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Analysis
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max time kernel
116s -
max time network
120s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
23/01/2025, 10:03
General
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Target
f3caab558955808ba1fed486a32e2aad178e98a1534b6b28cc9b7ee5a71ee4c8N.exe
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Size
208KB
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MD5
549264405baa00f4c2f55929f29fb580
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SHA1
636b8602680407fb04bf33b0ccad690fbf06f8ce
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SHA256
f3caab558955808ba1fed486a32e2aad178e98a1534b6b28cc9b7ee5a71ee4c8
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SHA512
243333766df0d621140a80ad4c1c5ab278fdc622eb6d5177e0fadda642225f742095e2de2659398e6621b0b7ab5451262d752a70f1032ab47958450349caa3f4
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SSDEEP
6144:VJRDxRqdSqQts6iRZsTZuDbhivDVDN8zqF3:VcjQKUZigDVJ5
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\f3caab558955808ba1fed486a32e2aad178e98a1534b6b28cc9b7ee5a71ee4c8N.exe"C:\Users\Admin\AppData\Local\Temp\f3caab558955808ba1fed486a32e2aad178e98a1534b6b28cc9b7ee5a71ee4c8N.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
208KB
MD5bfc9417be1be7b1e764b04ed48524e6f
SHA114dbdaf2a84adf455e1af98a415c0241e5bda20f
SHA25640b0fb84132f44e6c7076e3a018a65dfe312a627950b622b045977217811c837
SHA512b92235590583c3fa5e02ccd82451507d3d6603d271d73ac631e7f1d85627b208c693a93c9b9f20d123ef616174b2b4f8d4d459e928b422edd9c57a9c26979312
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Filesize
728KB
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Filesize
728KB
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Filesize
964KB
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Filesize
672KB
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Filesize
728KB
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Filesize
728KB
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Filesize
964KB
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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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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
964KB
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Filesize
728KB
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Filesize
964KB
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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
728KB
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Filesize
324KB
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Filesize
964KB
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Filesize
380KB
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Filesize
964KB
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Filesize
380KB
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Filesize
324KB