Analysis
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max time kernel
145s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
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submitted
18/01/2025, 06:15
General
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Target
94576fc100985a117b1fd642453c546f8cd7ef962d0fd5758d5ddfeb2097baf8.exe
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Size
355KB
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MD5
003eea5e06158cf2200efabc4b490117
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SHA1
760ab8f9c9a9c2166cb5314395ee3f94235b6015
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SHA256
94576fc100985a117b1fd642453c546f8cd7ef962d0fd5758d5ddfeb2097baf8
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SHA512
67fb58f081d0ebbcc8b57ebd2e5b218264d8b5e6aa19492511408344f5483d3a6f6a434351057f492110c7262883e277193c7be4d7571731dec554dcc76d9990
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SSDEEP
6144:VgEmWPDNND9yRPzLq+YXFqaZiMLic9kzVd7EAC4TSs9Ei:TmWhND9yJz+b1FcMLmp2ATTSsd
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\94576fc100985a117b1fd642453c546f8cd7ef962d0fd5758d5ddfeb2097baf8.exe"C:\Users\Admin\AppData\Local\Temp\94576fc100985a117b1fd642453c546f8cd7ef962d0fd5758d5ddfeb2097baf8.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
355KB
MD5fb661b01b428027a1aa934052bb05fa7
SHA1881518baaa402d29399fec7583225b0e4639d0c3
SHA2563b8eb9864482f03296d18ab8d3c9103da9a983a14416424368a24e8012ecd90a
SHA512467bb16bbd498e290b8bc19f70424948e7f8439a5f0a961ca057aca839caf862e0516e512b0e91686b910e1b8ba2f3b743da16e93532ac53241d77039900328d
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Filesize
672KB
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672KB
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672KB
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672KB
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672KB
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672KB
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728KB
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380KB