Analysis
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max time kernel
140s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
18-01-2025 23:46
General
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Target
45b156a135bf3932bad5de4f7f8feedfbe000d85743e973594adf0f63ef301e3.exe
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Size
208KB
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MD5
cae2c3d6cf7b2223fb7996c53083147a
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SHA1
1010ab1f365eadc78d38586d5972ab93c0b0e251
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SHA256
45b156a135bf3932bad5de4f7f8feedfbe000d85743e973594adf0f63ef301e3
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SHA512
1c701945712aa9abacc65649792de55a3424b49ebb35da3809fbc2c069d6431a0da602b92832e08de0a5e985189a6eb7f097ec3427843782358b227a6b6dc6f6
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SSDEEP
6144:ga1oB/yvpK0JCmRcRRR8N0e2kXfCqNidkfk:gbapK0JCmRcU9vVokf
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\45b156a135bf3932bad5de4f7f8feedfbe000d85743e973594adf0f63ef301e3.exe"C:\Users\Admin\AppData\Local\Temp\45b156a135bf3932bad5de4f7f8feedfbe000d85743e973594adf0f63ef301e3.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
593B
MD5926512864979bc27cf187f1de3f57aff
SHA1acdeb9d6187932613c7fa08eaf28f0cd8116f4b5
SHA256b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f
SHA512f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b
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Filesize
208KB
MD5fcd1050cd6496414ad7a7aca44604c4d
SHA1226b261ddc57a57c55798e8c146c513d04fadc62
SHA256d18a0f1e82e0642304c9df0a0a8ee5a230b3c28dc727146ec0503f157b88a22e
SHA5129baa64fe7a59f0f7a40b404fcda518a1d474871dfb9684997cd4678d26ff409257f7a22c4211da2c5d60871656846d168bd4617fa8498029ca5299c5e2c8453a
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Filesize
728KB
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728KB
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672KB
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412KB
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412KB
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412KB
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380KB
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12KB
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380KB
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12KB
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Filesize
412KB