Analysis
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max time kernel
118s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
31-05-2024 08:42
Static task
static1
Behavioral task
behavioral1
Sample
59ac1b76180d491293be58b14b7aee0070e232202445bb9eea676c8fa3c381da.dll
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
59ac1b76180d491293be58b14b7aee0070e232202445bb9eea676c8fa3c381da.dll
Resource
win10v2004-20240426-en
General
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Target
59ac1b76180d491293be58b14b7aee0070e232202445bb9eea676c8fa3c381da.dll
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Size
257KB
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MD5
d1dc9cd84b9ba5e462e9f76513928d42
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SHA1
0f2df217f5970048692bc2365a07c7cd52c55c17
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SHA256
59ac1b76180d491293be58b14b7aee0070e232202445bb9eea676c8fa3c381da
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SHA512
599051b030f54a589fff0b0977f69cd5adbadb7393b45db831debdd41cbf85252a1019041bad3fae48f981a71ff9b2118343ab01e69c90963e4ea53c5c74503e
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SSDEEP
6144:mqhaoZZRrvPJtomDFQv8ldJ6EkJOcT4sOXGOrrlae+q92:m8ftLromBQv+dMeerOrrlPJ92
Malware Config
Signatures
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Drops file in System32 directory 4 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\.obs32\{4F4D4544-4DEFB15F-B421206A-EB91457D}.Debug rundll32.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Obsidium\{4F4D4544-4DEFB15F-B421206A-EB91457D}.Environment rundll32.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\.obs32\{4F4D4544-4DEFB15F-B421206A-EB91457D}.Debug rundll32.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Obsidium\{4F4D4544-4DEFB15F-B421206A-EB91457D}.Environment rundll32.exe -
Modifies data under HKEY_USERS 1 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Control Panel\International rundll32.exe -
Suspicious use of WriteProcessMemory 21 IoCs
description pid Process procid_target PID 2240 wrote to memory of 2288 2240 rundll32.exe 28 PID 2240 wrote to memory of 2288 2240 rundll32.exe 28 PID 2240 wrote to memory of 2288 2240 rundll32.exe 28 PID 2240 wrote to memory of 2288 2240 rundll32.exe 28 PID 2240 wrote to memory of 2288 2240 rundll32.exe 28 PID 2240 wrote to memory of 2288 2240 rundll32.exe 28 PID 2240 wrote to memory of 2288 2240 rundll32.exe 28 PID 3024 wrote to memory of 2952 3024 rundll32.exe 30 PID 3024 wrote to memory of 2952 3024 rundll32.exe 30 PID 3024 wrote to memory of 2952 3024 rundll32.exe 30 PID 3024 wrote to memory of 2952 3024 rundll32.exe 30 PID 3024 wrote to memory of 2952 3024 rundll32.exe 30 PID 3024 wrote to memory of 2952 3024 rundll32.exe 30 PID 3024 wrote to memory of 2952 3024 rundll32.exe 30 PID 2952 wrote to memory of 2616 2952 rundll32.exe 31 PID 2952 wrote to memory of 2616 2952 rundll32.exe 31 PID 2952 wrote to memory of 2616 2952 rundll32.exe 31 PID 2952 wrote to memory of 2616 2952 rundll32.exe 31 PID 2952 wrote to memory of 2616 2952 rundll32.exe 31 PID 2952 wrote to memory of 2616 2952 rundll32.exe 31 PID 2952 wrote to memory of 2616 2952 rundll32.exe 31
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\59ac1b76180d491293be58b14b7aee0070e232202445bb9eea676c8fa3c381da.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2240 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\59ac1b76180d491293be58b14b7aee0070e232202445bb9eea676c8fa3c381da.dll,#12⤵PID:2288
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\59ac1b76180d491293be58b14b7aee0070e232202445bb9eea676c8fa3c381da.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:3024 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\59ac1b76180d491293be58b14b7aee0070e232202445bb9eea676c8fa3c381da.dll,#12⤵
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:2952 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\59ac1b76180d491293be58b14b7aee0070e232202445bb9eea676c8fa3c381da.dll,#13⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
PID:2616
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