Analysis
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max time kernel
111s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
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submitted
19-12-2024 03:04
General
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Target
70590b41a25d729e40cf5b14a9d2e34241d8ee4ce5a2bb75dafea80570874a64N.exe
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Size
208KB
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MD5
25d9945f1e22fa7010f3812eb2dfa9a0
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SHA1
d153cf7cb9b88b864a31b2e77da39612e15b9133
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SHA256
70590b41a25d729e40cf5b14a9d2e34241d8ee4ce5a2bb75dafea80570874a64
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SHA512
99dc5445b6615be1dc279d1e9eeb7e0edd593fe0dd2e3edf1a6655e1ea8d65d899f8b49c9702158e4fc80885c5eb2ef3bd50e6b3f150b21775528a779210afa8
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SSDEEP
6144:KOYX27lPBA3YDMw4lj6idlMlwl7/79C87:KwBAy0rlMI5
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\70590b41a25d729e40cf5b14a9d2e34241d8ee4ce5a2bb75dafea80570874a64N.exe"C:\Users\Admin\AppData\Local\Temp\70590b41a25d729e40cf5b14a9d2e34241d8ee4ce5a2bb75dafea80570874a64N.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
1KB
MD51f150b8780a6f88cc35766385e286864
SHA16358c649338c09caaaa2e2412eb4386455e1893c
SHA256599770cea5965ca7af27148cb2664ae26bf3fb45876fca4ebf49938165f7590c
SHA512b2ac7d0a8d104650c8af6739c7b1133ab9ec6f5704be4b479122fedbd03e4a3feae2cf884d8a8b986e4ee12731b423d2396823a7fcc8ed7bd65a654e8ec8dcb3
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Filesize
208KB
MD5a022da0fc0b6a58dd30256a9db2081ea
SHA1a86a19ad883bb124b0e83097105cc9688eec5cb1
SHA2563e67c35f8000649a58cc38aed5a8d9095fece6c174a00ee2fa531eac2015940a
SHA51263dd59ddd0e3d14dd3cc048a59944897b2f0070f26e9764a20a7e32761c7c60168b76c8ee8cfd3b44e4b022c560c7252f62fc730c088fab7e37ba1a28365892f
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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728KB
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728KB
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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
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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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Filesize
796KB
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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
672KB
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Filesize
672KB
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Filesize
796KB
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Filesize
796KB
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Filesize
796KB
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Filesize
380KB
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Filesize
796KB
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Filesize
324KB
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Filesize
380KB
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Filesize
324KB
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Filesize
796KB