Analysis Overview
SHA256
b61ac5944e5ea917cdfafc56beff6b0c14c073aea71336f939bae1a7bb432106
Threat Level: Known bad
The file b61ac5944e5ea917cdfafc56beff6b0c14c073aea71336f939bae1a7bb432106.exe was found to be: Known bad.
Malicious Activity Summary
AgentTesla
Detects executables referencing many file transfer clients. Observed in information stealers
Detects executables packed with or use KoiVM
Detect packed .NET executables. Mostly AgentTeslaV4.
Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Detects executables referencing Windows vault credential objects. Observed in infostealers
Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Detects executables referencing many email and collaboration clients. Observed in information stealers
Suspicious use of SetThreadContext
Unsigned PE
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2024-06-12 02:03
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-12 02:03
Reported
2024-06-12 02:05
Platform
win10v2004-20240508-en
Max time kernel
147s
Max time network
150s
Command Line
Signatures
AgentTesla
Detect packed .NET executables. Mostly AgentTeslaV4.
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Detects executables packed with or use KoiVM
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Detects executables referencing Windows vault credential objects. Observed in infostealers
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Detects executables referencing many email and collaboration clients. Observed in information stealers
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Detects executables referencing many file transfer clients. Observed in information stealers
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1416 set thread context of 3640 | N/A | C:\Users\Admin\AppData\Local\Temp\b61ac5944e5ea917cdfafc56beff6b0c14c073aea71336f939bae1a7bb432106.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\b61ac5944e5ea917cdfafc56beff6b0c14c073aea71336f939bae1a7bb432106.exe
"C:\Users\Admin\AppData\Local\Temp\b61ac5944e5ea917cdfafc56beff6b0c14c073aea71336f939bae1a7bb432106.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe"
Network
Files
memory/1416-0-0x00007FFA4C3A3000-0x00007FFA4C3A5000-memory.dmp
memory/1416-1-0x0000025A2BFE0000-0x0000025A2C226000-memory.dmp
memory/1416-2-0x00007FFA4C3A0000-0x00007FFA4CE61000-memory.dmp
memory/1416-3-0x0000025A46C60000-0x0000025A46CF2000-memory.dmp
memory/3640-4-0x0000000000400000-0x0000000000440000-memory.dmp
memory/3640-5-0x000000007545E000-0x000000007545F000-memory.dmp
memory/3640-6-0x00000000055D0000-0x0000000005B74000-memory.dmp
memory/3640-7-0x0000000005120000-0x0000000005186000-memory.dmp
memory/3640-8-0x0000000075450000-0x0000000075C00000-memory.dmp
memory/1416-9-0x00007FFA4C3A0000-0x00007FFA4CE61000-memory.dmp
memory/3640-10-0x0000000006050000-0x00000000060A0000-memory.dmp
memory/3640-11-0x0000000006140000-0x00000000061D2000-memory.dmp
memory/3640-12-0x00000000062E0000-0x00000000062EA000-memory.dmp
memory/3640-13-0x000000007545E000-0x000000007545F000-memory.dmp
memory/3640-14-0x0000000075450000-0x0000000075C00000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-12 02:03
Reported
2024-06-12 02:05
Platform
win7-20240221-en
Max time kernel
118s
Max time network
123s
Command Line
Signatures
AgentTesla
Detect packed .NET executables. Mostly AgentTeslaV4.
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Detects executables packed with or use KoiVM
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Detects executables referencing Windows vault credential objects. Observed in infostealers
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Detects executables referencing many email and collaboration clients. Observed in information stealers
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Detects executables referencing many file transfer clients. Observed in information stealers
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1968 set thread context of 2308 | N/A | C:\Users\Admin\AppData\Local\Temp\b61ac5944e5ea917cdfafc56beff6b0c14c073aea71336f939bae1a7bb432106.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\b61ac5944e5ea917cdfafc56beff6b0c14c073aea71336f939bae1a7bb432106.exe
"C:\Users\Admin\AppData\Local\Temp\b61ac5944e5ea917cdfafc56beff6b0c14c073aea71336f939bae1a7bb432106.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe"
C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 1968 -s 664
Network
Files
memory/1968-0-0x000007FEF6173000-0x000007FEF6174000-memory.dmp
memory/1968-1-0x0000000001000000-0x0000000001246000-memory.dmp
memory/1968-2-0x000007FEF6170000-0x000007FEF6B5C000-memory.dmp
memory/1968-3-0x000000001B4E0000-0x000000001B572000-memory.dmp
memory/2308-4-0x0000000000400000-0x0000000000440000-memory.dmp
memory/2308-6-0x0000000000400000-0x0000000000440000-memory.dmp
memory/2308-15-0x0000000000400000-0x0000000000440000-memory.dmp
memory/2308-17-0x0000000000400000-0x0000000000440000-memory.dmp
memory/2308-13-0x0000000000400000-0x0000000000440000-memory.dmp
memory/2308-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2308-10-0x0000000000400000-0x0000000000440000-memory.dmp
memory/2308-8-0x0000000000400000-0x0000000000440000-memory.dmp
memory/2308-18-0x0000000074D2E000-0x0000000074D2F000-memory.dmp
memory/2308-19-0x0000000074D20000-0x000000007540E000-memory.dmp
memory/1968-20-0x000007FEF6173000-0x000007FEF6174000-memory.dmp
memory/1968-21-0x000007FEF6170000-0x000007FEF6B5C000-memory.dmp
memory/2308-22-0x0000000074D2E000-0x0000000074D2F000-memory.dmp
memory/2308-23-0x0000000074D20000-0x000000007540E000-memory.dmp