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Analysis
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max time kernel
147s -
max time network
148s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
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submitted
21/01/2025, 21:55
General
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Target
23edb53b418a41addc233dd18b8cedde5c27603e53be7e35c976c71f10fa28ff.exe
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Size
355KB
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MD5
1c1600535fba0d5b6162afed6203fc7f
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SHA1
046c6eb7cd3ce56150c34f8665670b2272f1024b
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SHA256
23edb53b418a41addc233dd18b8cedde5c27603e53be7e35c976c71f10fa28ff
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SHA512
89005095661e6f3326e4535ccebf0e16011aa08bd55743b4c79b76360ccbda4bd89820ca85b9512b24de1340769cd59e44b947442f8f3486755012d4fa3b2290
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SSDEEP
6144:igEmWPDNND9yRPzLq+YXFqaZiMLic9kzVd7EAC4TSs9Ei:EmWhND9yJz+b1FcMLmp2ATTSsd
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\23edb53b418a41addc233dd18b8cedde5c27603e53be7e35c976c71f10fa28ff.exe"C:\Users\Admin\AppData\Local\Temp\23edb53b418a41addc233dd18b8cedde5c27603e53be7e35c976c71f10fa28ff.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
481B
MD59f8342419dfb0128749506803eaf18d1
SHA13e943aa72cba76d2b000ff738c4719f234d521d8
SHA2563b8c952a53a0005ba172b6905cf2889e522da223577b1277a31773fb28a544c3
SHA5128f64206e8ebafebcfecf3160a25e6cc985e56ea46fe416d11560d3d0325c8058ac6f2f92a5c6a061507dbbd0f1990c9a9d2d68ecfe92804c9af049eff10bcc68
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Filesize
355KB
MD59a78a0d38d39ba4f8ecdeb73e4821c15
SHA12309f910d49577dcbaac667d7c9627066b60e237
SHA2567e771062124c7e9a2a5aa4f2f934c085ecad7ad1d4c818244eef5b48e158c676
SHA51298a8c3b7a3f29c73eb78162b547df4389980c417882bee5f7818cfa5a21f0e493e9d2d29da559c4ca7569834e87ca49f3553e2193f19ed69c0c5eabeda26c728
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Filesize
672KB
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Filesize
672KB
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672KB
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Filesize
672KB
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Filesize
672KB
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672KB
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Filesize
728KB
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Filesize
380KB