Analysis
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max time kernel
67s -
max time network
113s -
platform
windows10_x64 -
resource
win10 -
submitted
24-07-2020 10:17
Static task
static1
Behavioral task
behavioral1
Sample
f850dceade18fd3bc1f6fefc642bceac.exe
Resource
win7
Behavioral task
behavioral2
Sample
f850dceade18fd3bc1f6fefc642bceac.exe
Resource
win10
General
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Target
f850dceade18fd3bc1f6fefc642bceac.exe
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Size
1.2MB
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MD5
f850dceade18fd3bc1f6fefc642bceac
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SHA1
2b53e67cda0488474d2d6b679d72b99f8b562443
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SHA256
bee9aa70e27124098e72f79e47323907e40e1754252bff7d57110fa01a433e4a
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SHA512
08123da4898f6a977fb406989a0170604f8ef4a67aa62995f2d5f45acc16e1cbbf58cd58dca9eac7e41455b68eb3fe299c978f4eda0dda0aa49d2d1b7092c01b
Malware Config
Extracted
C:\Users\Admin\AppData\LocalLow\machineinfo.txt
raccoon
Signatures
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Suspicious use of WriteProcessMemory 6 IoCs
Processes:
f850dceade18fd3bc1f6fefc642bceac.execmd.exedescription pid process target process PID 3888 wrote to memory of 3440 3888 f850dceade18fd3bc1f6fefc642bceac.exe cmd.exe PID 3888 wrote to memory of 3440 3888 f850dceade18fd3bc1f6fefc642bceac.exe cmd.exe PID 3888 wrote to memory of 3440 3888 f850dceade18fd3bc1f6fefc642bceac.exe cmd.exe PID 3440 wrote to memory of 4072 3440 cmd.exe timeout.exe PID 3440 wrote to memory of 4072 3440 cmd.exe timeout.exe PID 3440 wrote to memory of 4072 3440 cmd.exe timeout.exe -
JavaScript code in executable 1 IoCs
Processes:
resource yara_rule \Users\Admin\AppData\LocalLow\3098htrhpen8ifg0\nss3.dll js -
Delays execution with timeout.exe 1 IoCs
Processes:
timeout.exepid process 4072 timeout.exe -
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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Loads dropped DLL 8 IoCs
Processes:
f850dceade18fd3bc1f6fefc642bceac.exepid process 3888 f850dceade18fd3bc1f6fefc642bceac.exe 3888 f850dceade18fd3bc1f6fefc642bceac.exe 3888 f850dceade18fd3bc1f6fefc642bceac.exe 3888 f850dceade18fd3bc1f6fefc642bceac.exe 3888 f850dceade18fd3bc1f6fefc642bceac.exe 3888 f850dceade18fd3bc1f6fefc642bceac.exe 3888 f850dceade18fd3bc1f6fefc642bceac.exe 3888 f850dceade18fd3bc1f6fefc642bceac.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 web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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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.
Processes
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C:\Users\Admin\AppData\Local\Temp\f850dceade18fd3bc1f6fefc642bceac.exe"C:\Users\Admin\AppData\Local\Temp\f850dceade18fd3bc1f6fefc642bceac.exe"1⤵
- Suspicious use of WriteProcessMemory
- Loads dropped DLL
PID:3888 -
C:\Windows\SysWOW64\cmd.execmd.exe /C timeout /T 10 /NOBREAK > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\f850dceade18fd3bc1f6fefc642bceac.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3440 -
C:\Windows\SysWOW64\timeout.exetimeout /T 10 /NOBREAK3⤵
- Delays execution with timeout.exe
PID:4072
Network
MITRE ATT&CK Enterprise 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\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\3098htrhpen8ifg0\softokn3.dll
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\Users\Admin\AppData\LocalLow\sqlite3.dll
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memory/3440-9-0x0000000000000000-mapping.dmp
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memory/3888-8-0x000000004BE20000-0x000000004BEA1000-memory.dmpFilesize
516KB
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memory/4072-10-0x0000000000000000-mapping.dmp