Analysis
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max time kernel
143s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
13-06-2024 15:30
Static task
static1
Behavioral task
behavioral1
Sample
a643f791249175da030797eae5f8b3ca_JaffaCakes118.exe
Resource
win7-20240611-en
Behavioral task
behavioral2
Sample
a643f791249175da030797eae5f8b3ca_JaffaCakes118.exe
Resource
win10v2004-20240508-en
General
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Target
a643f791249175da030797eae5f8b3ca_JaffaCakes118.exe
-
Size
517KB
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MD5
a643f791249175da030797eae5f8b3ca
-
SHA1
ed5c05367d0113494b01a235d3d17de994c41f75
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SHA256
7018d170611c308eb9e33ed57a34c792333c6605a7c2fe4a65691092af09ff49
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SHA512
0109fc6affd1d24eb224a67cd33462159063f54b42139e99df26fcdce784f1a1846a1952c20c1837c99027a48a151db75ce52392da652cfed6a8bca37e4c8a87
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SSDEEP
12288:AmUqR5z0FOTC1NXIHfpJYlY/Qy5eEG30LC+MCW1qrQpPt/0KuV:AmUqqOTAXIHfpOcQ6JG30L/MCW1yQpiB
Malware Config
Signatures
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
Processes:
a643f791249175da030797eae5f8b3ca_JaffaCakes118.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ a643f791249175da030797eae5f8b3ca_JaffaCakes118.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
a643f791249175da030797eae5f8b3ca_JaffaCakes118.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Control Panel\International\Geo\Nation a643f791249175da030797eae5f8b3ca_JaffaCakes118.exe -
Executes dropped EXE 1 IoCs
Processes:
s8421.exepid process 3668 s8421.exe -
Drops desktop.ini file(s) 2 IoCs
Processes:
s8421.exedescription ioc process File created C:\Windows\assembly\Desktop.ini s8421.exe File opened for modification C:\Windows\assembly\Desktop.ini s8421.exe -
Drops file in Windows directory 3 IoCs
Processes:
s8421.exedescription ioc process File opened for modification C:\Windows\assembly s8421.exe File created C:\Windows\assembly\Desktop.ini s8421.exe File opened for modification C:\Windows\assembly\Desktop.ini s8421.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 3488 3988 WerFault.exe a643f791249175da030797eae5f8b3ca_JaffaCakes118.exe -
Enumerates system info in registry 2 TTPs 2 IoCs
Processes:
a643f791249175da030797eae5f8b3ca_JaffaCakes118.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS a643f791249175da030797eae5f8b3ca_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer a643f791249175da030797eae5f8b3ca_JaffaCakes118.exe -
Processes:
s8421.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\B1BC968BD4F49D622AA89A81F2150152A41D829C s8421.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\B1BC968BD4F49D622AA89A81F2150152A41D829C\Blob = 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 s8421.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\B1BC968BD4F49D622AA89A81F2150152A41D829C\Blob = 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 s8421.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
Processes:
a643f791249175da030797eae5f8b3ca_JaffaCakes118.exes8421.exepid process 3988 a643f791249175da030797eae5f8b3ca_JaffaCakes118.exe 3988 a643f791249175da030797eae5f8b3ca_JaffaCakes118.exe 3668 s8421.exe 3668 s8421.exe 3668 s8421.exe 3668 s8421.exe 3668 s8421.exe 3668 s8421.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
s8421.exedescription pid process Token: SeDebugPrivilege 3668 s8421.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
s8421.exepid process 3668 s8421.exe 3668 s8421.exe -
Suspicious use of WriteProcessMemory 2 IoCs
Processes:
a643f791249175da030797eae5f8b3ca_JaffaCakes118.exedescription pid process target process PID 3988 wrote to memory of 3668 3988 a643f791249175da030797eae5f8b3ca_JaffaCakes118.exe s8421.exe PID 3988 wrote to memory of 3668 3988 a643f791249175da030797eae5f8b3ca_JaffaCakes118.exe s8421.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\a643f791249175da030797eae5f8b3ca_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\a643f791249175da030797eae5f8b3ca_JaffaCakes118.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks computer location settings
