General
- Target patch_opsec.exe
- Size 21.9MB
- Sample260910-a9jm1ack9v
- SHA256 d2b73af1ef87cf414ce5f61a9f7c0935cb52ab0dbcdcc0c7e4553103f4d1e707
- MD5 132dd387a6c30920460bfbb601f13d40
- SHA1 c675d20f4c243eb54e8204fbe2ccc75a63e37e86
- SHA512 46c45c0caf9d786c042b1a56430d2436e09c1f43cc07870347c0fbee6546a461cbe360a694362e3356aaca8d8b0188c8b6437b50eabe97ec0e825e3fb7e36443
- SSDEEP 393216:mBHYyaC9sfDqv884uKzxw9TrjI1E75l/Gnd+0i2+rPcpgBnwovpwC9qm9:mBcRsR4tFKTrU2GN3pgBnwoR6m9
- TLSH T1403733381A873A8DD22FC1B592B1B5D927C983415BFD4F0D16B31DF0F08E69D21C9A6A
- MD5 SHA1 SHA512 SSDEEP TLSH
Behavioral task
behavioral1
Sample
patch_opsec.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
patch_opsec.exe
Resource
win11ltsc2024-20260710-en
Malware Config
Targets
-
- Target patch_opsec.exe
- Size 21.9MB
- SHA256 d2b73af1ef87cf414ce5f61a9f7c0935cb52ab0dbcdcc0c7e4553103f4d1e707
- MD5 132dd387a6c30920460bfbb601f13d40
- SHA1 c675d20f4c243eb54e8204fbe2ccc75a63e37e86
- SHA512 46c45c0caf9d786c042b1a56430d2436e09c1f43cc07870347c0fbee6546a461cbe360a694362e3356aaca8d8b0188c8b6437b50eabe97ec0e825e3fb7e36443
- SSDEEP 393216:mBHYyaC9sfDqv884uKzxw9TrjI1E75l/Gnd+0i2+rPcpgBnwovpwC9qm9:mBcRsR4tFKTrU2GN3pgBnwoR6m9
- TLSH T1403733381A873A8DD22FC1B592B1B5D927C983415BFD4F0D16B31DF0F08E69D21C9A6A
- MD5 SHA1 SHA512 SSDEEP TLSH
-
Identifies VirtualBox via ACPI registry values (likely anti-VM)
-
Downloads MZ/PE file
-
Modifies Windows Firewall
-
Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
-
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
-
Event Triggered Execution: Component Object Model Hijacking
Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.
-
Executes dropped EXE
-
Loads dropped DLL
-
Adds Run key to start application
-
Badlisted process makes network request
Network request originating from process or tool commonly abused by malware.
-
Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
-
Checks whether UAC is enabled
-
Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
-
Suspicious use of NtSetInformationThreadHideFromDebugger
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Component Object Model Hijacking
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Component Object Model Hijacking
1Defense Evasion
Hide Artifacts
1Ignore Process Interrupts
1Impair Defenses
1Disable or Modify System Firewall
1Modify Registry
1Virtualization/Sandbox Evasion
1