Analysis
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max time kernel
119s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
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submitted
11-01-2025 18:37
General
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Target
b4366257dda8471165d5941c1dbf385cc0d7b603637f31bfb26c652d31ac1becN.exe
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Size
212KB
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MD5
36ec07d2de44ccb7d98b1c69084330f0
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SHA1
859d5b56703c6323586a5616c720bda9553f7057
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SHA256
b4366257dda8471165d5941c1dbf385cc0d7b603637f31bfb26c652d31ac1bec
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SHA512
e631f414d5dbfc0b870c97fefd06ccee7d6794799abf22df44025d776594f71d6222ab243337e9c35df9750504369c9cedf1811113d8b83f6631f6c8d0bad8e0
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SSDEEP
6144:yob34ERMS/H7YAVsobrVn5G4E3Hi96mbQzJWFO8Omw4G:lboEj/8ASWM4Ki96/zqIKG
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\b4366257dda8471165d5941c1dbf385cc0d7b603637f31bfb26c652d31ac1becN.exe"C:\Users\Admin\AppData\Local\Temp\b4366257dda8471165d5941c1dbf385cc0d7b603637f31bfb26c652d31ac1becN.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
593B
MD5926512864979bc27cf187f1de3f57aff
SHA1acdeb9d6187932613c7fa08eaf28f0cd8116f4b5
SHA256b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f
SHA512f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b
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Filesize
212KB
MD53f21b9c55ac04c305d4aaedde8aa88fe
SHA1d29f494554475194813c1719a78b92de8dc0bd5e
SHA25671a84ef4feee5dfbb3f1bcf714845a69628b70ce12fc977e27a230fae495ea7e
SHA512958a30b2b2d4487b76181410abd7d0dc7e5a3f08810e06fc9e36a8799c6c0c531790c1682a5736c4267fd037d1a84ec4b7d3069f6aee72d7e0e199f3159a291a
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Filesize
728KB
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Filesize
672KB
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Filesize
672KB
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Filesize
1.7MB
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Filesize
728KB
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Filesize
672KB
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Filesize
672KB
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Filesize
672KB
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Filesize
1.7MB
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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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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
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
1.7MB
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Filesize
1.7MB
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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
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
324KB
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Filesize
380KB
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Filesize
1.7MB
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Filesize
324KB
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Filesize
1.7MB