Analysis
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max time kernel
118s -
max time network
120s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
22-12-2024 00:32
General
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Target
42c4de5dace458227793a12d06a27b0682844076af4c51e73e54322e895f8bf3N.exe
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Size
204KB
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MD5
aa85749d8d6dc57f689ba05531e612d0
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SHA1
183d614c1162de276065e1e2a38df171f0ae9a11
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SHA256
42c4de5dace458227793a12d06a27b0682844076af4c51e73e54322e895f8bf3
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SHA512
558ad3aa52d1e4640216f35e94ec16f2a00519ae1c7d25487bd28994ffc9090526bea23842546e751e7089f2f11410cdb89b14c969a3081d0fe61fe75d0386e9
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SSDEEP
3072:65u7yT4TVbkuRaX1w71jnRkCoyJTarYWbV+HOFxg+z1WxJsqWkoyjOowUVl/TlAQ:6LexkuRaX41xoyJV65gzyZko+uc
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\42c4de5dace458227793a12d06a27b0682844076af4c51e73e54322e895f8bf3N.exe"C:\Users\Admin\AppData\Local\Temp\42c4de5dace458227793a12d06a27b0682844076af4c51e73e54322e895f8bf3N.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
204KB
MD54e0a236205bb521fd3e570f43a6257bf
SHA187d43157fdf6a612fe559ed7bfff841ff97ed737
SHA256de246abb6eab3bb7fe7bc19407f5b997fcf9d486fe2b03366905d0eff837df78
SHA512e4d71c84200b78d44bb4df7ba0a35fb46f42c725feea5beb9afa7ccbcf80975e03fb2f02ea88151878b022e4d8f5c3998b16e2d62da4328c4253effd69fe4e35
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Filesize
1.5MB
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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
1.5MB
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Filesize
1.5MB
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1.5MB
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Filesize
1.5MB
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Filesize
672KB
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Filesize
1.5MB
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728KB
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