Analysis
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max time kernel
120s -
max time network
120s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
12-01-2025 07:35
Behavioral task
behavioral1
Sample
f61a30649e59a27a985bfa561c0d681a97bd04c6bac2079571d39067227fe4beN.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
f61a30649e59a27a985bfa561c0d681a97bd04c6bac2079571d39067227fe4beN.exe
Resource
win10v2004-20241007-en
General
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Target
f61a30649e59a27a985bfa561c0d681a97bd04c6bac2079571d39067227fe4beN.exe
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Size
29KB
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MD5
29c81dafb438875ee6c7aa8e178ea160
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SHA1
bf72c79416e4c2aee52d932f161c6ab156ecbc2c
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SHA256
f61a30649e59a27a985bfa561c0d681a97bd04c6bac2079571d39067227fe4be
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SHA512
fc6f0e889a3743c3f48aa1c661dd6a0ecb36422d5d04cc8e9865605da70f423e5bb3bc12b990604d61f8a8f0e84ace3cff8138225f30c48636ac8bc5362dd6e6
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/v:AEwVs+0jNDY1qi/qn
Malware Config
Signatures
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Detects MyDoom family 7 IoCs
resource yara_rule behavioral2/memory/4296-13-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4296-32-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4296-37-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4296-138-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4296-165-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4296-172-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4296-191-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 2420 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" f61a30649e59a27a985bfa561c0d681a97bd04c6bac2079571d39067227fe4beN.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral2/memory/4296-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/files/0x000a000000023b7b-4.dat upx behavioral2/memory/2420-6-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4296-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2420-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2420-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2420-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2420-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2420-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4296-32-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2420-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4296-37-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2420-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x0003000000022187-48.dat upx behavioral2/memory/4296-138-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2420-139-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4296-165-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2420-166-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2420-171-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4296-172-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2420-173-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4296-191-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2420-196-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe f61a30649e59a27a985bfa561c0d681a97bd04c6bac2079571d39067227fe4beN.exe File opened for modification C:\Windows\java.exe f61a30649e59a27a985bfa561c0d681a97bd04c6bac2079571d39067227fe4beN.exe File created C:\Windows\java.exe f61a30649e59a27a985bfa561c0d681a97bd04c6bac2079571d39067227fe4beN.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 f61a30649e59a27a985bfa561c0d681a97bd04c6bac2079571d39067227fe4beN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4296 wrote to memory of 2420 4296 f61a30649e59a27a985bfa561c0d681a97bd04c6bac2079571d39067227fe4beN.exe 83 PID 4296 wrote to memory of 2420 4296 f61a30649e59a27a985bfa561c0d681a97bd04c6bac2079571d39067227fe4beN.exe 83 PID 4296 wrote to memory of 2420 4296 f61a30649e59a27a985bfa561c0d681a97bd04c6bac2079571d39067227fe4beN.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\f61a30649e59a27a985bfa561c0d681a97bd04c6bac2079571d39067227fe4beN.exe"C:\Users\Admin\AppData\Local\Temp\f61a30649e59a27a985bfa561c0d681a97bd04c6bac2079571d39067227fe4beN.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4296 -
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:2420
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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
MD54aaebc899cacc5c568103de1d67cc938
SHA150b8b798242d02f2d27b312fa6f2fc06aac391d6
SHA2560b951b814674cf96191d2e31aba4d4295d6f96d66f215e0cb2f86370d28f0a9a
SHA51236031c0c663ef9e62b4a15efd518760f86deb1674ed8a442e03ac93420d01117b8e1958bd9b0e78444afd4472cda6c79c74d19ce3ea4dafef3f624296ba51c64
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Filesize
384B
MD5930da1d344f806ad6da0a7598547e81c
SHA13a4ead588eb3127a49e1a57b0ccc4e92b63e5370
SHA2565be639c8a76e1ac8763772aec6ac88aee4368f72a01b4fa7b6e3c804df077727
SHA512d2cffb2d929b9b9daab3b0d0594dd73c21179cd63d25eb9e05fea205c99a49f0611d6f713173acbd6a7e365af66c96d7340f6f190a8aadac4eae66b8735c2ec7
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Filesize
384B
MD54e764a73668c124b42f4d6d614ffa6ef
SHA169a637e61243542201a3ae374af1d46b03080a21
SHA256bbb92dfb12f9ddc7744fe018ce1cc8c50b88a9e87d33c833c802c6ae1cfc7fec
SHA512d7990a2485a54035d362e87f69159d497599ab7c1a89de104f9758ac38cafebe7caedb549fd00d2d8d155471e9117c75e2bdc42f56b7c17608662bd89aa9e61b
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2