Analysis
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max time kernel
116s -
max time network
120s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
03-01-2025 18:42
General
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Target
836461de32882d61e1502913093802f24bd92170847c59d8ee9c6e2cfbda373bN.exe
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Size
212KB
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MD5
9301d904b5ba6a6ba985cfa7ad1357c0
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SHA1
8b42b4f0b385f000d116beb2b3cd46232022b179
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SHA256
836461de32882d61e1502913093802f24bd92170847c59d8ee9c6e2cfbda373b
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SHA512
ed1f792e4965e6190433b0296e83d7eb2508132262abfbda581578ff0a87f09ba58463c806d9814e45bfb0b3f941bf0bbf5f024295f02df3943a9cdafd14399a
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SSDEEP
3072:xGwPsm1VrwxOsf0juzv8j4P1Hr6krr4IEhx9QZe2gO9mG9UHA30Vt3E/vDjb8:xG/iVkO20SFgBhxtW9mG9+Umt3Ezjb8
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\836461de32882d61e1502913093802f24bd92170847c59d8ee9c6e2cfbda373bN.exe"C:\Users\Admin\AppData\Local\Temp\836461de32882d61e1502913093802f24bd92170847c59d8ee9c6e2cfbda373bN.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
212KB
MD5c9781a114856341ca55795c9241ad746
SHA11d8fa3092fdf7196c0fd2fa20a9dc2eca09ce7d4
SHA256e3672475de261b67029f03553ad07c3bb4d1d96547f680c9f3b1acad8ebcdefe
SHA512f736c88b78e5c934a5265a05dc36503ba43780034e0cf17d6e31c3cb8b89f6c4c922c1660b1bcd8a161abb49b37fa918cf22e9cd6bd320fc81434de742f688e5
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Filesize
1.7MB
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Filesize
324KB
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Filesize
380KB
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Filesize
380KB
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Filesize
324KB
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Filesize
1.7MB
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Filesize
1.7MB
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Filesize
1.7MB
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Filesize
1.7MB
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Filesize
672KB
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Filesize
1.7MB
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728KB
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