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Analysis
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max time kernel
110s -
max time network
124s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
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submitted
14/09/2024, 23:40
General
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Target
7a96f81dfe428673956395a4c74208b0N.exe
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Size
355KB
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MD5
7a96f81dfe428673956395a4c74208b0
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SHA1
cebbb70dc25449279c6883e7d885a7abd4081823
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SHA256
1b6ca789f87acd2387e42c496f7cc14ab8a04733e0ae48a6dd31e04abc579ada
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SHA512
07138c67c57217ae6dde51d1a06bb6cee636ceae43c5be43f1a7581ce09c61fba487a9d91d2cfe7769c606b2a7fa66094156918ca8c310e3f7c15a97dc3127c6
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SSDEEP
6144:43EmWPDNND9yRPzLq+YXFqaZiMLic9kzVd7EAC4TSs9EiS:DmWhND9yJz+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
Simda is an infostealer written in C++.
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Executes dropped EXE 1 IoCs
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Loads dropped DLL 2 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 4 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\7a96f81dfe428673956395a4c74208b0N.exe"C:\Users\Admin\AppData\Local\Temp\7a96f81dfe428673956395a4c74208b0N.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
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Downloads
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Filesize
41KB
MD5bca82fcbe55e42e380f9bea6a6e3d753
SHA12a1e73123e70ca0fedd8a9eb39c7108815c7bc1e
SHA2565792d02b9750004648291080b376195fa8180d949672f320dbe52e6f25dae049
SHA51224fefcc0c0545254cf6d659e6ceda3750cde909087271b76d3ae3dc3ba0510f560c4757ba2208cd895d645160e8005de964df0a6e58c43b7d6bbd5851bb73ee1
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Filesize
355KB
MD53d1ba47a0c918e6122996483a78ab29f
SHA11ec1d99772805b3c7700fb1de12f7cce24929de1
SHA2567caa3482ecbe8679306973b8f0b2f93d93b3328af53ef5ab01be3d1998c291cc
SHA51281119e5b428732c608d1f5ae14862e168a9b87cc7157bcd5f58a9a45173bef2f1ae68efdf4c6c347b6e0168fe41bec5fff748468ab7353635113df8d7a2f9453
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Filesize
380KB
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Filesize
672KB
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672KB
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672KB
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672KB
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672KB
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672KB
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728KB
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