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Analysis
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max time kernel
150s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
14/03/2025, 15:26
Behavioral task
behavioral1
Sample
JaffaCakes118_74c0a17e56bd978c739392f9d4ed1aa3.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
JaffaCakes118_74c0a17e56bd978c739392f9d4ed1aa3.exe
Resource
win10v2004-20250314-en
General
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Target
JaffaCakes118_74c0a17e56bd978c739392f9d4ed1aa3.exe
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Size
28KB
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MD5
74c0a17e56bd978c739392f9d4ed1aa3
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SHA1
2a355df718d2277ab15005c05e2b993087571213
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SHA256
94e273168c445db4b858b1ac157b0c682eac3e6e1a3880986d837b483d213537
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SHA512
cc2b03820431741f430b0b5996825716c9bac2ef3b25b847229367eba695b37096bcc8bd7516abece8f334913b4a0ae85f70c1efc627290d7896ad75d3538533
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SSDEEP
384:1vxBbK26lj5Id8SpHx9jLhsznnVxA1WmP5w7GGCJlqqwMyNAF+:Dv8IRRdsxq1DjJcqfh+
Malware Config
Signatures
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Detects MyDoom family 6 IoCs
resource yara_rule behavioral1/memory/2756-16-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral1/memory/2756-52-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral1/memory/2756-54-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral1/memory/2756-75-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral1/memory/2756-80-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral1/memory/2756-82-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 2968 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\Services = "C:\\Windows\\services.exe" services.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\JavaVM = "C:\\Windows\\java.exe" JaffaCakes118_74c0a17e56bd978c739392f9d4ed1aa3.exe -
resource yara_rule behavioral1/memory/2756-0-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/2756-4-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0008000000016d0e-7.dat upx behavioral1/memory/2968-10-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2756-16-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/2968-18-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2968-19-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2968-24-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2968-29-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2968-31-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2968-36-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2968-41-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2968-43-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2968-48-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2756-52-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/2968-53-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2756-54-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/2968-55-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0005000000004ed7-65.dat upx behavioral1/memory/2756-75-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/2968-76-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2756-80-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/2968-81-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2756-82-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/2968-83-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2968-88-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe JaffaCakes118_74c0a17e56bd978c739392f9d4ed1aa3.exe File opened for modification C:\Windows\java.exe JaffaCakes118_74c0a17e56bd978c739392f9d4ed1aa3.exe File created C:\Windows\java.exe JaffaCakes118_74c0a17e56bd978c739392f9d4ed1aa3.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_74c0a17e56bd978c739392f9d4ed1aa3.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2756 wrote to memory of 2968 2756 JaffaCakes118_74c0a17e56bd978c739392f9d4ed1aa3.exe 30 PID 2756 wrote to memory of 2968 2756 JaffaCakes118_74c0a17e56bd978c739392f9d4ed1aa3.exe 30 PID 2756 wrote to memory of 2968 2756 JaffaCakes118_74c0a17e56bd978c739392f9d4ed1aa3.exe 30 PID 2756 wrote to memory of 2968 2756 JaffaCakes118_74c0a17e56bd978c739392f9d4ed1aa3.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_74c0a17e56bd978c739392f9d4ed1aa3.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_74c0a17e56bd978c739392f9d4ed1aa3.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2756 -
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:2968
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
28KB
MD52b037b69235927c556f200517434531a
SHA1d80367a2b44b57af3b1d4b4b3aa1a74aa80de64a
SHA256542514068dfadbc5607375e2266aed7996e13e008c46e41427bd43718916a7b3
SHA5120b1419561d4edcd980b6e90536f60c9e1d8c47689f3f939ba31182922393951807ad483ed8c131a9bb2e72bfdf9b549753ee0d213df9c66c249aefd844dc55dc
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Filesize
1KB
MD5afa95f87786816553db842c2cefe6146
SHA1c5ae3cf5ddebd902d3faec07f685f515a5f22b51
SHA2563c901251c9b65830569d7969e1e11e339aeec77dce5dd9040ac5d3495638e080
SHA5123defaeb336c39d25b3ff4785bf2d8fdcec84dc43ef8bc45f59f8747d19ecec00f7b71be4d21d2db7ac20a31465c62d4c1a09eea886fd72c8ad744f8118e87dfd
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2