Analysis
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max time kernel
149s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
21/08/2024, 09:47
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
b2fc9bf4a5a172d594e368f10c4373a0_JaffaCakes118.exe
Resource
win7-20240708-en
windows7-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
b2fc9bf4a5a172d594e368f10c4373a0_JaffaCakes118.exe
Resource
win10v2004-20240802-en
windows10-2004-x64
9 signatures
150 seconds
General
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Target
b2fc9bf4a5a172d594e368f10c4373a0_JaffaCakes118.exe
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Size
124KB
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MD5
b2fc9bf4a5a172d594e368f10c4373a0
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SHA1
7ee335aeb12966e4b80486a632dfac8d635045b1
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SHA256
ac9cb2e8185716a154b0ea7abf851704f269f836fc98733ae1463fad65425dcb
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SHA512
0f65b4386ef765761ab2714c293185e691e6ad7a227f6c224a26162c93c3b6915db78fa306284e85754879276c30328d34f03e27b83b7068885c1966b99e09f5
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SSDEEP
1536:Prtkj2TQkUU0GgAJa0P1kNmKldCMhdu8KWP/nTn8nBP9Ve+NeG0h/x:Zkj9kUU0GgAT92p
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" b2fc9bf4a5a172d594e368f10c4373a0_JaffaCakes118.exe Set value (int) \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" yaasei.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 b2fc9bf4a5a172d594e368f10c4373a0_JaffaCakes118.exe -
Executes dropped EXE 1 IoCs
pid Process 1632 yaasei.exe -
Adds Run key to start application 2 TTPs 52 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yaasei = "C:\\Users\\Admin\\yaasei.exe /w" yaasei.exe Set value (str) \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yaasei = "C:\\Users\\Admin\\yaasei.exe /N" yaasei.exe Set value (str) \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yaasei = "C:\\Users\\Admin\\yaasei.exe /z" yaasei.exe Set value (str) \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yaasei = "C:\\Users\\Admin\\yaasei.exe /y" yaasei.exe Set value (str) \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yaasei = "C:\\Users\\Admin\\yaasei.exe /d" yaasei.exe Set value (str) \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yaasei = "C:\\Users\\Admin\\yaasei.exe /X" yaasei.exe Set value (str) \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yaasei = "C:\\Users\\Admin\\yaasei.exe /Z" yaasei.exe Set value (str) \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yaasei = "C:\\Users\\Admin\\yaasei.exe /J" yaasei.exe Set value (str) \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yaasei = "C:\\Users\\Admin\\yaasei.exe /K" yaasei.exe Set value (str) \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yaasei = "C:\\Users\\Admin\\yaasei.exe /a" yaasei.exe Set value (str) \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yaasei = "C:\\Users\\Admin\\yaasei.exe /j" yaasei.exe Set value (str) \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yaasei = "C:\\Users\\Admin\\yaasei.exe /B" yaasei.exe Set value (str) \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yaasei = "C:\\Users\\Admin\\yaasei.exe /v" yaasei.exe Set value (str) \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yaasei = "C:\\Users\\Admin\\yaasei.exe /Y" yaasei.exe Set value (str) \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yaasei = "C:\\Users\\Admin\\yaasei.exe /A" yaasei.exe Set value (str) \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yaasei = "C:\\Users\\Admin\\yaasei.exe /p" yaasei.exe Set value (str) \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yaasei = "C:\\Users\\Admin\\yaasei.exe /b" yaasei.exe Set value (str) \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yaasei = "C:\\Users\\Admin\\yaasei.exe /H" yaasei.exe Set value (str) \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yaasei = "C:\\Users\\Admin\\yaasei.exe /Q" yaasei.exe Set value (str) \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yaasei = "C:\\Users\\Admin\\yaasei.exe /I" yaasei.exe Set value (str) \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yaasei = "C:\\Users\\Admin\\yaasei.exe /k" yaasei.exe Set value (str) \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yaasei = "C:\\Users\\Admin\\yaasei.exe /s" yaasei.exe Set value (str) \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yaasei = "C:\\Users\\Admin\\yaasei.exe /P" yaasei.exe Set value (str) \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yaasei = "C:\\Users\\Admin\\yaasei.exe /T" yaasei.exe Set value (str) \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yaasei = "C:\\Users\\Admin\\yaasei.exe /E" yaasei.exe Set value (str) \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yaasei = "C:\\Users\\Admin\\yaasei.exe /e" yaasei.exe Set value (str) \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yaasei = "C:\\Users\\Admin\\yaasei.exe /R" yaasei.exe Set value (str) \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yaasei = "C:\\Users\\Admin\\yaasei.exe /r" yaasei.exe Set value (str) \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yaasei = "C:\\Users\\Admin\\yaasei.exe /c" yaasei.exe Set value (str) \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yaasei = "C:\\Users\\Admin\\yaasei.exe /M" yaasei.exe Set value (str) \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yaasei = "C:\\Users\\Admin\\yaasei.exe /g" yaasei.exe Set value (str) \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yaasei = "C:\\Users\\Admin\\yaasei.exe /G" yaasei.exe Set value (str) \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yaasei = "C:\\Users\\Admin\\yaasei.exe /o" yaasei.exe Set value (str) \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yaasei = "C:\\Users\\Admin\\yaasei.exe /f" b2fc9bf4a5a172d594e368f10c4373a0_JaffaCakes118.exe Set value (str) \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yaasei = "C:\\Users\\Admin\\yaasei.exe /C" yaasei.exe Set value (str) \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yaasei = "C:\\Users\\Admin\\yaasei.exe /i" yaasei.exe Set value (str) \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yaasei = "C:\\Users\\Admin\\yaasei.exe /m" yaasei.exe Set value (str) \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yaasei = "C:\\Users\\Admin\\yaasei.exe /q" yaasei.exe Set value (str) \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yaasei = "C:\\Users\\Admin\\yaasei.exe /l" yaasei.exe Set value (str) \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yaasei = "C:\\Users\\Admin\\yaasei.exe /t" yaasei.exe Set value (str) \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yaasei = "C:\\Users\\Admin\\yaasei.exe /x" yaasei.exe Set value (str) \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yaasei = "C:\\Users\\Admin\\yaasei.exe /V" yaasei.exe Set value (str) \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yaasei = "C:\\Users\\Admin\\yaasei.exe /n" yaasei.exe Set value (str) \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yaasei = "C:\\Users\\Admin\\yaasei.exe /L" yaasei.exe Set value (str) \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yaasei = "C:\\Users\\Admin\\yaasei.exe /W" yaasei.exe Set value (str) \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yaasei = "C:\\Users\\Admin\\yaasei.exe /f" yaasei.exe Set value (str) \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yaasei = "C:\\Users\\Admin\\yaasei.exe /h" yaasei.exe Set value (str) \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yaasei = "C:\\Users\\Admin\\yaasei.exe /U" yaasei.exe Set value (str) \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yaasei = "C:\\Users\\Admin\\yaasei.exe /D" yaasei.exe Set value (str) \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yaasei = "C:\\Users\\Admin\\yaasei.exe /S" yaasei.exe Set value (str) \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yaasei = "C:\\Users\\Admin\\yaasei.exe /u" yaasei.exe Set value (str) \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yaasei = "C:\\Users\\Admin\\yaasei.exe /F" yaasei.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 b2fc9bf4a5a172d594e368f10c4373a0_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language yaasei.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3420 b2fc9bf4a5a172d594e368f10c4373a0_JaffaCakes118.exe 3420 b2fc9bf4a5a172d594e368f10c4373a0_JaffaCakes118.exe 1632 yaasei.exe 1632 yaasei.exe 1632 yaasei.exe 1632 yaasei.exe 1632 yaasei.exe 1632 yaasei.exe 1632 yaasei.exe 1632 yaasei.exe 1632 yaasei.exe 1632 yaasei.exe 1632 yaasei.exe 1632 yaasei.exe 1632 yaasei.exe 1632 yaasei.exe 1632 yaasei.exe 1632 yaasei.exe 1632 yaasei.exe 1632 yaasei.exe 1632 yaasei.exe 1632 yaasei.exe 1632 yaasei.exe 1632 yaasei.exe 1632 yaasei.exe 1632 yaasei.exe 1632 yaasei.exe 1632 yaasei.exe 1632 yaasei.exe 1632 yaasei.exe 1632 yaasei.exe 1632 yaasei.exe 1632 yaasei.exe 1632 yaasei.exe 1632 yaasei.exe 1632 yaasei.exe 1632 yaasei.exe 1632 yaasei.exe 1632 yaasei.exe 1632 yaasei.exe 1632 yaasei.exe 1632 yaasei.exe 1632 yaasei.exe 1632 yaasei.exe 1632 yaasei.exe 1632 yaasei.exe 1632 yaasei.exe 1632 yaasei.exe 1632 yaasei.exe 1632 yaasei.exe 1632 yaasei.exe 1632 yaasei.exe 1632 yaasei.exe 1632 yaasei.exe 1632 yaasei.exe 1632 yaasei.exe 1632 yaasei.exe 1632 yaasei.exe 1632 yaasei.exe 1632 yaasei.exe 1632 yaasei.exe 1632 yaasei.exe 1632 yaasei.exe 1632 yaasei.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 3420 b2fc9bf4a5a172d594e368f10c4373a0_JaffaCakes118.exe 1632 yaasei.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3420 wrote to memory of 1632 3420 b2fc9bf4a5a172d594e368f10c4373a0_JaffaCakes118.exe 88 PID 3420 wrote to memory of 1632 3420 b2fc9bf4a5a172d594e368f10c4373a0_JaffaCakes118.exe 88 PID 3420 wrote to memory of 1632 3420 b2fc9bf4a5a172d594e368f10c4373a0_JaffaCakes118.exe 88
Processes
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C:\Users\Admin\AppData\Local\Temp\b2fc9bf4a5a172d594e368f10c4373a0_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\b2fc9bf4a5a172d594e368f10c4373a0_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:3420 -
C:\Users\Admin\yaasei.exe"C:\Users\Admin\yaasei.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:1632
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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
124KB
MD55e2e06aac21a1cb8ce8db51f7f2df1ed
SHA1e6b7e0f5acb59dcabcb08db94937e6bfa924aafb
SHA256bf1b1c147b861a5a29e0928f190d1beb603a4053e179b996e217a4c621af25d4
SHA51273db3b191e95ff1a6bbd9c51e605be47fcc90389f2e2f62c582efc55b204712cda474949d6b2b8b7777db9e5207621455a2bcf34c4fccaed585dde5362565fe3