Analysis
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max time kernel
150s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
01-01-2025 16:38
Behavioral task
behavioral1
Sample
JaffaCakes118_5c8a6fa27a6a141bd2bf812134003204.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
JaffaCakes118_5c8a6fa27a6a141bd2bf812134003204.exe
Resource
win10v2004-20241007-en
General
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Target
JaffaCakes118_5c8a6fa27a6a141bd2bf812134003204.exe
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Size
28KB
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MD5
5c8a6fa27a6a141bd2bf812134003204
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SHA1
06e658394f2fb494cefb319cd815a5c223896763
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SHA256
dd9fc39738597e638b4397d6d2cb071202d9b42b252fe38396b78b75e4134d24
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SHA512
63ef4127b14244eca3c540c402db693f2ad449bea969200d3ac1bfcce7e888c94fe48e538232302e22aec67670b81d9ce71a742cb276ff0f7292beca56ccf22d
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SSDEEP
384:1vxBbK26lj5Id8SpHx9jLhsznnVxA1WmP5w7GGCJlqqwMyNFFRl:Dv8IRRdsxq1DjJcqfsh
Malware Config
Signatures
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Detects MyDoom family 7 IoCs
resource yara_rule behavioral1/memory/272-16-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral1/memory/272-52-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral1/memory/272-54-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral1/memory/272-78-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral1/memory/272-83-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral1/memory/272-85-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral1/memory/272-90-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 864 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_5c8a6fa27a6a141bd2bf812134003204.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral1/memory/272-0-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/272-4-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/272-8-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0007000000016d17-9.dat upx behavioral1/memory/272-16-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/864-18-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/864-19-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/864-24-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/864-29-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/864-31-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/864-36-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/864-41-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/864-43-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/864-48-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/864-53-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/272-52-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/864-55-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/272-54-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/files/0x0005000000004ed7-65.dat upx behavioral1/memory/864-79-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/272-78-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/272-83-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/864-84-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/272-85-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/864-86-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/272-90-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/864-91-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe JaffaCakes118_5c8a6fa27a6a141bd2bf812134003204.exe File opened for modification C:\Windows\java.exe JaffaCakes118_5c8a6fa27a6a141bd2bf812134003204.exe File created C:\Windows\java.exe JaffaCakes118_5c8a6fa27a6a141bd2bf812134003204.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_5c8a6fa27a6a141bd2bf812134003204.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 272 wrote to memory of 864 272 JaffaCakes118_5c8a6fa27a6a141bd2bf812134003204.exe 31 PID 272 wrote to memory of 864 272 JaffaCakes118_5c8a6fa27a6a141bd2bf812134003204.exe 31 PID 272 wrote to memory of 864 272 JaffaCakes118_5c8a6fa27a6a141bd2bf812134003204.exe 31 PID 272 wrote to memory of 864 272 JaffaCakes118_5c8a6fa27a6a141bd2bf812134003204.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5c8a6fa27a6a141bd2bf812134003204.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5c8a6fa27a6a141bd2bf812134003204.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:272 -
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:864
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
28KB
MD56046dea941b426567eab8b40bcccd1e3
SHA13d972fca29328ee4bf29e64dac236936057e1af9
SHA256935f09113a6df4fd77991ac7746625d5e5671523e25d3ed57658da0f3f495e3a
SHA51239f9e528d69d3fdca7f830d2c66cc9a030e7a9c7934520d3a35c8ef2487e39c9a3aaec56e606c7b98a2246f65d2d40be1d7781077e77776b51d537803beb45d8
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Filesize
1KB
MD5b43b28cdc49931c0f461f83bc67da497
SHA1b1ffa0f9f6cbbe88441eac4f38a52507818fbdc0
SHA2561cf4a63b5240b11ce04e58de4c4f0c83938d3bdf3e051f0bef9e8fbb8db6a103
SHA512aab9d804c7cc59c1956eeb4354ed74d146dcfd1eb55e2775bdd039a9b05908a00aeb71ba74a6cd5132ea7ee716104fdd539cf6f4588ce424fa3548f572d7cf66
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2