Analysis
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max time kernel
113s -
max time network
121s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
03-01-2025 11:22
General
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Target
1417a63ca2c2bbea752fc2a173a920df76aaa9552b756f1bd650f4dd91e6fbe5N.exe
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Size
218KB
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MD5
03e25e0aeb3d73ebba250df644707a60
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SHA1
a2b80326274afc9b1e3d7aa7b14f08f227cc74d6
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SHA256
1417a63ca2c2bbea752fc2a173a920df76aaa9552b756f1bd650f4dd91e6fbe5
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SHA512
ab29dbe2bba4310531ae853a7af3fe5eee846933bf565a76b7e6d15a8f9df141a89e5d0d8bf66900f559037744d6335807fe1e7b855ee83acb9c449d4b034a35
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SSDEEP
6144:1EQBDdO1z7L/EIhZDE9oLfFWlMZT7+DGaMwIC:1EGDdQNHEwWlMxYG/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\1417a63ca2c2bbea752fc2a173a920df76aaa9552b756f1bd650f4dd91e6fbe5N.exe"C:\Users\Admin\AppData\Local\Temp\1417a63ca2c2bbea752fc2a173a920df76aaa9552b756f1bd650f4dd91e6fbe5N.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
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Downloads
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Filesize
218KB
MD5a6931eb2c6badf6353f8ced5e26c0aaf
SHA17922a6901db63c7b9ae9546a63803311c7e1a064
SHA256018192a48a8481c8183510075b1caa53f1bf321cba13f8dedd69501a42a49bd2
SHA512d25220104ea7c9e31856f7009d453e54ffbd970819def86d43996be5dd0724ccecdb6b3fdca123a4aefe017d3a4c9cc4556fcd4de7b1edb970beabe328cb7b6f
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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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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
2.8MB
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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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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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728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
324KB
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Filesize
380KB
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Filesize
380KB
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Filesize
2.8MB
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Filesize
324KB
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Filesize
2.8MB