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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
03/01/2025, 20:50
General
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Target
15dfc0585b35f475b116071795931bfe65b6d2b61428881942e07abfdfe74a47N.exe
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Size
208KB
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MD5
ff8d121a67d296a7e1856afb67c97fb0
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SHA1
b7f56443bef9c73a9a9995ad5e414ccd235a117f
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SHA256
15dfc0585b35f475b116071795931bfe65b6d2b61428881942e07abfdfe74a47
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SHA512
c2e4513b48d3b93ad16ccb621e7454d85cda687416744409660e5d48d2f1fa37bc31b6f7e41f788874c90d3d67e2ee4db83dbcbd355a2f8d846a6ae2392651d3
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SSDEEP
6144:za1oB/yvpK0JCmRcRRR8N0e2kXfCqNidkfk:zbapK0JCmRcU9vVokf
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\15dfc0585b35f475b116071795931bfe65b6d2b61428881942e07abfdfe74a47N.exe"C:\Users\Admin\AppData\Local\Temp\15dfc0585b35f475b116071795931bfe65b6d2b61428881942e07abfdfe74a47N.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
MD5c562ae2c7f877056dfc1d9435bb49c26
SHA118235a7c51197254db508f84a5db192ae44c17eb
SHA2563d3fe591e21ba3e3e36de89de00c7849c5a45d1693dc2d37007b7b3338d8bd1f
SHA5126f94c810cfe1dd00204a2baaab3dd178c38bbc6ea93e26b0d0ea4212b0978d66d47e65f58a639f0c4d6b5455325a6c1b97eae2502cae486549e55a5bd9a12106
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Filesize
12KB
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Filesize
380KB
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380KB
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Filesize
12KB
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Filesize
412KB
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412KB
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412KB
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412KB
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Filesize
672KB
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728KB
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