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Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20250314-en -
resource tags
arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system -
submitted
14/03/2025, 00:11
Behavioral task
behavioral1
Sample
JaffaCakes118_728b2678a917480675f83207a8cb3a1f.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
JaffaCakes118_728b2678a917480675f83207a8cb3a1f.exe
Resource
win10v2004-20250314-en
General
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Target
JaffaCakes118_728b2678a917480675f83207a8cb3a1f.exe
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Size
28KB
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MD5
728b2678a917480675f83207a8cb3a1f
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SHA1
239d4bc6f652a8144441ab3f9aeab01913789986
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SHA256
8acc86e57361ef718d0c7e9d97d5a4214e332eaf25ac1793a69a74163fd7264f
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SHA512
255d26ef22cae3eda858801d809046f73164bdfa8194b9dbbbc68c4e33ae5c97ab97eed788ab766d4c61327159fa060830ccebe00b27af6d0beed4e340b2e518
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SSDEEP
384:1vxBbK26lj5Id8SpHx9jLhsznnVxA1WmP5w7GGCJlqqwMyNaQ9vx05:Dv8IRRdsxq1DjJcqfkvK
Malware Config
Signatures
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Detects MyDoom family 5 IoCs
resource yara_rule behavioral2/memory/2044-13-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral2/memory/2044-51-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral2/memory/2044-113-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral2/memory/2044-139-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral2/memory/2044-150-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 5404 services.exe -
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" JaffaCakes118_728b2678a917480675f83207a8cb3a1f.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral2/memory/2044-0-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral2/files/0x00080000000242a3-4.dat upx behavioral2/memory/5404-5-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2044-13-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral2/memory/5404-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5404-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5404-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5404-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5404-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5404-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5404-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5404-40-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5404-45-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5404-50-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2044-51-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral2/memory/5404-52-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x0011000000024101-60.dat upx behavioral2/memory/2044-113-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral2/memory/5404-116-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2044-139-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral2/memory/5404-140-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2044-150-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral2/memory/5404-151-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5404-155-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe JaffaCakes118_728b2678a917480675f83207a8cb3a1f.exe File opened for modification C:\Windows\java.exe JaffaCakes118_728b2678a917480675f83207a8cb3a1f.exe File created C:\Windows\java.exe JaffaCakes118_728b2678a917480675f83207a8cb3a1f.exe -
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 JaffaCakes118_728b2678a917480675f83207a8cb3a1f.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2044 wrote to memory of 5404 2044 JaffaCakes118_728b2678a917480675f83207a8cb3a1f.exe 85 PID 2044 wrote to memory of 5404 2044 JaffaCakes118_728b2678a917480675f83207a8cb3a1f.exe 85 PID 2044 wrote to memory of 5404 2044 JaffaCakes118_728b2678a917480675f83207a8cb3a1f.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_728b2678a917480675f83207a8cb3a1f.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_728b2678a917480675f83207a8cb3a1f.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2044 -
C:\Windows\services.exe"C:\Windows\services.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
PID:5404
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
28KB
MD5bc4277815d6637eee966acf491a2322a
SHA12ce3269cc034836651e82ab54f0dffb223b6ca7c
SHA256fd6ad6cd9ee99960231f5c6a6c07adfeffb8a2f6e6fa157f0e2d2d713729144b
SHA5124ffc1ea51e709e42c434e498e2177487a70dbd72df3a35bcafa99c11ed099f206b77151eadc76cc0a2876cec07f3483d07b3dd85f2f9b445962a8535a46d7ce6
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Filesize
1KB
MD50fa034733b391666fbc2843c630acdcb
SHA11b0130c255bc1b0a5aa33fac13cc66d5d8d13035
SHA256e6b48abfe5fc70534343a8176e90231a7fd110eb6140709191bd19708d687967
SHA51284764fcd7c939d3b963fb946fcaef9b50a6b04fcdc1676e500579ffc631bda943a6fbec45db4ed8fc33953257fc95f95418170691c00533bff61cf2d5b1ef988
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Filesize
1KB
MD54709179a48679d256de09a698efb46f2
SHA1e01f55e17f5443fde5ed1e8ce2ce2c8a8ab9767f
SHA2563c0959e76060b2f968caae2f6d2fe8928b7282ded02b4abb626e2d641f455938
SHA51257945386b6fcfff3c97730fbf95aafb9a6bc4f57bdfd13aa01583aa162b6fdfcb38ae4e717cde0cc5d827e8bffa194a0b2e5f0f38ef4edf6bf3b9ae5ee0d4c51
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2