Analysis
- max time kernel
149s - max time network
122s - platform
windows10_x64 - resource
win10v20201028 - submitted
08/11/2020, 17:51
General
- Target f9d9f5051fcc32e496d5a1ca1ced94e045cd75e7607f328727469de7482174d4.exe
- Size 466KB
- Sample201108-ws969c48xe
- SHA256 f9d9f5051fcc32e496d5a1ca1ced94e045cd75e7607f328727469de7482174d4
Malware Config
Signatures
- Executes dropped EXE 4 IoCs
- Drops startup file 1 IoCs
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Adds Run key to start application 2 TTPs 3 IoCs
- Drops file in Program Files directory 1 IoCs
- Modifies registry key 1 TTPs 1 IoCs
- Suspicious behavior: EnumeratesProcesses 12 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 18 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\f9d9f5051fcc32e496d5a1ca1ced94e045cd75e7607f328727469de7482174d4.exe"C:\Users\Admin\AppData\Local\Temp\f9d9f5051fcc32e496d5a1ca1ced94e045cd75e7607f328727469de7482174d4.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\Microsoft\Search\SearchHelper.exe"C:\Users\Admin\AppData\Roaming\Microsoft\Search\SearchHelper.exe"2⤵
- Executes dropped EXE
- Drops startup file
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
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C:\Users\Admin\AppData\Local\Temp\WER9mso.dir00\com3.exe"\\.\C:\Users\Admin\AppData\Local\Temp\WER9mso.dir00\com3.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\reg.exe"C:\Windows\System32\reg.exe" ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /f /t REG_SZ /v "Intel GPU" /d "C:\Program Files\Intel GPU\GfxUI.exe"3⤵
- Adds Run key to start application
- Modifies registry key
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C:\Users\Admin\AppData\Local\Temp\f9d9f5051fcc32e496d5a1ca1ced94e045cd75e7607f328727469de7482174d4.exe"C:\Users\Admin\AppData\Local\Temp\f9d9f5051fcc32e496d5a1ca1ced94e045cd75e7607f328727469de7482174d4.exe" silent pause2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\Microsoft\Search\SearchHelper.exe"C:\Users\Admin\AppData\Roaming\Microsoft\Search\SearchHelper.exe"3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
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C:\Users\Admin\AppData\Local\Temp\WER9mso.dir00\com3.exe"\\.\C:\Users\Admin\AppData\Local\Temp\WER9mso.dir00\com3.exe"3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1616-160-0x0000000002910000-0x0000000002911000-memory.dmp
memory/1616-232-0x0000000002910000-0x0000000002911000-memory.dmp
memory/1616-231-0x0000000002910000-0x0000000002911000-memory.dmp
memory/1616-225-0x0000000002910000-0x0000000002911000-memory.dmp
memory/1616-217-0x0000000002910000-0x0000000002911000-memory.dmp
memory/1616-157-0x0000000002910000-0x0000000002911000-memory.dmp
memory/1616-156-0x0000000002910000-0x0000000002911000-memory.dmp
memory/1616-155-0x0000000063080000-0x00000000631EC000-memory.dmp
memory/2396-178-0x0000000063080000-0x00000000631EC000-memory.dmp
memory/2396-305-0x0000000002840000-0x0000000002841000-memory.dmp
memory/2396-304-0x0000000002840000-0x0000000002841000-memory.dmp
memory/2396-234-0x0000000002840000-0x0000000002841000-memory.dmp
memory/2396-233-0x0000000002840000-0x0000000002841000-memory.dmp
memory/3404-373-0x0000000002880000-0x0000000002881000-memory.dmp
memory/3404-314-0x0000000002880000-0x0000000002881000-memory.dmp
memory/3404-449-0x0000000002880000-0x0000000002881000-memory.dmp
memory/3404-312-0x0000000002880000-0x0000000002881000-memory.dmp
memory/3404-315-0x0000000002880000-0x0000000002881000-memory.dmp
memory/3404-429-0x0000000002880000-0x0000000002881000-memory.dmp
memory/3404-405-0x0000000002880000-0x0000000002881000-memory.dmp
memory/3404-311-0x0000000063080000-0x00000000631EC000-memory.dmp
memory/3404-431-0x0000000002880000-0x0000000002881000-memory.dmp
memory/3404-437-0x0000000002880000-0x0000000002881000-memory.dmp
memory/3404-454-0x0000000002880000-0x0000000002881000-memory.dmp
memory/3660-318-0x0000000002900000-0x0000000002901000-memory.dmp
memory/3660-320-0x0000000002900000-0x0000000002901000-memory.dmp
memory/3660-457-0x0000000002900000-0x0000000002901000-memory.dmp
memory/3660-456-0x0000000002900000-0x0000000002901000-memory.dmp
memory/3660-447-0x0000000002900000-0x0000000002901000-memory.dmp
memory/3660-313-0x0000000063080000-0x00000000631EC000-memory.dmp
memory/3660-433-0x0000000002900000-0x0000000002901000-memory.dmp
memory/3660-316-0x0000000002900000-0x0000000002901000-memory.dmp
memory/3660-424-0x0000000002900000-0x0000000002901000-memory.dmp
memory/4440-76-0x0000000002840000-0x0000000002841000-memory.dmp
memory/4440-140-0x0000000002840000-0x0000000002841000-memory.dmp
memory/4440-133-0x0000000002840000-0x0000000002841000-memory.dmp
memory/4440-75-0x0000000063080000-0x00000000631EC000-memory.dmp
memory/4440-77-0x0000000002840000-0x0000000002841000-memory.dmp
memory/4440-78-0x0000000002840000-0x0000000002841000-memory.dmp
memory/4680-0-0x0000000063080000-0x00000000631EC000-memory.dmp
memory/4680-17-0x0000000002920000-0x0000000002921000-memory.dmp
memory/4680-22-0x0000000002920000-0x0000000002921000-memory.dmp
memory/4680-3-0x0000000002920000-0x0000000002921000-memory.dmp
memory/4680-2-0x0000000002920000-0x0000000002921000-memory.dmp
memory/4680-25-0x0000000002920000-0x0000000002921000-memory.dmp
memory/4680-65-0x0000000002920000-0x0000000002921000-memory.dmp
memory/4680-1-0x0000000002920000-0x0000000002921000-memory.dmp