbuz.exe Set value (str) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vfbuz = "C:\\Users\\Admin\\vfbuz.exe /b" vfbuz.exe Set value (str) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vfbuz = "C:\\Users\\Admin\\vfbuz.exe /t" vfbuz.exe Set value (str) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vfbuz = "C:\\Users\\Admin\\vfbuz.exe /r" vfbuz.exe Set value (str) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vfbuz = "C:\\Users\\Admin\\vfbuz.exe /a" vfbuz.exe Set value (str) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vfbuz = "C:\\Users\\Admin\\vfbuz.exe /q" vfbuz.exe Set value (str) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vfbuz = "C:\\Users\\Admin\\vfbuz.exe /p" 846f8d936f608d3000ded4691a81c0f3_JaffaCakes118.exe Set value (str) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vfbuz = "C:\\Users\\Admin\\vfbuz.exe /g" vfbuz.exe Set value (str) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vfbuz = "C:\\Users\\Admin\\vfbuz.exe /i" vfbuz.exe Set value (str) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vfbuz = "C:\\Users\\Admin\\vfbuz.exe /c" vfbuz.exe Set value (str) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vfbuz = "C:\\Users\\Admin\\vfbuz.exe /e" vfbuz.exe Set value (str) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vfbuz = "C:\\Users\\Admin\\vfbuz.exe /v" vfbuz.exe Set value (str) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vfbuz = "C:\\Users\\Admin\\vfbuz.exe /m" vfbuz.exe Set value (str) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vfbuz = "C:\\Users\\Admin\\vfbuz.exe /f" vfbuz.exe Set value (str) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vfbuz = "C:\\Users\\Admin\\vfbuz.exe /y" vfbuz.exe Set value (str) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vfbuz = "C:\\Users\\Admin\\vfbuz.exe /z" vfbuz.exe Set value (str) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vfbuz = "C:\\Users\\Admin\\vfbuz.exe /x" vfbuz.exe Set value (str) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vfbuz = "C:\\Users\\Admin\\vfbuz.exe /p" vfbuz.exe Set value (str) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vfbuz = "C:\\Users\\Admin\\vfbuz.exe /n" vfbuz.exe Set value (str) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vfbuz = "C:\\Users\\Admin\\vfbuz.exe /j" vfbuz.exe Set value (str) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vfbuz = "C:\\Users\\Admin\\vfbuz.exe /w" vfbuz.exe Set value (str) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vfbuz = "C:\\Users\\Admin\\vfbuz.exe /k" vfbuz.exe Set value (str) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vfbuz = "C:\\Users\\Admin\\vfbuz.exe /h" vfbuz.exe Set value (str) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vfbuz = "C:\\Users\\Admin\\vfbuz.exe /l" vfbuz.exe Set value (str) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vfbuz = "C:\\Users\\Admin\\vfbuz.exe /s" vfbuz.exe Set value (str) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vfbuz = "C:\\Users\\Admin\\vfbuz.exe /d" vfbuz.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 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 846f8d936f608d3000ded4691a81c0f3_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language vfbuz.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3240 846f8d936f608d3000ded4691a81c0f3_JaffaCakes118.exe 3240 846f8d936f608d3000ded4691a81c0f3_JaffaCakes118.exe 3460 vfbuz.exe 3460 vfbuz.exe 3460 vfbuz.exe 3460 vfbuz.exe 3460 vfbuz.exe 3460 vfbuz.exe 3460 vfbuz.exe 3460 vfbuz.exe 3460 vfbuz.exe 3460 vfbuz.exe 3460 vfbuz.exe 3460 vfbuz.exe 3460 vfbuz.exe 3460 vfbuz.exe 3460 vfbuz.exe 3460 vfbuz.exe 3460 vfbuz.exe 3460 vfbuz.exe 3460 vfbuz.exe 3460 vfbuz.exe 3460 vfbuz.exe 3460 vfbuz.exe 3460 vfbuz.exe 3460 vfbuz.exe 3460 vfbuz.exe 3460 vfbuz.exe 3460 vfbuz.exe 3460 vfbuz.exe 3460 vfbuz.exe 3460 vfbuz.exe 3460 vfbuz.exe 3460 vfbuz.exe 3460 vfbuz.exe 3460 vfbuz.exe 3460 vfbuz.exe 3460 vfbuz.exe 3460 vfbuz.exe 3460 vfbuz.exe 3460 vfbuz.exe 3460 vfbuz.exe 3460 vfbuz.exe 3460 vfbuz.exe 3460 vfbuz.exe 3460 vfbuz.exe 3460 vfbuz.exe 3460 vfbuz.exe 3460 vfbuz.exe 3460 vfbuz.exe 3460 vfbuz.exe 3460 vfbuz.exe 3460 vfbuz.exe 3460 vfbuz.exe 3460 vfbuz.exe 3460 vfbuz.exe 3460 vfbuz.exe 3460 vfbuz.exe 3460 vfbuz.exe 3460 vfbuz.exe 3460 vfbuz.exe 3460 vfbuz.exe 3460 vfbuz.exe 3460 vfbuz.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 3240 846f8d936f608d3000ded4691a81c0f3_JaffaCakes118.exe 3460 vfbuz.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3240 wrote to memory of 3460 3240 846f8d936f608d3000ded4691a81c0f3_JaffaCakes118.exe 91 PID 3240 wrote to memory of 3460 3240 846f8d936f608d3000ded4691a81c0f3_JaffaCakes118.exe 91 PID 3240 wrote to memory of 3460 3240 846f8d936f608d3000ded4691a81c0f3_JaffaCakes118.exe 91
Processes
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C:\Users\Admin\AppData\Local\Temp\846f8d936f608d3000ded4691a81c0f3_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\846f8d936f608d3000ded4691a81c0f3_JaffaCakes118.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3240 -
C:\Users\Admin\vfbuz.exe"C:\Users\Admin\vfbuz.exe"2⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:3460
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Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Hide Artifacts
1Hidden Files and Directories
1Modify Registry
2Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
240KB
MD56841befda012843c380a1875bcdef71b
SHA1191abc6d1cd83a68521e2bf17615542ff95bf62c
SHA2569ab9c8185b7fae454d7485910260f7c5f01cde8616b0ae4bd2516c14929d2d8a
SHA5124a6ecc3a8555569cc6f23288cc8b99816a41692aad2f70b6fca7c3071373e33be19b3ac2fb91c1a847ec9814d69e187881b3b4eebb058f141942dbd10c6a29a0