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Analysis
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max time kernel
117s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
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submitted
26/12/2024, 07:49
General
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Target
216579d2738bc0abb7b7ae41c8bdabdce1b9d096bb0ad63dc22bc435099e2573N.exe
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Size
355KB
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MD5
84d753db52a442d186bc34823d677ea0
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SHA1
f675240a60d67a5549cb4be5a7d9e174840fcd35
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SHA256
216579d2738bc0abb7b7ae41c8bdabdce1b9d096bb0ad63dc22bc435099e2573
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SHA512
90e4d8c23df3ba80ddab5fc1b9400c4c3835c77d351b01953f000b4d16d047a41fb79a1da0dab004ab73649956e6344905d0df0415bbf8b573dc115114c661e2
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SSDEEP
6144:o3EmWPDNND9yRPzLq+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\216579d2738bc0abb7b7ae41c8bdabdce1b9d096bb0ad63dc22bc435099e2573N.exe"C:\Users\Admin\AppData\Local\Temp\216579d2738bc0abb7b7ae41c8bdabdce1b9d096bb0ad63dc22bc435099e2573N.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
42KB
MD5beb57bcb6ef879b4252fb543da8402fc
SHA145f9730a11f4f96f679430c62d2e5765195ad700
SHA256ef446668b5567de08de356f71fa92604711d952bc73194f76add38992171083a
SHA512f449917bba38dd867222925da5f7c6b110f4f1722329768d4ea5dd757a7b2c1a39d69438f06ad1937ea2457d359333f997087be4a2a7b224804ef372a616d0a4
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Filesize
355KB
MD5a832b065559b8f52b9f68d6b94967eaf
SHA131d150a0dc159a5ad549d0b081c7cca07c7107e7
SHA256b033cef087a925134e000560edce544b815b89c74c2b1d4e22049b8a7fc36913
SHA5125ad3b6f9b2d7a197fd083118ae1a832b6a05768b82d462ee87a27bae2f87b2c085fd38cfc2ba128e2ac320cf82f290dd8383a263fa5d5ce03262faad30ae5950
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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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Filesize
672KB
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Filesize
728KB
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