Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
04-01-2025 02:10
Behavioral task
behavioral1
Sample
JaffaCakes118_7700b081f8a935fddc9afa880c944d52.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
JaffaCakes118_7700b081f8a935fddc9afa880c944d52.exe
Resource
win10v2004-20241007-en
General
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Target
JaffaCakes118_7700b081f8a935fddc9afa880c944d52.exe
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Size
28KB
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MD5
7700b081f8a935fddc9afa880c944d52
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SHA1
05ad7cbd0871511281512a8ad731a120fb8cda35
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SHA256
a4886b0e422f0dd09dea7cd5238caf4bb65d791e8c26217a62dea0fad2a82955
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SHA512
fad86854ad3787d2707294fd8acdb0dc27a0926982f116b2b1348dc3c7750dee3f2f07da62ebbeae53583b4422a3ab7e69408772963b91513b615f0a61c1b752
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SSDEEP
384:1vxBbK26lj5Id8SpHx9jLhsznnVxA1WmP5w7GGCJlqqwMyNkkU6:Dv8IRRdsxq1DjJcqfUz
Malware Config
Signatures
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Detects MyDoom family 5 IoCs
resource yara_rule behavioral2/memory/4668-13-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral2/memory/4668-51-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral2/memory/4668-132-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral2/memory/4668-167-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral2/memory/4668-174-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 3560 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_7700b081f8a935fddc9afa880c944d52.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral2/memory/4668-0-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral2/files/0x0008000000023ca4-4.dat upx behavioral2/memory/3560-5-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4668-13-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral2/memory/3560-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3560-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3560-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3560-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3560-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3560-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3560-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3560-40-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3560-45-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3560-50-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3560-52-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4668-51-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral2/files/0x0006000000000034-65.dat upx behavioral2/memory/4668-132-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral2/memory/3560-133-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4668-167-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral2/memory/3560-168-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3560-170-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4668-174-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral2/memory/3560-175-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\java.exe JaffaCakes118_7700b081f8a935fddc9afa880c944d52.exe File created C:\Windows\services.exe JaffaCakes118_7700b081f8a935fddc9afa880c944d52.exe File opened for modification C:\Windows\java.exe JaffaCakes118_7700b081f8a935fddc9afa880c944d52.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_7700b081f8a935fddc9afa880c944d52.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4668 wrote to memory of 3560 4668 JaffaCakes118_7700b081f8a935fddc9afa880c944d52.exe 82 PID 4668 wrote to memory of 3560 4668 JaffaCakes118_7700b081f8a935fddc9afa880c944d52.exe 82 PID 4668 wrote to memory of 3560 4668 JaffaCakes118_7700b081f8a935fddc9afa880c944d52.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7700b081f8a935fddc9afa880c944d52.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7700b081f8a935fddc9afa880c944d52.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4668 -
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:3560
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
25B
MD58ba61a16b71609a08bfa35bc213fce49
SHA18374dddcc6b2ede14b0ea00a5870a11b57ced33f
SHA2566aa63394c1f5e705b1e89c55ff19eed71957e735c3831a845ff62f74824e13f1
SHA5125855f5b2a78877f7a27ff92eaaa900d81d02486e6e2ea81d80b6f6cf1fe254350444980017e00cdeecdd3c67b86e7acc90cd2d77f06210bdd1d7b1a71d262df1
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Filesize
28KB
MD518aa3ae0a30a767cf87c821e87fd6333
SHA1b0b990c1e86dd9fff57917ff38ada10bb1a4ae0b
SHA256ef768d4b5c1e105d0e21dd2e680ebdfbc8c25fb6919e2edb31a066e2eec3e694
SHA512f8b44b90bae9c30ca9834233ea3cc3a50f2ceda65ae6283da14e11b77683585847012608ff4163b6628a4ade5cecd46f5297954bafd864210d4815747ef85c0d
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Filesize
1KB
MD515b3d64dad8c7019042111d4aa99dd60
SHA1cb87ed433614c237681106ecb4aab42cbb9fe4c5
SHA2565e55622384d4d1254c9e103aaa6fe1450b073e0c10e5390dd57b1a84bc629631
SHA512491f4fc187c8a1ff213b364c76307843a4bdb088cfdd304bdf30525f7a95171044293f7fce7425c69573f9975db9e79ae5392859cb2900cb5be5a2286f1594e1
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Filesize
1KB
MD54f0035f27fe682dab158bba71f05c140
SHA1388b8ae6ce3fec9aad28118b27d32119ef8ff1b9
SHA2567327c276d7a80639cef49e1952dbe1175bc2571829a7ebece21ad4be4d0b2088
SHA512a52c476554766a63d1f96c82b4bf806f5ac7349bf249d4be6f482ff2582b914c5ba936b2c7557b9879648547711ee925c1aaeed4f887bbfe924a05ec0caafb64
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2