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Analysis
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max time kernel
120s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
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submitted
19/12/2024, 08:45
General
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Target
8dc47bcab58b6b00866428b48962a9ce9c4aea0f95704a63249c9cc6307fe0c2.exe
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Size
375KB
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MD5
72961f3f7a8686c7d6c76e4e8273c2e7
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SHA1
e901ca470cbff013a18bceb4253e5d01c6b0d1df
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SHA256
8dc47bcab58b6b00866428b48962a9ce9c4aea0f95704a63249c9cc6307fe0c2
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SHA512
bbd00a1b038c060140de1fd4250e655cbd5d3b6e2fdd6228784bdce6eab3098911e9c99547943fc9a500bd80fa615e3d1d61230047e280fc848f25d3c936e8bb
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SSDEEP
6144:R3EmWPDNND9yRPzLq+YXFqaZiMLic9kzVd7EAC4TSs9Eis:WmWhND9yJz+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\8dc47bcab58b6b00866428b48962a9ce9c4aea0f95704a63249c9cc6307fe0c2.exe"C:\Users\Admin\AppData\Local\Temp\8dc47bcab58b6b00866428b48962a9ce9c4aea0f95704a63249c9cc6307fe0c2.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
1KB
MD56dd81a48d1d842d7f022a36c25d8e477
SHA1a6702faeffb456ce21b286bc965371e71f23a9fe
SHA2569207d514f3b3130206768d7663c2fa8bd625fac1ff949b23a3ff16982fd2015f
SHA512dea39e7d04574c8f722e265a88fd5fe6da264b54c8bfd2735243671b7ef41ed4eb6f12737e62adcdf006a4960deeca7ddbebe3aae0db478441104ddb8ef31e15
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Filesize
375KB
MD5a6bc1db8e5f5ddc3971f5d4d9eea7d31
SHA1f71e9bbf2bd1d36f3b8af75b9a0711cbf8d987c9
SHA2562f4e4650ea697446fe2abb4688408eb96f53a7cd0423a4583c171f4bfa3f1496
SHA51231d8789233e9a3952a506ac05a2bd91be3cf36141d6ab0e57c0001100caf2af6c2af3b9a2d06771c3d84d5aab7ed5ceb414d1f4457e5973cf07381e58a0fcbce
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Filesize
400KB
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Filesize
672KB
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Filesize
672KB
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Filesize
672KB
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Filesize
672KB
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Filesize
672KB
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Filesize
672KB
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Filesize
728KB
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Filesize
728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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Filesize
400KB
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Filesize
728KB
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Filesize
400KB
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Filesize
400KB