Analysis
- max time kernel
56s - max time network
45s - platform
windows7_x64 - resource
win7v200722 - submitted
02/09/2020, 00:37
Static task
static1
Behavioral task
behavioral1
Sample
c7f6e7.exe
Resource
win7v200722
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
c7f6e7.exe
Resource
win10
0 signatures
0 seconds
General
- Target c7f6e7.exe
- Size 496KB
- Sample200902-83fyxph2ba
- SHA256 c91e2df02ad2c8ccadc96054bceee4422382caa62d443e2633a003e4ce5c7476
- MD5 03956e61a60d13b50142b39ae86daef9
- SHA1 33213c17c18e89b13a5bfe6f5ac93fec18b19918
- SHA512 a948adf8cefa1b25425f5e48107bb020d302c01f8568ac4b8dc327290aa6064249a20f67d19a82752bfd4bd85f2c7032f364fa11677a11b751fe8723ac2a4aa9
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Extracted
Path
-
C:\Users\Admin\AppData\LocalLow\machineinfo.txt
-
raccoon
Ransom Note
- [Raccoon Stealer] - v1.5.13-af-hotfix Release Build compiled on Mon Jul 6 14:33:03 2020 Launched at: 2020.09.02 - 02:34:15 GMT Bot_ID: 750D7400-3B08-415E-A8B0-2695D81425F5_Admin Running on a desktop =R=A=C=C=O=O=N= - Cookies: 0 - Passwords: 0 - Files: 0 System Information: - System Language: English - System TimeZone: -0 hrs - IP: 154.61.71.13 - Location: 37.750999, -97.821999 | ?, ?, United States (?) - ComputerName: UCQFZDUI - Username: Admin - Windows version: NT 6.1 - Product name: Windows 7 Professional - System arch: x64 - CPU: Persocon Processor 2.5+ (2 cores) - RAM: 2047 MB (415 MB used) - Screen resolution: 1280x720 - Display devices: 0) Standard VGA Graphics Adapter ============
Signatures
- Raccoon log file 1 IoCs
Detects a log file produced by the Raccoon Stealer.
yara_rule raccoon_log_file - Deletes itself 1 IoCs
pid Process 1328 cmd.exe - Loads dropped DLL 8 IoCs
pid Process 1464 c7f6e7.exe 1464 c7f6e7.exe 1464 c7f6e7.exe 1464 c7f6e7.exe 1464 c7f6e7.exe 1464 c7f6e7.exe 1464 c7f6e7.exe 1464 c7f6e7.exe - Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- JavaScript code in executable 1 IoCs
resource yara_rule behavioral1/files/0x00030000000131cb-4.dat js - Delays execution with timeout.exe 1 IoCs
pid Process 928 timeout.exe -
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13 c7f6e7.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13\Blob = 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 c7f6e7.exe - Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 1464 wrote to memory of 1328 1464 c7f6e7.exe 30 PID 1464 wrote to memory of 1328 1464 c7f6e7.exe 30 PID 1464 wrote to memory of 1328 1464 c7f6e7.exe 30 PID 1464 wrote to memory of 1328 1464 c7f6e7.exe 30 PID 1328 wrote to memory of 928 1328 cmd.exe 32 PID 1328 wrote to memory of 928 1328 cmd.exe 32 PID 1328 wrote to memory of 928 1328 cmd.exe 32 PID 1328 wrote to memory of 928 1328 cmd.exe 32
Processes
-
C:\Users\Admin\AppData\Local\Temp\c7f6e7.exe"C:\Users\Admin\AppData\Local\Temp\c7f6e7.exe"1⤵
- Loads dropped DLL
- Modifies system certificate store
- Suspicious use of WriteProcessMemory
PID:1464 -
C:\Windows\SysWOW64\cmd.execmd.exe /C timeout /T 10 /NOBREAK > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\c7f6e7.exe"2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:1328 -
C:\Windows\SysWOW64\timeout.exetimeout /T 10 /NOBREAK3⤵
- Delays execution with timeout.exe
PID:928
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