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Analysis
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max time kernel
144s -
max time network
172s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
10/04/2024, 14:29
Static task
static1
Behavioral task
behavioral1
Sample
eb4726176b7d6def7512e21d02ed6c6b_JaffaCakes118.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
eb4726176b7d6def7512e21d02ed6c6b_JaffaCakes118.exe
Resource
win10v2004-20240226-en
General
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Target
eb4726176b7d6def7512e21d02ed6c6b_JaffaCakes118.exe
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Size
14.8MB
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MD5
eb4726176b7d6def7512e21d02ed6c6b
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SHA1
09c1de26004401ab735ff0017ccc3c056bdb0097
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SHA256
24a82936420cde7f9dfb7e95ad21dd82ec4e08098154d213efaf98e3022cf9b1
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SHA512
8206fa8a83c24cf58032f34bec6ca0a0892b5db182eee3caab992c41ddf2ee4bef99f8b219e12d36ec8449470e067f8207237d8c023452493c9745da46db8523
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SSDEEP
393216:2Pzn/SFKehyVIpQq362HTeLIfYw3W5gWd3lNw0:2rSphyCO52zeLIfj6jj
Malware Config
Signatures
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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-1-5-21-609813121-2907144057-1731107329-1000\Control Panel\International\Geo\Nation eb4726176b7d6def7512e21d02ed6c6b_JaffaCakes118.exe -
Executes dropped EXE 1 IoCs
pid Process 4948 eb4726176b7d6def7512e21d02ed6c6b_JaffaCakes118.exe -
Drops desktop.ini file(s) 2 IoCs
description ioc Process File created C:\Windows\assembly\Desktop.ini eb4726176b7d6def7512e21d02ed6c6b_JaffaCakes118.exe File opened for modification C:\Windows\assembly\Desktop.ini eb4726176b7d6def7512e21d02ed6c6b_JaffaCakes118.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 38 checkip.dyndns.org -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
pid Process 4948 eb4726176b7d6def7512e21d02ed6c6b_JaffaCakes118.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\AppCompat\Programs\Amcache.hve.tmp dw20.exe File opened for modification C:\Windows\assembly eb4726176b7d6def7512e21d02ed6c6b_JaffaCakes118.exe File created C:\Windows\assembly\Desktop.ini eb4726176b7d6def7512e21d02ed6c6b_JaffaCakes118.exe File opened for modification C:\Windows\assembly\Desktop.ini eb4726176b7d6def7512e21d02ed6c6b_JaffaCakes118.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 dw20.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz dw20.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString dw20.exe -
Enumerates system info in registry 2 TTPs 2 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS dw20.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU dw20.exe -
Suspicious behavior: EnumeratesProcesses 25 IoCs
