Analysis
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max time kernel
120s -
max time network
119s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
08-01-2025 01:35
Behavioral task
behavioral1
Sample
7be66a17df543a9a51673ede0faaffeba3ab2ec9f74e159559f6a74ef49f659e.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
7be66a17df543a9a51673ede0faaffeba3ab2ec9f74e159559f6a74ef49f659e.exe
Resource
win10v2004-20241007-en
General
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Target
7be66a17df543a9a51673ede0faaffeba3ab2ec9f74e159559f6a74ef49f659e.exe
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Size
28KB
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MD5
2adfa708fe6039f6453b69c51f644c01
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SHA1
d6841f086649757fb4b92438099486797111ea2f
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SHA256
7be66a17df543a9a51673ede0faaffeba3ab2ec9f74e159559f6a74ef49f659e
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SHA512
47e8973c7e272bafb8b26a5930474675494d088edb71891379374d746cdd720cf5c26633f045046fb7642e63c892138cc58854b360a318c3d8afb2c980ccb5cc
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SSDEEP
384:1vxBbK26lj5Id8SpHx9jLhsznnVxA1WmP5w7GGCJlqqwMyNQK:Dv8IRRdsxq1DjJcqfa
Malware Config
Signatures
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Detects MyDoom family 5 IoCs
resource yara_rule behavioral2/memory/3852-13-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral2/memory/3852-44-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral2/memory/3852-129-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral2/memory/3852-164-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral2/memory/3852-168-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 2292 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" 7be66a17df543a9a51673ede0faaffeba3ab2ec9f74e159559f6a74ef49f659e.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral2/memory/3852-0-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral2/files/0x000a000000023b5f-4.dat upx behavioral2/memory/2292-5-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3852-13-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral2/memory/2292-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2292-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2292-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2292-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2292-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2292-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2292-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2292-40-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3852-44-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral2/memory/2292-45-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x0004000000011940-50.dat upx behavioral2/memory/3852-129-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral2/memory/2292-130-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3852-164-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral2/memory/2292-165-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3852-168-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral2/memory/2292-169-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File opened for modification C:\Windows\java.exe 7be66a17df543a9a51673ede0faaffeba3ab2ec9f74e159559f6a74ef49f659e.exe File created C:\Windows\java.exe 7be66a17df543a9a51673ede0faaffeba3ab2ec9f74e159559f6a74ef49f659e.exe File created C:\Windows\services.exe 7be66a17df543a9a51673ede0faaffeba3ab2ec9f74e159559f6a74ef49f659e.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 7be66a17df543a9a51673ede0faaffeba3ab2ec9f74e159559f6a74ef49f659e.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3852 wrote to memory of 2292 3852 7be66a17df543a9a51673ede0faaffeba3ab2ec9f74e159559f6a74ef49f659e.exe 82 PID 3852 wrote to memory of 2292 3852 7be66a17df543a9a51673ede0faaffeba3ab2ec9f74e159559f6a74ef49f659e.exe 82 PID 3852 wrote to memory of 2292 3852 7be66a17df543a9a51673ede0faaffeba3ab2ec9f74e159559f6a74ef49f659e.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\7be66a17df543a9a51673ede0faaffeba3ab2ec9f74e159559f6a74ef49f659e.exe"C:\Users\Admin\AppData\Local\Temp\7be66a17df543a9a51673ede0faaffeba3ab2ec9f74e159559f6a74ef49f659e.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3852 -
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:2292
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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
28KB
MD5a9d9afd130e52dd8236468ff8f494dd8
SHA1da9d33a45ed76ab650d036fe5417a4ae132e7f84
SHA256864bb66b1b2be8c650fdb6e985c4c5fae54c9560ff70ecd9581e1cb777590820
SHA512ebbc89399f75acfcf39aed2f993b0e764ff6610d6f9a3a7a46dd912f3599281e744ed8314ef9401dbd73d9285d5c258c6d0bd3bb3a7641154d8ba85861100b7e
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Filesize
1KB
MD5e1c568df50d90ff0f361674c7ccea724
SHA1d38a080bc27f5ccbbf08f56a302d4b2fff08287a
SHA25657e009d6c0124ba5e40449315d281f6975c275070d9ecd2d2af147531ba6147b
SHA512b189fb0e8837ad19387d0cb2b4c886327113f86c53bd291f256cdc2f690fa70cf92b613e0c16ed5f65b2f3a21fa90eccb8f22ef79667335090d817c3d74ea6c8
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Filesize
1KB
MD52b9c02b7de8e2ca5d051afaafaf6078a
SHA1f1dc2894387e47a96abfd2a234dba6d2f57873fc
SHA2567aa196c49066652e33f2679b84f8269059172d0c46002fd895da33b03b2c39db
SHA512a78bc94339e170e166a0da48bfe0de3c19a053538d2042679db8e59e383f974d0e311ee7f93ee6815a3820a7925f185327017285bafd9cec0ef15855bf1feb91
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2