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\n8421\s8421.exe"C:\Users\Admin\AppData\Local\Temp\n8421\s8421.exe" ins.exe /e 13029947 /u 8765b7a1-1326-11e4-8a58-80c16e6f498c /h ef64a6.api.socdn.com /v "C:\Users\Admin\AppData\Local\Temp\a643f791249175da030797eae5f8b3ca_JaffaCakes118.exe"2⤵
- Executes dropped EXE
- Drops desktop.ini file(s)
- Drops file in Windows directory
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3988 -s 38002⤵
- Program crash
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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 --no-appcompat-clear --field-trial-handle=3852,i,1067197275908310731,12785105794523264014,262144 --variations-seed-version --mojo-platform-channel-handle=4236 /prefetch:81⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3988 -ip 39881⤵
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\n8421\s8421.exeFilesize
339KB
MD50e88682aeba4d7ef923b316f97f990ba
SHA1a54a0df52206ab79c0ad19be7402ab8564b7ad8c
SHA2566be0358b2703e0e317ec4ddefbc320014b3c2a14eb1d959b0ed399586fd2bba1
SHA512c0755f0b6fd5d01872464c1fa4b3d11c4ad4fd84f355bc9a9938bc5057373c18753915eeaabd31eb1db5cd95399a5b5083de31f11b55adba58316082421607c6
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memory/3668-14-0x00007FFBF8EA5000-0x00007FFBF8EA6000-memory.dmpFilesize
4KB
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memory/3668-15-0x00007FFBF8BF0000-0x00007FFBF9591000-memory.dmpFilesize
9.6MB
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memory/3668-16-0x00007FFBF8EA5000-0x00007FFBF8EA6000-memory.dmpFilesize
4KB
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memory/3668-17-0x000000001BB10000-0x000000001BB1E000-memory.dmpFilesize
56KB
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memory/3668-20-0x000000001C9B0000-0x000000001CE7E000-memory.dmpFilesize
4.8MB
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memory/3668-21-0x000000001CF20000-0x000000001CFBC000-memory.dmpFilesize
624KB
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memory/3668-22-0x000000001D2E0000-0x000000001D342000-memory.dmpFilesize
392KB
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memory/3668-23-0x00007FFBF8BF0000-0x00007FFBF9591000-memory.dmpFilesize
9.6MB
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memory/3668-24-0x00007FFBF8BF0000-0x00007FFBF9591000-memory.dmpFilesize
9.6MB
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memory/3668-25-0x000000001CFD0000-0x000000001CFD8000-memory.dmpFilesize
32KB
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memory/3668-26-0x00007FFBF8BF0000-0x00007FFBF9591000-memory.dmpFilesize
9.6MB
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memory/3668-27-0x00007FFBF8BF0000-0x00007FFBF9591000-memory.dmpFilesize
9.6MB
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memory/3668-28-0x00007FFBF8BF0000-0x00007FFBF9591000-memory.dmpFilesize
9.6MB
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memory/3668-29-0x00007FFBF8BF0000-0x00007FFBF9591000-memory.dmpFilesize
9.6MB
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memory/3668-30-0x00007FFBF8BF0000-0x00007FFBF9591000-memory.dmpFilesize
9.6MB
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memory/3668-31-0x00007FFBF8BF0000-0x00007FFBF9591000-memory.dmpFilesize
9.6MB
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memory/3668-32-0x00007FFBF8BF0000-0x00007FFBF9591000-memory.dmpFilesize
9.6MB
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memory/3668-33-0x0000000021080000-0x000000002158E000-memory.dmpFilesize
5.1MB
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memory/3668-34-0x00007FFBF8BF0000-0x00007FFBF9591000-memory.dmpFilesize
9.6MB
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memory/3668-35-0x00007FFBF8BF0000-0x00007FFBF9591000-memory.dmpFilesize
9.6MB
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memory/3668-37-0x00007FFBF8BF0000-0x00007FFBF9591000-memory.dmpFilesize
9.6MB