General
- Target DocusignInstaller.exe
- Size 4.0MB
- Sample260728-bmg2bsvgne
- SHA256 2d8afc1fbb23395ec56da0af6fbeb619a3a2f696dde065719f31cc0afeade907
- MD5 0e6c6a85c1164e448f8dfd9ecf14637a
- SHA1 a834c1d99c0e4488c068ad6cc5e5177134abf97a
- SHA512 9f50446a808ac7b543a0e1bfe115b727704541af80b54dee8731999eb348e3ad4cab903e300832d8b4845268ac99983487136a6ff571ed502602c947f6c6b65a
- SSDEEP 49152:QJGfRDdW5HTIL8sQ0YzAy5a0IhHqYNPseL9g+ncVrLUl22lIwplkRpU4Ag2yF3y0:fRg5HUowsA7TRs3ccVrdjwzku3yFwRFq
- TLSH T1D3163344D2031664CC3AA5709EABF4FBD13D6C6006958D47F66B0AA2DE77E90363BB4C
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
Behavioral task
behavioral1
Sample
DocusignInstaller.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
DocusignInstaller.exe
Resource
win11ltsc2024-20260709-en
Malware Config
Targets
-
- Target DocusignInstaller.exe
- Size 4.0MB
- SHA256 2d8afc1fbb23395ec56da0af6fbeb619a3a2f696dde065719f31cc0afeade907
- MD5 0e6c6a85c1164e448f8dfd9ecf14637a
- SHA1 a834c1d99c0e4488c068ad6cc5e5177134abf97a
- SHA512 9f50446a808ac7b543a0e1bfe115b727704541af80b54dee8731999eb348e3ad4cab903e300832d8b4845268ac99983487136a6ff571ed502602c947f6c6b65a
- SSDEEP 49152:QJGfRDdW5HTIL8sQ0YzAy5a0IhHqYNPseL9g+ncVrLUl22lIwplkRpU4Ag2yF3y0:fRg5HUowsA7TRs3ccVrdjwzku3yFwRFq
- TLSH T1D3163344D2031664CC3AA5709EABF4FBD13D6C6006958D47F66B0AA2DE77E90363BB4C
- 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.
-
Badlisted process makes network request
Network request originating from process or tool commonly abused by malware.
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Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
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Boot or Logon Autostart Execution: Authentication Package
Suspicious Windows Authentication Registry Modification.
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Drops file in System32 directory
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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.
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