Analysis
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max time kernel
49s -
max time network
59s -
platform
windows7_x64 -
resource
win7v200722 -
submitted
29-07-2020 07:42
Static task
static1
Behavioral task
behavioral1
Sample
8e4875685e6458ee2a8c05df4043f740.exe
Resource
win7v200722
Behavioral task
behavioral2
Sample
8e4875685e6458ee2a8c05df4043f740.exe
Resource
win10v200722
General
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Target
8e4875685e6458ee2a8c05df4043f740.exe
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Size
1.2MB
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MD5
8e4875685e6458ee2a8c05df4043f740
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SHA1
cb43239d1fed9f9e64037bcf9cf9baf412c7fba6
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SHA256
2eda0169ec00308ace0a58acd27e49ce2736f5b9cdb2caee8a588cfd02d809d2
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SHA512
eadfc6fd140fe6b27b5817f70b556bac4448973fb78bc97067e5fad199d7cebe18724f91511b7e3e5cbe7d2c72fc08b1daceb847bb19ac2fd1d13b06e387e696
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 1872 timeout.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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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:
8e4875685e6458ee2a8c05df4043f740.execmd.exedescription pid process target process PID 1248 wrote to memory of 1852 1248 8e4875685e6458ee2a8c05df4043f740.exe cmd.exe PID 1248 wrote to memory of 1852 1248 8e4875685e6458ee2a8c05df4043f740.exe cmd.exe PID 1248 wrote to memory of 1852 1248 8e4875685e6458ee2a8c05df4043f740.exe cmd.exe PID 1248 wrote to memory of 1852 1248 8e4875685e6458ee2a8c05df4043f740.exe cmd.exe PID 1852 wrote to memory of 1872 1852 cmd.exe timeout.exe PID 1852 wrote to memory of 1872 1852 cmd.exe timeout.exe PID 1852 wrote to memory of 1872 1852 cmd.exe timeout.exe PID 1852 wrote to memory of 1872 1852 cmd.exe timeout.exe -
Processes:
8e4875685e6458ee2a8c05df4043f740.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13 8e4875685e6458ee2a8c05df4043f740.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13\Blob = 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 8e4875685e6458ee2a8c05df4043f740.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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Loads dropped DLL 8 IoCs
Processes:
8e4875685e6458ee2a8c05df4043f740.exepid process 1248 8e4875685e6458ee2a8c05df4043f740.exe 1248 8e4875685e6458ee2a8c05df4043f740.exe 1248 8e4875685e6458ee2a8c05df4043f740.exe 1248 8e4875685e6458ee2a8c05df4043f740.exe 1248 8e4875685e6458ee2a8c05df4043f740.exe 1248 8e4875685e6458ee2a8c05df4043f740.exe 1248 8e4875685e6458ee2a8c05df4043f740.exe 1248 8e4875685e6458ee2a8c05df4043f740.exe -
Deletes itself 1 IoCs
Processes:
cmd.exepid process 1852 cmd.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\8e4875685e6458ee2a8c05df4043f740.exe"C:\Users\Admin\AppData\Local\Temp\8e4875685e6458ee2a8c05df4043f740.exe"1⤵
- Suspicious use of WriteProcessMemory
- Modifies system certificate store
- Loads dropped DLL
PID:1248 -
C:\Windows\SysWOW64\cmd.execmd.exe /C timeout /T 10 /NOBREAK > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\8e4875685e6458ee2a8c05df4043f740.exe"2⤵
- Suspicious use of WriteProcessMemory
- Deletes itself
PID:1852 -
C:\Windows\SysWOW64\timeout.exetimeout /T 10 /NOBREAK3⤵
- Delays execution with timeout.exe
PID:1872
Network
MITRE ATT&CK Enterprise 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/1852-8-0x0000000000000000-mapping.dmp
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memory/1872-9-0x0000000000000000-mapping.dmp