Analysis
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max time kernel
149s -
max time network
148s -
platform
windows11-21h2_x64 -
resource
win11-20240419-en -
resource tags
arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system -
submitted
21-06-2024 15:37
Static task
static1
Behavioral task
behavioral1
Sample
f75fbc05bbf3a9d9f9e2b67108f4d54eaf7582d10799385a5656b48ac10e86c6.exe
Resource
win10v2004-20240611-en
General
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Target
f75fbc05bbf3a9d9f9e2b67108f4d54eaf7582d10799385a5656b48ac10e86c6.exe
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Size
432KB
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MD5
aad42bb76a48e18ab273efef7548363d
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SHA1
0b09fabe2a854ded0c5b9050341eb17ced9f4c09
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SHA256
f75fbc05bbf3a9d9f9e2b67108f4d54eaf7582d10799385a5656b48ac10e86c6
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SHA512
5e58548ad6ff2a0237eea4d8a82695eab5031dca24a25c714f614b9e8fac0e90528cda0d80054f447288fcd9166e72729df32956784159b17ec378ae4278f216
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SSDEEP
6144:bnnUuLs75ZGyaragZ/IUY3F8reluB2BmxYNVGhi/H/h31lDNa/N:znUuLs75YyaraGtreQIBcwVZ/h3/B4N
Malware Config
Extracted
amadey
4.19
8fc809
http://nudump.com
http://otyt.ru
http://selltix.org
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install_dir
b739b37d80
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install_file
Dctooux.exe
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strings_key
65bac8d4c26069c29f1fd276f7af33f3
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url_paths
/forum/index.php
/forum2/index.php
/forum3/index.php
Signatures
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Executes dropped EXE 4 IoCs
Processes:
Dctooux.exeDctooux.exeDctooux.exeDctooux.exepid process 3144 Dctooux.exe 832 Dctooux.exe 1804 Dctooux.exe 2344 Dctooux.exe -
Drops file in Windows directory 1 IoCs
Processes:
f75fbc05bbf3a9d9f9e2b67108f4d54eaf7582d10799385a5656b48ac10e86c6.exedescription ioc process File created C:\Windows\Tasks\Dctooux.job f75fbc05bbf3a9d9f9e2b67108f4d54eaf7582d10799385a5656b48ac10e86c6.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 31 IoCs
Processes:
WerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exepid pid_target process target process 2768 4876 WerFault.exe f75fbc05bbf3a9d9f9e2b67108f4d54eaf7582d10799385a5656b48ac10e86c6.exe 3396 4876 WerFault.exe f75fbc05bbf3a9d9f9e2b67108f4d54eaf7582d10799385a5656b48ac10e86c6.exe 4556 4876 WerFault.exe f75fbc05bbf3a9d9f9e2b67108f4d54eaf7582d10799385a5656b48ac10e86c6.exe 4996 4876 WerFault.exe f75fbc05bbf3a9d9f9e2b67108f4d54eaf7582d10799385a5656b48ac10e86c6.exe 4428 4876 WerFault.exe f75fbc05bbf3a9d9f9e2b67108f4d54eaf7582d10799385a5656b48ac10e86c6.exe 2288 4876 WerFault.exe f75fbc05bbf3a9d9f9e2b67108f4d54eaf7582d10799385a5656b48ac10e86c6.exe 1772 4876 WerFault.exe f75fbc05bbf3a9d9f9e2b67108f4d54eaf7582d10799385a5656b48ac10e86c6.exe 772 4876 WerFault.exe f75fbc05bbf3a9d9f9e2b67108f4d54eaf7582d10799385a5656b48ac10e86c6.exe 872 4876 WerFault.exe f75fbc05bbf3a9d9f9e2b67108f4d54eaf7582d10799385a5656b48ac10e86c6.exe 4916 4876 WerFault.exe f75fbc05bbf3a9d9f9e2b67108f4d54eaf7582d10799385a5656b48ac10e86c6.exe 1852 3144 WerFault.exe Dctooux.exe 1928 3144 WerFault.exe Dctooux.exe 1876 3144 WerFault.exe Dctooux.exe 3572 3144 WerFault.exe Dctooux.exe 4552 3144 WerFault.exe Dctooux.exe 4992 3144 WerFault.exe Dctooux.exe 5036 3144 WerFault.exe Dctooux.exe 4056 3144 WerFault.exe Dctooux.exe 412 3144 WerFault.exe Dctooux.exe 4792 3144 WerFault.exe Dctooux.exe 3520 3144 WerFault.exe Dctooux.exe 2740 3144 WerFault.exe Dctooux.exe 4968 3144 WerFault.exe Dctooux.exe 5016 3144 WerFault.exe Dctooux.exe 1516 3144 WerFault.exe Dctooux.exe 4272 3144 WerFault.exe Dctooux.exe 3464 3144 WerFault.exe Dctooux.exe 1924 832 WerFault.exe Dctooux.exe 3556 1804 WerFault.exe Dctooux.exe 4280 3144 WerFault.exe Dctooux.exe 2172 2344 WerFault.exe Dctooux.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
f75fbc05bbf3a9d9f9e2b67108f4d54eaf7582d10799385a5656b48ac10e86c6.exepid process 4876 f75fbc05bbf3a9d9f9e2b67108f4d54eaf7582d10799385a5656b48ac10e86c6.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
