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
21-12-2024 21:57
Behavioral task
behavioral1
Sample
da6fc91374ea8c9028e596adc121ee19731f36946d5c1f59d2e28f0874194345.exe
Resource
win7-20241023-en
Behavioral task
behavioral2
Sample
da6fc91374ea8c9028e596adc121ee19731f36946d5c1f59d2e28f0874194345.exe
Resource
win10v2004-20241007-en
General
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Target
da6fc91374ea8c9028e596adc121ee19731f36946d5c1f59d2e28f0874194345.exe
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Size
29KB
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MD5
502a9ca8782ea6d7685054dae391607c
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SHA1
e13007cd97818fe565a337e2572f6c30b10c866f
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SHA256
da6fc91374ea8c9028e596adc121ee19731f36946d5c1f59d2e28f0874194345
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SHA512
1f81af2e529a39ab2308808a20df92a12f6d981399845dc351feb04e1973b44cb85d0c8c336eb401d5942cb2be8a916602bcde96d54cd160b72ad6b74ccd622f
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/5hb:AEwVs+0jNDY1qi/qR5
Malware Config
Signatures
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Detects MyDoom family 10 IoCs
resource yara_rule behavioral2/memory/3876-13-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/3876-32-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/3876-37-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/3876-135-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/3876-154-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/3876-161-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/3876-191-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/3876-216-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/3876-247-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/3876-279-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 1220 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" da6fc91374ea8c9028e596adc121ee19731f36946d5c1f59d2e28f0874194345.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral2/memory/3876-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1220-5-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x0009000000023c95-4.dat upx behavioral2/memory/3876-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1220-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1220-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1220-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1220-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1220-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3876-32-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1220-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3876-37-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1220-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x000500000001e726-48.dat upx behavioral2/memory/3876-135-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1220-136-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3876-154-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1220-155-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1220-160-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3876-161-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1220-162-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3876-191-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1220-192-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3876-216-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1220-222-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3876-247-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1220-248-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3876-279-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1220-280-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe da6fc91374ea8c9028e596adc121ee19731f36946d5c1f59d2e28f0874194345.exe File opened for modification C:\Windows\java.exe da6fc91374ea8c9028e596adc121ee19731f36946d5c1f59d2e28f0874194345.exe File created C:\Windows\java.exe da6fc91374ea8c9028e596adc121ee19731f36946d5c1f59d2e28f0874194345.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 services.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language da6fc91374ea8c9028e596adc121ee19731f36946d5c1f59d2e28f0874194345.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3876 wrote to memory of 1220 3876 da6fc91374ea8c9028e596adc121ee19731f36946d5c1f59d2e28f0874194345.exe 83 PID 3876 wrote to memory of 1220 3876 da6fc91374ea8c9028e596adc121ee19731f36946d5c1f59d2e28f0874194345.exe 83 PID 3876 wrote to memory of 1220 3876 da6fc91374ea8c9028e596adc121ee19731f36946d5c1f59d2e28f0874194345.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\da6fc91374ea8c9028e596adc121ee19731f36946d5c1f59d2e28f0874194345.exe"C:\Users\Admin\AppData\Local\Temp\da6fc91374ea8c9028e596adc121ee19731f36946d5c1f59d2e28f0874194345.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3876 -
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:1220
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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
312B
MD5e5c2364375c0a8a786a9508a840b6299
SHA1bec1874db0d2348274b6656d1383e262f73e2bc6
SHA25651b67ae1066eb179562cf80a8a156bbd4b139b83072f610bf62c0b6d58ed17f3
SHA512ee19a8fa40bc7e991ac289eb30ceec8264d6071f124e99791022961c99f25b97def4f13fa96149eb52786d1104d85d20410e65a333304c0df6ba858472a557d3
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Filesize
312B
MD5c15952329e9cd008b41f979b6c76b9a2
SHA153c58cc742b5a0273df8d01ba2779a979c1ff967
SHA2565d065a88f9a1fb565c2d70e87148d469dd9dcbbefea4ccc8c181745eda748ab7
SHA5126aecdd949abcd2cb54e2fe3e1171ee47c247aa3980a0847b9934f506ef9b2d3180831adf6554c68b0621f9f9f3cd88767ef9487bc6e51cecd6a8857099a7b296
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Filesize
29KB
MD56bb5950783da173403456024d42c9b6a
SHA1a809eb9881c646dde7f66eda178f23ab183f6c46
SHA2568f5f4c39cd4e9d093bff8564f7ddb0c99936362c45c624a02844d0e4f062dcfa
SHA5129a05ca9098f16aeab4b58dc7855a0c4656bd2ccd36b96ff8dd70c3cc5e3782ae1c62402c4d8211ec35e0665d870364271edf13c4a2b0f0371bc7904262e0795c
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Filesize
320B
MD5efa332f16828ed4f83f44040c79858de
SHA11c7044e7a95ba26358ee53d4579ceebc8c68b587
SHA25697248fda76b19d85dbb6da9fed30834efdd2b5394c3551a7343d677119ff4835
SHA5125b20a1b71b71f8587f66fb28ce3524d7174f384b9a19101188d7a3fbdb76dd185cbaee4218c52294bf13891adb98739ee2fb5f597bef712ec1abf3692041bbb6
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Filesize
320B
MD5ec11f6c0b924c3910574a3e6bc53ad07
SHA173733560e1f1ecf2e48f9bed254cd9606f47b305
SHA256744ecb5c02f74ef8dab179614d74404fa003b5614ffe039b3a008a38bc56ffc1
SHA512375fe7b1c0a06cdfb8986a4bba076bb2c6c08914436a9aea98b52dca836282ea1fdcedff5c4790fdee420c3c3a54ded97c285672be901655f593aab772c28867
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2