Analysis
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max time kernel
129s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
26-12-2024 22:03
General
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Target
4c94ae85b2352332576b3c2da571edf6d7fbc15f206499e1fe222517a26c49f0.exe
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Size
375KB
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MD5
f241fc72fce499124266da54b6889228
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SHA1
742c713d004d38f261ac00daf3521319ae822d0f
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SHA256
4c94ae85b2352332576b3c2da571edf6d7fbc15f206499e1fe222517a26c49f0
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SHA512
47406dab116929ab68f2d3b55db799b06425fd81459d555ab53c04899b4c7fb2263ccbff2913e2a0bbf721d5325c3690a0a4072bd48abd3e9f1e75e00597a12c
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SSDEEP
6144:X3EmWPDNND9yRPzLq+YXFqaZiMLic9kzVd7EAC4TSs9EiU:kmWhND9yJz+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\4c94ae85b2352332576b3c2da571edf6d7fbc15f206499e1fe222517a26c49f0.exe"C:\Users\Admin\AppData\Local\Temp\4c94ae85b2352332576b3c2da571edf6d7fbc15f206499e1fe222517a26c49f0.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
Loading Replay Monitor...
Downloads
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Filesize
24KB
MD5037ba76528d22d81b538fb910fb7404a
SHA1170eccd29ffd5fa5948008bc068444cb8f7de22f
SHA25657ed4c20468bb5f685edcab67fcdb308ee1bf07374358e60e5c9646f12ebac65
SHA512614ddfdf2cb3654bfc732194dacec56f77411f9dddd9475730ba58fcbd6d2d0e1527ee06dde837b87c99ddf648dc050e6298ba8aee7291a0826e058a368234b0
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Filesize
375KB
MD53ae23c30a5195f199c3221e6f8450f43
SHA16d8cd83f7d1d24cbbd70695343b5cc7317bd63ef
SHA2563be5dbd72491b1d625e6d2b5f32b007e3532d68b75681f89ea1ae63c10482f48
SHA512607b62a07f592d57a794a0a826cee7e3e6052879ef1bd7a268dee9c7bb0b2c923d9c133182d07eb857f477755523f4c813df7175af1a7168873eefa5d9574783
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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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Filesize
400KB
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Filesize
728KB