f75fbc05bbf3a9d9f9e2b67108f4d54eaf7582d10799385a5656b48ac10e86c6.exedescription pid process target process PID 4876 wrote to memory of 3144 4876 f75fbc05bbf3a9d9f9e2b67108f4d54eaf7582d10799385a5656b48ac10e86c6.exe Dctooux.exe PID 4876 wrote to memory of 3144 4876 f75fbc05bbf3a9d9f9e2b67108f4d54eaf7582d10799385a5656b48ac10e86c6.exe Dctooux.exe PID 4876 wrote to memory of 3144 4876 f75fbc05bbf3a9d9f9e2b67108f4d54eaf7582d10799385a5656b48ac10e86c6.exe Dctooux.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\f75fbc05bbf3a9d9f9e2b67108f4d54eaf7582d10799385a5656b48ac10e86c6.exe"C:\Users\Admin\AppData\Local\Temp\f75fbc05bbf3a9d9f9e2b67108f4d54eaf7582d10799385a5656b48ac10e86c6.exe"1⤵
- Drops file in Windows directory
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4876 -s 7762⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4876 -s 8242⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4876 -s 8762⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4876 -s 9482⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4876 -s 9522⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4876 -s 8762⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4876 -s 10202⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4876 -s 10202⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4876 -s 11322⤵
- Program crash
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C:\Users\Admin\AppData\Local\Temp\b739b37d80\Dctooux.exe"C:\Users\Admin\AppData\Local\Temp\b739b37d80\Dctooux.exe"2⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3144 -s 5883⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3144 -s 6283⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3144 -s 6683⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3144 -s 7163⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3144 -s 7243⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3144 -s 8643⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3144 -s 6563⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3144 -s 9643⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3144 -s 10003⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3144 -s 7403⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3144 -s 10043⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3144 -s 10483⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3144 -s 12123⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3144 -s 14523⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3144 -s 14043⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3144 -s 14843⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3144 -s 15043⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3144 -s 6603⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4876 -s 12842⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 352 -p 4876 -ip 48761⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4876 -ip 48761⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4876 -ip 48761⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4876 -ip 48761⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 352 -p 4876 -ip 48761⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 4876 -ip 48761⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 500 -p 4876 -ip 48761⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 4876 -ip 48761⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 4876 -ip 48761⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 500 -p 4876 -ip 48761⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 352 -p 3144 -ip 31441⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3144 -ip 31441⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 3144 -ip 31441⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 3144 -ip 31441⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 3144 -ip 31441⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 3144 -ip 31441⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3144 -ip 31441⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 3144 -ip 31441⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 3144 -ip 31441⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3144 -ip 31441⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3144 -ip 31441⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3144 -ip 31441⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 3144 -ip 31441⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 3144 -ip 31441⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 352 -p 3144 -ip 31441⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 3144 -ip 31441⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 3144 -ip 31441⤵
