Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
22-12-2024 00:59
Behavioral task
behavioral1
Sample
8fbc43738487c049384ff3cfe010b5d9b960570fa941c9e3b8ddb8fab9844cf8.exe
Resource
win7-20241023-en
Behavioral task
behavioral2
Sample
8fbc43738487c049384ff3cfe010b5d9b960570fa941c9e3b8ddb8fab9844cf8.exe
Resource
win10v2004-20241007-en
General
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Target
8fbc43738487c049384ff3cfe010b5d9b960570fa941c9e3b8ddb8fab9844cf8.exe
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Size
29KB
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MD5
e68b8ab96d87982361cca1d48d81ef18
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SHA1
7e3b2d4c2acd3868fa3dc6aa0100b3677505e935
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SHA256
8fbc43738487c049384ff3cfe010b5d9b960570fa941c9e3b8ddb8fab9844cf8
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SHA512
847d9162f8f65a7bd5ebd9335b1a0d2b9df5f5010b1e572d43a01edf9194bba22a392c2445a5a6a6dac0082d27eec99709118d40cbcec22d0f5bef8c4fefe188
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/bh1:AEwVs+0jNDY1qi/qzP
Malware Config
Signatures
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Detects MyDoom family 8 IoCs
resource yara_rule behavioral2/memory/5004-13-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/5004-39-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/5004-126-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/5004-166-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/5004-173-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/5004-195-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/5004-223-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/5004-260-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 2300 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" 8fbc43738487c049384ff3cfe010b5d9b960570fa941c9e3b8ddb8fab9844cf8.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral2/memory/5004-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2300-6-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x000b000000023b79-4.dat upx behavioral2/memory/5004-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2300-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2300-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2300-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2300-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2300-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2300-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2300-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5004-39-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2300-40-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x0003000000021f4b-53.dat upx behavioral2/memory/5004-126-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2300-127-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5004-166-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2300-167-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2300-169-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5004-173-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2300-174-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5004-195-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2300-199-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5004-223-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2300-224-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5004-260-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2300-261-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe 8fbc43738487c049384ff3cfe010b5d9b960570fa941c9e3b8ddb8fab9844cf8.exe File opened for modification C:\Windows\java.exe 8fbc43738487c049384ff3cfe010b5d9b960570fa941c9e3b8ddb8fab9844cf8.exe File created C:\Windows\java.exe 8fbc43738487c049384ff3cfe010b5d9b960570fa941c9e3b8ddb8fab9844cf8.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 8fbc43738487c049384ff3cfe010b5d9b960570fa941c9e3b8ddb8fab9844cf8.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 5004 wrote to memory of 2300 5004 8fbc43738487c049384ff3cfe010b5d9b960570fa941c9e3b8ddb8fab9844cf8.exe 83 PID 5004 wrote to memory of 2300 5004 8fbc43738487c049384ff3cfe010b5d9b960570fa941c9e3b8ddb8fab9844cf8.exe 83 PID 5004 wrote to memory of 2300 5004 8fbc43738487c049384ff3cfe010b5d9b960570fa941c9e3b8ddb8fab9844cf8.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\8fbc43738487c049384ff3cfe010b5d9b960570fa941c9e3b8ddb8fab9844cf8.exe"C:\Users\Admin\AppData\Local\Temp\8fbc43738487c049384ff3cfe010b5d9b960570fa941c9e3b8ddb8fab9844cf8.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5004 -
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:2300
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
312B
MD5c15952329e9cd008b41f979b6c76b9a2
SHA153c58cc742b5a0273df8d01ba2779a979c1ff967
SHA2565d065a88f9a1fb565c2d70e87148d469dd9dcbbefea4ccc8c181745eda748ab7
SHA5126aecdd949abcd2cb54e2fe3e1171ee47c247aa3980a0847b9934f506ef9b2d3180831adf6554c68b0621f9f9f3cd88767ef9487bc6e51cecd6a8857099a7b296
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Filesize
315B
MD514b82aec966e8e370a28053db081f4e9
SHA1a0f30ebbdb4c69947d3bd41fa63ec4929dddd649
SHA256202eada95ef503b303a05caf5a666f538236c7e697f5301fd178d994fa6e24cf
SHA512ec04f1d86137dc4d75a47ba47bb2f2c912115372fa000cf986d13a04121aae9974011aa716c7da3893114e0d5d0e2fb680a6c2fd40a1f93f0e0bfd6fd625dfa7
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Filesize
311B
MD5cb42662caffe525e9957c942617edf06
SHA1615009db9a1a242579e639ee0fc7a2a765095bfe
SHA256312bf5c9a1a122abc6361bf8ed01a44346285b962c0d273ef2de0eb796ae1b15
SHA5123e6777f1f74f64fff6cb2bd1a81a6c08d9a64feeebc3deb7cacb8f0f41b23a5c59a8e6294b99c76dd386aaaf9043a1a252ac47910fe1801bdc2995f7b675692c
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Filesize
25B
MD58ba61a16b71609a08bfa35bc213fce49
SHA18374dddcc6b2ede14b0ea00a5870a11b57ced33f
SHA2566aa63394c1f5e705b1e89c55ff19eed71957e735c3831a845ff62f74824e13f1
SHA5125855f5b2a78877f7a27ff92eaaa900d81d02486e6e2ea81d80b6f6cf1fe254350444980017e00cdeecdd3c67b86e7acc90cd2d77f06210bdd1d7b1a71d262df1
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Filesize
29KB
MD599698c1b9162dcde0c31dd15dabd96b2
SHA1a0547c5ce55155bae7713d79bd6a5b074041b4cf
SHA2564b571071fcf00faaf947f72034d624670fca03f1cf6ce65240433c3d4287c389
SHA5122e559eace905a07b40fece0d6190149c5772dab16b3af5b1f270f059cc07d3de5acd7ab7250128cbfd0ad7b2946cdf991d88a1f5cdb71cc7c96027e81387430d
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Filesize
29KB
MD54480f4f95673d292f07925d4ec0660cd
SHA1ea1309e66c7cc0a3de6303fe19300a91d489dad1
SHA256d9161ac5d0bde896ec9cd2b6ffc1cfbf935da77198533efab80beb566cb7e468
SHA5126290710eb3a3ba33ecc5d1985526ac18c94b56b08c40e5d7b35e947fe9a6044e48a98673b07f84e8b142f28875661fd68273b5f6c6f641c36486d005e304c645
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Filesize
320B
MD54a485aeb5845b13652d4430adf86d5b6
SHA18ef2c416956b69cb8948f69aaadf4d3b19bd31bd
SHA2568e68a93e516ba890efe3454deb9300fda114e0095d1dd5272d5b649902533068
SHA5124e04608a725c142e424d3323f8c42bdc45b69a11d07c4c7c156d6723eece303569bee385d524f5af4c08ecdae82242ae5a10d80fd9e16e8569d77df431abf809
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Filesize
320B
MD5dbdff3d0e06995134e54f523f1f39881
SHA1577cf1e24c845d8f5553db329e926debb9d450b4
SHA2563b468ec978c0c5ccf53f48c9dddcc61bca3a55918cea38b465e4798474a3948e
SHA51208c9659aeb646db7c9e93f7789ba2a9df59c5a2e682de2898cced6f3e51df5859fbaf3142bde0ced5ed4423725d80c792ca73e8e43c58b793252c912f561eeb8
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2