Analysis
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max time kernel
115s -
max time network
119s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
05/11/2024, 22:32
General
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Target
a826b7ff08c2244f28a53e5266f566272af32569991ff6084eaba507de4dfa77N.exe
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Size
1.0MB
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MD5
621d76ac8647f26e0af0206c4ddd2440
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SHA1
67dac8bd12e032f419b6bcf4a625d6643a4393d8
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SHA256
a826b7ff08c2244f28a53e5266f566272af32569991ff6084eaba507de4dfa77
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SHA512
e3ebde761c2f0df41eb28d36ac8ff0ab45597097ad788bbc5a5e1ed894ac01ca73a5f5fb8b738816dfde824c835822e748eb8b9b678d95125132236d38c38c45
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SSDEEP
24576:5mUNJyJqb1FcMap2ATT5OmUNJyJqb1FcMap2ATT5OmUNJyJqb1FcMap2ATT58:5mV2ApOmV2ApOmV2Ap8
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\a826b7ff08c2244f28a53e5266f566272af32569991ff6084eaba507de4dfa77N.exe"C:\Users\Admin\AppData\Local\Temp\a826b7ff08c2244f28a53e5266f566272af32569991ff6084eaba507de4dfa77N.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
1.0MB
MD52654e4070c8eb24da99fcca250b217fa
SHA1defeb127128af24d1e3691e51fd7e1f017756c34
SHA2568d159dc29e585669f6f24c835ec38df7df98044d761f84d6f8c40fb3558c3c14
SHA5128cd27c5ffa43e3b4d59ad0713c661314c44792ac2e8af99fbbd5446550315f738db015d8f5b158499352134baad368ec42bd337c1ac3ee5b061f29cb09439733
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Filesize
380KB
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672KB
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