Analysis
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max time kernel
120s -
max time network
126s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
23-11-2024 21:20
Behavioral task
behavioral1
Sample
479bc1c835c8ab301988e355a5c52d076fb5322cf97cc2436121c275bc6ac1f2N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
479bc1c835c8ab301988e355a5c52d076fb5322cf97cc2436121c275bc6ac1f2N.exe
Resource
win10v2004-20241007-en
General
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Target
479bc1c835c8ab301988e355a5c52d076fb5322cf97cc2436121c275bc6ac1f2N.exe
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Size
29KB
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MD5
10ff723452741516d606ec2db81f43e0
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SHA1
3f88fb2bbc63dbd63b35dcb8b024bcea98d15b9b
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SHA256
479bc1c835c8ab301988e355a5c52d076fb5322cf97cc2436121c275bc6ac1f2
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SHA512
f51adb428af930f021a9a05ed5e15bc612e2fa9c588e4d405ba943b51ff8d7a306b5ceb21feb75f95a7643fcc3415cd42b0894a3f9ddcc8296d41ef87eaeddaa
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/F:AEwVs+0jNDY1qi/qd
Malware Config
Signatures
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Detects MyDoom family 3 IoCs
resource yara_rule behavioral2/memory/4216-13-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4216-51-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4216-56-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 4360 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" 479bc1c835c8ab301988e355a5c52d076fb5322cf97cc2436121c275bc6ac1f2N.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral2/memory/4216-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/files/0x000d000000023a68-6.dat upx behavioral2/memory/4360-7-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4216-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4360-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4360-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4360-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4360-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4360-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4360-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4360-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4360-40-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4360-45-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4360-50-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4216-51-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4360-52-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4216-56-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4360-57-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x0004000000000707-67.dat upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe 479bc1c835c8ab301988e355a5c52d076fb5322cf97cc2436121c275bc6ac1f2N.exe File opened for modification C:\Windows\java.exe 479bc1c835c8ab301988e355a5c52d076fb5322cf97cc2436121c275bc6ac1f2N.exe File created C:\Windows\java.exe 479bc1c835c8ab301988e355a5c52d076fb5322cf97cc2436121c275bc6ac1f2N.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 479bc1c835c8ab301988e355a5c52d076fb5322cf97cc2436121c275bc6ac1f2N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4216 wrote to memory of 4360 4216 479bc1c835c8ab301988e355a5c52d076fb5322cf97cc2436121c275bc6ac1f2N.exe 84 PID 4216 wrote to memory of 4360 4216 479bc1c835c8ab301988e355a5c52d076fb5322cf97cc2436121c275bc6ac1f2N.exe 84 PID 4216 wrote to memory of 4360 4216 479bc1c835c8ab301988e355a5c52d076fb5322cf97cc2436121c275bc6ac1f2N.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\479bc1c835c8ab301988e355a5c52d076fb5322cf97cc2436121c275bc6ac1f2N.exe"C:\Users\Admin\AppData\Local\Temp\479bc1c835c8ab301988e355a5c52d076fb5322cf97cc2436121c275bc6ac1f2N.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4216 -
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:4360
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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
MD51872d45c67b5d1fb3916e43ef2f6f252
SHA1dc2f39febdd885d0514e507fa5f8750b26b46f5e
SHA256a5be32265c54feead1b50b67e68eadf0d1e6ddcd72e577b24158fbf68c9658be
SHA51242c0fd9bf9dc60498b0b1364591d4b1ea369c9d57716e6a19a2626b5e142a59065181cad21fd923aaa8bf6f992d8a953b1ec28af28cc328859cb4e0c2e36bd2e
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Filesize
320B
MD5dd3e2ce166e05e63a91347ae39988965
SHA104ecec86a9291259a87d401d4bb79128982bb101
SHA256d7f1cd9982336a4b75415b845fbaa45dda0f1e6cc1ffaaa5313ee9a5b4f41369
SHA51264dbe75df88de4d181607ffde75e7e33756078dbd01067bf29521c76776dfba95e850e74fe3480aa1e72dcfce71eeabbd0346b752bc4ac623bb4968bd747fae0
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2