Analysis
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max time kernel
150s -
max time network
153s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
04-01-2025 06:59
Behavioral task
behavioral1
Sample
JaffaCakes118_784f6e1424617e8238c85a945eda38ba.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
JaffaCakes118_784f6e1424617e8238c85a945eda38ba.exe
Resource
win10v2004-20241007-en
General
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Target
JaffaCakes118_784f6e1424617e8238c85a945eda38ba.exe
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Size
28KB
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MD5
784f6e1424617e8238c85a945eda38ba
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SHA1
983ec7bc11e4469c3d90aca150580f20c3dffae7
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SHA256
72b8245eb0daace450d0f7ee47a243e8cc823ea1cb96e88b65e97e452c20fb44
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SHA512
097fb1e1ae37667b462222d014cd0403ccedd95aac5ced87ad51fdd12f6b88856f76aa324161883615f8a36776dfb96f257c0521b5bfb6e6d67bf7c4eac2f539
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SSDEEP
384:1vxBbK26lj5Id8SpHx9jLhsznnVxA1WmP5w7GGCJlqqwMyN6oK:Dv8IRRdsxq1DjJcqflL
Malware Config
Signatures
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Detects MyDoom family 6 IoCs
resource yara_rule behavioral1/memory/2736-17-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral1/memory/2736-56-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral1/memory/2736-61-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral1/memory/2736-79-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral1/memory/2736-81-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral1/memory/2736-86-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 2944 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_784f6e1424617e8238c85a945eda38ba.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral1/memory/2736-0-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/files/0x000900000001660b-7.dat upx behavioral1/memory/2736-4-0x0000000000220000-0x0000000000228000-memory.dmp upx behavioral1/memory/2944-11-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2736-17-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/2944-20-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2944-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2944-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2944-31-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2944-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2944-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2944-43-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2944-45-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2944-50-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2944-55-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2736-56-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/2944-57-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2736-61-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/2944-62-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x001300000001626d-72.dat upx behavioral1/memory/2736-79-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/2944-80-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2736-81-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/2944-82-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2736-86-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/2944-87-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe JaffaCakes118_784f6e1424617e8238c85a945eda38ba.exe File opened for modification C:\Windows\java.exe JaffaCakes118_784f6e1424617e8238c85a945eda38ba.exe File created C:\Windows\java.exe JaffaCakes118_784f6e1424617e8238c85a945eda38ba.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_784f6e1424617e8238c85a945eda38ba.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2736 wrote to memory of 2944 2736 JaffaCakes118_784f6e1424617e8238c85a945eda38ba.exe 30 PID 2736 wrote to memory of 2944 2736 JaffaCakes118_784f6e1424617e8238c85a945eda38ba.exe 30 PID 2736 wrote to memory of 2944 2736 JaffaCakes118_784f6e1424617e8238c85a945eda38ba.exe 30 PID 2736 wrote to memory of 2944 2736 JaffaCakes118_784f6e1424617e8238c85a945eda38ba.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_784f6e1424617e8238c85a945eda38ba.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_784f6e1424617e8238c85a945eda38ba.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2736 -
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:2944
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
28KB
MD5091a00c7882a33a683b0e509eed11851
SHA1a5d9ed599bbfcb49bfdbf2fc6f2cdbc8b325be41
SHA256cb6c44724546b4ce3e9f652dc365e7a8dbf06bd09367927697a501ed9819281b
SHA5125c0d34031f2269e1d720af4f5486059bc067cffe6421ac207d774c36ffae4454c9948ab2f1b97282b43d0dc6d9212c9ea9a894c77ec773307cbdee0d97ce153b
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Filesize
1KB
MD54e21e0f906ec3ba8c5ab8f4bd2353402
SHA132a156089b1ed17981614651edaeaaeff25077ad
SHA25601ebd6ba464608aee45f39dc219fbd022a75737c4d2976b20b9a66bbe1b4aa60
SHA512598b2cdd12143860d2b96bb9dd7bc8a70e218f535914a0d0f66aad56e955a2d43a9c11c238f584faa0971584c449d20fb97342ce0316dae683e9b7777e7555a4
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2