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Analysis
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max time kernel
107s -
max time network
119s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
26/12/2024, 19:58
General
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Target
145c241d879124ce0e5f9ec1491e757b0867985270b02f7a6ef7c4dc4ad89528.exe
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Size
375KB
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MD5
0178d66b5bcaf69c7175ee73a0a9888a
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SHA1
c8e3774a15fc032f88aceabbf8fad4c5c9559e41
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SHA256
145c241d879124ce0e5f9ec1491e757b0867985270b02f7a6ef7c4dc4ad89528
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SHA512
daa5558a350dabd327a47c9a2dde8d98c2bd48f5662ace00a2358c1086ba4a4b7dbf4e9dd5bd280c0b54de3e34be7425207c257626594cb02dd8cb7f8ed5518d
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SSDEEP
6144:n3EmWPDNND9yRPzLq+YXFqaZiMLic9kzVd7EAC4TSs9Eis:0mWhND9yJz+b1FcMLmp2ATTSsds
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\145c241d879124ce0e5f9ec1491e757b0867985270b02f7a6ef7c4dc4ad89528.exe"C:\Users\Admin\AppData\Local\Temp\145c241d879124ce0e5f9ec1491e757b0867985270b02f7a6ef7c4dc4ad89528.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
375KB
MD5fe420f106518a184e878e3c0aeae0972
SHA1f6707d0a0d4c517fae025f3c9f58e0b1cd68bf37
SHA256cd5962f3dfe55d5b3c6f97071e8d61efa9f9c59582d7ced7cfb618bdca9f03ad
SHA51233be25336424630ee159e9033c11e36ca3612c3a8ef9051a21bf94a8fa7a1d19c80967fb01db4f7940f576e0ec33d8b19645325cf4063b2134fd1cec193712f6
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Filesize
400KB
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Filesize
400KB
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Filesize
400KB
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Filesize
672KB
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Filesize
728KB
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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
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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
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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
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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
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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
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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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Filesize
400KB
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Filesize
728KB