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Analysis
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max time kernel
114s -
max time network
119s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
01/01/2025, 19:47
General
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Target
76347603becb96ed56c8516381562074180e76c806b9c794c267b59f60e3f969.exe
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Size
218KB
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MD5
5ec045751694383deef7f029aa890288
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SHA1
bccbd356286bb46e6bc28ac0b3bd0e4c582533c0
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SHA256
76347603becb96ed56c8516381562074180e76c806b9c794c267b59f60e3f969
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SHA512
b586547d773f817f0b439360f2db0d6b2f01ed27e5e39f641cea3ad81845f9901bc4a7eb143ddea83e1316ba1a20c9ff0198a745db945584611be8fd88e6bc97
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SSDEEP
3072:uvm4SZsQrNzPrl6rjGMjp39d4u8iqddCxMIJOb2o5DsBPjim6hwM2HK:w1SyAJp6rjn1gOObn4b6h9Z
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\76347603becb96ed56c8516381562074180e76c806b9c794c267b59f60e3f969.exe"C:\Users\Admin\AppData\Local\Temp\76347603becb96ed56c8516381562074180e76c806b9c794c267b59f60e3f969.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
42KB
MD526b7858d744ab90deae6f193ba5d7600
SHA12f5432fa08d25494fe6ec90d5f86803b416ceb2a
SHA256916895a2b2d5c6997735f4b6233fe09568af52fe734ce846edb3772a646cc8eb
SHA51231a29abaa72544a6dd129a2d94075b76e498d7e15badd11e03cd9f480e612fb3fe317a9f4e27eaf501f06dd970551f6ef32a1cd06eb2e6d7d1ef752deb0e5f58
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Filesize
218KB
MD56089e7de5deee3b072e922c1a5001cb2
SHA18ba258dfa81b0509a8eedd87c0fba51663552055
SHA2568e61759df05bb0a6b4b436a174ddc66303b7ebc82c8c29881ff7f982ae30a876
SHA51228bbcbca62c7c1074ef44d9706904d367b1786d131690d2baec3e31d3c203ca4b82075eea517d3eea0a918e68b288ba04f491a1566b272a3e85e0ae26533db3e
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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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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