Analysis
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max time kernel
119s -
max time network
120s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
03-01-2025 14:05
General
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Target
7299945b64d0cdde0b0fa66a916ca84fd56a06e42662fe06176ab840ead538e8N.exe
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Size
208KB
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MD5
abe9af3b5408f13d274b065874e6af60
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SHA1
445e4500e7e1d7274c541a249e8b8dfd8fba338f
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SHA256
7299945b64d0cdde0b0fa66a916ca84fd56a06e42662fe06176ab840ead538e8
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SHA512
833f18644c941106dfe749aec3ff1ddaa0de675e3cb199deefd373db2d8c5578b2f79010a1d7ab2f9e0f7c3ee04a49b01c9f71f145331f46b65014af08624398
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SSDEEP
6144:Oa1oB/yvpK0JCmRcRRR8N0e2kXfCqNidkfk:ObapK0JCmRcU9vVokf
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\7299945b64d0cdde0b0fa66a916ca84fd56a06e42662fe06176ab840ead538e8N.exe"C:\Users\Admin\AppData\Local\Temp\7299945b64d0cdde0b0fa66a916ca84fd56a06e42662fe06176ab840ead538e8N.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
593B
MD5926512864979bc27cf187f1de3f57aff
SHA1acdeb9d6187932613c7fa08eaf28f0cd8116f4b5
SHA256b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f
SHA512f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b
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Filesize
61KB
MD5245fc30b9528e71a438e781e0501120d
SHA1f45178a4b26b7c7da9076b94cd9972cc6b5ebd18
SHA256f0364603c0ae2218886d374f138b85306057f2eeee035b042e345e118f9c8952
SHA512b0236a9aa59e8dc1a1415c2ce486d0b1b9bbef18b3728a1d217c7f17fd03cc612be97d5c8b734aaa0e24327fea9dcf5c91a9007473d0a9bdf8604e86d5a56650
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Filesize
208KB
MD579d1b67f8a1c85affa84734b5cc39f4c
SHA19e04b69e49396a5b16fe8dd8f1f469f4eb53b568
SHA2566fa50dca75e044d8b20512136e8c4ab27d9c26dfec64df8b3a951cae7ad5cdc8
SHA512dd7b26912e6fb696899b8c55fdfd74153e8210718784edd8060b9b1b1eed739afd8f5df7c241b3a9481803a93b71c0443de509721c6f74c529ee0d60e8a1a9db
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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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412KB
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728KB
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728KB
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728KB
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412KB
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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
672KB
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412KB
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12KB
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Filesize
380KB
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Filesize
12KB
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Filesize
412KB
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Filesize
380KB