Analysis
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max time kernel
100s -
max time network
119s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
24-01-2025 18:02
General
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Target
19092e475f80a3024d20b695e4f84c2fbb2e2757c465ff06db73e88e860abb88.exe
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Size
375KB
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MD5
da45ea1d0f039a752552e54af242da8b
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SHA1
510d8c1ac00e7a4045e5f9cc4964f350d96d5dea
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SHA256
19092e475f80a3024d20b695e4f84c2fbb2e2757c465ff06db73e88e860abb88
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SHA512
64c353a5ed4e37838c6352df4806fc2ad040ff814866ec230f2e0e04dc777f54bb736a7352e26f202d6e814a123402aff428f9a4ab0e3cb00b95b96926487a2f
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SSDEEP
6144:N3EmWPDNND9yRPzLq+YXFqaZiMLic9kzVd7EAC4TSs9EiU:imWhND9yJz+b1FcMLmp2ATTSsdU
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\19092e475f80a3024d20b695e4f84c2fbb2e2757c465ff06db73e88e860abb88.exe"C:\Users\Admin\AppData\Local\Temp\19092e475f80a3024d20b695e4f84c2fbb2e2757c465ff06db73e88e860abb88.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
MD52ea52b85ba99d7ac55ba118eefb97c40
SHA1f85ade383894ee04f228e6f9567f7f3d817d9489
SHA2567a78b57458d3e22dc93e01189697f45de6d1a4466f9fc967e7f434e64976ce14
SHA5125245d5a66425ec27604ddcd3edf9ad1148722fefb525107faf878195a6881f109d0915213c130672c0686fb8c31588aba5abc45e333a43c71a692d96d97f77d0
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Filesize
400KB
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Filesize
672KB
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728KB
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400KB
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728KB
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400KB