Analysis
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max time kernel
149s -
max time network
127s -
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 06:15
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
8512cf23f77dd4630268c501f79c8d70_JaffaCakes118.exe
Resource
win7-20240704-en
windows7-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
8512cf23f77dd4630268c501f79c8d70_JaffaCakes118.exe
Resource
win10v2004-20240802-en
windows10-2004-x64
9 signatures
150 seconds
General
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Target
8512cf23f77dd4630268c501f79c8d70_JaffaCakes118.exe
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Size
100KB
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MD5
8512cf23f77dd4630268c501f79c8d70
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SHA1
39034254c43bfbb13de3782b784045039b36d65a
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SHA256
f87f7879da04e0b582f08f5d450bf7c8cd3063c1b0cb559f7c8e1684064604d6
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SHA512
3f471e7e5d2dc30f765ab8e7278009750fe8b141d2cabe4378dc981eadf52b12a6d65edf20cc20793f588a4c227cc31b2674c131dc4e754c85d1a9afc7c415c3
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SSDEEP
1536:IWh8iAuismyWsWRw0wF9MGM9K/lKtNgCMbATbL3N+NM5EfKNIjni:5WtTLOM5hCni
Score
10/10
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-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 8512cf23f77dd4630268c501f79c8d70_JaffaCakes118.exe Set value (int) \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" brnuop.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-1-5-21-2170637797-568393320-3232933035-1000\Control Panel\International\Geo\Nation 8512cf23f77dd4630268c501f79c8d70_JaffaCakes118.exe -
Executes dropped EXE 1 IoCs
pid Process 744 brnuop.exe -
Adds Run key to start application 2 TTPs 52 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\brnuop = "C:\\Users\\Admin\\brnuop.exe /J" brnuop.exe Set value (str) \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\brnuop = "C:\\Users\\Admin\\brnuop.exe /w" brnuop.exe Set value (str) \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\brnuop = "C:\\Users\\Admin\\brnuop.exe /d" brnuop.exe Set value (str) \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\brnuop = "C:\\Users\\Admin\\brnuop.exe /U" brnuop.exe Set value (str) \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\brnuop = "C:\\Users\\Admin\\brnuop.exe /l" brnuop.exe Set value (str) \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\brnuop = "C:\\Users\\Admin\\brnuop.exe /H" brnuop.exe Set value (str) \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\brnuop = "C:\\Users\\Admin\\brnuop.exe /h" brnuop.exe Set value (str) \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\brnuop = "C:\\Users\\Admin\\brnuop.exe /Z" brnuop.exe Set value (str) \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\brnuop = "C:\\Users\\Admin\\brnuop.exe /f" brnuop.exe Set value (str) \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\brnuop = "C:\\Users\\Admin\\brnuop.exe /k" brnuop.exe Set value (str) \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\brnuop = "C:\\Users\\Admin\\brnuop.exe /M" brnuop.exe Set value (str) \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\brnuop = "C:\\Users\\Admin\\brnuop.exe /b" brnuop.exe Set value (str) \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\brnuop = "C:\\Users\\Admin\\brnuop.exe /d" 8512cf23f77dd4630268c501f79c8d70_JaffaCakes118.exe Set value (str) \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\brnuop = "C:\\Users\\Admin\\brnuop.exe /K" brnuop.exe Set value (str) \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\brnuop = "C:\\Users\\Admin\\brnuop.exe /u" brnuop.exe Set value (str) \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\brnuop = "C:\\Users\\Admin\\brnuop.exe /G" brnuop.exe Set value (str) \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\brnuop = "C:\\Users\\Admin\\brnuop.exe /V" brnuop.exe Set value (str) \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\brnuop = "C:\\Users\\Admin\\brnuop.exe /O" brnuop.exe Set value (str) \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\brnuop = "C:\\Users\\Admin\\brnuop.exe /Y" brnuop.exe Set value (str) \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\brnuop = "C:\\Users\\Admin\\brnuop.exe /q" brnuop.exe Set value (str) \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\brnuop = "C:\\Users\\Admin\\brnuop.exe /C" brnuop.exe Set value (str) \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\brnuop = "C:\\Users\\Admin\\brnuop.exe /A" brnuop.exe Set value (str) \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\brnuop = "C:\\Users\\Admin\\brnuop.exe /n" brnuop.exe Set value (str) \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\brnuop = "C:\\Users\\Admin\\brnuop.exe /m" brnuop.exe Set value (str) \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\brnuop = "C:\\Users\\Admin\\brnuop.exe /R" brnuop.exe Set value (str) \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\brnuop = "C:\\Users\\Admin\\brnuop.exe /N" brnuop.exe Set value (str) \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\brnuop = "C:\\Users\\Admin\\brnuop.exe /a" brnuop.exe Set value (str) \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\brnuop = "C:\\Users\\Admin\\brnuop.exe /Q" brnuop.exe Set value (str) \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\brnuop = "C:\\Users\\Admin\\brnuop.exe /o" brnuop.exe Set value (str) \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\brnuop = "C:\\Users\\Admin\\brnuop.exe /I" brnuop.exe Set value (str) \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\brnuop = "C:\\Users\\Admin\\brnuop.exe /e" brnuop.exe Set value (str) \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\brnuop = "C:\\Users\\Admin\\brnuop.exe /B" brnuop.exe Set value (str) \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\brnuop = "C:\\Users\\Admin\\brnuop.exe /W" brnuop.exe Set value (str) \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\brnuop = "C:\\Users\\Admin\\brnuop.exe /g" brnuop.exe Set value (str) \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\brnuop = "C:\\Users\\Admin\\brnuop.exe /j" brnuop.exe Set value (str) \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\brnuop = "C:\\Users\\Admin\\brnuop.exe /z" brnuop.exe Set value (str) \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\brnuop = "C:\\Users\\Admin\\brnuop.exe /P" brnuop.exe Set value (str) \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\brnuop = "C:\\Users\\Admin\\brnuop.exe /x" brnuop.exe Set value (str) \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\brnuop = "C:\\Users\\Admin\\brnuop.exe /i" brnuop.exe Set value (str) \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\brnuop = "C:\\Users\\Admin\\brnuop.exe /S" brnuop.exe Set value (str) \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\brnuop = "C:\\Users\\Admin\\brnuop.exe /X" brnuop.exe Set value (str) \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\brnuop = "C:\\Users\\Admin\\brnuop.exe /s" brnuop.exe Set value (str) \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\brnuop = "C:\\Users\\Admin\\brnuop.exe /E" brnuop.exe Set value (str) \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\brnuop = "C:\\Users\\Admin\\brnuop.exe /t" brnuop.exe Set value (str) \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\brnuop = "C:\\Users\\Admin\\brnuop.exe /y" brnuop.exe Set value (str) \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\brnuop = "C:\\Users\\Admin\\brnuop.exe /T" brnuop.exe Set value (str) \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\brnuop = "C:\\Users\\Admin\\brnuop.exe /D" brnuop.exe Set value (str) \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\brnuop = "C:\\Users\\Admin\\brnuop.exe /v" brnuop.exe Set value (str) \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\brnuop = "C:\\Users\\Admin\\brnuop.exe /c" brnuop.exe Set value (str) \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\brnuop = "C:\\Users\\Admin\\brnuop.exe /F" brnuop.exe Set value (str) \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\brnuop = "C:\\Users\\Admin\\brnuop.exe /p" brnuop.exe Set value (str) \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\brnuop = "C:\\Users\\Admin\\brnuop.exe /L" brnuop.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 8512cf23f77dd4630268c501f79c8d70_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language brnuop.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4416 8512cf23f77dd4630268c501f79c8d70_JaffaCakes118.exe 4416 8512cf23f77dd4630268c501f79c8d70_JaffaCakes118.exe 744 brnuop.exe 744 brnuop.exe 744 brnuop.exe 744 brnuop.exe 744 brnuop.exe 744 brnuop.exe 744 brnuop.exe 744 brnuop.exe 744 brnuop.exe 744 brnuop.exe 744 brnuop.exe 744 brnuop.exe 744 brnuop.exe 744 brnuop.exe 744 brnuop.exe 744 brnuop.exe 744 brnuop.exe 744 brnuop.exe 744 brnuop.exe 744 brnuop.exe 744 brnuop.exe 744 brnuop.exe 744 brnuop.exe 744 brnuop.exe 744 brnuop.exe 744 brnuop.exe 744 brnuop.exe 744 brnuop.exe 744 brnuop.exe 744 brnuop.exe 744 brnuop.exe 744 brnuop.exe 744 brnuop.exe 744 brnuop.exe 744 brnuop.exe 744 brnuop.exe 744 brnuop.exe 744 brnuop.exe 744 brnuop.exe 744 brnuop.exe 744 brnuop.exe 744 brnuop.exe 744 brnuop.exe 744 brnuop.exe 744 brnuop.exe 744 brnuop.exe 744 brnuop.exe 744 brnuop.exe 744 brnuop.exe 744 brnuop.exe 744 brnuop.exe 744 brnuop.exe 744 brnuop.exe 744 brnuop.exe 744 brnuop.exe 744 brnuop.exe 744 brnuop.exe 744 brnuop.exe 744 brnuop.exe 744 brnuop.exe 744 brnuop.exe 744 brnuop.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4416 8512cf23f77dd4630268c501f79c8d70_JaffaCakes118.exe 744 brnuop.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4416 wrote to memory of 744 4416 8512cf23f77dd4630268c501f79c8d70_JaffaCakes118.exe 94 PID 4416 wrote to memory of 744 4416 8512cf23f77dd4630268c501f79c8d70_JaffaCakes118.exe 94 PID 4416 wrote to memory of 744 4416 8512cf23f77dd4630268c501f79c8d70_JaffaCakes118.exe 94
Processes
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C:\Users\Admin\AppData\Local\Temp\8512cf23f77dd4630268c501f79c8d70_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\8512cf23f77dd4630268c501f79c8d70_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:4416 -
C:\Users\Admin\brnuop.exe"C:\Users\Admin\brnuop.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:744
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4396,i,10597648459838880772,16562651767759956329,262144 --variations-seed-version --mojo-platform-channel-handle=4164 /prefetch:81⤵PID:1624
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
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Downloads
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Filesize
100KB
MD503e2c380db6062ae2e60d99c6b68469f
SHA166226b89e70cf9bd13e099089d3778bbb82c85a1
SHA25676761111abc68487dbb2cc5399d5b9bb7e92bb3eff6f11cdbab0d278b2a68e95
SHA51290c1cfcaa157ad4c05a09d874fab321a2feafc8bcc7b5c003a8b720f426869ef960783c382cc1151c3bdbb513a83867e04f3d7a12385bffbdee7bcd195c7ec9a