Analysis
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max time kernel
119s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
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submitted
26/12/2024, 16:04
General
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Target
f40561766c95def268b2976f50a8d7c5c16c705c30823091696dacf905c6c2caN.exe
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Size
212KB
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MD5
18b19d86a83a73331347ee475e3ba910
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SHA1
ce2c8f1f6bbd74c7a8adf1f17318ab9dbdd44390
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SHA256
f40561766c95def268b2976f50a8d7c5c16c705c30823091696dacf905c6c2ca
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SHA512
08259b1372e3e0086c88f6dff6fcf251fe003ac989e8ced5aa9e9e132902f16f961de59b1f71159a82922cc9a8f5c96b1ea6ad765a9028f388b8f886897a66a6
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SSDEEP
3072:MGwPsm1VrwxOsf0juzv8j4P1Hr6krr4IEhx9QZe2gO9mG9UHA30Vt3E/vDjb:MG/iVkO20SFgBhxtW9mG9+Umt3Ezjb
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\f40561766c95def268b2976f50a8d7c5c16c705c30823091696dacf905c6c2caN.exe"C:\Users\Admin\AppData\Local\Temp\f40561766c95def268b2976f50a8d7c5c16c705c30823091696dacf905c6c2caN.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
593B
MD5926512864979bc27cf187f1de3f57aff
SHA1acdeb9d6187932613c7fa08eaf28f0cd8116f4b5
SHA256b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f
SHA512f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b
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Filesize
24KB
MD551416ad561542694d8f47eaf5fa1a941
SHA1ba21aa46ec27f6d9989b3d2da84cd18161f7d4d6
SHA25694d31cb93be6b02efe71828042ecd179e555f07be1af143ef8f558fe3326b201
SHA51295d540d41946fc39891741e1637699818bffc87e9ae2beb3e7cfe579acd644120fe111d47739ca21641c5618383ad822b1eb42e353a036ab29c7b7272c98f7bb
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Filesize
42KB
MD52c208711a872e482febc5d81ab62886c
SHA1b4c021f8021b2ab50f52722b6c349ef630d51d2b
SHA25653d53355c68665bb48d52f63a24ccf71ff83beaed14b980d8d47082b5d1a6d49
SHA5123ab2da1ff69dd4c631a02850edd8001954d1415853f8b1007d40393420e3f7d8d16f0f07647c6edc1bac8cd4a99ead5f57739382a705e0b69a81b369b4dd0758
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Filesize
212KB
MD5b5f8dd157b9ec3c977068a000a3de381
SHA1f964814059ae7137d0e6b2d7fee718792807b458
SHA25619dbc3071e9d05165a13a220f3ad1be05b1faed4c361983290ae486da43ffe3d
SHA5124d3b3e7803b1628fcdd12d8c45499b2b266bfd4be4e322cb839b6267a04d4f9f8a678cc1ccf643bdcd59c2e5c4034182974331b9de4cc5001069f0e2703db98a
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Filesize
728KB
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Filesize
728KB
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Filesize
1.7MB
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Filesize
1.7MB
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Filesize
1.7MB
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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
1.7MB
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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
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
728KB
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Filesize
728KB
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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
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
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
1.7MB
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Filesize
324KB
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Filesize
380KB
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Filesize
324KB
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Filesize
380KB
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Filesize
1.7MB