Analysis
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max time kernel
95s -
max time network
120s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
25-12-2024 17:27
General
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Target
8b34416466de489fbc2dc21848a83ea3427bfd701a934ce792445d2e874c047bN.exe
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Size
576KB
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MD5
a48e3a701b682edc7526eb033c9faf60
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SHA1
d830974818f1b73f55658ff32358d32d65d3a2f9
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SHA256
8b34416466de489fbc2dc21848a83ea3427bfd701a934ce792445d2e874c047b
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SHA512
d7d1f01ef55f33d38c383002fa2fa12a447a369476e9bf0e5370eb2d8757e9fc44081c2d586a37aa82a8082f074aadaa4b0b6a05d8d152717a2074173d279672
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SSDEEP
12288:2mWhND9yJz+b1FcMLmp2ATTSsdxmWhND9yJz+b1FcMLmpG:2mUNJyJqb1FcMap2ATT5rmUNJyJqb1Fl
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\8b34416466de489fbc2dc21848a83ea3427bfd701a934ce792445d2e874c047bN.exe"C:\Users\Admin\AppData\Local\Temp\8b34416466de489fbc2dc21848a83ea3427bfd701a934ce792445d2e874c047bN.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
Loading Replay Monitor...
Downloads
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Filesize
576KB
MD5dcd57811d8fb1670da5e30aaf5c27203
SHA10aef9e3d532a8d8f47b2706d83f4ae49a233fea1
SHA256465427e5f5ca139d9b23a68c5acca90284272873758fe376149c743ab27107a7
SHA5120dac6f9975f06d5605648b16ee529ad5b8656358ace400658ae8862b1cdc736e389a5f7f22a238ce4d1547411a9e352b098284029e6fd44b6fb1d4c6bbcaa956
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Filesize
672KB
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728KB
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380KB