Analysis
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max time kernel
31s -
max time network
33s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
20-02-2023 10:12
Behavioral task
behavioral1
Sample
c23d418ff605240a76a03158e3595f1e09b66ac8817df2b41329f4b94ccebc16.dll
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
c23d418ff605240a76a03158e3595f1e09b66ac8817df2b41329f4b94ccebc16.dll
Resource
win10v2004-20220812-en
General
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Target
c23d418ff605240a76a03158e3595f1e09b66ac8817df2b41329f4b94ccebc16.dll
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Size
393KB
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MD5
9210fc8d094ae70c58cfdce6a57720de
-
SHA1
4eff590916f5956451cbe053bed955936747c1d5
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SHA256
c23d418ff605240a76a03158e3595f1e09b66ac8817df2b41329f4b94ccebc16
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SHA512
b32f91c3f1f4328316b8c523f08a04f61eebef5b96438580a1caa68c702832897a0792d40d38294eb443d16c64da1ec94c42f07cba4d0587e3ca925c88f9cb47
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SSDEEP
12288:xXh6mhXRHGVtRaGwimcXO916kfyJGDkFgXl9htXa:xX4eHcRaGwiw6kgGcgXlDtq
Malware Config
Signatures
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Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 1720 1520 WerFault.exe rundll32.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
rundll32.exerundll32.exedescription pid process target process PID 792 wrote to memory of 1520 792 rundll32.exe rundll32.exe PID 792 wrote to memory of 1520 792 rundll32.exe rundll32.exe PID 792 wrote to memory of 1520 792 rundll32.exe rundll32.exe PID 792 wrote to memory of 1520 792 rundll32.exe rundll32.exe PID 792 wrote to memory of 1520 792 rundll32.exe rundll32.exe PID 792 wrote to memory of 1520 792 rundll32.exe rundll32.exe PID 792 wrote to memory of 1520 792 rundll32.exe rundll32.exe PID 1520 wrote to memory of 1720 1520 rundll32.exe WerFault.exe PID 1520 wrote to memory of 1720 1520 rundll32.exe WerFault.exe PID 1520 wrote to memory of 1720 1520 rundll32.exe WerFault.exe PID 1520 wrote to memory of 1720 1520 rundll32.exe WerFault.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\c23d418ff605240a76a03158e3595f1e09b66ac8817df2b41329f4b94ccebc16.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\c23d418ff605240a76a03158e3595f1e09b66ac8817df2b41329f4b94ccebc16.dll,#12⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1520 -s 2643⤵
- Program crash
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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memory/1520-54-0x0000000000000000-mapping.dmp
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memory/1520-55-0x00000000763D1000-0x00000000763D3000-memory.dmpFilesize
8KB
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memory/1520-57-0x00000000007F0000-0x00000000008E1000-memory.dmpFilesize
964KB
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memory/1520-56-0x00000000007F0000-0x00000000008E1000-memory.dmpFilesize
964KB
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memory/1520-58-0x00000000007F0000-0x00000000008E1000-memory.dmpFilesize
964KB
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memory/1520-60-0x00000000007F0000-0x00000000008E1000-memory.dmpFilesize
964KB
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memory/1720-59-0x0000000000000000-mapping.dmp