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Analysis
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max time kernel
109s -
max time network
118s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
31/12/2024, 22:20
General
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Target
f985f60c3ea1e63821104ccea42781087ef4282d16777d0013a4eb5d736a4d9a.exe
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Size
355KB
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MD5
427e0c3fb6f26883ae42309e44c0c0b7
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SHA1
abbafbb4e90b3893002cf93b8f6b88a504210e62
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SHA256
f985f60c3ea1e63821104ccea42781087ef4282d16777d0013a4eb5d736a4d9a
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SHA512
f78b77eda0857cdcb74462bdaacabb999082360324398a62666fd0dbed3009ff71ca70de7324291577a634a13c9fb2b5437dc70c7308a692a0da7354df7ea241
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SSDEEP
6144:V3EmWPDNND9yRPzLq+YXFqaZiMLic9kzVd7EAC4TSs9EiC:6mWhND9yJz+b1FcMLmp2ATTSsdC
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\f985f60c3ea1e63821104ccea42781087ef4282d16777d0013a4eb5d736a4d9a.exe"C:\Users\Admin\AppData\Local\Temp\f985f60c3ea1e63821104ccea42781087ef4282d16777d0013a4eb5d736a4d9a.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
42KB
MD5f217a6055aa2198ffd83559d6017dd20
SHA1987eb1f9cbeac084042f85463d5f6c1fab61c788
SHA2563749efa9131cd686a2ee11b04753c88cc1a476d0a64ff82a08b7fa876c341b01
SHA512e8db97dd71a415f411a59b994e7ef147765c811623cd15dac47a2b79733d762d4c3dc9e58e3ae6833cc0a39ff32aac3aa45fe6dea357ca257890c34c9bed6b72
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Filesize
355KB
MD529b1393c9db8356caa4cc0eb2537b434
SHA115fc15cc3c22bdcfb8867e8ca8ae737d24e79469
SHA25643661eb69649aeb8bb0ca64bf68dca2372badbf2f22330af08376d9d9d65d470
SHA512cbaa4a17127c0090a48ef16ae889877d232bb3bcccf68d4945c52a5f57197a46cc1d5f1fb351894f0bd0eb463111ac4f2ef131fb2489a8a5e36195a04da04ac7
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Filesize
672KB
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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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Filesize
380KB