Analysis
- max time kernel
74s - max time network
125s - platform
windows10_x64 - resource
win10 - submitted
31/07/2020, 10:20
Static task
static1
Behavioral task
behavioral1
Sample
0a3446edafe9dcde7e03f0a3ccc9ea10.exe
Resource
win7
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
0a3446edafe9dcde7e03f0a3ccc9ea10.exe
Resource
win10
0 signatures
0 seconds
General
- Target 0a3446edafe9dcde7e03f0a3ccc9ea10.exe
- Size 827KB
- Sample200731-r7ambrg86j
- SHA256 d8b4f035a0bfea78b46dcb6c904fa4ca84d7f758d2d5c749182e36d9f352a6b1
- MD5 0a3446edafe9dcde7e03f0a3ccc9ea10
- SHA1 05b6d68e2ccee2ab13386e842660323770808e00
- SHA512 73ae1e0e301df53796f8228bf9502abe089d5365b3a2538e525ac576788838fa68e0c0e54f2f1a3b6c6cd00b93e1fa971f17a50abcc43ba22c4df98c3eea2730
- 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: 2020.07.31 - 10:20:14 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 (693 MB used) - Screen resolution: 1280x720 - Display devices: 0) Microsoft Basic Display Adapter ============
Signatures
- JavaScript code in executable 1 IoCs
resource yara_rule behavioral2/files/0x000100000001ad96-1.dat 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.
- Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3788 wrote to memory of 3340 3788 0a3446edafe9dcde7e03f0a3ccc9ea10.exe 67 PID 3788 wrote to memory of 3340 3788 0a3446edafe9dcde7e03f0a3ccc9ea10.exe 67 PID 3788 wrote to memory of 3340 3788 0a3446edafe9dcde7e03f0a3ccc9ea10.exe 67 PID 3340 wrote to memory of 3572 3340 cmd.exe 69 PID 3340 wrote to memory of 3572 3340 cmd.exe 69 PID 3340 wrote to memory of 3572 3340 cmd.exe 69 - 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.
- Delays execution with timeout.exe 1 IoCs
pid Process 3572 timeout.exe - Loads dropped DLL 8 IoCs
pid Process 3788 0a3446edafe9dcde7e03f0a3ccc9ea10.exe 3788 0a3446edafe9dcde7e03f0a3ccc9ea10.exe 3788 0a3446edafe9dcde7e03f0a3ccc9ea10.exe 3788 0a3446edafe9dcde7e03f0a3ccc9ea10.exe 3788 0a3446edafe9dcde7e03f0a3ccc9ea10.exe 3788 0a3446edafe9dcde7e03f0a3ccc9ea10.exe 3788 0a3446edafe9dcde7e03f0a3ccc9ea10.exe 3788 0a3446edafe9dcde7e03f0a3ccc9ea10.exe - Raccoon log file 1 IoCs
Detects a log file produced by the Raccoon Stealer.
yara_rule raccoon_log_file
Processes
-
C:\Users\Admin\AppData\Local\Temp\0a3446edafe9dcde7e03f0a3ccc9ea10.exe"C:\Users\Admin\AppData\Local\Temp\0a3446edafe9dcde7e03f0a3ccc9ea10.exe"1⤵
- Suspicious use of WriteProcessMemory
- Loads dropped DLL
PID:3788 -
C:\Windows\SysWOW64\cmd.execmd.exe /C timeout /T 10 /NOBREAK > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\0a3446edafe9dcde7e03f0a3ccc9ea10.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3340 -
C:\Windows\SysWOW64\timeout.exetimeout /T 10 /NOBREAK3⤵
- Delays execution with timeout.exe
PID:3572
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