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Analysis
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max time kernel
117s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
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submitted
01/01/2025, 22:37
General
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Target
935f7046419595211f30a933b103da80e6b7c0d6728fa121f17426a13aec64ec.exe
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Size
208KB
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MD5
19ec7aeaf821b7e4668a914ba1947b7c
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SHA1
c1a69b5a68842c87f53ffbf924e399fd93b95eae
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SHA256
935f7046419595211f30a933b103da80e6b7c0d6728fa121f17426a13aec64ec
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SHA512
520dac4acf892983da7495ea20d538b7ce0538e969e70b75c6974bbfa8b49f365c9972ebf66e18a9030a753e7c9cbc8d12464de3fd1417249550bbcdfbb0d4e2
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SSDEEP
6144:ra1oB/yvpK0JCmRcRRR8N0e2kXfCqNidkfkg:rbapK0JCmRcU9vVokfR
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 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 7 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\935f7046419595211f30a933b103da80e6b7c0d6728fa121f17426a13aec64ec.exe"C:\Users\Admin\AppData\Local\Temp\935f7046419595211f30a933b103da80e6b7c0d6728fa121f17426a13aec64ec.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
1KB
MD5a56934750d3054c14d4ab4aa6d461892
SHA1ec6be49bdd68511b12bd95580c3e199cb43633f6
SHA2565a65c97960fa1b4c6da60d5fda144294b9ad43ab26dcc637d720792c7a6e56ac
SHA5127b4937574d0c0fc716dffcafbda8eef1cfb69502b43f7448d69c2059912efbc43e0c0d533d96ddeb4322cb48647069ee067da582a1a7b92501dd457d999fc3aa
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Filesize
208KB
MD5d9192c6d0723336208017aedad70e265
SHA15ea486ed5773e697ecaa78dcba3a2c8f3ecf0618
SHA256133853b52d9b27f75924046bde94f715362e407ae52a397096c7e513e79fb34a
SHA5120c6902a6174b6fe9941c0d9586620f2d21c461fbc48ff857ee745f659b339eb5b82ce635fd73ba640db263b7de5f6337c1e0b992ae05e530dfdc11935d05c4dd
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Filesize
728KB
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Filesize
728KB
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Filesize
412KB
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Filesize
672KB
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Filesize
672KB
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Filesize
412KB
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Filesize
672KB
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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
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
412KB
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Filesize
12KB
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Filesize
380KB
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Filesize
380KB
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Filesize
12KB
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Filesize
412KB