Analysis
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max time kernel
110s -
max time network
119s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
31-12-2024 12:20
General
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Target
840d0958167c6d1ea57d06a3b55ae2edc826cc0cfb24e8384dea34c7b8597dcdN.exe
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Size
218KB
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MD5
279b2ee0efa338a503f23579958df600
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SHA1
0cd8511843315227b0368aa02ba25945f8c5b365
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SHA256
840d0958167c6d1ea57d06a3b55ae2edc826cc0cfb24e8384dea34c7b8597dcd
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SHA512
52c9ce404fa472a23c63873685a741c915337f287e9077d0bbe5f7331b9aa2542f66fee1da3ae59a35f2425d40c7d1637216357af9dd746c18220ab12e325bf5
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SSDEEP
3072:Hvm4SZsQrNzPrl6rjGMjp39d4u8iqddCxMIJOb2o5DsBPjim6hwM2HO:P1SyAJp6rjn1gOObn4b6h9b
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\840d0958167c6d1ea57d06a3b55ae2edc826cc0cfb24e8384dea34c7b8597dcdN.exe"C:\Users\Admin\AppData\Local\Temp\840d0958167c6d1ea57d06a3b55ae2edc826cc0cfb24e8384dea34c7b8597dcdN.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
MD597cbdf3d33ccbab832defe36101a6211
SHA1c25fb0d84998e645f952c1c2262e5f4994dce2f7
SHA25638180d59d57eadddef3dec2b529c8afc59442d3f8f1c104114260f1b291e81f0
SHA512814cc38c80b1899c8be10e50412f29522b275e1abb83f7082e2e849187e73d2505fe45716fdebefec1ae5371bd09f20a9d9166fd53ee8627600dbcb308e00f9a
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Filesize
324KB
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Filesize
380KB
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Filesize
1.7MB
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Filesize
380KB
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Filesize
324KB
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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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