Analysis
- max time kernel
51s - max time network
180s - platform
windows10-1703_x64 - resource
win10-20220812-en - resource tags
arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system - submitted
30/08/2022, 01:46
Behavioral task
behavioral1
Sample
4f5912a61d75f34126a01894f02a79dc6bc6827c055a2afe20e35b078772cf14.exe
Resource
win7-20220812-en
6 signatures
300 seconds
General
- Target 4f5912a61d75f34126a01894f02a79dc6bc6827c055a2afe20e35b078772cf14.exe
- Size 4.0MB
- Sample220830-b672vsbag7
- SHA256 4f5912a61d75f34126a01894f02a79dc6bc6827c055a2afe20e35b078772cf14
- MD5 f4210ec5240c10dce02aef7a23a602c9
- SHA1 0a30769a0d0e96c26205b4277793e164c9f6885d
- SHA512 b6f67a9ea4ea85a6b3704cb3716d46c1fc6c544e43999ea45d83f068fe9dcd46bfd62a68325047ebaa01da9c629ba7c4a3a5ffd805fc9fcff5304594db95fa36
- SSDEEP 98304:D6mT/rp+B9JCEMRwoTDN8F4Nu8jQZoVlU7o:DR/tcJiwoTDuF98jyqlU0
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- YTStealer payload 2 IoCs
resource yara_rule behavioral2/memory/2248-118-0x00000000008D0000-0x00000000016A9000-memory.dmp family_ytstealer behavioral2/memory/2248-121-0x00000000008D0000-0x00000000016A9000-memory.dmp family_ytstealer -
resource yara_rule behavioral2/memory/2248-118-0x00000000008D0000-0x00000000016A9000-memory.dmp upx behavioral2/memory/2248-121-0x00000000008D0000-0x00000000016A9000-memory.dmp upx - Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 2248 4f5912a61d75f34126a01894f02a79dc6bc6827c055a2afe20e35b078772cf14.exe 2248 4f5912a61d75f34126a01894f02a79dc6bc6827c055a2afe20e35b078772cf14.exe 2248 4f5912a61d75f34126a01894f02a79dc6bc6827c055a2afe20e35b078772cf14.exe 2248 4f5912a61d75f34126a01894f02a79dc6bc6827c055a2afe20e35b078772cf14.exe - Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2248 wrote to memory of 3548 2248 4f5912a61d75f34126a01894f02a79dc6bc6827c055a2afe20e35b078772cf14.exe 67 PID 2248 wrote to memory of 3548 2248 4f5912a61d75f34126a01894f02a79dc6bc6827c055a2afe20e35b078772cf14.exe 67 PID 3548 wrote to memory of 5060 3548 cmd.exe 69 PID 3548 wrote to memory of 5060 3548 cmd.exe 69
Processes
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C:\Users\Admin\AppData\Local\Temp\4f5912a61d75f34126a01894f02a79dc6bc6827c055a2afe20e35b078772cf14.exe"C:\Users\Admin\AppData\Local\Temp\4f5912a61d75f34126a01894f02a79dc6bc6827c055a2afe20e35b078772cf14.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2248 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /C choice /C Y /N /D Y /T 0 &Del C:\Users\Admin\AppData\Local\Temp\4f5912a61d75f34126a01894f02a79dc6bc6827c055a2afe20e35b078772cf14.exe2⤵
- Suspicious use of WriteProcessMemory
PID:3548 -
C:\Windows\system32\choice.exechoice /C Y /N /D Y /T 03⤵PID:5060
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