Analysis
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max time kernel
118s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
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submitted
06/11/2024, 04:25
General
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Target
ff03b0e46c9b1672bc761f8f761d0f74e678a9b60eb2bae762213a33aa1e58fbN.exe
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Size
208KB
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MD5
a82b20470d488e0b868a1f61e27a57f0
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SHA1
0e8626114074d99af8a59275e15c3a19c60e7087
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SHA256
ff03b0e46c9b1672bc761f8f761d0f74e678a9b60eb2bae762213a33aa1e58fb
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SHA512
7225160a549a731355b67deabbf1bd50ea74c7c194855b0b6a8bb301b94763f6422947ae947efc0af3fffbd55594f27cfbddec15c9c30d21226b39a3f5b46ac8
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SSDEEP
6144:Ea1oB/yvpK0JCmRcRRR8N0e2kXfCqNidkfk:EbapK0JCmRcU9vVokf
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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Loads dropped DLL 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 7 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\ff03b0e46c9b1672bc761f8f761d0f74e678a9b60eb2bae762213a33aa1e58fbN.exe"C:\Users\Admin\AppData\Local\Temp\ff03b0e46c9b1672bc761f8f761d0f74e678a9b60eb2bae762213a33aa1e58fbN.exe"1⤵
- Loads dropped DLL
- 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
MD5f833851dd5570b55fe5456fe3fa7ab9d
SHA1cc350e6c916f3c2b03799c8baae6430a85ecfd09
SHA256762565ef966863d57d17634c987381f85125343d1d641fa8232022f5d5c867d4
SHA51274dae407723a6861cf97ab7e1b15fe209b01048c9105a44fcaad18ce070c4c5ac7ad636237831f9662bae3fd75de81d6ed77b94d35bd0f7e107e56f1ce88d500
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Filesize
208KB
MD5f148490e99960eab2447fb6ea7def19b
SHA1b4b503c61c3e8dd5b1a700c9da1376ee3431078e
SHA2567691b9e71b8f3fab36a0f93b65a3725c9af191552e6c92fe44499668ad9b97ba
SHA512782f6c1cad8a0310d1e694a275195ea5792af5173ae458ee56d8823769a6a477e60fbaa83272c88016765c78f272959a1f280725fa8c8405b4d4d0eb21d22662
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Filesize
728KB
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Filesize
728KB
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Filesize
672KB
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Filesize
728KB
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Filesize
672KB
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Filesize
672KB
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Filesize
412KB
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Filesize
672KB
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Filesize
672KB
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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
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
672KB
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Filesize
412KB
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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
728KB
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Filesize
412KB
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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
12KB
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Filesize
380KB
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Filesize
380KB
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Filesize
12KB
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Filesize
412KB