Analysis
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max time kernel
148s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
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submitted
01-01-2025 00:54
General
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Target
924d14e66bca2af74a0b6f9009531c5bafaacf1dc7c1e1ec1407c6a33b81473d.exe
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Size
208KB
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MD5
7a1fdbfe323fc445fd8f2423eef85e1a
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SHA1
abf4f5b3b5faff7758fdfb6dfac5546b6666efd6
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SHA256
924d14e66bca2af74a0b6f9009531c5bafaacf1dc7c1e1ec1407c6a33b81473d
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SHA512
29457d06d078441b9874a3adf544215b2218835bd3af6965489e462d66c28cda0e3c325648e013575b6c4698341b52a8df591a7bb6feb2a03d79c1913ceb8379
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SSDEEP
6144:ba1oB/yvpK0JCmRcRRR8N0e2kXfCqNidkfk:bbapK0JCmRcU9vVokf
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\924d14e66bca2af74a0b6f9009531c5bafaacf1dc7c1e1ec1407c6a33b81473d.exe"C:\Users\Admin\AppData\Local\Temp\924d14e66bca2af74a0b6f9009531c5bafaacf1dc7c1e1ec1407c6a33b81473d.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
208KB
MD551007356a8d3c7b3e9691efcde1ebb6f
SHA1dd8388cbdac0c8cd6acef08a126caec263bc8898
SHA256b0c4171454a0cf45d3a4d933a97f47ec8fe7202db1465d1a748f0849ed09ce4e
SHA51222f48b5bbcaf95397623c59a1b2d8d82568d37bbdf9fca2e3b37b41758c8eed9a314d1aa299411c74b0366b1f786cfd635c1ee40d291dc5ddb081e4c0437cacd
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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
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Filesize
412KB
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Filesize
412KB
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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
412KB
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Filesize
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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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