Analysis
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max time kernel
120s -
max time network
120s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
12-01-2025 06:55
Behavioral task
behavioral1
Sample
c3e37866427c6e4540162d5d1308f8e35ec33dde84a8d0207ac8da60183ed039N.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
c3e37866427c6e4540162d5d1308f8e35ec33dde84a8d0207ac8da60183ed039N.exe
Resource
win10v2004-20241007-en
General
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Target
c3e37866427c6e4540162d5d1308f8e35ec33dde84a8d0207ac8da60183ed039N.exe
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Size
29KB
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MD5
d7c3b7ca7ea5cb0ab6a9c5ad68c97c40
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SHA1
1c96d5d66c13c8603639880d1fe5aaa2289f4947
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SHA256
c3e37866427c6e4540162d5d1308f8e35ec33dde84a8d0207ac8da60183ed039
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SHA512
58acc9c8248c1f1fa9516abdbd5d85b907a36b5fd85da58bbd21795211da5db7c390ef7d45fe4acced6b3cd293e2e0f214a01c8c3e2308a52567cd08b269dbce
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/rhx:AEwVs+0jNDY1qi/qjL
Malware Config
Signatures
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Detects MyDoom family 5 IoCs
resource yara_rule behavioral2/memory/4180-13-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4180-44-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4180-66-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4180-152-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4180-166-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 3288 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" c3e37866427c6e4540162d5d1308f8e35ec33dde84a8d0207ac8da60183ed039N.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral2/memory/4180-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/files/0x000e000000023a3a-4.dat upx behavioral2/memory/3288-5-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4180-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/3288-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3288-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3288-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3288-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3288-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3288-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3288-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3288-40-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4180-44-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/3288-45-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x0003000000022187-58.dat upx behavioral2/memory/4180-66-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/3288-102-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4180-152-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/3288-161-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4180-166-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/3288-167-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe c3e37866427c6e4540162d5d1308f8e35ec33dde84a8d0207ac8da60183ed039N.exe File opened for modification C:\Windows\java.exe c3e37866427c6e4540162d5d1308f8e35ec33dde84a8d0207ac8da60183ed039N.exe File created C:\Windows\java.exe c3e37866427c6e4540162d5d1308f8e35ec33dde84a8d0207ac8da60183ed039N.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 c3e37866427c6e4540162d5d1308f8e35ec33dde84a8d0207ac8da60183ed039N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4180 wrote to memory of 3288 4180 c3e37866427c6e4540162d5d1308f8e35ec33dde84a8d0207ac8da60183ed039N.exe 84 PID 4180 wrote to memory of 3288 4180 c3e37866427c6e4540162d5d1308f8e35ec33dde84a8d0207ac8da60183ed039N.exe 84 PID 4180 wrote to memory of 3288 4180 c3e37866427c6e4540162d5d1308f8e35ec33dde84a8d0207ac8da60183ed039N.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\c3e37866427c6e4540162d5d1308f8e35ec33dde84a8d0207ac8da60183ed039N.exe"C:\Users\Admin\AppData\Local\Temp\c3e37866427c6e4540162d5d1308f8e35ec33dde84a8d0207ac8da60183ed039N.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4180 -
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:3288
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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
29KB
MD576212150209fb392088dd2e346c1895e
SHA1a44ff15a6614e129f14d2a54d964aca0a7cc67ca
SHA256774b5726ca9bd5eb2ab92280b4b727aca2f8afc11b20226b2a23f83bddbae369
SHA512e648459c08eb7176239549512851cd08a26496557e96ca4143cb24955bcedc50a590714e5df3dfeaf4f3e6c4ae920aec3e937590b608184ca17b0ff954cdd321
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Filesize
320B
MD5c01adea014dda3f25e9995b6ba8860f3
SHA1286ec6aabe4b69089217f9d2e70fe73c144192b6
SHA256b349ec68852355a7067d54a944aeb418da58ec072ccf1b22b2977f51e831a285
SHA5128a055c0a42426ce9737ec3500efcd205d29491d85c5ed726a7dc4f59fa791cbfa352e2d5c4309f1d707ad7b1f55b435c050e50d7a4e28f3c5b1b610b8be9f0f1
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2