Analysis
- max time kernel
124s - max time network
124s - platform
windows10_x64 - resource
win10 - submitted
04/08/2020, 06:58
Static task
static1
Behavioral task
behavioral1
Sample
e5d97fe038a2f5b91e521ec27d2d1ee4.exe
Resource
win7
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
e5d97fe038a2f5b91e521ec27d2d1ee4.exe
Resource
win10
0 signatures
0 seconds
General
- Target e5d97fe038a2f5b91e521ec27d2d1ee4.exe
- Size 1.6MB
- Sample200804-5n94he7ebx
- SHA256 4e53ab173ae73594fa1cceefcc3f911b889b2796169bf1c5d2e3c23bb26de2e3
- MD5 e5d97fe038a2f5b91e521ec27d2d1ee4
- SHA1 41a8166bc24ba54d136a307dc485f1aede94177f
- SHA512 7e1b613f88d0431772614745f3af7cdc3421a15667baa8029059b8cc2968d908b0e782c127b8cd5224819ca9ea31697b0df60c09ccef839030b9a2d75d01feef
- 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: 2020.08.04 - 06:58:13 GMT Bot_ID: 664A9041-4AC4-46F3-B3DC-87DB4D57890E_Admin Running on a desktop =R=A=C=C=O=O=N= - Cookies: 0 - Passwords: 5 - Files: 0 System Information: - System Language: English - System TimeZone: -0 hrs - IP: 154.61.71.51 - Location: 37.750999, -97.821999 | ?, ?, United States (?) - ComputerName: GOHCSFBB - Username: Admin - Windows version: NT 10.0 - Product name: Windows 10 Pro - System arch: x64 - CPU: Persocon Processor 2.5+ (2 cores) - RAM: 4095 MB (698 MB used) - Screen resolution: 1280x720 - Display devices: 0) Microsoft Basic Display Adapter ============
Signatures
- Raccoon log file 1 IoCs
Detects a log file produced by the Raccoon Stealer.
yara_rule raccoon_log_file - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3588 wrote to memory of 3192 3588 e5d97fe038a2f5b91e521ec27d2d1ee4.exe 67 PID 3588 wrote to memory of 3192 3588 e5d97fe038a2f5b91e521ec27d2d1ee4.exe 67 PID 3588 wrote to memory of 3192 3588 e5d97fe038a2f5b91e521ec27d2d1ee4.exe 67 PID 3192 wrote to memory of 3292 3192 cmd.exe 69 PID 3192 wrote to memory of 3292 3192 cmd.exe 69 PID 3192 wrote to memory of 3292 3192 cmd.exe 69 - Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Loads dropped DLL 8 IoCs
pid Process 3588 e5d97fe038a2f5b91e521ec27d2d1ee4.exe 3588 e5d97fe038a2f5b91e521ec27d2d1ee4.exe 3588 e5d97fe038a2f5b91e521ec27d2d1ee4.exe 3588 e5d97fe038a2f5b91e521ec27d2d1ee4.exe 3588 e5d97fe038a2f5b91e521ec27d2d1ee4.exe 3588 e5d97fe038a2f5b91e521ec27d2d1ee4.exe 3588 e5d97fe038a2f5b91e521ec27d2d1ee4.exe 3588 e5d97fe038a2f5b91e521ec27d2d1ee4.exe - Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Delays execution with timeout.exe 1 IoCs
pid Process 3292 timeout.exe - JavaScript code in executable 1 IoCs
resource yara_rule behavioral2/files/0x000100000001ad94-1.dat js
Processes
-
C:\Users\Admin\AppData\Local\Temp\e5d97fe038a2f5b91e521ec27d2d1ee4.exe"C:\Users\Admin\AppData\Local\Temp\e5d97fe038a2f5b91e521ec27d2d1ee4.exe"1⤵
- Suspicious use of WriteProcessMemory
- Loads dropped DLL
PID:3588 -
C:\Windows\SysWOW64\cmd.execmd.exe /C timeout /T 10 /NOBREAK > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\e5d97fe038a2f5b91e521ec27d2d1ee4.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3192 -
C:\Windows\SysWOW64\timeout.exetimeout /T 10 /NOBREAK3⤵
- Delays execution with timeout.exe
PID:3292
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