Analysis
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max time kernel
111s -
max time network
118s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
26-12-2024 11:59
General
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Target
f4d3cf3d5f0054698ac82507fb07ddbba7eaa77edcc2490ca48397a1b2e366ab.exe
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Size
218KB
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MD5
d6bc3456bb2aec04b016c0744f6dbccf
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SHA1
6cc2d02959c56356d86efdf26c0667bdeeb64eeb
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SHA256
f4d3cf3d5f0054698ac82507fb07ddbba7eaa77edcc2490ca48397a1b2e366ab
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SHA512
9e574ab2ff3355145306526c7ed857561e7d26ca73fd9376203c72e0f2a90f9c52166e370301df520e9256dbdddd68d82c580cc83725e25275b4e5f6b2a7c60f
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SSDEEP
6144:iEQBDdO1z7L/EIhZDE9oLfFWlMZT7+DGaMwICG:iEGDdQNHEwWlMxYG/wIp
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\f4d3cf3d5f0054698ac82507fb07ddbba7eaa77edcc2490ca48397a1b2e366ab.exe"C:\Users\Admin\AppData\Local\Temp\f4d3cf3d5f0054698ac82507fb07ddbba7eaa77edcc2490ca48397a1b2e366ab.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
MD5ae89ac433f23f45f77e668e0f0f236f5
SHA181d36d50893cb41e2dfea9ea39e4be35cd7d857f
SHA256d7f386682f297f46e6e74a8b497720e53542fe0d8cfbbad5fd616801fd3db026
SHA512df906187d178d12afc64fcf3f8dff4b515cbce7686e93873e2f0576a2df314ca91cc2f935cb6c9f187675b4d783f2306e7e72a4050b7bab5e10b853534146c03
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Filesize
2.8MB
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Filesize
324KB
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Filesize
380KB
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Filesize
380KB
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Filesize
324KB
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Filesize
2.8MB
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Filesize
2.8MB
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Filesize
2.8MB
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Filesize
2.8MB
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Filesize
672KB
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Filesize
2.8MB
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728KB
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