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Analysis
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max time kernel
120s -
max time network
117s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
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submitted
23/01/2025, 06:03
General
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Target
27722bfaca44cf30d85f7282ae3f9ae70fb5304a3dc5420310c227d2f75f5bc9N.exe
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Size
213KB
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MD5
472c1634fd95f1edfe18737843186440
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SHA1
0a11dbef54327f8162ac3324de735d46cc8caa3b
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SHA256
27722bfaca44cf30d85f7282ae3f9ae70fb5304a3dc5420310c227d2f75f5bc9
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SHA512
c831b5e5676f8ac155c6b9b6bbc339d528eb184543398b0a8d268df3b63daaa6fd453694da3c32f5eeba6747732f03d9e84339dbffc367c1541bd026d10a81a2
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SSDEEP
6144:EQfbXnEreyARNf+fIfvEEDi3EJ3FzbPotDy:TXkej+f4VDOEVdbgt
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 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\27722bfaca44cf30d85f7282ae3f9ae70fb5304a3dc5420310c227d2f75f5bc9N.exe"C:\Users\Admin\AppData\Local\Temp\27722bfaca44cf30d85f7282ae3f9ae70fb5304a3dc5420310c227d2f75f5bc9N.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
481B
MD55a1f713c46c4954d9114b5fdac26665a
SHA1ed1a9c337b311a7839263c8b5fa608175a1c5d42
SHA256dad1b3dc420b4c4a69eb4649d30fe6f8bc12a82ec4606cc2d25759566e2acd98
SHA512f0653fba4c8ac2956fa92eb28440b7d732b91bbd89c7b099b00791f039eef1cdd6d6b54a5dc2734d8e005885cb89413d882f231ec13776a82cd44fa5bd73e0b8
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Filesize
213KB
MD52678deef1bf0015ea8dbc8bf8a30db4d
SHA1fd7f9e8ff85f0da3255b9165791ed166401956ea
SHA256909cbba57b16cd5033411d858538ecbd6c1f1c604732b515c716af73c8749a96
SHA51291a1dcf09262aef3e8dc345ace1bf7bdbd8bfe1c8f78cb94f99da860ec65e030cb3abd1704b8fcb5d997d634e8937e91f9039fd8fc7fbcf031cf3e2d7d325cf8
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Filesize
2.3MB
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Filesize
324KB
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Filesize
380KB
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Filesize
324KB
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Filesize
380KB
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Filesize
2.3MB
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Filesize
2.3MB
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Filesize
2.3MB
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Filesize
672KB
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Filesize
2.3MB
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Filesize
672KB
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Filesize
672KB
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Filesize
672KB
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Filesize
2.3MB
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Filesize
672KB
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Filesize
672KB
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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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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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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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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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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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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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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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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