Analysis
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max time kernel
120s -
max time network
121s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
18-11-2024 01:50
Behavioral task
behavioral1
Sample
bf1c0612eb3f85af93479b0af2c4cc3b29ab403d552acec976219757ac8d5765N.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
bf1c0612eb3f85af93479b0af2c4cc3b29ab403d552acec976219757ac8d5765N.exe
Resource
win10v2004-20241007-en
General
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Target
bf1c0612eb3f85af93479b0af2c4cc3b29ab403d552acec976219757ac8d5765N.exe
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Size
29KB
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MD5
706b0cfe58b9d1e1b7ac2d635cd88220
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SHA1
3b5ef7daf268b7590046b17b0908d72520811b52
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SHA256
bf1c0612eb3f85af93479b0af2c4cc3b29ab403d552acec976219757ac8d5765
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SHA512
e031d433711ca4b55ef9df7607379d9e050b5a079692bf768c39d879ddcc5c33a7d92193a22043ed758d09c50927defbb709f164a06d6f398d52e6328ee5645d
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/d3d:AEwVs+0jNDY1qi/q3
Malware Config
Signatures
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Detects MyDoom family 5 IoCs
resource yara_rule behavioral2/memory/1472-13-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/1472-39-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/1472-44-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/1472-134-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/1472-168-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 2320 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" bf1c0612eb3f85af93479b0af2c4cc3b29ab403d552acec976219757ac8d5765N.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral2/memory/1472-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/files/0x000a000000023b7a-4.dat upx behavioral2/memory/2320-6-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1472-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2320-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2320-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2320-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2320-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2320-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2320-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2320-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1472-39-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2320-40-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1472-44-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2320-45-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x0002000000021ea9-50.dat upx behavioral2/memory/1472-134-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2320-135-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1472-168-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2320-169-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2320-173-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe bf1c0612eb3f85af93479b0af2c4cc3b29ab403d552acec976219757ac8d5765N.exe File opened for modification C:\Windows\java.exe bf1c0612eb3f85af93479b0af2c4cc3b29ab403d552acec976219757ac8d5765N.exe File created C:\Windows\java.exe bf1c0612eb3f85af93479b0af2c4cc3b29ab403d552acec976219757ac8d5765N.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 bf1c0612eb3f85af93479b0af2c4cc3b29ab403d552acec976219757ac8d5765N.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1472 wrote to memory of 2320 1472 bf1c0612eb3f85af93479b0af2c4cc3b29ab403d552acec976219757ac8d5765N.exe 83 PID 1472 wrote to memory of 2320 1472 bf1c0612eb3f85af93479b0af2c4cc3b29ab403d552acec976219757ac8d5765N.exe 83 PID 1472 wrote to memory of 2320 1472 bf1c0612eb3f85af93479b0af2c4cc3b29ab403d552acec976219757ac8d5765N.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\bf1c0612eb3f85af93479b0af2c4cc3b29ab403d552acec976219757ac8d5765N.exe"C:\Users\Admin\AppData\Local\Temp\bf1c0612eb3f85af93479b0af2c4cc3b29ab403d552acec976219757ac8d5765N.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1472 -
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:2320
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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
MD5477e7def2a792935d2b8a06f64ca9d58
SHA12670ad3ba701c8b3ebfa0c9ebbc02b877083adf8
SHA2567df6b212613f1d5b9a4da37277f7d5d7956ef8e332972f43e28a2c1bd9055782
SHA51237a483d5b7e67bb36841e9e69873e52ea4f7988fcf72a09dedb813678e19011c2c45fd8ea265dcf578b43e840566bd3cf475d027275c5e3734626849628f72fb
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Filesize
352B
MD52891dea396513fcd8a0f725eab76ab32
SHA1f5d7f7d995fe2cac2d49a4743b5f71b1506770a7
SHA256e07eea28f012dd7570af2d883d91a42c02a5b93e745883c16ab41389327341c3
SHA5128a134ff39ae9fa3b266600874f8e5ca18c09755761cac15a7ec0bb2fec582d71cd3cc09456c88c5af91b8d4e4b7cf5c760cd1a2f342bbb6d29ce7328bd690413
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Filesize
352B
MD582c133e88e3bdabd46f573f5c694feca
SHA1c98762a02d23d63e3c21b78560fd85541dc4a7a8
SHA256029428cabb355aa56461a034038d696b0b9c66aacf8b312c1cc85718a2a80137
SHA5129250de4d4930292ca66167076f019b27631fcb6237382a7cd8970cd73fc2b86146efc4dba1ca0cc378768a9e1233cdddc736c0e73b4a496093df45fdfedee96f
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2