Analysis
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max time kernel
150s -
max time network
154s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
10-01-2025 23:32
Behavioral task
behavioral1
Sample
4b2d8c89786a5bec4369c84c067a96e77322a0fed8b0964c5b7a939fe08d909f.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
4b2d8c89786a5bec4369c84c067a96e77322a0fed8b0964c5b7a939fe08d909f.exe
Resource
win10v2004-20241007-en
General
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Target
4b2d8c89786a5bec4369c84c067a96e77322a0fed8b0964c5b7a939fe08d909f.exe
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Size
29KB
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MD5
b2cff5c1c1d99af6982163b76d6316e2
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SHA1
70350c99e10d4e8470f4c2083b6b8b9eba02dc92
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SHA256
4b2d8c89786a5bec4369c84c067a96e77322a0fed8b0964c5b7a939fe08d909f
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SHA512
db5df4648747ab0ba758ca1586beff37894d19ac8c0f1da66a201673a52a21d9ecb784818eeb97caa6bdf0293956d5a34e405bd9fd73374688dbfbf84478a9cf
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/8hX:AEwVs+0jNDY1qi/q01
Malware Config
Signatures
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Detects MyDoom family 6 IoCs
resource yara_rule behavioral1/memory/2596-17-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2596-43-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2596-48-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2596-69-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2596-76-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2596-83-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 2240 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" 4b2d8c89786a5bec4369c84c067a96e77322a0fed8b0964c5b7a939fe08d909f.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral1/memory/2596-2-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2596-3-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2596-9-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0003000000018334-7.dat upx behavioral1/memory/2240-11-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2596-17-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2240-19-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2240-20-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2240-25-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2240-30-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2240-32-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2240-37-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2240-42-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2596-43-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2240-44-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2596-48-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2240-49-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0008000000019470-62.dat upx behavioral1/memory/2596-69-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2240-70-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2240-72-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2596-76-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2240-77-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2240-82-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2596-83-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2240-84-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2240-89-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe 4b2d8c89786a5bec4369c84c067a96e77322a0fed8b0964c5b7a939fe08d909f.exe File opened for modification C:\Windows\java.exe 4b2d8c89786a5bec4369c84c067a96e77322a0fed8b0964c5b7a939fe08d909f.exe File created C:\Windows\java.exe 4b2d8c89786a5bec4369c84c067a96e77322a0fed8b0964c5b7a939fe08d909f.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 4b2d8c89786a5bec4369c84c067a96e77322a0fed8b0964c5b7a939fe08d909f.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2596 wrote to memory of 2240 2596 4b2d8c89786a5bec4369c84c067a96e77322a0fed8b0964c5b7a939fe08d909f.exe 30 PID 2596 wrote to memory of 2240 2596 4b2d8c89786a5bec4369c84c067a96e77322a0fed8b0964c5b7a939fe08d909f.exe 30 PID 2596 wrote to memory of 2240 2596 4b2d8c89786a5bec4369c84c067a96e77322a0fed8b0964c5b7a939fe08d909f.exe 30 PID 2596 wrote to memory of 2240 2596 4b2d8c89786a5bec4369c84c067a96e77322a0fed8b0964c5b7a939fe08d909f.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\4b2d8c89786a5bec4369c84c067a96e77322a0fed8b0964c5b7a939fe08d909f.exe"C:\Users\Admin\AppData\Local\Temp\4b2d8c89786a5bec4369c84c067a96e77322a0fed8b0964c5b7a939fe08d909f.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2596 -
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:2240
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
29KB
MD58f748a782711ab705371e07ba9198fc4
SHA1efcb3a64a2455267ac7eeed8da189b8b772e90a5
SHA25683a7c407c91ebeee8fdb4f455c9bfd7f8f3b54fb876cc7f81e92708aa49d43e9
SHA512e37070eb86e04249c01efba64a161b074d1bce25597824e918b8377bb2000467f2621cca3e1016e29e30a37d674cd6cc1ce56db14eac588a44a0f402b3ff93d3
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Filesize
320B
MD598ec98769cccb700d48af85d5ad22eeb
SHA17903e046c6e790866d9200665912e2aaa4a087e3
SHA2564c42206915bf28250944d907996dba019bf87410f004daa8cd91c20b2800b8b4
SHA5121d26965b3840ecaeca7cf53b4e3be562c07c284328d2d16fe876087ceb5d6491f467f786771668bdab6624628555fbd1fc54ccf6af0fa178e531c64f0fdaf074
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Filesize
320B
MD50c62c7d459dd28a8860f3fe405a23120
SHA111b63d3b7f262c3d83bbdd5a9209f1590b3fb4c7
SHA2562cdc8042776913c2ad9abc86bd56ec6b30f18ab1fa53dc466f00874156e3cb61
SHA512f18d968291d13700d97f9a3b8c6df922ac7947013b648a489a87bbee05bfac7af919051c7432cb4d16b631635ea73d21ba2c2ed267e53833882daa6300e320f0
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2