Analysis
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max time kernel
111s -
max time network
119s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
23/01/2025, 10:55
General
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Target
9a5fbacc906581b2de0fe05ddbb3d10606e9c06ce013f1ee7fcfcb0f91bacecd.exe
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Size
355KB
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MD5
3bedf744b090d0595bbae802ebac6fc8
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SHA1
0a42a079d67d1d44a65ad347aa562a9107977192
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SHA256
9a5fbacc906581b2de0fe05ddbb3d10606e9c06ce013f1ee7fcfcb0f91bacecd
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SHA512
4cb288e8143211d30dbcb83b22b98d5c633b28d05ed1fa663fdee60a3611062f14526d56eb1d87fd92bf2c7600247ff6e7f92127d410af8bc4d523460dad958a
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SSDEEP
6144:CgEmWPDNND9yRPzLq+YXFqaZiMLic9kzVd7EAC4TSs9Eif:kmWhND9yJz+b1FcMLmp2ATTSsdf
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\9a5fbacc906581b2de0fe05ddbb3d10606e9c06ce013f1ee7fcfcb0f91bacecd.exe"C:\Users\Admin\AppData\Local\Temp\9a5fbacc906581b2de0fe05ddbb3d10606e9c06ce013f1ee7fcfcb0f91bacecd.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
42KB
MD544b9e6955adec8d7ce5d5b4f0828144c
SHA1d269b2d43d36181845c13b15ec9fbb2a64d51bc7
SHA256cf659ca0a4109efb8cee86d745917df948dbff1cffbb7e71139f31f62c9a601b
SHA5126372d2af313987606998da3f08b0eff7af6eb20ad552141f65aa2996f5468d2c12cc0ab45ff1d65ca86d755e18e4ec0262845f2cf31743b41411dce0cfec8d07
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Filesize
355KB
MD58c24dc460ece6e206b5b62a5ecb5bc53
SHA1f35f7c2bdea5ef9a356af99d54538700d35f904d
SHA256cfa35381845b5c2cee098fb4b71db4d52aed8fe344def58cab2864fe75823629
SHA5123bfa308e1a4dfb6184f005bdbb56109921133203f27c4f3a747afd10fad3311fc87d19ef8c169e3b69f9a3b259c9c6e29baf6dae2ed88279025df2a1b80aadd8
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Filesize
672KB
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Filesize
728KB
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Filesize
380KB