Analysis
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max time kernel
111s -
max time network
121s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
17/12/2024, 18:53
General
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Target
bf18a77cd2c55f13ff9eb448dc753e8c9831422121deec246f0e6e390ea25c9cN.exe
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Size
218KB
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MD5
2a8ba1afc71f6bf85fb5d4dc7b504280
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SHA1
26c69d2ff1d922d086626e61698a76030590bc42
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SHA256
bf18a77cd2c55f13ff9eb448dc753e8c9831422121deec246f0e6e390ea25c9c
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SHA512
c6460c10c9e87fb68bc2c54707130743a2ada8ee4b5b0a284a115d3d31365328e04e9a02ced3208e4fd63ee946d4aea4c0515baa3d25f2815b8394c2423cdf68
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SSDEEP
6144:YEQBDdO1z7L/EIhZDE9oLfFWlMZT7+DGaMwIC:YEGDdQNHEwWlMxYG/wI
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\bf18a77cd2c55f13ff9eb448dc753e8c9831422121deec246f0e6e390ea25c9cN.exe"C:\Users\Admin\AppData\Local\Temp\bf18a77cd2c55f13ff9eb448dc753e8c9831422121deec246f0e6e390ea25c9cN.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
MD512cd43c818a021a046e651b7d4d54781
SHA19bcc3e45b4a15e600b427c802b2f413eb8c009a6
SHA25642887b5322f09a968ea32089ac5d587c8eb7aa0fbe23d35debc854d09d87b911
SHA512d6e317be1639cfbfd2f4b2322b3832acb6d1584a9a3d02c68c39052235a2261088bda16bb767eaff3e7f8fe9537a92c26c3800cae0dee63d4aa3bc34f0041e6a
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Filesize
728KB
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Filesize
728KB
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Filesize
2.8MB
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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
2.8MB
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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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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
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
2.8MB
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Filesize
728KB
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Filesize
2.8MB
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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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728KB
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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
2.8MB
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Filesize
380KB
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Filesize
324KB
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Filesize
2.8MB
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Filesize
380KB
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Filesize
324KB