Analysis
- max time kernel
81s - max time network
138s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
16/05/2024, 23:06
General
- Target pps.ps1
- Size 1.0MB
- Sample240516-23da7adc88
- SHA256 82f7781ebf1aa649a3697ed570fc11ba0a35b810782c953c145850f314c07e21
Malware Config
Signatures
- Downloads MZ/PE file
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 4 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Using powershell.exe command.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Program crash 2 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 2 IoCs
- Suspicious use of WriteProcessMemory 13 IoCs
Processes
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\pps.ps11⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Public\nvb.exe"C:\Users\Public\nvb.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Users\Public\nvb.exe"C:\Users\Public\nvb.exe"3⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\bvasdvdfsds.exe"C:\Users\Admin\AppData\Local\Temp\bvasdvdfsds.exe" 04⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\BLHisbnd.exe"C:\Users\Admin\AppData\Local\Temp\BLHisbnd.exe"5⤵
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C:\Users\Admin\AppData\Local\Temp\bvasdvdfsds.exe"C:\Users\Admin\AppData\Local\Temp\bvasdvdfsds.exe"5⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2940 -s 4486⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2940 -s 4726⤵
- Program crash
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C:\Users\Admin\AppData\Local\Temp\dfgdvdfsds.exe"C:\Users\Admin\AppData\Local\Temp\dfgdvdfsds.exe" 04⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Local\Temp\cvbfsds.exe"C:\Users\Admin\AppData\Local\Temp\cvbfsds.exe" 04⤵
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C:\Users\Admin\AppData\Local\Temp\bvcfsds.exe"C:\Users\Admin\AppData\Local\Temp\bvcfsds.exe" 04⤵
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C:\Windows\SysWOW64\dialer.exe"C:\Windows\system32\dialer.exe"1⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2940 -ip 29401⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 2940 -ip 29401⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
BLHisbnd.exe
__PSScriptPolicyTest_ibo3ke3h.ezb.ps1
bvasdvdfsds.exe
bvcfsds.exe
bvcfsds.exe
cvbfsds.exe
nvb.exe
memory/1316-5109-0x0000000005B10000-0x0000000005DC8000-memory.dmp
memory/1316-4984-0x0000000000F40000-0x00000000012A0000-memory.dmp
memory/1852-11-0x00007FF9BD410000-0x00007FF9BDED1000-memory.dmp
memory/1852-0-0x00007FF9BD413000-0x00007FF9BD415000-memory.dmp
memory/1852-12-0x00007FF9BD410000-0x00007FF9BDED1000-memory.dmp
memory/1852-21-0x00007FF9BD410000-0x00007FF9BDED1000-memory.dmp
memory/1852-6-0x0000024A29DF0000-0x0000024A29E12000-memory.dmp
memory/2832-28-0x0000000000400000-0x0000000000408000-memory.dmp
memory/2832-25-0x0000000000400000-0x0000000000408000-memory.dmp
memory/2832-30-0x0000000000400000-0x0000000000405000-memory.dmp
memory/2832-34-0x0000000000400000-0x0000000000405000-memory.dmp
memory/2832-10488-0x0000000000400000-0x0000000000405000-memory.dmp
memory/2832-10487-0x0000000000400000-0x0000000000408000-memory.dmp
memory/4428-76-0x0000000005850000-0x0000000005CFB000-memory.dmp
memory/4428-84-0x0000000005850000-0x0000000005CFB000-memory.dmp
memory/4428-58-0x0000000005850000-0x0000000005CFB000-memory.dmp
memory/4428-60-0x0000000005850000-0x0000000005CFB000-memory.dmp
memory/4428-64-0x0000000005850000-0x0000000005CFB000-memory.dmp
memory/4428-66-0x0000000005850000-0x0000000005CFB000-memory.dmp
memory/4428-70-0x0000000005850000-0x0000000005CFB000-memory.dmp
memory/4428-68-0x0000000005850000-0x0000000005CFB000-memory.dmp
memory/4428-62-0x0000000005850000-0x0000000005CFB000-memory.dmp
memory/4428-80-0x0000000005850000-0x0000000005CFB000-memory.dmp
memory/4428-54-0x0000000005850000-0x0000000005CFB000-memory.dmp
memory/4428-72-0x0000000005850000-0x0000000005CFB000-memory.dmp
memory/4428-82-0x0000000005850000-0x0000000005CFB000-memory.dmp
memory/4428-88-0x0000000005850000-0x0000000005CFB000-memory.dmp
memory/4428-94-0x0000000005850000-0x0000000005CFB000-memory.dmp
memory/4428-96-0x0000000005850000-0x0000000005CFB000-memory.dmp
memory/4428-92-0x0000000005850000-0x0000000005CFB000-memory.dmp
memory/4428-90-0x0000000005850000-0x0000000005CFB000-memory.dmp
memory/4428-86-0x0000000005850000-0x0000000005CFB000-memory.dmp
memory/4428-52-0x0000000005850000-0x0000000005CFB000-memory.dmp
memory/4428-78-0x0000000005850000-0x0000000005CFB000-memory.dmp
memory/4428-74-0x0000000005850000-0x0000000005CFB000-memory.dmp
memory/4428-98-0x0000000005850000-0x0000000005CFB000-memory.dmp
memory/4428-104-0x0000000005850000-0x0000000005CFB000-memory.dmp
memory/4428-102-0x0000000005850000-0x0000000005CFB000-memory.dmp
memory/4428-108-0x0000000005850000-0x0000000005CFB000-memory.dmp
memory/4428-106-0x0000000005850000-0x0000000005CFB000-memory.dmp
memory/4428-100-0x0000000005850000-0x0000000005CFB000-memory.dmp
memory/4428-4943-0x0000000005130000-0x000000000517C000-memory.dmp
memory/4428-4942-0x0000000007330000-0x000000000761C000-memory.dmp
memory/4428-56-0x0000000005850000-0x0000000005CFB000-memory.dmp
memory/4428-4985-0x0000000009460000-0x0000000009A04000-memory.dmp
memory/4428-51-0x0000000005850000-0x0000000005CFB000-memory.dmp
memory/4428-4995-0x0000000008880000-0x00000000088D4000-memory.dmp
memory/4428-50-0x0000000005850000-0x0000000005D00000-memory.dmp
memory/4428-49-0x0000000000800000-0x0000000000D5A000-memory.dmp
memory/5116-31-0x0000000002120000-0x0000000002125000-memory.dmp
memory/5116-24-0x0000000002120000-0x0000000002125000-memory.dmp
memory/5116-23-0x0000000000580000-0x0000000000581000-memory.dmp
memory/5116-22-0x0000000077B12000-0x0000000077B13000-memory.dmp