Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
05-01-2025 00:58
General
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Target
75ec89935248ea5a7e527c95bc3550083ad143b0b5ffe7dfa9de2c9f7e0f6370.exe
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Size
355KB
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MD5
5c00823025300d5d7e501322617e1e29
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SHA1
2d79ac9e6e445f97ca93b6ecc7fa7a1303679a6f
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SHA256
75ec89935248ea5a7e527c95bc3550083ad143b0b5ffe7dfa9de2c9f7e0f6370
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SHA512
18c0571037ab8dbf1a224818009bd6e7c2a66f7e1ce51c3520bb193f9282008a42983240e2ea7684c5f989498d7f19133d00732a4960461ccfee8d84da431ed9
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SSDEEP
6144:73EmWPDNND9yRPzLq+YXFqaZiMLic9kzVd7EAC4TSs9EiS:YmWhND9yJz+b1FcMLmp2ATTSsdS
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\75ec89935248ea5a7e527c95bc3550083ad143b0b5ffe7dfa9de2c9f7e0f6370.exe"C:\Users\Admin\AppData\Local\Temp\75ec89935248ea5a7e527c95bc3550083ad143b0b5ffe7dfa9de2c9f7e0f6370.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
593B
MD5926512864979bc27cf187f1de3f57aff
SHA1acdeb9d6187932613c7fa08eaf28f0cd8116f4b5
SHA256b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f
SHA512f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b
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Filesize
12KB
MD5caa300673c11a7627a7b6346e1a93b61
SHA17ecaf36f1e150c478b6cfc3446ec7f0c662c071a
SHA25642ae110a0ecd0d83c4f12314d42a585354b501856dc3c7b483123fcbc317f2aa
SHA512f11f1182d2fdc14b2c64e2221091e318f76c9a41824977c1a93bf2077300bba919ca4a01c80340c4c20d239ac6dbadf091f544891f0ec72df62a6cc11231faa6
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Filesize
24KB
MD54ebfe6394eeff9725bb063457df08c7c
SHA1a139156ebfbf047f94277248ccc2b2a42a341864
SHA256f2274f189e98a917edd0486c08c9076e648f6d30c77d4ac1bd4a8e63ea685e4b
SHA512a6dcf91295061f98b3c185a1d5420a87d08df69aa19a4a85f06ca3537e219ed1c8cbf94ead565a754d04818b58370cb4e5f43eaab03568d68ff5509dd6ee02fd
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Filesize
61KB
MD5268b94d15e4afafee57f763fc77aed79
SHA175e08cdc0283fa871c7029b8a6eb60818c137faa
SHA256e32d0cdd3a06b3180f04c999fa1bf81d80259232ef0c3e3d914ee2477ac2cde5
SHA51251f46d895e8d6919c33b04cec6a9925da1bc8e81309ee6f1b41b3e734280c26b8b13d057b8b6f1d7867a1ef6d2ef4e074a42c01a059da08894d6f8ee76342ba3
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Filesize
355KB
MD5bdb815306d1243eae5ef3e7a50276c87
SHA1188b81c7f70e825884bcfc5fa2e1fa53e3273831
SHA2568e6ac8f1c0960f653eb2ebd8f594ebd0cd0afa4caa973322b8a0fa5b6d76446e
SHA5123cf546faa7fc36a06f874c98057c3406420844eebb7ca79d615a4ba245ff255a37cd75c9deef902a94ff6fe445126831d5b1f6c7ea398c5029069711c6b2456d
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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
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
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
380KB