Analysis
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max time kernel
119s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20241023-en -
resource tags
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submitted
31-12-2024 20:40
General
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Target
317e1fc9ae3a6c277f074e3feea78daac6cf28a1dc262bb1206811f0b7a50d84N.exe
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Size
355KB
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MD5
947b5352b4974069fcce9fae76451c40
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SHA1
c324827ed33bbca835ee83ad05bcc07ffeccd70f
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SHA256
317e1fc9ae3a6c277f074e3feea78daac6cf28a1dc262bb1206811f0b7a50d84
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SHA512
c243cd54206a70f4000ae454f160cb71bb0fc7a132e0664eac85cc262de5100837558bcdb057789eba3629f2fe4fcddbfa618f0cd1be892761e0f46ea3a85ab9
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SSDEEP
6144:V3EmWPDNND9yRPzLq+YXFqaZiMLic9kzVd7EAC4TSs9EiW:6mWhND9yJz+b1FcMLmp2ATTSsdW
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\317e1fc9ae3a6c277f074e3feea78daac6cf28a1dc262bb1206811f0b7a50d84N.exe"C:\Users\Admin\AppData\Local\Temp\317e1fc9ae3a6c277f074e3feea78daac6cf28a1dc262bb1206811f0b7a50d84N.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
42KB
MD54f8280ecc506102161e3bc7ddcbc4502
SHA1e2f1a6ce318d645dcca8a24f8c3d3692a62a2384
SHA256373cce10f961df702c2596bcb26010eb2829d281eff53e7139908b10bbfa4e55
SHA512a585f2b79c82d19c4166bf04e10c84e3b16a80341c793ea5a05b4bfefdde93dd8ef94ef75cadf8167415ce38cee5cbeb46fc09d87b96178f4713fc361ff4bf69
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Filesize
355KB
MD5bcae7002eb41b5034bf1520f6b7c80bc
SHA1b6e17e0a0faa8ed36385a59ac388440a6b8ddb47
SHA256073bcb8b44896fc302c5218fcff5b6156eb2eae15a21101ffe42077739417e24
SHA512a477e6ec17367200bd21f2e0bb6ecfacbdc89fbc2ab333df796f222aca0cf2391ce4f6501247f5157066231fafd6a3f8b25b99ce8674ffcf4fde4a88168e4cb5
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Filesize
672KB
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Filesize
672KB
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Filesize
672KB
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672KB
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672KB
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Filesize
672KB
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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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Filesize
380KB