Analysis
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max time kernel
115s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
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submitted
01-01-2025 18:50
General
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Target
a12715bcc0a819c76a5f53316d4ba6a7977ca605e0c48b8a81fd43b377f93a4dN.exe
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Size
212KB
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MD5
21dcd52887c5f0a48de18912c867a560
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SHA1
4f5194997395b43b0e17c381dd3e8f996111a051
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SHA256
a12715bcc0a819c76a5f53316d4ba6a7977ca605e0c48b8a81fd43b377f93a4d
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SHA512
5859cd24654dc4791d79ed13c5760972aaa37c957bd487ca716544cd4b1eaacba4b15a7e76912505e1917e00280139de41d6e24084f93384764bed7cef95928b
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SSDEEP
3072:YGwPsm1VrwxOsf0juzv8j4P1Hr6krr4IEhx9QZe2gO9mG9UHA30Vt3E/vDjb8:YG/iVkO20SFgBhxtW9mG9+Umt3Ezjb8
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\a12715bcc0a819c76a5f53316d4ba6a7977ca605e0c48b8a81fd43b377f93a4dN.exe"C:\Users\Admin\AppData\Local\Temp\a12715bcc0a819c76a5f53316d4ba6a7977ca605e0c48b8a81fd43b377f93a4dN.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
42KB
MD5ad697815f8c48f13229a5ce2967f2dcd
SHA10a9e53a108fdda9e4653da3bbd4e85ac441825a3
SHA25647238eedf10f22c5420e60c17f606634fd81ba3d9166061dc0d9633df05eb0d2
SHA512a9de3501562b1f3a203179ceac486ff6b5df41d7ff7dc0b73029795d4518bab47bceed6522e40fb19de28f197cfa5b40ee240045c8836652d100c541e1590fdd
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Filesize
212KB
MD54c398c24b6d4cb7660c730a7fe3bba67
SHA15c12abe451cafe00f3ac32fb310d10fd13ae1cff
SHA256cd2b660ef2095563920ee8bb48284dc16013aed07172cf94e98422c17f54bf29
SHA5127beb919727a0a8816f65bd310cbfcf75824cfde68c12f6b3584991ce0c2853b91270afbcce3830c6039bca71b348ee976a8f2f5ee6ace5505b88132b91b383be
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Filesize
728KB
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Filesize
728KB
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Filesize
672KB
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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
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
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
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
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
324KB
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Filesize
380KB
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Filesize
324KB
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Filesize
1.7MB
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Filesize
380KB
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Filesize
1.7MB