Analysis
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max time kernel
149s -
max time network
139s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
22/08/2024, 18:00
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
b895c290d5731bfbd8b3878d681b8ad3_JaffaCakes118.exe
Resource
win7-20240704-en
windows7-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
b895c290d5731bfbd8b3878d681b8ad3_JaffaCakes118.exe
Resource
win10v2004-20240802-en
windows10-2004-x64
9 signatures
150 seconds
General
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Target
b895c290d5731bfbd8b3878d681b8ad3_JaffaCakes118.exe
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Size
240KB
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MD5
b895c290d5731bfbd8b3878d681b8ad3
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SHA1
2c4da361109b771200560febf07b594a67b0fe7d
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SHA256
6808456dc6cec0277bde5b5b402017dfb82aa5a54e87e74de585e1675c4adc36
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SHA512
21e43971b6c8d46ef526e3766dfeb9371d2e62ab38f19abeaabbc0325c0ad6b0f52b85816a9c917dd74a274ce04a9a11c5c80a9710debd9e21ac0d9235a849fb
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SSDEEP
6144:KM3dwqsNTNEXGlQR58EqxF6snji81RUinKq3aEESliDm:KWdQKjeaEEp
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-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" b895c290d5731bfbd8b3878d681b8ad3_JaffaCakes118.exe Set value (int) \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" reopuus.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-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation b895c290d5731bfbd8b3878d681b8ad3_JaffaCakes118.exe -
Executes dropped EXE 1 IoCs
pid Process 4468 reopuus.exe -
Adds Run key to start application 2 TTPs 27 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\reopuus = "C:\\Users\\Admin\\reopuus.exe /j" reopuus.exe Set value (str) \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\reopuus = "C:\\Users\\Admin\\reopuus.exe /e" reopuus.exe Set value (str) \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\reopuus = "C:\\Users\\Admin\\reopuus.exe /n" reopuus.exe Set value (str) \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\reopuus = "C:\\Users\\Admin\\reopuus.exe /d" reopuus.exe Set value (str) \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\reopuus = "C:\\Users\\Admin\\reopuus.exe /w" reopuus.exe Set value (str) \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\reopuus = "C:\\Users\\Admin\\reopuus.exe /k" reopuus.exe Set value (str) \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\reopuus = "C:\\Users\\Admin\\reopuus.exe /r" reopuus.exe Set value (str) \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\reopuus = "C:\\Users\\Admin\\reopuus.exe /m" reopuus.exe Set value (str) \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\reopuus = "C:\\Users\\Admin\\reopuus.exe /t" reopuus.exe Set value (str) \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\reopuus = "C:\\Users\\Admin\\reopuus.exe /p" reopuus.exe Set value (str) \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\reopuus = "C:\\Users\\Admin\\reopuus.exe /x" reopuus.exe Set value (str) \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\reopuus = "C:\\Users\\Admin\\reopuus.exe /z" reopuus.exe Set value (str) \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\reopuus = "C:\\Users\\Admin\\reopuus.exe /u" reopuus.exe Set value (str) \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\reopuus = "C:\\Users\\Admin\\reopuus.exe /h" reopuus.exe Set value (str) \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\reopuus = "C:\\Users\\Admin\\reopuus.exe /i" reopuus.exe Set value (str) \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\reopuus = "C:\\Users\\Admin\\reopuus.exe /f" reopuus.exe Set value (str) \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\reopuus = "C:\\Users\\Admin\\reopuus.exe /q" reopuus.exe Set value (str) \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\reopuus = "C:\\Users\\Admin\\reopuus.exe /v" reopuus.exe Set value (str) \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\reopuus = "C:\\Users\\Admin\\reopuus.exe /l" reopuus.exe Set value (str) \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\reopuus = "C:\\Users\\Admin\\reopuus.exe /s" reopuus.exe Set value (str) \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\reopuus = "C:\\Users\\Admin\\reopuus.exe /p" b895c290d5731bfbd8b3878d681b8ad3_JaffaCakes118.exe Set value (str) \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\reopuus = "C:\\Users\\Admin\\reopuus.exe /c" reopuus.exe Set value (str) \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\reopuus = "C:\\Users\\Admin\\reopuus.exe /o" reopuus.exe Set value (str) \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\reopuus = "C:\\Users\\Admin\\reopuus.exe /y" reopuus.exe Set value (str) \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\reopuus = "C:\\Users\\Admin\\reopuus.exe /b" reopuus.exe Set value (str) \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\reopuus = "C:\\Users\\Admin\\reopuus.exe /a" reopuus.exe Set value (str) \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\reopuus = "C:\\Users\\Admin\\reopuus.exe /g" reopuus.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 b895c290d5731bfbd8b3878d681b8ad3_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language reopuus.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 908 b895c290d5731bfbd8b3878d681b8ad3_JaffaCakes118.exe 908 b895c290d5731bfbd8b3878d681b8ad3_JaffaCakes118.exe 4468 reopuus.exe 4468 reopuus.exe 4468 reopuus.exe 4468 reopuus.exe 4468 reopuus.exe 4468 reopuus.exe 4468 reopuus.exe 4468 reopuus.exe 4468 reopuus.exe 4468 reopuus.exe 4468 reopuus.exe 4468 reopuus.exe 4468 reopuus.exe 4468 reopuus.exe 4468 reopuus.exe 4468 reopuus.exe 4468 reopuus.exe 4468 reopuus.exe 4468 reopuus.exe 4468 reopuus.exe 4468 reopuus.exe 4468 reopuus.exe 4468 reopuus.exe 4468 reopuus.exe 4468 reopuus.exe 4468 reopuus.exe 4468 reopuus.exe 4468 reopuus.exe 4468 reopuus.exe 4468 reopuus.exe 4468 reopuus.exe 4468 reopuus.exe 4468 reopuus.exe 4468 reopuus.exe 4468 reopuus.exe 4468 reopuus.exe 4468 reopuus.exe 4468 reopuus.exe 4468 reopuus.exe 4468 reopuus.exe 4468 reopuus.exe 4468 reopuus.exe 4468 reopuus.exe 4468 reopuus.exe 4468 reopuus.exe 4468 reopuus.exe 4468 reopuus.exe 4468 reopuus.exe 4468 reopuus.exe 4468 reopuus.exe 4468 reopuus.exe 4468 reopuus.exe 4468 reopuus.exe 4468 reopuus.exe 4468 reopuus.exe 4468 reopuus.exe 4468 reopuus.exe 4468 reopuus.exe 4468 reopuus.exe 4468 reopuus.exe 4468 reopuus.exe 4468 reopuus.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 908 b895c290d5731bfbd8b3878d681b8ad3_JaffaCakes118.exe 4468 reopuus.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 908 wrote to memory of 4468 908 b895c290d5731bfbd8b3878d681b8ad3_JaffaCakes118.exe 88 PID 908 wrote to memory of 4468 908 b895c290d5731bfbd8b3878d681b8ad3_JaffaCakes118.exe 88 PID 908 wrote to memory of 4468 908 b895c290d5731bfbd8b3878d681b8ad3_JaffaCakes118.exe 88
Processes
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C:\Users\Admin\AppData\Local\Temp\b895c290d5731bfbd8b3878d681b8ad3_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\b895c290d5731bfbd8b3878d681b8ad3_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:908 -
C:\Users\Admin\reopuus.exe"C:\Users\Admin\reopuus.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:4468
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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
MD5405e40214fd16e6ef3c9c0543e275684
SHA14f3cbc39ddcdb8c4a7077fef499f6c7368ae1b05
SHA256c1182b35bc59b6e4294f101db074a063ffa53fa26c285316d2dafc51bfacb453
SHA512e74c213d98120c13243076721eede9ca90c689837f58b708f4bdab13f1278f8b3a47b4f350b5371c47d27fb94a2aa3ecbf33e28e7d69cfe5b3fe4509be66965b