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C:\Users\Admin\AppData\Local\Temp\b739b37d80\Dctooux.exeC:\Users\Admin\AppData\Local\Temp\b739b37d80\Dctooux.exe1⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 832 -s 4722⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 832 -ip 8321⤵
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C:\Users\Admin\AppData\Local\Temp\b739b37d80\Dctooux.exeC:\Users\Admin\AppData\Local\Temp\b739b37d80\Dctooux.exe1⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1804 -s 4882⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 1804 -ip 18041⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 576 -p 3144 -ip 31441⤵
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C:\Users\Admin\AppData\Local\Temp\b739b37d80\Dctooux.exeC:\Users\Admin\AppData\Local\Temp\b739b37d80\Dctooux.exe1⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2344 -s 4762⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 380 -p 2344 -ip 23441⤵
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\474490143322Filesize
73KB
MD5dcf8124fd9a7fc68f61a73bf178cfc10
SHA1247594a7fc503748a2dafcfc8c6b75ff3572d791
SHA256e845d9336dcc218bea7ba60ecb5fc4ddcda4ef06e54aecd7329da2d77b366291
SHA5126100e00afe61d9c90d76c21ae408d333f2aa2f256fbf5bc6aa3dcb94641fb53feac24617a5382925d7463a4fb3b03f30d93d43a956412ff3fcaa130ab87251b6
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C:\Users\Admin\AppData\Local\Temp\b739b37d80\Dctooux.exeFilesize
432KB
MD5aad42bb76a48e18ab273efef7548363d
SHA10b09fabe2a854ded0c5b9050341eb17ced9f4c09
SHA256f75fbc05bbf3a9d9f9e2b67108f4d54eaf7582d10799385a5656b48ac10e86c6
SHA5125e58548ad6ff2a0237eea4d8a82695eab5031dca24a25c714f614b9e8fac0e90528cda0d80054f447288fcd9166e72729df32956784159b17ec378ae4278f216
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memory/832-28-0x0000000000400000-0x0000000000477000-memory.dmpFilesize
476KB
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memory/832-29-0x0000000000400000-0x0000000000477000-memory.dmpFilesize
476KB
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memory/1804-50-0x0000000000400000-0x0000000000477000-memory.dmpFilesize
476KB
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memory/2344-60-0x0000000000400000-0x0000000000477000-memory.dmpFilesize
476KB
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memory/3144-30-0x0000000000400000-0x0000000000477000-memory.dmpFilesize
476KB
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memory/3144-19-0x0000000000400000-0x0000000000477000-memory.dmpFilesize
476KB
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memory/3144-20-0x0000000000400000-0x0000000000477000-memory.dmpFilesize
476KB
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memory/3144-21-0x0000000000400000-0x0000000000477000-memory.dmpFilesize
476KB
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memory/3144-31-0x0000000000400000-0x0000000000477000-memory.dmpFilesize
476KB
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memory/3144-36-0x0000000000400000-0x0000000000477000-memory.dmpFilesize
476KB
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memory/3144-44-0x0000000000400000-0x0000000000477000-memory.dmpFilesize
476KB
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memory/4876-15-0x0000000000400000-0x0000000000477000-memory.dmpFilesize
476KB
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memory/4876-17-0x0000000000400000-0x0000000000472000-memory.dmpFilesize
456KB
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memory/4876-2-0x00000000006E0000-0x000000000074F000-memory.dmpFilesize
444KB
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memory/4876-16-0x00000000006E0000-0x000000000074F000-memory.dmpFilesize
444KB
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memory/4876-1-0x0000000000770000-0x0000000000870000-memory.dmpFilesize
1024KB
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memory/4876-3-0x0000000000400000-0x0000000000472000-memory.dmpFilesize
456KB