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Analysis
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max time kernel
118s -
max time network
124s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
23/01/2024, 12:59
Static task
static1
Behavioral task
behavioral1
Sample
07117c02a09410f47a326b52c7f17407e63ba5e6ff97277446efc75b862d2799.dll
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
07117c02a09410f47a326b52c7f17407e63ba5e6ff97277446efc75b862d2799.dll
Resource
win10v2004-20231215-en
General
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Target
07117c02a09410f47a326b52c7f17407e63ba5e6ff97277446efc75b862d2799.dll
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Size
838KB
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MD5
afa27795c0c86b6afeb138d0fb09506b
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SHA1
d32e44f7e04a8c84e7159ed020dcf26b6e51416e
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SHA256
07117c02a09410f47a326b52c7f17407e63ba5e6ff97277446efc75b862d2799
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SHA512
85e92d60000981d836c8fe102a191e21c94f6add14fef0dd33816060699dfa5a05e1db38bd8b7194ad9e1ff30240bfdf807f91d0abe535733e2a2fc1d7264fc0
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SSDEEP
24576:pyAo7FAIP03acBtXWKe25ep59MxQU08wHG3MJAQof1hB:Lo7ARBtmKe28MSU08wHaM6Qo1hB
Malware Config
Signatures
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Modifies registry class 3 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.agnkdbd5y\DefaultIcon rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.agnkdbd5y rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.agnkdbd5y\DefaultIcon\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\fkdjsadasd.ico" rundll32.exe -
Opens file in notepad (likely ransom note) 1 IoCs
pid Process 1728 notepad.exe -
Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 2028 wrote to memory of 2092 2028 rundll32.exe 28 PID 2028 wrote to memory of 2092 2028 rundll32.exe 28 PID 2028 wrote to memory of 2092 2028 rundll32.exe 28 PID 2028 wrote to memory of 2092 2028 rundll32.exe 28 PID 2028 wrote to memory of 2092 2028 rundll32.exe 28 PID 2028 wrote to memory of 2092 2028 rundll32.exe 28 PID 2028 wrote to memory of 2092 2028 rundll32.exe 28 PID 2092 wrote to memory of 2780 2092 rundll32.exe 30 PID 2092 wrote to memory of 2780 2092 rundll32.exe 30 PID 2092 wrote to memory of 2780 2092 rundll32.exe 30 PID 2092 wrote to memory of 2780 2092 rundll32.exe 30 PID 2780 wrote to memory of 1728 2780 cmd.exe 32 PID 2780 wrote to memory of 1728 2780 cmd.exe 32 PID 2780 wrote to memory of 1728 2780 cmd.exe 32 PID 2780 wrote to memory of 1728 2780 cmd.exe 32
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\07117c02a09410f47a326b52c7f17407e63ba5e6ff97277446efc75b862d2799.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2028 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\07117c02a09410f47a326b52c7f17407e63ba5e6ff97277446efc75b862d2799.dll,#12⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2092 -
C:\Windows\SysWOW64\cmd.execmd.exe /c start /MAX notepad.exe c:\instructions_read_me.txt3⤵
- Suspicious use of WriteProcessMemory
PID:2780 -
C:\Windows\SysWOW64\notepad.exenotepad.exe c:\instructions_read_me.txt4⤵
- Opens file in notepad (likely ransom note)
PID:1728
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