Analysis
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max time kernel
120s -
max time network
123s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
11-01-2025 02:56
Behavioral task
behavioral1
Sample
5638f3c065e25e0712cb4ffa2b564171e6de6e1eef1fe2b34bc0aaa9e8795252N.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
5638f3c065e25e0712cb4ffa2b564171e6de6e1eef1fe2b34bc0aaa9e8795252N.exe
Resource
win10v2004-20241007-en
General
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Target
5638f3c065e25e0712cb4ffa2b564171e6de6e1eef1fe2b34bc0aaa9e8795252N.exe
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Size
29KB
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MD5
a61be5063385d22c68c48eca13242b30
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SHA1
e686a6befd12191b9afd75047708f2d625667b00
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SHA256
5638f3c065e25e0712cb4ffa2b564171e6de6e1eef1fe2b34bc0aaa9e8795252
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SHA512
744e156ef1f1020f81c1853a2c98af05ab3795f829b1c4ba928d80238217b0efe117e5e81c452a6aaea5c003736a3169f7b84bd624ab333b063f027e3041c8f4
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/J:AEwVs+0jNDY1qi/qh
Malware Config
Signatures
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Detects MyDoom family 7 IoCs
resource yara_rule behavioral2/memory/2740-13-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/2740-32-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/2740-37-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/2740-139-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/2740-164-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/2740-171-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/2740-199-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 3828 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" 5638f3c065e25e0712cb4ffa2b564171e6de6e1eef1fe2b34bc0aaa9e8795252N.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral2/memory/2740-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/files/0x0007000000023c9b-4.dat upx behavioral2/memory/3828-6-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2740-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/3828-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3828-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3828-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3828-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3828-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2740-32-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/3828-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2740-37-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/3828-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x000d000000021a70-51.dat upx behavioral2/memory/2740-139-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/3828-140-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2740-164-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/3828-165-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3828-170-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2740-171-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/3828-172-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2740-199-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/3828-206-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe 5638f3c065e25e0712cb4ffa2b564171e6de6e1eef1fe2b34bc0aaa9e8795252N.exe File opened for modification C:\Windows\java.exe 5638f3c065e25e0712cb4ffa2b564171e6de6e1eef1fe2b34bc0aaa9e8795252N.exe File created C:\Windows\java.exe 5638f3c065e25e0712cb4ffa2b564171e6de6e1eef1fe2b34bc0aaa9e8795252N.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 5638f3c065e25e0712cb4ffa2b564171e6de6e1eef1fe2b34bc0aaa9e8795252N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2740 wrote to memory of 3828 2740 5638f3c065e25e0712cb4ffa2b564171e6de6e1eef1fe2b34bc0aaa9e8795252N.exe 83 PID 2740 wrote to memory of 3828 2740 5638f3c065e25e0712cb4ffa2b564171e6de6e1eef1fe2b34bc0aaa9e8795252N.exe 83 PID 2740 wrote to memory of 3828 2740 5638f3c065e25e0712cb4ffa2b564171e6de6e1eef1fe2b34bc0aaa9e8795252N.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\5638f3c065e25e0712cb4ffa2b564171e6de6e1eef1fe2b34bc0aaa9e8795252N.exe"C:\Users\Admin\AppData\Local\Temp\5638f3c065e25e0712cb4ffa2b564171e6de6e1eef1fe2b34bc0aaa9e8795252N.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2740 -
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:3828
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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
25B
MD58ba61a16b71609a08bfa35bc213fce49
SHA18374dddcc6b2ede14b0ea00a5870a11b57ced33f
SHA2566aa63394c1f5e705b1e89c55ff19eed71957e735c3831a845ff62f74824e13f1
SHA5125855f5b2a78877f7a27ff92eaaa900d81d02486e6e2ea81d80b6f6cf1fe254350444980017e00cdeecdd3c67b86e7acc90cd2d77f06210bdd1d7b1a71d262df1
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Filesize
29KB
MD525484302e9a6abe4f9a380c8b724b712
SHA1fa9ef8fa130f749d6a85658975b255e22e34e256
SHA256eef72569c382e7fc810d8e8d242a3345d60f7ca03ed91282d6ae33bf590ddfd9
SHA51262e79c3b0b10211919200c7c106ae708b4073ba2f6436af9d70e87fb24272031c6f4de6eb962c740ff8d7146edd005ca2767e0dbee7e24a4da288643ee52247c
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Filesize
320B
MD5fb9ce30081e2ce5d0e2f38934d09e4cc
SHA196adb437e9b63713f68bb3d878dc1015058e7f41
SHA25613bf146c3b111b2d064f5174ae1ca461f88de625070b53ea48c7735803096a02
SHA5125421dafe964bc1e1e806928b8d03a24e7d596f5438b4ffd98d8c72c31131a2b42b9cdaa20df4f399c376a646300480eae3f48abb0e76f862aaa6e72c7428fddc
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Filesize
320B
MD5d07009072b3fcf6ed3950b0ffc101343
SHA1d68d4a17217a7f82664f9373b3f20510d2fca22e
SHA25678be4e1a9560909273be0417db814ff3a084bb74e03ad59acc28566b3d3376e8
SHA51290fe23894de59c688617edcd4ffd5f3c1a67bebbd16056c30bfebba214d29ada617fe1f2f0c3faf1100dcf9bc2201d2d7925da94624a574bf007589d6c7874c5
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2