General
- Target TunnelBear-Installer.exe
- Size 180.3MB
- Sample260727-lemlyscm4s
- SHA256 37448f91344a2cec36b6d515e308279cc313d22f16033f55d78cb4c6b094404a
- MD5 a1b035c5201100b3b5ca5717b4e891f1
- SHA1 a32d314a77700c98c6212533a6c4417bd9d791fb
- SHA512 261dc317686a3b6be64b3bbcf8840579185698f3bb87c761043fa870b09391b06e077d523b1063c4027d95fe74b74ca655af7ce3c91b9550ca4f891024249c42
- SSDEEP 3145728:5ASCpB/pDaEqshGx00D+WY3a8kJyTjgg+EIq5i/59DMKyeQglh4JiGaf:5Aj/hx4f9h88OD+MKSg34JiHf
- TLSH T1C2983333647C59BFD5F90033E1B496155F4B622C034989EBDA98EE9E7A3726321BB310
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
Behavioral task
behavioral1
Sample
TunnelBear-Installer.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
TunnelBear-Installer.exe
Resource
win11ltsc2024-20260710-en
Malware Config
Targets
-
- Target TunnelBear-Installer.exe
- Size 180.3MB
- SHA256 37448f91344a2cec36b6d515e308279cc313d22f16033f55d78cb4c6b094404a
- MD5 a1b035c5201100b3b5ca5717b4e891f1
- SHA1 a32d314a77700c98c6212533a6c4417bd9d791fb
- SHA512 261dc317686a3b6be64b3bbcf8840579185698f3bb87c761043fa870b09391b06e077d523b1063c4027d95fe74b74ca655af7ce3c91b9550ca4f891024249c42
- SSDEEP 3145728:5ASCpB/pDaEqshGx00D+WY3a8kJyTjgg+EIq5i/59DMKyeQglh4JiGaf:5Aj/hx4f9h88OD+MKSg34JiHf
- TLSH T1C2983333647C59BFD5F90033E1B496155F4B622C034989EBDA98EE9E7A3726321BB310
- MD5 SHA1 SHA512 SSDEEP TLSH
-
Drops file in Drivers directory
-
Manipulates Digital Signatures
Attackers can apply techniques such as changing the registry keys of authenticode & Cryptography to make their binary seem validly signed.
-
Adds Run key to start application
-
Boot or Logon Autostart Execution: Active Setup
Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.
-
Drops desktop.ini file(s)
-
Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
-
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
-
Drops file in System32 directory
-
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
2Active Setup
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1Component Object Model Hijacking
1Privilege Escalation
Boot or Logon Autostart Execution
2Active Setup
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1Component Object Model Hijacking
1Defense Evasion
Modify Registry
4Subvert Trust Controls
3Install Root Certificate
2SIP and Trust Provider Hijacking
1