Analysis
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max time kernel
39s -
max time network
46s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
05/12/2022, 15:01
Static task
static1
Behavioral task
behavioral1
Sample
3c03fd736d8b546f09ce9a7a3b111b9c9a83cbd3508551761cd82bd09dd7cae2.dll
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
3c03fd736d8b546f09ce9a7a3b111b9c9a83cbd3508551761cd82bd09dd7cae2.dll
Resource
win10v2004-20220901-en
General
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Target
3c03fd736d8b546f09ce9a7a3b111b9c9a83cbd3508551761cd82bd09dd7cae2.dll
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Size
336KB
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MD5
1dbecf74295bf974e750d8085d7d381c
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SHA1
b961d46f8e62781fc11a9f871796f08e67d140d6
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SHA256
3c03fd736d8b546f09ce9a7a3b111b9c9a83cbd3508551761cd82bd09dd7cae2
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SHA512
a82fa544bcabf12b3d8ff4ba3c2588cbf7b178505f6c35e869556c6a2ca3beb80b13954e45b0ba631c1b1f682c7007f7c1ad45dc26818f925d854a60f99cbbf1
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SSDEEP
6144:NoqXbMFUi5M0duytjciVEM9zzYxbaSvDIxhcMjzRGjwPXWS2:bLUUotjciVEMwbaSbNSI0PXWj
Malware Config
Signatures
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\3c03fd736d8b546f09ce9a7a3b111b9c9a83cbd3508551761cd82bd09dd7cae2 = "rundll32.exe C:\\Users\\Admin\\AppData\\Local\\Temp\\3c03fd736d8b546f09ce9a7a3b111b9c9a83cbd3508551761cd82bd09dd7cae2.dll,#1" rundll32.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 980 1968 WerFault.exe 28 -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 1976 wrote to memory of 1968 1976 rundll32.exe 28 PID 1976 wrote to memory of 1968 1976 rundll32.exe 28 PID 1976 wrote to memory of 1968 1976 rundll32.exe 28 PID 1976 wrote to memory of 1968 1976 rundll32.exe 28 PID 1976 wrote to memory of 1968 1976 rundll32.exe 28 PID 1976 wrote to memory of 1968 1976 rundll32.exe 28 PID 1976 wrote to memory of 1968 1976 rundll32.exe 28 PID 1968 wrote to memory of 980 1968 rundll32.exe 29 PID 1968 wrote to memory of 980 1968 rundll32.exe 29 PID 1968 wrote to memory of 980 1968 rundll32.exe 29 PID 1968 wrote to memory of 980 1968 rundll32.exe 29
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\3c03fd736d8b546f09ce9a7a3b111b9c9a83cbd3508551761cd82bd09dd7cae2.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1976 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\3c03fd736d8b546f09ce9a7a3b111b9c9a83cbd3508551761cd82bd09dd7cae2.dll,#12⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1968 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1968 -s 3643⤵
- Program crash
PID:980
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