Analysis
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max time kernel
44s -
max time network
33s -
platform
windows7_x64 -
resource
win7 -
submitted
10-09-2020 16:25
Static task
static1
Behavioral task
behavioral1
Sample
raccon.exe
Resource
win7
Behavioral task
behavioral2
Sample
raccon.exe
Resource
win10v200722
General
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Target
raccon.exe
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Size
435KB
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MD5
25e806c8e9a523538a0c53ad06a4a57b
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SHA1
a3c8f06a65dcd522d3eaf4f6217334924ae405f4
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SHA256
ee481a9210b97a776dc8be57fd94db7f58dbdf7b29833ab20983d70d3a26f685
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SHA512
8c223d20576abb60c37d9bdec2a9edeaee46bdc5dda5747f6b9d765bf797d977dbefee6077bb5a5555a1db901e7459bfd75be14c57829ee39665ed2916dc3c91
Malware Config
Extracted
C:\Users\Admin\AppData\LocalLow\machineinfo.txt
raccoon
Signatures
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Raccoon log file 1 IoCs
Detects a log file produced by the Raccoon Stealer.
Processes:
yara_rule raccoon_log_file -
Deletes itself 1 IoCs
Processes:
cmd.exepid process 1124 cmd.exe -
Loads dropped DLL 8 IoCs
Processes:
raccon.exepid process 1196 raccon.exe 1196 raccon.exe 1196 raccon.exe 1196 raccon.exe 1196 raccon.exe 1196 raccon.exe 1196 raccon.exe 1196 raccon.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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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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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 756 timeout.exe -
Processes:
raccon.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13 raccon.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13\Blob = 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 raccon.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
raccon.execmd.exedescription pid process target process PID 1196 wrote to memory of 1124 1196 raccon.exe cmd.exe PID 1196 wrote to memory of 1124 1196 raccon.exe cmd.exe PID 1196 wrote to memory of 1124 1196 raccon.exe cmd.exe PID 1196 wrote to memory of 1124 1196 raccon.exe cmd.exe PID 1124 wrote to memory of 756 1124 cmd.exe timeout.exe PID 1124 wrote to memory of 756 1124 cmd.exe timeout.exe PID 1124 wrote to memory of 756 1124 cmd.exe timeout.exe PID 1124 wrote to memory of 756 1124 cmd.exe timeout.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\raccon.exe"C:\Users\Admin\AppData\Local\Temp\raccon.exe"1⤵
- Loads dropped DLL
- Modifies system certificate store
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.execmd.exe /C timeout /T 10 /NOBREAK > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\raccon.exe"2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\timeout.exetimeout /T 10 /NOBREAK3⤵
- Delays execution with timeout.exe
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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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/756-12-0x0000000000000000-mapping.dmp
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memory/1124-11-0x0000000000000000-mapping.dmp
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memory/1196-0-0x0000000000B58000-0x0000000000B69000-memory.dmpFilesize
68KB
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memory/1196-1-0x0000000000C50000-0x0000000000C61000-memory.dmpFilesize
68KB
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memory/1884-2-0x000007FEF6880000-0x000007FEF6AFA000-memory.dmpFilesize
2.5MB