Analysis
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max time kernel
114s -
max time network
121s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
05-12-2024 17:33
General
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Target
0836cff009aa9652428433b2655418c57886be21c8a9d986f8d1889ab5a369f3.exe
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Size
204KB
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MD5
bc4f232d05b9151c6b067f8497e1c9ea
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SHA1
995f2992ab1a8c9d3a4ac75e3f160151954f0eec
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SHA256
0836cff009aa9652428433b2655418c57886be21c8a9d986f8d1889ab5a369f3
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SHA512
5f7bf65747ca80e1563bdd63740b3556d6dfb5266aa7c901f0387f47903c9c421f6518e5380cc5589f95d5adb448743557c32bf94eb7fa91a2b71a546e2cad7c
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SSDEEP
3072:U5u7yT4TVbkuRaX1w71jnRkCoyJTarYWbV+HOFxg+z1WxJsqWkoyjOowUVl/TlA4:ULexkuRaX41xoyJV65gzyZko+ucR
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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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 3 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\0836cff009aa9652428433b2655418c57886be21c8a9d986f8d1889ab5a369f3.exe"C:\Users\Admin\AppData\Local\Temp\0836cff009aa9652428433b2655418c57886be21c8a9d986f8d1889ab5a369f3.exe"1⤵
- 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
1KB
MD5fd74feb46816e2115867d58a6c7d738b
SHA122ebc6855a1ab7e432157a06a5c80839d21d17f6
SHA256f3627ad89a1a9bbbcc41121597e4eb4f8fe382bffb4d9fd8601a272f84338188
SHA512cb46baf4d7eb1c7e4363cc63912ee018776affabdc918d8e33d8ecb69c216f0ea0ec34bc6dec924dee746b35016f76676d0e579bd1a572e5a37de9006206895c
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Filesize
204KB
MD536931c20f0d10139ae6803f23b045ebf
SHA1ccdfcdb13a0ba5aa2a4c2f00cdb3dd11cfb2e736
SHA2566d4f5fcbb2acd5b2b622c46a7c3c3acecc189a8fefd7d301f9a9446e238709c9
SHA5128e5dccdd67e49ba3edf2ea74ae8050756cdbf2fcc1d5c710faec9d9b49e5de86d67194ab35a64570d413186dd87485962f8ef30f311c37d544b260e6665111e3
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Filesize
1.5MB
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Filesize
324KB
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Filesize
380KB
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Filesize
324KB
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Filesize
380KB
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Filesize
1.5MB
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Filesize
1.5MB
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Filesize
1.5MB
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Filesize
1.5MB
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Filesize
672KB
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Filesize
1.5MB
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Filesize
728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB