Analysis
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max time kernel
141s -
max time network
144s -
platform
windows7_x64 -
resource
win7-20240903-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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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\45b156a135bf3932bad5de4f7f8feedfbe000d85743e973594adf0f63ef301e3.exe"C:\Users\Admin\AppData\Local\Temp\45b156a135bf3932bad5de4f7f8feedfbe000d85743e973594adf0f63ef301e3.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
208KB
MD5a915fef14f238f9febf17a0a5a32ccd9
SHA1ea232016386140c4da1218c35dcb586d556d7a0f
SHA256972c702234b09ab084eb273900a1c53ca8689c2e07718eb1c2893b4900c65df2
SHA512b08ddbc13669be92f2c40882d5974c1b9a231e6dd16c7acea2864d868e3c67964e0e06b57bc894461a2adcc4bde92c85c075e67c46bb5a8bd070d8288c0f8df6
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Filesize
728KB
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Filesize
728KB
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Filesize
672KB
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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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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
412KB
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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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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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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
728KB
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Filesize
380KB
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Filesize
380KB
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Filesize
12KB
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Filesize
12KB
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Filesize
412KB