General
- Target 10092026_0906_09092026_building_permit_update.vbs.zip
- Size 949B
- Sample260910-k2zdlagc98
- SHA256 5c14875733312043474271af6b898e3193432d6872d76e39ac9700146f78bd14
- MD5 357fd7f0a21ef89f60335189592aa869
- SHA1 342653988e75e8ced1ea1002314bb57016ca4abe
- SHA512 98e321a778a4977057e3bdad666a1863257d547f593c43c6c297e92a5a1253ea4db9ec48a9577b1e21b769464aa6b893583903022bfbad9840cf2abd3b7cb952
- TLSH T109114415C2227151C6E21B7D108D17816D70966ACED3414BCE61C7F5B86DAD25B32F8F
- MD5 SHA1 SHA512 TLSH
Static task
static1
Behavioral task
behavioral1
Sample
building_permit_update.vbs
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
building_permit_update.vbs
Resource
win11ltsc2024-20260709-en
Malware Config
Targets
-
- Target building_permit_update.vbs
- Size 1KB
- SHA256 4804157b82bf443e78decfaf682d3fee541cc4b721365617e74f5ee3a6aa5f5b
- MD5 85b01953e88f9d5dd3aa03c8c3f144c1
- SHA1 64fcc21a5bf29ff1d993fc55c44224bff33494df
- SHA512 f332f39bfc42493565467aa526fa4260ad3f9240073bd6a1ae23c04df6193e9a756aedf5887e2ce62711c97a21635b5036e280f18c2375503b6fa2b37eadc637
- TLSH T1EA216500AC5682A4F6731C86D42FA45DF9DB50970237582E3D4ED6870F307EE91F2678
- MD5 SHA1 SHA512 TLSH
-
Sets service image path in registry
This determines the executable launched when a service starts. It can be used to establish persistence.
-
Signed with revoked ConnectWise certificate
Binary is signed using a ConnectWise certificate revoked for key compromise.
-
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
-
Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
-
Boot or Logon Autostart Execution: Authentication Package
Suspicious Windows Authentication Registry Modification.
-
Drops file in System32 directory
-
Executes a VBScript file via the Windows Script Host.
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
2Authentication Package
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
2Authentication Package
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Component Object Model Hijacking
1