Analysis
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max time kernel
64s -
max time network
77s -
platform
windows7_x64 -
resource
win7 -
submitted
31-07-2020 10:16
Static task
static1
Behavioral task
behavioral1
Sample
6f687c7a1abbf7656cfffb85d59444b2.exe
Resource
win7
Behavioral task
behavioral2
Sample
6f687c7a1abbf7656cfffb85d59444b2.exe
Resource
win10v200722
General
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Target
6f687c7a1abbf7656cfffb85d59444b2.exe
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Size
827KB
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MD5
6f687c7a1abbf7656cfffb85d59444b2
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SHA1
371f89d795fd91258fea6786ca890a2e910874da
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SHA256
27d4fcfed2b8070e8ead45bf11d9845ac6372538146ff2f49622ba8e07e37938
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SHA512
9f3acab3750c07268cc4b3d70bc627a6bb338c30f1ed7074fb14fc6f7a585cf963e55f86c62e4be064374ddfff23e71b36e26b96dab23945868642cf5a583ff1
Malware Config
Extracted
C:\Users\Admin\AppData\LocalLow\machineinfo.txt
raccoon
Signatures
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Suspicious use of WriteProcessMemory 8 IoCs
Processes:
6f687c7a1abbf7656cfffb85d59444b2.execmd.exedescription pid process target process PID 1312 wrote to memory of 1848 1312 6f687c7a1abbf7656cfffb85d59444b2.exe cmd.exe PID 1312 wrote to memory of 1848 1312 6f687c7a1abbf7656cfffb85d59444b2.exe cmd.exe PID 1312 wrote to memory of 1848 1312 6f687c7a1abbf7656cfffb85d59444b2.exe cmd.exe PID 1312 wrote to memory of 1848 1312 6f687c7a1abbf7656cfffb85d59444b2.exe cmd.exe PID 1848 wrote to memory of 1864 1848 cmd.exe timeout.exe PID 1848 wrote to memory of 1864 1848 cmd.exe timeout.exe PID 1848 wrote to memory of 1864 1848 cmd.exe timeout.exe PID 1848 wrote to memory of 1864 1848 cmd.exe timeout.exe -
Deletes itself 1 IoCs
Processes:
cmd.exepid process 1848 cmd.exe -
Processes:
6f687c7a1abbf7656cfffb85d59444b2.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13 6f687c7a1abbf7656cfffb85d59444b2.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13\Blob = 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 6f687c7a1abbf7656cfffb85d59444b2.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 1864 timeout.exe -
Loads dropped DLL 8 IoCs
Processes:
6f687c7a1abbf7656cfffb85d59444b2.exepid process 1312 6f687c7a1abbf7656cfffb85d59444b2.exe 1312 6f687c7a1abbf7656cfffb85d59444b2.exe 1312 6f687c7a1abbf7656cfffb85d59444b2.exe 1312 6f687c7a1abbf7656cfffb85d59444b2.exe 1312 6f687c7a1abbf7656cfffb85d59444b2.exe 1312 6f687c7a1abbf7656cfffb85d59444b2.exe 1312 6f687c7a1abbf7656cfffb85d59444b2.exe 1312 6f687c7a1abbf7656cfffb85d59444b2.exe -
Raccoon log file 1 IoCs
Detects a log file produced by the Raccoon Stealer.
Processes:
yara_rule raccoon_log_file -
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.
Processes
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C:\Users\Admin\AppData\Local\Temp\6f687c7a1abbf7656cfffb85d59444b2.exe"C:\Users\Admin\AppData\Local\Temp\6f687c7a1abbf7656cfffb85d59444b2.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\6f687c7a1abbf7656cfffb85d59444b2.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/1848-8-0x0000000000000000-mapping.dmp
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memory/1864-9-0x0000000000000000-mapping.dmp