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Analysis
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max time kernel
120s -
max time network
124s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
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submitted
23/01/2025, 09:39
General
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Target
223e82b8cf20efaa72667df87c34c3d765b224718c3492618f8b9511e58fe0d0N.exe
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Size
218KB
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MD5
d20e25e1657cde7ef08fe84527b5adf0
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SHA1
7efa2cac4df35bb5223279af73802d7e08900aa2
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SHA256
223e82b8cf20efaa72667df87c34c3d765b224718c3492618f8b9511e58fe0d0
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SHA512
acc6208474e1e850be2ce6fa3776c922d9aba91bca8c9776510469ca3459352225ed21f03b3529bb3b498a464f31d810b1cf8e12b1d15ac09dfac1c0140807b7
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SSDEEP
3072:/vm4SZsQrNzPrl6rjGMjp39d4u8iqddCxMIJOb2o5DsBPjim6hwM2H6:X1SyAJp6rjn1gOObn4b6h9h
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\223e82b8cf20efaa72667df87c34c3d765b224718c3492618f8b9511e58fe0d0N.exe"C:\Users\Admin\AppData\Local\Temp\223e82b8cf20efaa72667df87c34c3d765b224718c3492618f8b9511e58fe0d0N.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
481B
MD547521c02d1f25b0c56a10a506d431115
SHA14a4e3673b3153c2193f67a3ea5a806e8d1381d6b
SHA256973823ab38d9b69306e58f4e69450d786de8efbbce78579df55db8f28d57444b
SHA51211909dd7f087434d51d6df0d119b601773d6ec78766d1595294a8884e80789aa4024e67358e137a377f0a045aaec9e39e4de3e090bb01c1092b108705199fada
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Filesize
218KB
MD51a33b136b877bbc8af24f6d573353dcc
SHA18979f259eb3c4515a23a0227f6c3d0a79dbad73d
SHA2560a1fe8a44d079462dc56525ae46727ed37cad358be00cdfc6ea925100089f477
SHA5129b8690d75ad69612d6d84cc42fbbde26e1866cd107e490dbbf49d53eb4b210526341a90381c3e5ff1f64abbd9a76e34d2b9f35b610985baaf91c13117f4d21cf
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Filesize
728KB
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Filesize
728KB
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Filesize
1.7MB
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Filesize
728KB
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Filesize
728KB
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Filesize
1.7MB
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Filesize
672KB
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Filesize
672KB
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Filesize
1.7MB
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Filesize
672KB
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Filesize
672KB
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Filesize
672KB
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Filesize
672KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
380KB
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Filesize
1.7MB
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Filesize
324KB
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Filesize
324KB
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Filesize
380KB