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
03-01-2025 22:39
General
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Target
041a92c07a58062355dc226fd0f1264eac81a7b58528c5c80353d4d32e73e9caN.exe
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Size
208KB
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MD5
e27f19367897d4e681593ca950a9f3a0
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SHA1
254b67c9b6d946c09ad6b1e7fc41a3dd14dd94a8
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SHA256
041a92c07a58062355dc226fd0f1264eac81a7b58528c5c80353d4d32e73e9ca
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SHA512
0336afda575d453dfb3fcacb80c0e73ca08fd587718ed9ddbb05218cf5d823e91a9ffa3fb8a5d30a4785936c264a8e8d1651663bb8e29d19c9baf6359afd11aa
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SSDEEP
6144:gOYX27lPBA3YDMw4lj6idlMlwl7/79C87:gwBAy0rlMI5
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\041a92c07a58062355dc226fd0f1264eac81a7b58528c5c80353d4d32e73e9caN.exe"C:\Users\Admin\AppData\Local\Temp\041a92c07a58062355dc226fd0f1264eac81a7b58528c5c80353d4d32e73e9caN.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
208KB
MD59974780fda38d3a7799fca00ff28bb38
SHA1e3d2fda3e7c00694510f2d27b47e827981be7502
SHA25641d79459515b82eb314de1dff1140834e5b5dffdedc58f166e03ef95994abccb
SHA512795d8c6134c10938ddd27456ea7db02ee12587e9a44d4bed5198058c93ea4a5a63f48c6afe9072bb46be9c23eae48fb4b2a426ca18f564b79c5feec7949bc220
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Filesize
728KB
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Filesize
728KB
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Filesize
796KB
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Filesize
672KB
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Filesize
728KB
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Filesize
728KB
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Filesize
796KB
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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
672KB
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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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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
796KB
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Filesize
796KB
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Filesize
728KB
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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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Filesize
728KB
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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
796KB
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Filesize
380KB
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Filesize
324KB
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Filesize
796KB
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Filesize
380KB
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Filesize
324KB