Analysis
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max time kernel
120s -
max time network
120s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
20-01-2025 14:01
General
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Target
6ebbeb9b18aea982cb23ac6edac3f678417436e9757526faaab85b4ddd2e9b1cN.exe
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Size
218KB
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MD5
94ee161e4486476e0b4b62bbada90bc0
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SHA1
d0ea99ce63c36de5143a966bd7668c6fffc451e5
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SHA256
6ebbeb9b18aea982cb23ac6edac3f678417436e9757526faaab85b4ddd2e9b1c
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SHA512
53561d5e087c0754731731b4156fed8efb666d33bf8d7b803b03edfe26b33b9f19fcbfad0c163a4c193576fc41f221cb32a9976c87c1cf69e20ebd9363f63be6
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SSDEEP
3072:Lvm4SZsQrNzPrl6rjGMjp39d4u8iqddCxMIJOb2o5DsBPjim6hwM2H6:T1SyAJp6rjn1gOObn4b6h9h
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\6ebbeb9b18aea982cb23ac6edac3f678417436e9757526faaab85b4ddd2e9b1cN.exe"C:\Users\Admin\AppData\Local\Temp\6ebbeb9b18aea982cb23ac6edac3f678417436e9757526faaab85b4ddd2e9b1cN.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
218KB
MD5bac060034f7d7dcac175123aaaf336cd
SHA189d0fa9651bf39fe3e638ec2ae1184e262d2d29e
SHA256628b30cc39e757d76682371192d24adcf4bbd7e3ebbc05838eb0eb061f25cd24
SHA512c9b62bccda783d93ca488d3e688d56a929d41993e5ac8369e5c88043c60f0d988f9264502ca9a30778ffafcffccf8f586ed9ed776ed4739d6a88d0c6c62dcd00
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Filesize
324KB
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Filesize
380KB
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Filesize
324KB
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Filesize
380KB
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Filesize
1.7MB
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Filesize
1.7MB
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Filesize
1.7MB
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Filesize
672KB
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Filesize
1.7MB
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728KB
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