Analysis
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max time kernel
111s -
max time network
120s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-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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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\041a92c07a58062355dc226fd0f1264eac81a7b58528c5c80353d4d32e73e9caN.exe"C:\Users\Admin\AppData\Local\Temp\041a92c07a58062355dc226fd0f1264eac81a7b58528c5c80353d4d32e73e9caN.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
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Downloads
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Filesize
208KB
MD560e3067cfe119aacfe45aa21937f2cf1
SHA19f71332feff54ea38f06f24ad1e03ffd5fb01b0d
SHA256d25fdf0b95f01c2bdf066d8ab3d4e60fd78a27bb60cb8e064224ef0fe4b9c828
SHA512a1a13152297db1634bc591669278edae336f6664d7a93cd5ec561f0c0d549b9cad9084da52924f1e8e09de29e52fb4775bad24721d20cf171c019ac7b19f6302
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Filesize
796KB
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Filesize
324KB
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Filesize
380KB
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380KB
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Filesize
324KB
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Filesize
796KB
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796KB
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796KB
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796KB
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Filesize
672KB
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Filesize
796KB
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