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Analysis
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max time kernel
150s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
03/01/2025, 00:51
Behavioral task
behavioral1
Sample
81eeea10101289ceb641845aab171bcb0debec8935b32354408e98b1c2a9f9b6.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
81eeea10101289ceb641845aab171bcb0debec8935b32354408e98b1c2a9f9b6.exe
Resource
win10v2004-20241007-en
General
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Target
81eeea10101289ceb641845aab171bcb0debec8935b32354408e98b1c2a9f9b6.exe
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Size
29KB
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MD5
c513405c54a42459e19f0f875f3943ae
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SHA1
dd3ff5fe682a12b4544d9355707cbac137537905
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SHA256
81eeea10101289ceb641845aab171bcb0debec8935b32354408e98b1c2a9f9b6
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SHA512
c4dc689e5486a50acfe7dc995dd140ca6451e3fe9073c99a97a3d9e046667345c861fcdf36b6991cf44e02dc534528053c0901646569a8fbd768f1a0fc21e4a7
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/Ohp:AEwVs+0jNDY1qi/qGT
Malware Config
Signatures
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Detects MyDoom family 5 IoCs
resource yara_rule behavioral2/memory/2168-13-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/2168-56-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/2168-61-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/2168-146-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/2168-171-0x0000000000500000-0x0000000000510200-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" 81eeea10101289ceb641845aab171bcb0debec8935b32354408e98b1c2a9f9b6.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral2/memory/2168-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/files/0x0009000000023cab-4.dat upx behavioral2/memory/2320-6-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2168-13-0x0000000000500000-0x0000000000510200-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/2320-40-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2320-45-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2320-50-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2320-52-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2168-56-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2320-57-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2168-61-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2320-62-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x0003000000000705-67.dat upx behavioral2/memory/2168-146-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2320-153-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2168-171-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2320-172-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe 81eeea10101289ceb641845aab171bcb0debec8935b32354408e98b1c2a9f9b6.exe File opened for modification C:\Windows\java.exe 81eeea10101289ceb641845aab171bcb0debec8935b32354408e98b1c2a9f9b6.exe File created C:\Windows\java.exe 81eeea10101289ceb641845aab171bcb0debec8935b32354408e98b1c2a9f9b6.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 81eeea10101289ceb641845aab171bcb0debec8935b32354408e98b1c2a9f9b6.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2168 wrote to memory of 2320 2168 81eeea10101289ceb641845aab171bcb0debec8935b32354408e98b1c2a9f9b6.exe 82 PID 2168 wrote to memory of 2320 2168 81eeea10101289ceb641845aab171bcb0debec8935b32354408e98b1c2a9f9b6.exe 82 PID 2168 wrote to memory of 2320 2168 81eeea10101289ceb641845aab171bcb0debec8935b32354408e98b1c2a9f9b6.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\81eeea10101289ceb641845aab171bcb0debec8935b32354408e98b1c2a9f9b6.exe"C:\Users\Admin\AppData\Local\Temp\81eeea10101289ceb641845aab171bcb0debec8935b32354408e98b1c2a9f9b6.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2168 -
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
MD55d89c598b16202dddc01c3bcd639389d
SHA18f4faae670b06e5c953e89c222b6b5b1f5a7ee4b
SHA256219c561d8a7ae1708def0ba6ad6886e9b21cda8d4c428bcdd4f9c0a3abee59a9
SHA51257e138295ef3942d046cf8c42e4a89aacddd25522cbcd7a10415e80b4e916f6f94e716507c04210774c119dd1a100ab7fb6d4feb75e3fec7dedd872bb55de4f6
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Filesize
320B
MD519526237724dc67604fe371ddd9a9454
SHA1093a277edf601a48f934e90a7983b6a880c74400
SHA256376c0d2bf1d0119d49fa69f7c42f31780b5088984fc75633c7b32dfc04a683a2
SHA51295d8ab05c1c7eaabdddd5160dcc6af18f06d7dc5f97d818386d451b6c503754bcfb7a99a4bf8af2ff1c6c36fccb4a9f633b62227e906109f5180d76337a4b38e
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2