Analysis
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max time kernel
120s -
max time network
115s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
26-12-2024 01:18
Behavioral task
behavioral1
Sample
725d0d89812cbca7aad1ebf408eab45ec390a536cc0a9fec21e2070722ae2f27N.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
725d0d89812cbca7aad1ebf408eab45ec390a536cc0a9fec21e2070722ae2f27N.exe
Resource
win10v2004-20241007-en
General
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Target
725d0d89812cbca7aad1ebf408eab45ec390a536cc0a9fec21e2070722ae2f27N.exe
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Size
29KB
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MD5
4bbdbbede252cb8159b8a0ea98def1c0
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SHA1
5ffff162782e1ea474dd319e7b77214676b2a92e
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SHA256
725d0d89812cbca7aad1ebf408eab45ec390a536cc0a9fec21e2070722ae2f27
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SHA512
bd024419c158c34668f87e6a6a6f3da6ad603a01a128176fd77614447bf55790fc9ffaae14718ccd88e96522ba11d98cfddd2330cb3a41e152451d16002680a2
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/x:AEwVs+0jNDY1qi/qZ
Malware Config
Signatures
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Detects MyDoom family 4 IoCs
resource yara_rule behavioral1/memory/2204-17-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2204-55-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2204-57-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2204-78-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 316 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" 725d0d89812cbca7aad1ebf408eab45ec390a536cc0a9fec21e2070722ae2f27N.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral1/memory/2204-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/files/0x0008000000016cc4-8.dat upx behavioral1/memory/316-11-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2204-17-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/316-20-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2204-18-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/316-22-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/316-27-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/316-32-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/316-34-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/316-39-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/316-44-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/316-46-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/316-51-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2204-55-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/316-56-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/316-58-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2204-57-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/files/0x0005000000004ed7-68.dat upx behavioral1/memory/2204-78-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/316-79-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe 725d0d89812cbca7aad1ebf408eab45ec390a536cc0a9fec21e2070722ae2f27N.exe File opened for modification C:\Windows\java.exe 725d0d89812cbca7aad1ebf408eab45ec390a536cc0a9fec21e2070722ae2f27N.exe File created C:\Windows\java.exe 725d0d89812cbca7aad1ebf408eab45ec390a536cc0a9fec21e2070722ae2f27N.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 725d0d89812cbca7aad1ebf408eab45ec390a536cc0a9fec21e2070722ae2f27N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2204 wrote to memory of 316 2204 725d0d89812cbca7aad1ebf408eab45ec390a536cc0a9fec21e2070722ae2f27N.exe 30 PID 2204 wrote to memory of 316 2204 725d0d89812cbca7aad1ebf408eab45ec390a536cc0a9fec21e2070722ae2f27N.exe 30 PID 2204 wrote to memory of 316 2204 725d0d89812cbca7aad1ebf408eab45ec390a536cc0a9fec21e2070722ae2f27N.exe 30 PID 2204 wrote to memory of 316 2204 725d0d89812cbca7aad1ebf408eab45ec390a536cc0a9fec21e2070722ae2f27N.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\725d0d89812cbca7aad1ebf408eab45ec390a536cc0a9fec21e2070722ae2f27N.exe"C:\Users\Admin\AppData\Local\Temp\725d0d89812cbca7aad1ebf408eab45ec390a536cc0a9fec21e2070722ae2f27N.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2204 -
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:316
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
29KB
MD509fd448ddf8726673d427a1f418e7d5a
SHA148101db7043dadcc1deaa8b2b2d9d121a039e835
SHA25653c0a3516c72ed85b5b122d9165e3ed03fe3309d0bbbfd83d4251400fbfc9dd3
SHA51240e633a4a46c2f57bd085b0ab5b72a567d14ecf0875dee4091f9b845f10dc3638ce4f2b86e1a3dadeb15a2eebcf70bdb1862d33adfdeddb8a66419ad817772af
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Filesize
320B
MD59d46271dc8a21b4dede307164e9fbc6e
SHA17d398b456d8125c48da53dd5f4e64f5a8be64cc2
SHA256b7a2af951935e7540c322088ea7f6563c5b49eaff4000f0b1256262b7d2631bb
SHA512286524b21407eb22ed10df159aaee64353d52ee6680465c2176291fa6aea0cd51053781b1789638e8a0dbcad6ab4765fc4abc623f80eacf77e6894bf1b3e0c06
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2