General
- Target Portmaster.exe
- Size 226KB
- Sample260525-sq511act7l
- SHA256 0acec441bd5e924c678d740919a076238ea9674e0a40876fc99f7ba814a8c9fe
- MD5 dfa00a9673756016084c67c347d982d1
- SHA1 e474417387df66a3635611b75b28443be117e6b6
- SHA512 33f55aaf774c986c7bdae08841e80a3f0f26d6c41ee1e9d0ba120807fc20cc5f90295a00cdd8cc35b78622590bbd3529077cb40617e437f6fa7024638af070fb
- SSDEEP 6144:zxnJ0x3dDeV15Kr3Qnka7To9z6i/4Ij8PLo:zErDm155Ezpj8PLo
- TLSH T190348D00B981C036D566583649B9DF765A2EBCB04F609ACBB3C40EFDCE346D09B39B56
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
Behavioral task
behavioral1
Sample
Portmaster.exe
Resource
win10v2004-20260513-uk
Behavioral task
behavioral2
Sample
Portmaster.exe
Resource
win10ltsc2021-20260513-uk
Behavioral task
behavioral3
Sample
Portmaster.exe
Resource
win11-20260513-uk
Malware Config
Extracted
-
ps1
-
ps1.dropper
http://evil.xyz/steal.ps1
Targets
-
- Target Portmaster.exe
- Size 226KB
- SHA256 0acec441bd5e924c678d740919a076238ea9674e0a40876fc99f7ba814a8c9fe
- MD5 dfa00a9673756016084c67c347d982d1
- SHA1 e474417387df66a3635611b75b28443be117e6b6
- SHA512 33f55aaf774c986c7bdae08841e80a3f0f26d6c41ee1e9d0ba120807fc20cc5f90295a00cdd8cc35b78622590bbd3529077cb40617e437f6fa7024638af070fb
- SSDEEP 6144:zxnJ0x3dDeV15Kr3Qnka7To9z6i/4Ij8PLo:zErDm155Ezpj8PLo
- TLSH T190348D00B981C036D566583649B9DF765A2EBCB04F609ACBB3C40EFDCE346D09B39B56
- MD5 SHA1 SHA512 SSDEEP TLSH
-
Grants admin privileges
Uses net.exe to modify the user's privileges.
-
Remote Service Session Hijacking: RDP Hijacking
Adversaries may hijack a legitimate user's remote desktop session to move laterally within an environment.
-
Badlisted process makes network request
Network request originating from process or tool commonly abused by malware.
-
Disables RegEdit via registry modification
-
Disables Task Manager via registry modification
-
Disables one or more Microsoft Defender components
Uses the Powershell Set-MpPreference cmdlet to disable one or more Microsoft Defender components.
-
Modifies Windows Firewall
-
Disables service(s)
-
Drops startup file
-
Writes to the Master Boot Record (MBR)
Bootkits write to the MBR to gain persistence at a level below the operating system.
-
Drops file in System32 directory
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1System Services
1Service Execution
1Persistence
Account Manipulation
1Create or Modify System Process
2Windows Service
2Event Triggered Execution
1Netsh Helper DLL
1Pre-OS Boot
1Bootkit
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Account Manipulation
1Create or Modify System Process
2Windows Service
2Event Triggered Execution
1Netsh Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Defense Evasion
Impair Defenses
2Disable or Modify System Firewall
1Disable or Modify Tools
1Pre-OS Boot
1Bootkit
1