Analysis
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max time kernel
99s -
max time network
119s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
30-12-2024 15:31
General
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Target
89da04807ce0ec6a73c5860acbdab261bc8fda30bf64256e78ebdbfe5a47a522N.exe
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Size
355KB
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MD5
5ea162e44d2658109996dab3dd476960
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SHA1
37ce1bc36d953d855bf2b23f0146c68dcfd8a4bd
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SHA256
89da04807ce0ec6a73c5860acbdab261bc8fda30bf64256e78ebdbfe5a47a522
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SHA512
802cb991f85229f1905c18a75267e6d5460d5d744900de0fbf78d81fb61426822dd9220cfd69da46ecc52eb7d9e6eb56b3c61a63aa07e0666e98d66b43470f9c
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SSDEEP
6144:A3EmWPDNND9yRPzLq+YXFqaZiMLic9kzVd7EAC4TSs9EiS:bmWhND9yJz+b1FcMLmp2ATTSsdS
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\89da04807ce0ec6a73c5860acbdab261bc8fda30bf64256e78ebdbfe5a47a522N.exe"C:\Users\Admin\AppData\Local\Temp\89da04807ce0ec6a73c5860acbdab261bc8fda30bf64256e78ebdbfe5a47a522N.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
355KB
MD5b2231ec528110c27d071ccf84110757b
SHA11341468c8e0b010e1702aae2ed5e0e32896efec1
SHA25635da7a90cd708e4085e1878265089c5f5cad13a4fd1bd221076aa86cfcf88c54
SHA512543395a0c731c0b61156e8c920921aab72749c96098f2a97ed93daa1aff29ec3410055351c14c0da2f5a870ff140aa698e760fd8095963c70432409edc5769b4
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Filesize
672KB
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Filesize
728KB
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Filesize
380KB