Analysis
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max time kernel
53s -
max time network
58s -
platform
windows7_x64 -
resource
win7 -
submitted
05-08-2020 15:08
Static task
static1
Behavioral task
behavioral1
Sample
15cf5514c69448507e925c96b91537aa.exe
Resource
win7
Behavioral task
behavioral2
Sample
15cf5514c69448507e925c96b91537aa.exe
Resource
win10v200722
General
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Target
15cf5514c69448507e925c96b91537aa.exe
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Size
1.3MB
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MD5
15cf5514c69448507e925c96b91537aa
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SHA1
81f76655a7a1ad8c326e7453e2b82886bf28b438
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SHA256
d18f0401809afaaa56922a0cbdc17244288ae4c4956c0818e47343d490338ba1
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SHA512
c0dae5b17b4b424f0b24614bfef954a51a55c974d52df03dc3dd999b0994f7f1d6215d08c5a7daad696c79f51cc515fd4a8e1fb14eb2b1082bcb5928c454dc88
Malware Config
Extracted
C:\Users\Admin\AppData\LocalLow\machineinfo.txt
raccoon
Signatures
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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 1804 timeout.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
15cf5514c69448507e925c96b91537aa.execmd.exedescription pid process target process PID 1156 wrote to memory of 1144 1156 15cf5514c69448507e925c96b91537aa.exe cmd.exe PID 1156 wrote to memory of 1144 1156 15cf5514c69448507e925c96b91537aa.exe cmd.exe PID 1156 wrote to memory of 1144 1156 15cf5514c69448507e925c96b91537aa.exe cmd.exe PID 1156 wrote to memory of 1144 1156 15cf5514c69448507e925c96b91537aa.exe cmd.exe PID 1144 wrote to memory of 1804 1144 cmd.exe timeout.exe PID 1144 wrote to memory of 1804 1144 cmd.exe timeout.exe PID 1144 wrote to memory of 1804 1144 cmd.exe timeout.exe PID 1144 wrote to memory of 1804 1144 cmd.exe timeout.exe -
Deletes itself 1 IoCs
Processes:
cmd.exepid process 1144 cmd.exe -
JavaScript code in executable 1 IoCs
Processes:
resource yara_rule \Users\Admin\AppData\LocalLow\3098htrhpen8ifg0\nss3.dll js -
Processes:
15cf5514c69448507e925c96b91537aa.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13 15cf5514c69448507e925c96b91537aa.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13\Blob = 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 15cf5514c69448507e925c96b91537aa.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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Loads dropped DLL 8 IoCs
Processes:
15cf5514c69448507e925c96b91537aa.exepid process 1156 15cf5514c69448507e925c96b91537aa.exe 1156 15cf5514c69448507e925c96b91537aa.exe 1156 15cf5514c69448507e925c96b91537aa.exe 1156 15cf5514c69448507e925c96b91537aa.exe 1156 15cf5514c69448507e925c96b91537aa.exe 1156 15cf5514c69448507e925c96b91537aa.exe 1156 15cf5514c69448507e925c96b91537aa.exe 1156 15cf5514c69448507e925c96b91537aa.exe -
Raccoon log file 1 IoCs
Detects a log file produced by the Raccoon Stealer.
Processes:
yara_rule raccoon_log_file
Processes
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C:\Users\Admin\AppData\Local\Temp\15cf5514c69448507e925c96b91537aa.exe"C:\Users\Admin\AppData\Local\Temp\15cf5514c69448507e925c96b91537aa.exe"1⤵
- Suspicious use of WriteProcessMemory
- Modifies system certificate store
- 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\15cf5514c69448507e925c96b91537aa.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/1144-8-0x0000000000000000-mapping.dmp
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memory/1804-9-0x0000000000000000-mapping.dmp