Analysis
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max time kernel
120s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system -
submitted
08-12-2024 01:13
Behavioral task
behavioral1
Sample
5a3678f4bb8b33beb4ad2dfec3f13851551c016591047be58ee3db00ca39de4bN.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
5a3678f4bb8b33beb4ad2dfec3f13851551c016591047be58ee3db00ca39de4bN.exe
Resource
win10v2004-20241007-en
General
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Target
5a3678f4bb8b33beb4ad2dfec3f13851551c016591047be58ee3db00ca39de4bN.exe
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Size
29KB
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MD5
c2018a4b46a516cee67989857a0001d0
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SHA1
b52d822e5475e40c6f1f08672803e5801bfb0fe4
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SHA256
5a3678f4bb8b33beb4ad2dfec3f13851551c016591047be58ee3db00ca39de4b
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SHA512
08d2de4ffba1169fb07157d157c622a52842c2fe51a6c10c3ff941f6702368427845a6f87340e552b552073de167c0670f4b994fd4999c06fb4c85010c8fcb55
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/H:AEwVs+0jNDY1qi/q/
Malware Config
Signatures
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Detects MyDoom family 3 IoCs
resource yara_rule behavioral1/memory/2716-17-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2716-57-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2716-62-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 2788 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\Services = "C:\\Windows\\services.exe" services.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\JavaVM = "C:\\Windows\\java.exe" 5a3678f4bb8b33beb4ad2dfec3f13851551c016591047be58ee3db00ca39de4bN.exe -
resource yara_rule behavioral1/memory/2716-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/files/0x000700000001956c-7.dat upx behavioral1/memory/2788-11-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2716-17-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2716-18-0x0000000000220000-0x0000000000228000-memory.dmp upx behavioral1/memory/2788-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2788-22-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2788-27-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2788-32-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2788-34-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2788-39-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2788-44-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2788-46-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2788-51-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2788-56-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2788-58-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2716-57-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2788-63-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2716-62-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/files/0x00340000000194e9-76.dat upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe 5a3678f4bb8b33beb4ad2dfec3f13851551c016591047be58ee3db00ca39de4bN.exe File opened for modification C:\Windows\java.exe 5a3678f4bb8b33beb4ad2dfec3f13851551c016591047be58ee3db00ca39de4bN.exe File created C:\Windows\java.exe 5a3678f4bb8b33beb4ad2dfec3f13851551c016591047be58ee3db00ca39de4bN.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 5a3678f4bb8b33beb4ad2dfec3f13851551c016591047be58ee3db00ca39de4bN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2716 wrote to memory of 2788 2716 5a3678f4bb8b33beb4ad2dfec3f13851551c016591047be58ee3db00ca39de4bN.exe 30 PID 2716 wrote to memory of 2788 2716 5a3678f4bb8b33beb4ad2dfec3f13851551c016591047be58ee3db00ca39de4bN.exe 30 PID 2716 wrote to memory of 2788 2716 5a3678f4bb8b33beb4ad2dfec3f13851551c016591047be58ee3db00ca39de4bN.exe 30 PID 2716 wrote to memory of 2788 2716 5a3678f4bb8b33beb4ad2dfec3f13851551c016591047be58ee3db00ca39de4bN.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\5a3678f4bb8b33beb4ad2dfec3f13851551c016591047be58ee3db00ca39de4bN.exe"C:\Users\Admin\AppData\Local\Temp\5a3678f4bb8b33beb4ad2dfec3f13851551c016591047be58ee3db00ca39de4bN.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2716 -
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:2788
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
29KB
MD50454bf09426ff4aee98aef994fca5c32
SHA113438cbf92aaa4c140ece4bf732ba68d9b284300
SHA256ff537c714c1c857292ad1f04f354213626fc801eca7c758404ed490d235c75c5
SHA5126a79784e76672369d8c073a16165b2a2e40da3dedf31bd8df04b856d127c3413221c85fbf07da8214e4fa9841c8d483773cfdca02b457461bcbf7d5d16023829
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Filesize
352B
MD5d8a672671375956ed7f386a7ea8f25ce
SHA14cc2d79b80afae12798f0c009022acf555c417e6
SHA2566418f49173191565217a793b1a0c36aa018e1308196778052ffe3bc7ee235bfb
SHA512ebfbbde71475bd82009998cfa67204bfa2e41953ab809edae933f499b80568f38a9549b6de1abb3008fdd981b7dbdee0f38dcbd0d1dd7df2aafc2a0a803c8060
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2