General
- Target AdobeAcrobat_SecureDocument_Setup.zip
- Size 6KB
- Sample260903-w2hlmazsat
- SHA256 a4183af267690ee75a88ac3cb2cd99ba133e080a9cf4c92e6b837a5dc6c54456
- MD5 b9055b9cafaeb6c1f2361c092c098d18
- SHA1 4bbb6b0656f2b1badd10356109ed4a97a7c1abfc
- SHA512 1cab920e44317a52f8aacd39bddd6c8807330d932c1219c920b59f3bbfcaea101dc7c56bc4b827fb4c5614181ffe2197873e2c9a14808aa1453db6c8f50023aa
- SSDEEP 192:iqFhg+4uI6zqaJ1ZaEaaan7an6aVjsnLpqQ4JHrA5K:iq/94uI6JJ1ZhnO32wVt4JH0s
- TLSH T1A5D1543EDA36E8C0C7BE71B49C943F5B20A41B27C6F45974E99109621D64345EF2B2DC
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
Behavioral task
behavioral1
Sample
AdobeAcrobatDesktopSetup.vbs
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
AdobeAcrobatDesktopSetup.vbs
Resource
win11ltsc2024-20260709-en
Malware Config
Extracted
-
ps1
-
exe.dropper
https://dash.humwan.cfd/Bin/ScreenConnect.ClientSetup.msi?e=Access&y=Guest&t=DocuSign&c=DocuSign&c=DocuSign&c=DocuSign&c=&c=&c=&c=
Targets
-
- Target AdobeAcrobatDesktopSetup.vbs
- Size 5KB
- SHA256 fe1e842fb8662e31d1e5adad0b98972c69fe5869890af042df1b75fa750dc0f7
- MD5 22f0c4f3f26e0eba2d972a864e38fbb6
- SHA1 ffdcaf7bdaf470a044e07335990049b3d9f33aba
- SHA512 7f0034ac0a0db2838242d467de20b16085db2a6181f8db54f8822439ba8f70858636756533e2c1620e874062e1ffa8077ba2ef1971d279d7cae90350032e3e34
- SSDEEP 96:++cVuIGPzqaY41SEu2argaRganypganyoga8YO8j4znLGgqQn4rm5q3HrfG2GEpd:++4uI6zqaJ1ZaEaaan7an6aVjsnLpqQc
- TLSH T199B1633DDA36ECC0077E70A49CA42F5A20A01F27C7F45978E99109660E68346EF6B39C
- MD5 SHA1 SHA512 SSDEEP 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