Analysis
- max time kernel
149s - max time network
156s - platform
windows10-2004_x64 - resource
win10v2004-20250217-en - resource tags
- submitted
27/02/2025, 04:25
General
- Target SecuriteInfo.com.Win32.CrypterX-gen.20419.20448.exe
- Size 801KB
- Sample250227-e157vswnz8
- SHA256 bf577ecd72cba029e0f09ba13fd808bbf730efae25ea4e35a4825ec9a57e0f9c
Malware Config
Signatures
- Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
- Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
- Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 36 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 14 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.20419.20448.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.20419.20448.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\zuNVUYBztc.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\zuNVUYBztc" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD7B3.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
-
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
-
C:\Windows\system32\wbem\WmiApSrv.exeC:\Windows\system32\wbem\WmiApSrv.exe1⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
__PSScriptPolicyTest_bejlbne2.h4o.ps1
tmpD7B3.tmp
memory/1820-8-0x0000000007540000-0x00000000075C6000-memory.dmp
memory/1820-11-0x0000000074D00000-0x00000000754B0000-memory.dmp
memory/1820-4-0x0000000005AD0000-0x0000000006074000-memory.dmp
memory/1820-6-0x0000000074D00000-0x00000000754B0000-memory.dmp
memory/1820-5-0x0000000005630000-0x000000000563A000-memory.dmp
memory/1820-7-0x0000000007230000-0x00000000072CC000-memory.dmp
memory/1820-1-0x0000000000080000-0x000000000014A000-memory.dmp
memory/1820-9-0x0000000005A80000-0x0000000005A98000-memory.dmp
memory/1820-10-0x0000000074D0E000-0x0000000074D0F000-memory.dmp
memory/1820-3-0x0000000004AB0000-0x0000000004B42000-memory.dmp
memory/1820-12-0x0000000008910000-0x0000000008972000-memory.dmp
memory/1820-0-0x0000000074D0E000-0x0000000074D0F000-memory.dmp
memory/1820-2-0x0000000005050000-0x000000000551C000-memory.dmp
memory/1820-38-0x0000000074D00000-0x00000000754B0000-memory.dmp
memory/1960-56-0x0000000005EA0000-0x0000000005EF0000-memory.dmp
memory/1960-67-0x0000000006260000-0x0000000006422000-memory.dmp
memory/1960-34-0x0000000000400000-0x000000000041E000-memory.dmp
memory/3208-36-0x0000000074D00000-0x00000000754B0000-memory.dmp
memory/3208-55-0x0000000006F50000-0x0000000006F6A000-memory.dmp
memory/3208-35-0x0000000005730000-0x0000000005A84000-memory.dmp
memory/3208-23-0x00000000055C0000-0x0000000005626000-memory.dmp
memory/3208-22-0x00000000054A0000-0x0000000005506000-memory.dmp
memory/3208-21-0x0000000004D40000-0x0000000004D62000-memory.dmp
memory/3208-18-0x0000000074D00000-0x00000000754B0000-memory.dmp
memory/3208-39-0x0000000005C00000-0x0000000005C1E000-memory.dmp
memory/3208-40-0x00000000061C0000-0x000000000620C000-memory.dmp
memory/3208-52-0x0000000006180000-0x000000000619E000-memory.dmp
memory/3208-42-0x0000000071A70000-0x0000000071ABC000-memory.dmp
memory/3208-41-0x0000000006210000-0x0000000006242000-memory.dmp
memory/3208-53-0x0000000006E10000-0x0000000006EB3000-memory.dmp
memory/3208-24-0x0000000074D00000-0x00000000754B0000-memory.dmp
memory/3208-54-0x00000000075A0000-0x0000000007C1A000-memory.dmp
memory/3208-19-0x0000000004D80000-0x00000000053A8000-memory.dmp
memory/3208-57-0x0000000006FC0000-0x0000000006FCA000-memory.dmp
memory/3208-58-0x00000000071D0000-0x0000000007266000-memory.dmp
memory/3208-59-0x0000000007150000-0x0000000007161000-memory.dmp
memory/3208-61-0x00000000071A0000-0x00000000071B4000-memory.dmp
memory/3208-60-0x0000000007190000-0x000000000719E000-memory.dmp
memory/3208-63-0x0000000007270000-0x0000000007278000-memory.dmp
memory/3208-62-0x0000000007290000-0x00000000072AA000-memory.dmp
memory/3208-66-0x0000000074D00000-0x00000000754B0000-memory.dmp
memory/3208-17-0x0000000002320000-0x0000000002356000-memory.dmp