Analysis
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max time kernel
115s -
max time network
120s -
platform
windows7_x64 -
resource
win7 -
submitted
03-08-2020 07:00
Static task
static1
Behavioral task
behavioral1
Sample
5b6b342af1a0117fddab7e5a24d9e258.exe
Resource
win7
Behavioral task
behavioral2
Sample
5b6b342af1a0117fddab7e5a24d9e258.exe
Resource
win10
General
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Target
5b6b342af1a0117fddab7e5a24d9e258.exe
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Size
1.6MB
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MD5
5b6b342af1a0117fddab7e5a24d9e258
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SHA1
2c16eb99a9c778a96680ae19466d2e549b4f6b8d
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SHA256
68a4315ec90aded56b0e8fcda244e5b1cad8993a1785c0c6d70ce3d073ef6826
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SHA512
46f93632bc9e1f3a842b3598e3eec42c8a1d2685d631995c0f6fd3055ba7104be3866dff9acd2f4cc63bcde225d342e19b25fd38b39745aea0824b43144fdb02
Malware Config
Extracted
C:\Users\Admin\AppData\LocalLow\machineinfo.txt
raccoon
Signatures
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Loads dropped DLL 8 IoCs
Processes:
5b6b342af1a0117fddab7e5a24d9e258.exepid process 1124 5b6b342af1a0117fddab7e5a24d9e258.exe 1124 5b6b342af1a0117fddab7e5a24d9e258.exe 1124 5b6b342af1a0117fddab7e5a24d9e258.exe 1124 5b6b342af1a0117fddab7e5a24d9e258.exe 1124 5b6b342af1a0117fddab7e5a24d9e258.exe 1124 5b6b342af1a0117fddab7e5a24d9e258.exe 1124 5b6b342af1a0117fddab7e5a24d9e258.exe 1124 5b6b342af1a0117fddab7e5a24d9e258.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
5b6b342af1a0117fddab7e5a24d9e258.execmd.exedescription pid process target process PID 1124 wrote to memory of 1836 1124 5b6b342af1a0117fddab7e5a24d9e258.exe cmd.exe PID 1124 wrote to memory of 1836 1124 5b6b342af1a0117fddab7e5a24d9e258.exe cmd.exe PID 1124 wrote to memory of 1836 1124 5b6b342af1a0117fddab7e5a24d9e258.exe cmd.exe PID 1124 wrote to memory of 1836 1124 5b6b342af1a0117fddab7e5a24d9e258.exe cmd.exe PID 1836 wrote to memory of 1852 1836 cmd.exe timeout.exe PID 1836 wrote to memory of 1852 1836 cmd.exe timeout.exe PID 1836 wrote to memory of 1852 1836 cmd.exe timeout.exe PID 1836 wrote to memory of 1852 1836 cmd.exe timeout.exe -
Processes:
5b6b342af1a0117fddab7e5a24d9e258.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13 5b6b342af1a0117fddab7e5a24d9e258.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13\Blob = 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 5b6b342af1a0117fddab7e5a24d9e258.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 -
Deletes itself 1 IoCs
Processes:
cmd.exepid process 1836 cmd.exe -
JavaScript code in executable 1 IoCs
Processes:
resource yara_rule \Users\Admin\AppData\LocalLow\3098htrhpen8ifg0\nss3.dll js -
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 1852 timeout.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\5b6b342af1a0117fddab7e5a24d9e258.exe"C:\Users\Admin\AppData\Local\Temp\5b6b342af1a0117fddab7e5a24d9e258.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
- Modifies system certificate store
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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\5b6b342af1a0117fddab7e5a24d9e258.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
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/1836-8-0x0000000000000000-mapping.dmp
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memory/1852-9-0x0000000000000000-mapping.dmp