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Analysis
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max time kernel
119s -
max time network
124s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
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submitted
03/01/2025, 18:56
General
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Target
c72f73e3fe52b8a661614ae1f72df6e204adba290fe8395937b458e60db2697cN.exe
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Size
355KB
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MD5
c4964657d88bb7a5814aa9276a619ff0
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SHA1
96776799e593fdbebe79a383ff566222c620f192
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SHA256
c72f73e3fe52b8a661614ae1f72df6e204adba290fe8395937b458e60db2697c
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SHA512
68865ced39d53278264a8dafc59ff5ec726538117935e6bb6a40a94e62462faaa82692015c67ff98aea3606bb3321f9c1403ff03757b579fa84ade17e9e4fe43
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SSDEEP
6144:+3EmWPDNND9yRPzLq+YXFqaZiMLic9kzVd7EAC4TSs9EiS:ZmWhND9yJz+b1FcMLmp2ATTSsdS
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\c72f73e3fe52b8a661614ae1f72df6e204adba290fe8395937b458e60db2697cN.exe"C:\Users\Admin\AppData\Local\Temp\c72f73e3fe52b8a661614ae1f72df6e204adba290fe8395937b458e60db2697cN.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
355KB
MD5ea4a4bebb16c3a1e84aa6de9bc146842
SHA12b00f5ac289a56e623df7a0ca001ba2687b9b3b4
SHA256dd58514c3bbbe70e33afd4285fc7e1bbea33cd10aa766e043269b75937c64034
SHA512281a40106a17194f62d0e08f77c36c3a86eda3562e9a450b02e77a70a7a0c2ff79f88467ed554275e1083156d00ccdbcefb0e47fc1821d6625264d06328e705e
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Filesize
380KB
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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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672KB
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672KB
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728KB
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