Analysis
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max time kernel
60s -
max time network
64s -
platform
windows7_x64 -
resource
win7 -
submitted
29-07-2020 05:09
Static task
static1
Behavioral task
behavioral1
Sample
bee75236be6822c4f7b69914286fa578.exe
Resource
win7
Behavioral task
behavioral2
Sample
bee75236be6822c4f7b69914286fa578.exe
Resource
win10
General
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Target
bee75236be6822c4f7b69914286fa578.exe
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Size
1.2MB
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MD5
bee75236be6822c4f7b69914286fa578
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SHA1
b6379945a4f7d83497dc6118dc664055277a60f0
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SHA256
b1aca02e74abd36dc6bd0bf648ad8bf2460d4514beda15420895d2d5d65eaa73
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SHA512
297fa4fd931d293809a281f29263ceb3a32c34909269e10a4f08dd448ae4594e71c408a4066ff40941f6667eadffa7a5f95bccc9cb4d05a6a45f6a63b776c33d
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 1888 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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Loads dropped DLL 8 IoCs
Processes:
bee75236be6822c4f7b69914286fa578.exepid process 1544 bee75236be6822c4f7b69914286fa578.exe 1544 bee75236be6822c4f7b69914286fa578.exe 1544 bee75236be6822c4f7b69914286fa578.exe 1544 bee75236be6822c4f7b69914286fa578.exe 1544 bee75236be6822c4f7b69914286fa578.exe 1544 bee75236be6822c4f7b69914286fa578.exe 1544 bee75236be6822c4f7b69914286fa578.exe 1544 bee75236be6822c4f7b69914286fa578.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
bee75236be6822c4f7b69914286fa578.execmd.exedescription pid process target process PID 1544 wrote to memory of 1888 1544 bee75236be6822c4f7b69914286fa578.exe cmd.exe PID 1544 wrote to memory of 1888 1544 bee75236be6822c4f7b69914286fa578.exe cmd.exe PID 1544 wrote to memory of 1888 1544 bee75236be6822c4f7b69914286fa578.exe cmd.exe PID 1544 wrote to memory of 1888 1544 bee75236be6822c4f7b69914286fa578.exe cmd.exe PID 1888 wrote to memory of 1140 1888 cmd.exe timeout.exe PID 1888 wrote to memory of 1140 1888 cmd.exe timeout.exe PID 1888 wrote to memory of 1140 1888 cmd.exe timeout.exe PID 1888 wrote to memory of 1140 1888 cmd.exe timeout.exe -
Processes:
bee75236be6822c4f7b69914286fa578.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13 bee75236be6822c4f7b69914286fa578.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13\Blob = 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 bee75236be6822c4f7b69914286fa578.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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Delays execution with timeout.exe 1 IoCs
Processes:
timeout.exepid process 1140 timeout.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\bee75236be6822c4f7b69914286fa578.exe"C:\Users\Admin\AppData\Local\Temp\bee75236be6822c4f7b69914286fa578.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\bee75236be6822c4f7b69914286fa578.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/1140-9-0x0000000000000000-mapping.dmp
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memory/1888-8-0x0000000000000000-mapping.dmp