Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
21-09-2024 04:09
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
ef0a7bc0e4424b94b52068d4373a6213_JaffaCakes118.exe
Resource
win7-20240903-en
windows7-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
ef0a7bc0e4424b94b52068d4373a6213_JaffaCakes118.exe
Resource
win10v2004-20240802-en
windows10-2004-x64
9 signatures
150 seconds
General
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Target
ef0a7bc0e4424b94b52068d4373a6213_JaffaCakes118.exe
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Size
228KB
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MD5
ef0a7bc0e4424b94b52068d4373a6213
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SHA1
233699e0a5fddd24faca353d7ddc8d153ef9f71f
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SHA256
349edaf9324b07b2b0357e977c754fb93a50fb15826c2e79305f866f2752fff6
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SHA512
f942992e7e6b75b7432a1fd26530e6f1d2c6e98a33852d335c2d906c5c913b45a5a7d463f55531006bafb7a49966bb8e00446d4ff55d1e3460cfed02866d95a5
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SSDEEP
6144:fmQ3PFKs7aFwKWwalhrEqxF6snji81RUinKZHg/+F:fmKPhAmZIH+Y
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-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" ef0a7bc0e4424b94b52068d4373a6213_JaffaCakes118.exe Set value (int) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" riafuc.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-1-5-21-945322488-2060912225-3527527000-1000\Control Panel\International\Geo\Nation ef0a7bc0e4424b94b52068d4373a6213_JaffaCakes118.exe -
Executes dropped EXE 1 IoCs
pid Process 1724 riafuc.exe -
Adds Run key to start application 2 TTPs 27 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\riafuc = "C:\\Users\\Admin\\riafuc.exe /b" riafuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\riafuc = "C:\\Users\\Admin\\riafuc.exe /y" riafuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\riafuc = "C:\\Users\\Admin\\riafuc.exe /h" riafuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\riafuc = "C:\\Users\\Admin\\riafuc.exe /j" riafuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\riafuc = "C:\\Users\\Admin\\riafuc.exe /z" riafuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\riafuc = "C:\\Users\\Admin\\riafuc.exe /u" riafuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\riafuc = "C:\\Users\\Admin\\riafuc.exe /s" riafuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\riafuc = "C:\\Users\\Admin\\riafuc.exe /x" riafuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\riafuc = "C:\\Users\\Admin\\riafuc.exe /e" riafuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\riafuc = "C:\\Users\\Admin\\riafuc.exe /t" riafuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\riafuc = "C:\\Users\\Admin\\riafuc.exe /x" ef0a7bc0e4424b94b52068d4373a6213_JaffaCakes118.exe Set value (str) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\riafuc = "C:\\Users\\Admin\\riafuc.exe /v" riafuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\riafuc = "C:\\Users\\Admin\\riafuc.exe /w" riafuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\riafuc = "C:\\Users\\Admin\\riafuc.exe /o" riafuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\riafuc = "C:\\Users\\Admin\\riafuc.exe /f" riafuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\riafuc = "C:\\Users\\Admin\\riafuc.exe /n" riafuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\riafuc = "C:\\Users\\Admin\\riafuc.exe /k" riafuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\riafuc = "C:\\Users\\Admin\\riafuc.exe /p" riafuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\riafuc = "C:\\Users\\Admin\\riafuc.exe /i" riafuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\riafuc = "C:\\Users\\Admin\\riafuc.exe /c" riafuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\riafuc = "C:\\Users\\Admin\\riafuc.exe /q" riafuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\riafuc = "C:\\Users\\Admin\\riafuc.exe /a" riafuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\riafuc = "C:\\Users\\Admin\\riafuc.exe /m" riafuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\riafuc = "C:\\Users\\Admin\\riafuc.exe /r" riafuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\riafuc = "C:\\Users\\Admin\\riafuc.exe /l" riafuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\riafuc = "C:\\Users\\Admin\\riafuc.exe /d" riafuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\riafuc = "C:\\Users\\Admin\\riafuc.exe /g" riafuc.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 ef0a7bc0e4424b94b52068d4373a6213_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language riafuc.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3016 ef0a7bc0e4424b94b52068d4373a6213_JaffaCakes118.exe 3016 ef0a7bc0e4424b94b52068d4373a6213_JaffaCakes118.exe 1724 riafuc.exe 1724 riafuc.exe 1724 riafuc.exe 1724 riafuc.exe 1724 riafuc.exe 1724 riafuc.exe 1724 riafuc.exe 1724 riafuc.exe 1724 riafuc.exe 1724 riafuc.exe 1724 riafuc.exe 1724 riafuc.exe 1724 riafuc.exe 1724 riafuc.exe 1724 riafuc.exe 1724 riafuc.exe 1724 riafuc.exe 1724 riafuc.exe 1724 riafuc.exe 1724 riafuc.exe 1724 riafuc.exe 1724 riafuc.exe 1724 riafuc.exe 1724 riafuc.exe 1724 riafuc.exe 1724 riafuc.exe 1724 riafuc.exe 1724 riafuc.exe 1724 riafuc.exe 1724 riafuc.exe 1724 riafuc.exe 1724 riafuc.exe 1724 riafuc.exe 1724 riafuc.exe 1724 riafuc.exe 1724 riafuc.exe 1724 riafuc.exe 1724 riafuc.exe 1724 riafuc.exe 1724 riafuc.exe 1724 riafuc.exe 1724 riafuc.exe 1724 riafuc.exe 1724 riafuc.exe 1724 riafuc.exe 1724 riafuc.exe 1724 riafuc.exe 1724 riafuc.exe 1724 riafuc.exe 1724 riafuc.exe 1724 riafuc.exe 1724 riafuc.exe 1724 riafuc.exe 1724 riafuc.exe 1724 riafuc.exe 1724 riafuc.exe 1724 riafuc.exe 1724 riafuc.exe 1724 riafuc.exe 1724 riafuc.exe 1724 riafuc.exe 1724 riafuc.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 3016 ef0a7bc0e4424b94b52068d4373a6213_JaffaCakes118.exe 1724 riafuc.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3016 wrote to memory of 1724 3016 ef0a7bc0e4424b94b52068d4373a6213_JaffaCakes118.exe 86 PID 3016 wrote to memory of 1724 3016 ef0a7bc0e4424b94b52068d4373a6213_JaffaCakes118.exe 86 PID 3016 wrote to memory of 1724 3016 ef0a7bc0e4424b94b52068d4373a6213_JaffaCakes118.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\ef0a7bc0e4424b94b52068d4373a6213_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\ef0a7bc0e4424b94b52068d4373a6213_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:3016 -
C:\Users\Admin\riafuc.exe"C:\Users\Admin\riafuc.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:1724
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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
228KB
MD5323c0b8112ccb60e90a3a2a25d8a4aa3
SHA1de60564f1a190e1112fa9b434c400b629548e7a8
SHA2561b8281b510769d617c81e01d52096263bb5c76253a8d82bbb04e3977408e48df
SHA51288141c948adf7e1817403f6798f09b03c2265b0dd3039c22923b448d3d8dfcd5c0f23892194f33e2ef665f22e5ded548a2d14817688fb77809251c81020fbae3