Analysis
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max time kernel
145s -
max time network
26s -
platform
windows7_x64 -
resource
win7v200722 -
submitted
31-07-2020 05:51
Static task
static1
Behavioral task
behavioral1
Sample
6acbb3758e2669bf5ad7e244e1ed2823.exe
Resource
win7v200722
Behavioral task
behavioral2
Sample
6acbb3758e2669bf5ad7e244e1ed2823.exe
Resource
win10
General
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Target
6acbb3758e2669bf5ad7e244e1ed2823.exe
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Size
1.1MB
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MD5
6acbb3758e2669bf5ad7e244e1ed2823
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SHA1
b177b99c7d3971b14ac86b57528dfccf41e073f5
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SHA256
1c58c04ceb20a7b37f23c550b743da69e276859b5bc937c4fe638396661ff04b
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SHA512
1d9b4b1831be2e98eadf1d0594867d4c2481ec388b3302762317e0e41a0fdbc6fad1eb492fe6f64af47b2084ddfb858170d31be9fecc259acd44117fafceb78c
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 -
Processes:
6acbb3758e2669bf5ad7e244e1ed2823.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13 6acbb3758e2669bf5ad7e244e1ed2823.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13\Blob = 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 6acbb3758e2669bf5ad7e244e1ed2823.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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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:
6acbb3758e2669bf5ad7e244e1ed2823.execmd.exedescription pid process target process PID 1420 wrote to memory of 268 1420 6acbb3758e2669bf5ad7e244e1ed2823.exe cmd.exe PID 1420 wrote to memory of 268 1420 6acbb3758e2669bf5ad7e244e1ed2823.exe cmd.exe PID 1420 wrote to memory of 268 1420 6acbb3758e2669bf5ad7e244e1ed2823.exe cmd.exe PID 1420 wrote to memory of 268 1420 6acbb3758e2669bf5ad7e244e1ed2823.exe cmd.exe PID 268 wrote to memory of 324 268 cmd.exe timeout.exe PID 268 wrote to memory of 324 268 cmd.exe timeout.exe PID 268 wrote to memory of 324 268 cmd.exe timeout.exe PID 268 wrote to memory of 324 268 cmd.exe timeout.exe -
Deletes itself 1 IoCs
Processes:
cmd.exepid process 268 cmd.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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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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Delays execution with timeout.exe 1 IoCs
Processes:
timeout.exepid process 324 timeout.exe -
Loads dropped DLL 8 IoCs
Processes:
6acbb3758e2669bf5ad7e244e1ed2823.exepid process 1420 6acbb3758e2669bf5ad7e244e1ed2823.exe 1420 6acbb3758e2669bf5ad7e244e1ed2823.exe 1420 6acbb3758e2669bf5ad7e244e1ed2823.exe 1420 6acbb3758e2669bf5ad7e244e1ed2823.exe 1420 6acbb3758e2669bf5ad7e244e1ed2823.exe 1420 6acbb3758e2669bf5ad7e244e1ed2823.exe 1420 6acbb3758e2669bf5ad7e244e1ed2823.exe 1420 6acbb3758e2669bf5ad7e244e1ed2823.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\6acbb3758e2669bf5ad7e244e1ed2823.exe"C:\Users\Admin\AppData\Local\Temp\6acbb3758e2669bf5ad7e244e1ed2823.exe"1⤵
- Modifies system certificate store
- Suspicious use of WriteProcessMemory
- Loads dropped DLL
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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\6acbb3758e2669bf5ad7e244e1ed2823.exe"2⤵
- Suspicious use of WriteProcessMemory
- Deletes itself
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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/268-8-0x0000000000000000-mapping.dmp
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memory/324-9-0x0000000000000000-mapping.dmp