Analysis
- max time kernel
127s - max time network
147s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
02/09/2022, 17:20
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220812-en
3 signatures
150 seconds
General
- Target file.exe
- Size 4.1MB
- Sample220902-vwfpeacag8
- SHA256 ff3ae8fff0d1862d4bde8f61e0ed14ef76d6d2cc6d940bb83dc0b4cfdacc2752
- MD5 bb1dec3065d196ef788c2907ad6f5494
- SHA1 4775ac52549c6547aa20239f5ac00ee6c9ef23f7
- SHA512 42e1cae0bdcde411cd72b6f28878781ce06666afd33dcd98c2e16e66f3f7b58fa797be36d15b110df1ce8acac523247499dba3a70e6420ebce6d3ac08fe9b388
- SSDEEP 98304:povZKvwtbFyqeDZ1RLaTIZyS7+4ScSgOFzG7SdINkn:aZiYhyqez5TJ+ESgOFi76iw
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- YTStealer payload 3 IoCs
resource yara_rule behavioral2/memory/1012-132-0x00000000002E0000-0x0000000001105000-memory.dmp family_ytstealer behavioral2/memory/1012-133-0x00000000002E0000-0x0000000001105000-memory.dmp family_ytstealer behavioral2/memory/1012-137-0x00000000002E0000-0x0000000001105000-memory.dmp family_ytstealer -
resource yara_rule behavioral2/memory/1012-132-0x00000000002E0000-0x0000000001105000-memory.dmp upx behavioral2/memory/1012-133-0x00000000002E0000-0x0000000001105000-memory.dmp upx behavioral2/memory/1012-137-0x00000000002E0000-0x0000000001105000-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 2 IoCs
pid Process 1768 powershell.exe 1768 powershell.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1768 powershell.exe - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 1012 wrote to memory of 1768 1012 file.exe 90 PID 1012 wrote to memory of 1768 1012 file.exe 90
Processes
-
C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:1012 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell "" "Get-WmiObject Win32_PortConnector"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1768
-