pid Process 4948 eb4726176b7d6def7512e21d02ed6c6b_JaffaCakes118.exe 4948 eb4726176b7d6def7512e21d02ed6c6b_JaffaCakes118.exe 4948 eb4726176b7d6def7512e21d02ed6c6b_JaffaCakes118.exe 4948 eb4726176b7d6def7512e21d02ed6c6b_JaffaCakes118.exe 4948 eb4726176b7d6def7512e21d02ed6c6b_JaffaCakes118.exe 4948 eb4726176b7d6def7512e21d02ed6c6b_JaffaCakes118.exe 4948 eb4726176b7d6def7512e21d02ed6c6b_JaffaCakes118.exe 4948 eb4726176b7d6def7512e21d02ed6c6b_JaffaCakes118.exe 4948 eb4726176b7d6def7512e21d02ed6c6b_JaffaCakes118.exe 4948 eb4726176b7d6def7512e21d02ed6c6b_JaffaCakes118.exe 4948 eb4726176b7d6def7512e21d02ed6c6b_JaffaCakes118.exe 4948 eb4726176b7d6def7512e21d02ed6c6b_JaffaCakes118.exe 4948 eb4726176b7d6def7512e21d02ed6c6b_JaffaCakes118.exe 4948 eb4726176b7d6def7512e21d02ed6c6b_JaffaCakes118.exe 4948 eb4726176b7d6def7512e21d02ed6c6b_JaffaCakes118.exe 4948 eb4726176b7d6def7512e21d02ed6c6b_JaffaCakes118.exe 4948 eb4726176b7d6def7512e21d02ed6c6b_JaffaCakes118.exe 4948 eb4726176b7d6def7512e21d02ed6c6b_JaffaCakes118.exe 4948 eb4726176b7d6def7512e21d02ed6c6b_JaffaCakes118.exe 4948 eb4726176b7d6def7512e21d02ed6c6b_JaffaCakes118.exe 4948 eb4726176b7d6def7512e21d02ed6c6b_JaffaCakes118.exe 4948 eb4726176b7d6def7512e21d02ed6c6b_JaffaCakes118.exe 4948 eb4726176b7d6def7512e21d02ed6c6b_JaffaCakes118.exe 4948 eb4726176b7d6def7512e21d02ed6c6b_JaffaCakes118.exe 4948 eb4726176b7d6def7512e21d02ed6c6b_JaffaCakes118.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeDebugPrivilege 4948 eb4726176b7d6def7512e21d02ed6c6b_JaffaCakes118.exe Token: SeRestorePrivilege 4860 dw20.exe Token: SeBackupPrivilege 4860 dw20.exe Token: SeBackupPrivilege 4860 dw20.exe Token: SeBackupPrivilege 4860 dw20.exe Token: SeBackupPrivilege 4860 dw20.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3948 wrote to memory of 4948 3948 eb4726176b7d6def7512e21d02ed6c6b_JaffaCakes118.exe 90 PID 3948 wrote to memory of 4948 3948 eb4726176b7d6def7512e21d02ed6c6b_JaffaCakes118.exe 90 PID 3948 wrote to memory of 4948 3948 eb4726176b7d6def7512e21d02ed6c6b_JaffaCakes118.exe 90 PID 4948 wrote to memory of 4860 4948 eb4726176b7d6def7512e21d02ed6c6b_JaffaCakes118.exe 98 PID 4948 wrote to memory of 4860 4948 eb4726176b7d6def7512e21d02ed6c6b_JaffaCakes118.exe 98 PID 4948 wrote to memory of 4860 4948 eb4726176b7d6def7512e21d02ed6c6b_JaffaCakes118.exe 98
Processes
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C:\Users\Admin\AppData\Local\Temp\eb4726176b7d6def7512e21d02ed6c6b_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\eb4726176b7d6def7512e21d02ed6c6b_JaffaCakes118.exe"1⤵
- Checks computer location settings
- Drops desktop.ini file(s)
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:3948 -
C:\Users\Admin\AppData\Local\Temp\1foi5gek.izy\eb4726176b7d6def7512e21d02ed6c6b_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\1foi5gek.izy\eb4726176b7d6def7512e21d02ed6c6b_JaffaCakes118.exe"2⤵
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4948 -
C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exedw20.exe -x -s 17203⤵
- Drops file in Windows directory
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
PID:4860
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\eb4726176b7d6def7512e21d02ed6c6b_JaffaCakes118.exe.log
Filesize312B
MD5d4b49ac61a6cac139f96450777c10204
SHA192089d33442c9e2eaceac3ed8db6a7168f938e5a
SHA256807bdfa62a4312030c1ed54981674cff77f6108e6b4957754cabb810098ce082
SHA512eb13a0e7f0d4b44db7e8d0625ba1ee6a036083c39c24b85493d3ec9074ada03eb7003b97bd92ed5f2baaf26295a4690303332593c4776e75da5bc3b6adbc3ea6
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Filesize
14.7MB
MD5ed394f4207825fede2cd78231cc375b8
SHA19a2694464a4d813f677c1edb5e1864c0c7d41f7c
SHA2566741aa059caf95e1f40ebb9bfabe137bdd94896c59102d80713e6a1b8a6d7ff7
SHA512dbb44538f0043a8fc5c92a817f3bb10e777277e2960ffeb02045b5e5f9602588b29f251e1b5984f7981d442208ca49d6b5b4b5b063149bf09b1fb38e14271dbe