Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
01-07-2024 14:41
Behavioral task
behavioral1
Sample
1bb03f698b92494db9eb3e2b2b60be89_JaffaCakes118.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
1bb03f698b92494db9eb3e2b2b60be89_JaffaCakes118.exe
Resource
win10v2004-20240508-en
General
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Target
1bb03f698b92494db9eb3e2b2b60be89_JaffaCakes118.exe
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Size
28KB
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MD5
1bb03f698b92494db9eb3e2b2b60be89
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SHA1
486ff6b437034b3be6826e0ccfe06241146fee74
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SHA256
cd03efa3070556922874d13dedb36918db8a78846a1a62ae14c2f98af39b4385
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SHA512
ae5e619df1b72a3ad296ada67eb20502dba2d8ec9e686dd0fff583248002800a362dc4650ed2373580e633ed4401b583594613f23c7935f7621c9211c7502636
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SSDEEP
384:1vxBbK26lj5Id8SpHx9jLhsznnVxA1WmP5w7GGCJlqqwMyNW4GAoW:Dv8IRRdsxq1DjJcqfLnAr
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2924 services.exe -
resource yara_rule behavioral2/memory/928-1-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral2/files/0x0007000000023423-4.dat upx behavioral2/memory/2924-5-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/928-13-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral2/memory/2924-14-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2924-19-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2924-24-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/928-25-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral2/memory/2924-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/928-30-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral2/memory/2924-31-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/928-35-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral2/memory/2924-36-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/928-37-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral2/memory/2924-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/928-42-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral2/memory/2924-43-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/928-47-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral2/memory/2924-48-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/928-49-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral2/memory/2924-50-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x0007000000023433-56.dat upx behavioral2/memory/928-82-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral2/memory/2924-83-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/928-86-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral2/memory/2924-87-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/928-88-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral2/memory/2924-89-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/928-93-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral2/memory/2924-94-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\JavaVM = "C:\\Windows\\java.exe" 1bb03f698b92494db9eb3e2b2b60be89_JaffaCakes118.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe 1bb03f698b92494db9eb3e2b2b60be89_JaffaCakes118.exe File opened for modification C:\Windows\java.exe 1bb03f698b92494db9eb3e2b2b60be89_JaffaCakes118.exe File created C:\Windows\java.exe 1bb03f698b92494db9eb3e2b2b60be89_JaffaCakes118.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 928 wrote to memory of 2924 928 1bb03f698b92494db9eb3e2b2b60be89_JaffaCakes118.exe 81 PID 928 wrote to memory of 2924 928 1bb03f698b92494db9eb3e2b2b60be89_JaffaCakes118.exe 81 PID 928 wrote to memory of 2924 928 1bb03f698b92494db9eb3e2b2b60be89_JaffaCakes118.exe 81
Processes
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C:\Users\Admin\AppData\Local\Temp\1bb03f698b92494db9eb3e2b2b60be89_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\1bb03f698b92494db9eb3e2b2b60be89_JaffaCakes118.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:928 -
C:\Windows\services.exe"C:\Windows\services.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
PID:2924
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
28KB
MD5a4d9f0797390c24d757349d8049f0bf7
SHA1c98e698f7eaa5f6dc282bfdd48305f2449076765
SHA2568345aae70ae23a7aae56ae4fcc27ff6309c93707c4c0ed80e1b2489f28d34ea6
SHA512dead036e8e1cad7ea3bd8242e9119876ca56271e698d54da927b2c358a6837d13c6ad8552f05220232c12baaf0830021671965165fe141e000c6c97e13f926ea
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Filesize
1KB
MD5b3c506650234b15664ff354e8ce20bbe
SHA11186c2a71aa2e22ef16c7e4849cf8cfd768761bc
SHA25630f10a9501f08fb90258c32cd4c98341d9a3e1e2c8d043070904d0bf6e1c071f
SHA512448c26af282dd7401118760acce7ae0435b20ad46e2be158fef494fed8e2e3a8bade119f3cced5f66a28ce33dac3216924939a328251b09ef96a3cd637c1c7c7
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2