Analysis
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max time kernel
110s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
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submitted
31-12-2024 11:34
General
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Target
3ae725b28db36a42769d041b97e0b8ae08dbc06e5fcd846190d6a786d1665362N.exe
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Size
204KB
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MD5
ab78fd301c29262c3f8c1c89822a0480
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SHA1
53276eb091ec25ac1b64c1945cff8923d51e0d1d
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SHA256
3ae725b28db36a42769d041b97e0b8ae08dbc06e5fcd846190d6a786d1665362
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SHA512
af8d3c65afbe43d193314b4597903644a5e04c72f643b0451afc3c4b60ddf2d4a05b75df7a27f110bf94e90c20aac9f8e53fcb7eb457acf59a716c39e87cfda7
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SSDEEP
3072:P5u7yT4TVbkuRaX1w71jnRkCoyJTarYWbV+HOFxg+z1WxJsqWkoyjOowUVl/TlAQ:PLexkuRaX41xoyJV65gzyZko+uc
Malware Config
Extracted
simda
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dga
gatyfus.com
lyvyxor.com
vojyqem.com
qetyfuv.com
puvyxil.com
gahyqah.com
lyryfyd.com
vocyzit.com
qegyqaq.com
purydyv.com
gacyzuz.com
lygymoj.com
vowydef.com
qexylup.com
pufymoq.com
gaqydeb.com
lyxylux.com
vofymik.com
qeqysag.com
puzylyp.com
gadyniw.com
lymysan.com
volykyc.com
qedynul.com
pumypog.com
galykes.com
lysynur.com
vonypom.com
qekykev.com
pupybul.com
Signatures
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
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Simda family
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simda
Simda is an infostealer written in C++.
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Executes dropped EXE 1 IoCs
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Loads dropped DLL 2 IoCs
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Modifies WinLogon 2 TTPs 2 IoCs
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Drops file in Windows directory 2 IoCs
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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.
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Suspicious behavior: EnumeratesProcesses 64 IoCs
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Suspicious behavior: RenamesItself 1 IoCs
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Suspicious use of WriteProcessMemory 4 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\3ae725b28db36a42769d041b97e0b8ae08dbc06e5fcd846190d6a786d1665362N.exe"C:\Users\Admin\AppData\Local\Temp\3ae725b28db36a42769d041b97e0b8ae08dbc06e5fcd846190d6a786d1665362N.exe"1⤵
- Loads dropped DLL
- Modifies WinLogon
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
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C:\Windows\apppatch\svchost.exe"C:\Windows\apppatch\svchost.exe"2⤵
- Modifies WinLogon for persistence
- Executes dropped EXE
- Modifies WinLogon
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
204KB
MD564d0a173197e34dac165e6c76dd836b9
SHA10e312e6502412dfffbfab9a4c1b715b570dabe13
SHA256fad29983b4afca6c6f9cdce10fa1bbfd42d5f314b65c730054e082aff3a6c61b
SHA51251deab88fc9ba901adb714fb0bf96a54b4fae6d1eb1c6293002ed9815c005453fda126f627b817540653fe6fbefad82b3c31a752368e30ca588ff3331240ba80
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Filesize
1.5MB
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Filesize
324KB
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Filesize
380KB
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Filesize
1.5MB
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Filesize
380KB
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Filesize
324KB
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Filesize
1.5MB
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1.5MB
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Filesize
1.5MB
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Filesize
672KB
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Filesize
672KB
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672KB
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672KB
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Filesize
1.5MB
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Filesize
672KB
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672KB
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728KB
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