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Analysis
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max time kernel
150s -
max time network
153s -
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, 01:25
Behavioral task
behavioral1
Sample
JaffaCakes118_72bca2da5570290865fa116817b4afce.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
JaffaCakes118_72bca2da5570290865fa116817b4afce.exe
Resource
win10v2004-20250314-en
General
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Target
JaffaCakes118_72bca2da5570290865fa116817b4afce.exe
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Size
28KB
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MD5
72bca2da5570290865fa116817b4afce
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SHA1
b06d624b925c885640e808936b6ced0827250464
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SHA256
4856437d3362ca7dd735a6ba08b9777984ba97bcdb3e3e4217c068688a25035f
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SHA512
1f5724b34186cae92cd548fd2058741c22616c2a85f87d153e40398116e510efba1d5654fc6f5caab908d5042c47e14c1bc228087b53d803ee12ed03a2425c0b
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SSDEEP
384:1vxBbK26lj5Id8SpHx9jLhsznnVxA1WmP5w7GGCJlqqwMyN/:Dv8IRRdsxq1DjJcqf0
Malware Config
Signatures
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Detects MyDoom family 5 IoCs
resource yara_rule behavioral2/memory/6088-13-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral2/memory/6088-56-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral2/memory/6088-61-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral2/memory/6088-152-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral2/memory/6088-167-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 4840 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_72bca2da5570290865fa116817b4afce.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral2/memory/6088-0-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral2/files/0x0008000000024230-4.dat upx behavioral2/memory/4840-6-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/6088-13-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral2/memory/4840-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4840-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4840-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4840-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4840-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4840-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4840-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4840-40-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4840-45-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4840-50-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4840-52-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/6088-56-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral2/memory/4840-57-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/6088-61-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral2/files/0x000800000002424f-71.dat upx behavioral2/memory/4840-84-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/6088-152-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral2/memory/4840-153-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/6088-167-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral2/memory/4840-168-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File opened for modification C:\Windows\java.exe JaffaCakes118_72bca2da5570290865fa116817b4afce.exe File created C:\Windows\java.exe JaffaCakes118_72bca2da5570290865fa116817b4afce.exe File created C:\Windows\services.exe JaffaCakes118_72bca2da5570290865fa116817b4afce.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_72bca2da5570290865fa116817b4afce.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 6088 wrote to memory of 4840 6088 JaffaCakes118_72bca2da5570290865fa116817b4afce.exe 84 PID 6088 wrote to memory of 4840 6088 JaffaCakes118_72bca2da5570290865fa116817b4afce.exe 84 PID 6088 wrote to memory of 4840 6088 JaffaCakes118_72bca2da5570290865fa116817b4afce.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_72bca2da5570290865fa116817b4afce.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_72bca2da5570290865fa116817b4afce.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:6088 -
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:4840
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
28KB
MD50729f064e4d44dd2e3c0ee983bc58c3f
SHA157478a799b1e18a8dc7a741062ebb9135556dfaf
SHA256739b439f91d23e735bf14fe03cc3539910cb58878c23dedfa5f846e5c5317e0c
SHA51281086e7ecd769f82786b25258bb7aa50bffe7a5901ccf3d866c8450582762560c36fa954cce580498405f8fd49141596e557b60c48bc9f65c8dde7134814b3e3
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Filesize
1KB
MD58ce155f8fa8cb19898bfd4b6c91ff2e5
SHA114e9117031f297c5fa3557c6221a33d02d8edd19
SHA2565ae9a9ead367a0b656d0250a2b2905a16c74778df35ade3ae00f57ec57cc2d78
SHA51208e837fbe29607d05a286085b3bd169803b7a3d76259278657f65a1fb1eb3205b8d92c2ee11d333c0dcbaa79b22f4aa55eff9eb17a3b6ba0e3d804fe7d9ab1e4
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2