Analysis
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max time kernel
56s -
max time network
61s -
platform
windows7_x64 -
resource
win7 -
submitted
24-07-2020 11:15
Static task
static1
Behavioral task
behavioral1
Sample
76588c314562d37bb78ac1e33cca4c5a.exe
Resource
win7
Behavioral task
behavioral2
Sample
76588c314562d37bb78ac1e33cca4c5a.exe
Resource
win10v200722
General
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Target
76588c314562d37bb78ac1e33cca4c5a.exe
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Size
1.3MB
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MD5
76588c314562d37bb78ac1e33cca4c5a
-
SHA1
48a538a6a8cb9aa47fc82777025bb3a8f1e40cee
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SHA256
fe2098696d0ffebd614ae0278538e204a1e2120521e3782639695d0f14021dc9
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SHA512
1fef714d952541d3c0e8860ae46479a352e16a96d6d98bbaf48ecbab14ad1ed103f5e1e1592eb5e3f82eb7c9fdec9031937dd00586a4858059bb4a43fecd60ed
Malware Config
Extracted
C:\Users\Admin\AppData\LocalLow\machineinfo.txt
raccoon
Signatures
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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.
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Processes:
76588c314562d37bb78ac1e33cca4c5a.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13 76588c314562d37bb78ac1e33cca4c5a.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13\Blob = 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 76588c314562d37bb78ac1e33cca4c5a.exe -
Loads dropped DLL 8 IoCs
Processes:
76588c314562d37bb78ac1e33cca4c5a.exepid process 240 76588c314562d37bb78ac1e33cca4c5a.exe 240 76588c314562d37bb78ac1e33cca4c5a.exe 240 76588c314562d37bb78ac1e33cca4c5a.exe 240 76588c314562d37bb78ac1e33cca4c5a.exe 240 76588c314562d37bb78ac1e33cca4c5a.exe 240 76588c314562d37bb78ac1e33cca4c5a.exe 240 76588c314562d37bb78ac1e33cca4c5a.exe 240 76588c314562d37bb78ac1e33cca4c5a.exe -
Deletes itself 1 IoCs
Processes:
cmd.exepid process 1920 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 1936 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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Raccoon log file 1 IoCs
Detects a log file produced by the Raccoon Stealer.
Processes:
yara_rule raccoon_log_file -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
76588c314562d37bb78ac1e33cca4c5a.execmd.exedescription pid process target process PID 240 wrote to memory of 1920 240 76588c314562d37bb78ac1e33cca4c5a.exe cmd.exe PID 240 wrote to memory of 1920 240 76588c314562d37bb78ac1e33cca4c5a.exe cmd.exe PID 240 wrote to memory of 1920 240 76588c314562d37bb78ac1e33cca4c5a.exe cmd.exe PID 240 wrote to memory of 1920 240 76588c314562d37bb78ac1e33cca4c5a.exe cmd.exe PID 1920 wrote to memory of 1936 1920 cmd.exe timeout.exe PID 1920 wrote to memory of 1936 1920 cmd.exe timeout.exe PID 1920 wrote to memory of 1936 1920 cmd.exe timeout.exe PID 1920 wrote to memory of 1936 1920 cmd.exe timeout.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\76588c314562d37bb78ac1e33cca4c5a.exe"C:\Users\Admin\AppData\Local\Temp\76588c314562d37bb78ac1e33cca4c5a.exe"1⤵
- Modifies system certificate store
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:240 -
C:\Windows\SysWOW64\cmd.execmd.exe /C timeout /T 10 /NOBREAK > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\76588c314562d37bb78ac1e33cca4c5a.exe"2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:1920 -
C:\Windows\SysWOW64\timeout.exetimeout /T 10 /NOBREAK3⤵
- Delays execution with timeout.exe
PID:1936