Analysis
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max time kernel
114s -
max time network
121s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
01-01-2025 16:48
General
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Target
71749a9bee48ccc6ed4b591c3196d37ecceaee473f3e658f14966af5014a5b81.exe
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Size
217KB
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MD5
9b8cf8ca83f8ef2e4500dc5d5e4e8c5c
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SHA1
77200e88a75ac696a6b479c0fcc045743ada4682
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SHA256
71749a9bee48ccc6ed4b591c3196d37ecceaee473f3e658f14966af5014a5b81
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SHA512
a6498d15fd5e588551a1e027dce45cc942357c59f51428061f47017eed6c8e26fdea75cb3af8ae28ffd9be76f2b715cd22725b8bb897231a41d223894a0bab76
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SSDEEP
6144:2rRaTyDOnlo7eM+mlkWgRXOqobzWjozm2ulYM6Y:ksTbzu1glovW4EH6Y
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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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 3 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\71749a9bee48ccc6ed4b591c3196d37ecceaee473f3e658f14966af5014a5b81.exe"C:\Users\Admin\AppData\Local\Temp\71749a9bee48ccc6ed4b591c3196d37ecceaee473f3e658f14966af5014a5b81.exe"1⤵
- 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
217KB
MD5cdd39d902fd50e21688741783010b80e
SHA134257fd62890e393e2ec51cee9533a664f141a67
SHA256e17c10ab871eec4b95b5d86310f55542f940d92bc6831a30ed4d0c6a6f7ea0e4
SHA512506dbbba33277e483622b2c05c135581c5398340fead1754c1f43bfa681e876651f3e1e094a2b55288aaa6038e6948f9c2e4fb7a822799567bd672598cd71b9b
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Filesize
1.5MB
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Filesize
324KB
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Filesize
380KB
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Filesize
1.5MB
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Filesize
380KB
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Filesize
324KB
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Filesize
1.5MB
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Filesize
1.5MB
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Filesize
1.5MB
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Filesize
672KB
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Filesize
1.5MB
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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