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Analysis
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max time kernel
150s -
max time network
154s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
20/10/2024, 21:44
Static task
static1
Behavioral task
behavioral1
Sample
643826b5b9cb0926063e65c74de37c49_JaffaCakes118.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
643826b5b9cb0926063e65c74de37c49_JaffaCakes118.exe
Resource
win10v2004-20241007-en
General
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Target
643826b5b9cb0926063e65c74de37c49_JaffaCakes118.exe
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Size
228KB
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MD5
643826b5b9cb0926063e65c74de37c49
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SHA1
72d221739090d6eb7c37974e3ed5ce3249f02d6e
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SHA256
dbc5ffc9c3cffbc65ab30d684dd6e025f95e89b2fb0f71c2f82f9fe534a0a911
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SHA512
9fc6679f1db528aac2d9cbac565ff1fe857253fb348c64583a1bced5f68c519b162e0001bb0736954db53e0c9f0394b7f9d413d9fa60041246bbf92787a69f80
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SSDEEP
6144:86D4YEhZJTRwYpQg1h9zQDnYKqXLxdIXHec2:84AzPzQDnwLo+c2
Malware Config
Signatures
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Deletes shadow copies 3 TTPs
Ransomware often targets backup files to inhibit system recovery.
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Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\a1f46329.exe explorer.exe -
Adds Run key to start application 2 TTPs 4 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\*1f4632 = "C:\\a1f46329\\a1f46329.exe" explorer.exe Set value (str) \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\a1f46329 = "C:\\Users\\Admin\\AppData\\Roaming\\a1f46329.exe" explorer.exe Set value (str) \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\*1f46329 = "C:\\Users\\Admin\\AppData\\Roaming\\a1f46329.exe" explorer.exe Set value (str) \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\a1f4632 = "C:\\a1f46329\\a1f46329.exe" explorer.exe -
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 3 ip-addr.es 5 myexternalip.com -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2104 set thread context of 1176 2104 643826b5b9cb0926063e65c74de37c49_JaffaCakes118.exe 29 -
System Location Discovery: System Language Discovery 1 TTPs 5 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 643826b5b9cb0926063e65c74de37c49_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 643826b5b9cb0926063e65c74de37c49_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language vssadmin.exe -
Interacts with shadow copies 3 TTPs 1 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
pid Process 2904 vssadmin.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 2104 643826b5b9cb0926063e65c74de37c49_JaffaCakes118.exe -
Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 1176 643826b5b9cb0926063e65c74de37c49_JaffaCakes118.exe 2980 explorer.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeBackupPrivilege 2144 vssvc.exe Token: SeRestorePrivilege 2144 vssvc.exe Token: SeAuditPrivilege 2144 vssvc.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2104 643826b5b9cb0926063e65c74de37c49_JaffaCakes118.exe 2104 643826b5b9cb0926063e65c74de37c49_JaffaCakes118.exe -
Suspicious use of WriteProcessMemory 23 IoCs
description pid Process procid_target PID 2104 wrote to memory of 1176 2104 643826b5b9cb0926063e65c74de37c49_JaffaCakes118.exe 29 PID 2104 wrote to memory of 1176 2104 643826b5b9cb0926063e65c74de37c49_JaffaCakes118.exe 29 PID 2104 wrote to memory of 1176 2104 643826b5b9cb0926063e65c74de37c49_JaffaCakes118.exe 29 PID 2104 wrote to memory of 1176 2104 643826b5b9cb0926063e65c74de37c49_JaffaCakes118.exe 29 PID 2104 wrote to memory of 1176 2104 643826b5b9cb0926063e65c74de37c49_JaffaCakes118.exe 29 PID 2104 wrote to memory of 1176 2104 643826b5b9cb0926063e65c74de37c49_JaffaCakes118.exe 29 PID 2104 wrote to memory of 1176 2104 643826b5b9cb0926063e65c74de37c49_JaffaCakes118.exe 29 PID 2104 wrote to memory of 1176 2104 643826b5b9cb0926063e65c74de37c49_JaffaCakes118.exe 29 PID 2104 wrote to memory of 1176 2104 643826b5b9cb0926063e65c74de37c49_JaffaCakes118.exe 29 PID 2104 wrote to memory of 1176 2104 643826b5b9cb0926063e65c74de37c49_JaffaCakes118.exe 29 PID 2104 wrote to memory of 1176 2104 643826b5b9cb0926063e65c74de37c49_JaffaCakes118.exe 29 PID 1176 wrote to memory of 2980 1176 643826b5b9cb0926063e65c74de37c49_JaffaCakes118.exe 30 PID 1176 wrote to memory of 2980 1176 643826b5b9cb0926063e65c74de37c49_JaffaCakes118.exe 30 PID 1176 wrote to memory of 2980 1176 643826b5b9cb0926063e65c74de37c49_JaffaCakes118.exe 30 PID 1176 wrote to memory of 2980 1176 643826b5b9cb0926063e65c74de37c49_JaffaCakes118.exe 30 PID 2980 wrote to memory of 2836 2980 explorer.exe 31 PID 2980 wrote to memory of 2836 2980 explorer.exe 31 PID 2980 wrote to memory of 2836 2980 explorer.exe 31 PID 2980 wrote to memory of 2836 2980 explorer.exe 31 PID 2980 wrote to memory of 2904 2980 explorer.exe 32 PID 2980 wrote to memory of 2904 2980 explorer.exe 32 PID 2980 wrote to memory of 2904 2980 explorer.exe 32 PID 2980 wrote to memory of 2904 2980 explorer.exe 32 -
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
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C:\Users\Admin\AppData\Local\Temp\643826b5b9cb0926063e65c74de37c49_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\643826b5b9cb0926063e65c74de37c49_JaffaCakes118.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2104 -
C:\Users\Admin\AppData\Local\Temp\643826b5b9cb0926063e65c74de37c49_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\643826b5b9cb0926063e65c74de37c49_JaffaCakes118.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1176 -
C:\Windows\syswow64\explorer.exe"C:\Windows\syswow64\explorer.exe"3⤵
- Drops startup file
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2980 -
C:\Windows\syswow64\svchost.exe-k netsvcs4⤵
- System Location Discovery: System Language Discovery
PID:2836
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C:\Windows\syswow64\vssadmin.exevssadmin.exe Delete Shadows /All /Quiet4⤵
- System Location Discovery: System Language Discovery
- Interacts with shadow copies
PID:2904
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2144
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
70KB
MD549aebf8cbd62d92ac215b2923fb1b9f5
SHA11723be06719828dda65ad804298d0431f6aff976
SHA256b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
SHA512bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b
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Filesize
181KB
MD54ea6026cf93ec6338144661bf1202cd1
SHA1a1dec9044f750ad887935a01430bf49322fbdcb7
SHA2568efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8
SHA5126c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b