Analysis
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max time kernel
52s -
max time network
53s -
platform
windows7_x64 -
resource
win7v200722 -
submitted
31-07-2020 11:34
Static task
static1
Behavioral task
behavioral1
Sample
5fffa2ad508c9515472253ba9710e372.exe
Resource
win7v200722
Behavioral task
behavioral2
Sample
5fffa2ad508c9515472253ba9710e372.exe
Resource
win10
General
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Target
5fffa2ad508c9515472253ba9710e372.exe
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Size
460KB
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MD5
5fffa2ad508c9515472253ba9710e372
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SHA1
d648fb349ce16abfa9a24e3324d4f9c3b4f6199b
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SHA256
8fdbe70d55f048a7ee67510ac78997d90032616bd5b8fa2be84b9cd0a1b9e498
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SHA512
791ce0a27e7f3cea54db3adb25c9d4f2f376f762261f8bb4f494659fa3ebebf1bd65c8a20002e03a9d7c021cf3c7d0051a156a8f34b7c30c9d157345cb2eb45a
Malware Config
Extracted
C:\Users\Admin\AppData\LocalLow\machineinfo.txt
raccoon
Signatures
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Suspicious use of WriteProcessMemory 8 IoCs
Processes:
5fffa2ad508c9515472253ba9710e372.execmd.exedescription pid process target process PID 388 wrote to memory of 1372 388 5fffa2ad508c9515472253ba9710e372.exe cmd.exe PID 388 wrote to memory of 1372 388 5fffa2ad508c9515472253ba9710e372.exe cmd.exe PID 388 wrote to memory of 1372 388 5fffa2ad508c9515472253ba9710e372.exe cmd.exe PID 388 wrote to memory of 1372 388 5fffa2ad508c9515472253ba9710e372.exe cmd.exe PID 1372 wrote to memory of 1832 1372 cmd.exe timeout.exe PID 1372 wrote to memory of 1832 1372 cmd.exe timeout.exe PID 1372 wrote to memory of 1832 1372 cmd.exe timeout.exe PID 1372 wrote to memory of 1832 1372 cmd.exe timeout.exe -
Deletes itself 1 IoCs
Processes:
cmd.exepid process 1372 cmd.exe -
JavaScript code in executable 1 IoCs
Processes:
resource yara_rule \Users\Admin\AppData\LocalLow\3098htrhpen8ifg0\nss3.dll js -
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 1832 timeout.exe -
Processes:
5fffa2ad508c9515472253ba9710e372.exedescription ioc process Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13\Blob = 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 5fffa2ad508c9515472253ba9710e372.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13 5fffa2ad508c9515472253ba9710e372.exe -
Loads dropped DLL 8 IoCs
Processes:
5fffa2ad508c9515472253ba9710e372.exepid process 388 5fffa2ad508c9515472253ba9710e372.exe 388 5fffa2ad508c9515472253ba9710e372.exe 388 5fffa2ad508c9515472253ba9710e372.exe 388 5fffa2ad508c9515472253ba9710e372.exe 388 5fffa2ad508c9515472253ba9710e372.exe 388 5fffa2ad508c9515472253ba9710e372.exe 388 5fffa2ad508c9515472253ba9710e372.exe 388 5fffa2ad508c9515472253ba9710e372.exe -
Raccoon log file 1 IoCs
Detects a log file produced by the Raccoon Stealer.
Processes:
yara_rule raccoon_log_file -
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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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
Processes
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C:\Users\Admin\AppData\Local\Temp\5fffa2ad508c9515472253ba9710e372.exe"C:\Users\Admin\AppData\Local\Temp\5fffa2ad508c9515472253ba9710e372.exe"1⤵
- Suspicious use of WriteProcessMemory
- Modifies system certificate store
- Loads dropped DLL
PID:388 -
C:\Windows\SysWOW64\cmd.execmd.exe /C timeout /T 10 /NOBREAK > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\5fffa2ad508c9515472253ba9710e372.exe"2⤵
- Suspicious use of WriteProcessMemory
- Deletes itself
PID:1372 -
C:\Windows\SysWOW64\timeout.exetimeout /T 10 /NOBREAK3⤵
- Delays execution with timeout.exe
PID:1832