Analysis
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max time kernel
113s -
max time network
119s -
platform
windows7_x64 -
resource
win7 -
submitted
03-08-2020 07:40
Static task
static1
Behavioral task
behavioral1
Sample
8c661db7e1d42a7be5e653794ecf9c2b.exe
Resource
win7
Behavioral task
behavioral2
Sample
8c661db7e1d42a7be5e653794ecf9c2b.exe
Resource
win10v200722
General
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Target
8c661db7e1d42a7be5e653794ecf9c2b.exe
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Size
875KB
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MD5
8c661db7e1d42a7be5e653794ecf9c2b
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SHA1
62d36418bc0e3141528caad804a31a3bd9ae16fb
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SHA256
c81ab1ade819ca91b950ecc7dda7cb9796f62e74fd160ad6ea6e5e68c636b16c
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SHA512
dbf8dd9f4d2fc0585804def8ba1f4584d34dd8de114d84cef9d7ac047782532d72deb4e66705db9b429378d8bfa817d91eef57333542cb467e70fed072d64c3c
Malware Config
Extracted
C:\Users\Admin\AppData\LocalLow\machineinfo.txt
raccoon
Signatures
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JavaScript code in executable 1 IoCs
Processes:
resource yara_rule \Users\Admin\AppData\LocalLow\3098htrhpen8ifg0\nss3.dll js -
Delays execution with timeout.exe 1 IoCs
Processes:
timeout.exepid process 1896 timeout.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Raccoon log file 1 IoCs
Detects a log file produced by the Raccoon Stealer.
Processes:
yara_rule raccoon_log_file -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
8c661db7e1d42a7be5e653794ecf9c2b.execmd.exedescription pid process target process PID 1460 wrote to memory of 1120 1460 8c661db7e1d42a7be5e653794ecf9c2b.exe cmd.exe PID 1460 wrote to memory of 1120 1460 8c661db7e1d42a7be5e653794ecf9c2b.exe cmd.exe PID 1460 wrote to memory of 1120 1460 8c661db7e1d42a7be5e653794ecf9c2b.exe cmd.exe PID 1460 wrote to memory of 1120 1460 8c661db7e1d42a7be5e653794ecf9c2b.exe cmd.exe PID 1120 wrote to memory of 1896 1120 cmd.exe timeout.exe PID 1120 wrote to memory of 1896 1120 cmd.exe timeout.exe PID 1120 wrote to memory of 1896 1120 cmd.exe timeout.exe PID 1120 wrote to memory of 1896 1120 cmd.exe timeout.exe -
Processes:
8c661db7e1d42a7be5e653794ecf9c2b.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13 8c661db7e1d42a7be5e653794ecf9c2b.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13\Blob = 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 8c661db7e1d42a7be5e653794ecf9c2b.exe -
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Loads dropped DLL 8 IoCs
Processes:
8c661db7e1d42a7be5e653794ecf9c2b.exepid process 1460 8c661db7e1d42a7be5e653794ecf9c2b.exe 1460 8c661db7e1d42a7be5e653794ecf9c2b.exe 1460 8c661db7e1d42a7be5e653794ecf9c2b.exe 1460 8c661db7e1d42a7be5e653794ecf9c2b.exe 1460 8c661db7e1d42a7be5e653794ecf9c2b.exe 1460 8c661db7e1d42a7be5e653794ecf9c2b.exe 1460 8c661db7e1d42a7be5e653794ecf9c2b.exe 1460 8c661db7e1d42a7be5e653794ecf9c2b.exe -
Deletes itself 1 IoCs
Processes:
cmd.exepid process 1120 cmd.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\8c661db7e1d42a7be5e653794ecf9c2b.exe"C:\Users\Admin\AppData\Local\Temp\8c661db7e1d42a7be5e653794ecf9c2b.exe"1⤵
- Suspicious use of WriteProcessMemory
- Modifies system certificate store
- Loads dropped DLL
PID:1460 -
C:\Windows\SysWOW64\cmd.execmd.exe /C timeout /T 10 /NOBREAK > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\8c661db7e1d42a7be5e653794ecf9c2b.exe"2⤵
- Suspicious use of WriteProcessMemory
- Deletes itself
PID:1120 -
C:\Windows\SysWOW64\timeout.exetimeout /T 10 /NOBREAK3⤵
- Delays execution with timeout.exe
PID:1896
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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\Users\Admin\AppData\LocalLow\3098htrhpen8ifg0\freebl3.dll
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\Users\Admin\AppData\LocalLow\3098htrhpen8ifg0\freebl3.dll
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\Users\Admin\AppData\LocalLow\3098htrhpen8ifg0\mozglue.dll
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\Users\Admin\AppData\LocalLow\3098htrhpen8ifg0\msvcp140.dll
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\Users\Admin\AppData\LocalLow\3098htrhpen8ifg0\nss3.dll
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\Users\Admin\AppData\LocalLow\3098htrhpen8ifg0\softokn3.dll
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\Users\Admin\AppData\LocalLow\3098htrhpen8ifg0\vcruntime140.dll
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\Users\Admin\AppData\LocalLow\sqlite3.dll
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memory/1120-8-0x0000000000000000-mapping.dmp
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memory/1896-9-0x0000000000000000-mapping.dmp