Analysis
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max time kernel
135s -
max time network
150s -
platform
windows10_x64 -
resource
win10v200722 -
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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Loads dropped DLL 6 IoCs
Processes:
6f687c7a1abbf7656cfffb85d59444b2.exepid process 3908 6f687c7a1abbf7656cfffb85d59444b2.exe 3908 6f687c7a1abbf7656cfffb85d59444b2.exe 3908 6f687c7a1abbf7656cfffb85d59444b2.exe 3908 6f687c7a1abbf7656cfffb85d59444b2.exe 3908 6f687c7a1abbf7656cfffb85d59444b2.exe 3908 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.
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Suspicious use of WriteProcessMemory 6 IoCs
Processes:
6f687c7a1abbf7656cfffb85d59444b2.execmd.exedescription pid process target process PID 3908 wrote to memory of 984 3908 6f687c7a1abbf7656cfffb85d59444b2.exe cmd.exe PID 3908 wrote to memory of 984 3908 6f687c7a1abbf7656cfffb85d59444b2.exe cmd.exe PID 3908 wrote to memory of 984 3908 6f687c7a1abbf7656cfffb85d59444b2.exe cmd.exe PID 984 wrote to memory of 800 984 cmd.exe timeout.exe PID 984 wrote to memory of 800 984 cmd.exe timeout.exe PID 984 wrote to memory of 800 984 cmd.exe timeout.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 800 timeout.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\6f687c7a1abbf7656cfffb85d59444b2.exe"C:\Users\Admin\AppData\Local\Temp\6f687c7a1abbf7656cfffb85d59444b2.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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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
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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\nss3.dll
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\Users\Admin\AppData\LocalLow\3098htrhpen8ifg0\softokn3.dll
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\Users\Admin\AppData\LocalLow\sqlite3.dll
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memory/800-7-0x0000000000000000-mapping.dmp
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memory/984-6-0x0000000000000000-mapping.dmp