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Analysis
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max time kernel
120s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
28/09/2024, 17:55
Behavioral task
behavioral1
Sample
ac5278419ef54a5727d896f6d7fa9baa1c06f87523457d3547dc1e7b41e2287aN.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
ac5278419ef54a5727d896f6d7fa9baa1c06f87523457d3547dc1e7b41e2287aN.exe
Resource
win10v2004-20240802-en
General
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Target
ac5278419ef54a5727d896f6d7fa9baa1c06f87523457d3547dc1e7b41e2287aN.exe
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Size
29KB
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MD5
020f4f72bfca215ff0ea3e709f7f59c0
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SHA1
b0739520cc6da2b2bfaa4135212d428cbcdac7ad
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SHA256
ac5278419ef54a5727d896f6d7fa9baa1c06f87523457d3547dc1e7b41e2287a
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SHA512
818d38af19a3a1c96b5a2e873acb955a1a918319287c41875e4880b3aa0238e6232dc37c21509286dcff63f69e3fe556cc523054107dedaec0b82c535fda3cf0
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/6c:AEwVs+0jNDY1qi/qP
Malware Config
Signatures
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Detects MyDoom family 6 IoCs
resource yara_rule behavioral1/memory/1072-16-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1072-43-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1072-48-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1072-69-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1072-71-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1072-76-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Executes dropped EXE 1 IoCs
pid Process 2008 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" ac5278419ef54a5727d896f6d7fa9baa1c06f87523457d3547dc1e7b41e2287aN.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral1/memory/1072-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/files/0x00080000000160da-7.dat upx behavioral1/memory/1072-4-0x0000000000220000-0x0000000000228000-memory.dmp upx behavioral1/memory/1072-16-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2008-19-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2008-20-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2008-25-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2008-30-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2008-32-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2008-37-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2008-42-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2008-44-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1072-43-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2008-49-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1072-48-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/files/0x0005000000004ed7-59.dat upx behavioral1/memory/1072-69-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2008-70-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1072-71-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2008-72-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2008-77-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1072-76-0x0000000000500000-0x0000000000510200-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe ac5278419ef54a5727d896f6d7fa9baa1c06f87523457d3547dc1e7b41e2287aN.exe File opened for modification C:\Windows\java.exe ac5278419ef54a5727d896f6d7fa9baa1c06f87523457d3547dc1e7b41e2287aN.exe File created C:\Windows\java.exe ac5278419ef54a5727d896f6d7fa9baa1c06f87523457d3547dc1e7b41e2287aN.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 ac5278419ef54a5727d896f6d7fa9baa1c06f87523457d3547dc1e7b41e2287aN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1072 wrote to memory of 2008 1072 ac5278419ef54a5727d896f6d7fa9baa1c06f87523457d3547dc1e7b41e2287aN.exe 30 PID 1072 wrote to memory of 2008 1072 ac5278419ef54a5727d896f6d7fa9baa1c06f87523457d3547dc1e7b41e2287aN.exe 30 PID 1072 wrote to memory of 2008 1072 ac5278419ef54a5727d896f6d7fa9baa1c06f87523457d3547dc1e7b41e2287aN.exe 30 PID 1072 wrote to memory of 2008 1072 ac5278419ef54a5727d896f6d7fa9baa1c06f87523457d3547dc1e7b41e2287aN.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\ac5278419ef54a5727d896f6d7fa9baa1c06f87523457d3547dc1e7b41e2287aN.exe"C:\Users\Admin\AppData\Local\Temp\ac5278419ef54a5727d896f6d7fa9baa1c06f87523457d3547dc1e7b41e2287aN.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1072 -
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:2008
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
29KB
MD5de17199f999a2fbb8b840c69084fc48b
SHA15a50a2667c772d3ebfa904716d35af65c3bb421e
SHA25655a6596ed91f96672c74f2d3bac743fbaacc3546b21678b20ec3de5c379a9aa5
SHA512532f6b09b6749b96d36d10a816fa1de2caef56e0c2c56d3387102a96e3cdfe4de5f9379977c8ef30c77b0718a8cbb4bed988ed4f415988e901752f90ce3c2148
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Filesize
320B
MD5ddca84f2d89d9985a7b6a5a51c02f039
SHA140f9d993887c7420c3f4b0f6dd704f8cb1f2381e
SHA25664fa2895e889b8302a7836b8e5f46205419b751301a2fdfb551a9243772df2c0
SHA51287301bcd68125b8bccd4507719446cdc3a5296eff536ab87fd106cf126e8515ccfd5e562f90090c292b6ede1b8f5b3aac6ad8c0cd8a38252b6cc2198cc225453
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2