General
- Target btweb_installer.exe
- Size 2.1MB
- Sample260805-ppdctafq8v
- SHA256 f4a3f031d38ed26161abab40b902215ae2cb7f6bd9ef9df5b7f2fbfbaea3dac8
- MD5 2818080a11749b73e069d5e4ad2b9fb8
- SHA1 f7ea0889d2ec09f9e62004dcdc606314d44dfb37
- SHA512 3f454f9b918ddcf0658da144ac8ca3a743cd8942ed361c9ce0a1fbdaf374568941254a82da248b9b7d2179574531bc391a2b7a41a215dc9489abc07213c3eba4
- SSDEEP 49152:LuI2h7VQ3dAbj5nfpTBAHEUr9RSfIMnze5J:L5O7VyEj5nFaHEdImz6J
- TLSH T12CA5D13FB28B653EE06E5A367A72E610543B766165178C1697F4C88CCF250B01E3EB87
- MD5 SHA1 SHA512 SSDEEP TLSH
Behavioral task
behavioral1
Sample
btweb_installer.exe
Resource
win10v2004-20260513-en
21 signatures
150 seconds
Malware Config
Targets
-
- Target btweb_installer.exe
- Size 2.1MB
- SHA256 f4a3f031d38ed26161abab40b902215ae2cb7f6bd9ef9df5b7f2fbfbaea3dac8
- MD5 2818080a11749b73e069d5e4ad2b9fb8
- SHA1 f7ea0889d2ec09f9e62004dcdc606314d44dfb37
- SHA512 3f454f9b918ddcf0658da144ac8ca3a743cd8942ed361c9ce0a1fbdaf374568941254a82da248b9b7d2179574531bc391a2b7a41a215dc9489abc07213c3eba4
- SSDEEP 49152:LuI2h7VQ3dAbj5nfpTBAHEUr9RSfIMnze5J:L5O7VyEj5nFaHEdImz6J
- TLSH T12CA5D13FB28B653EE06E5A367A72E610543B766165178C1697F4C88CCF250B01E3EB87
- MD5 SHA1 SHA512 SSDEEP TLSH
-
Downloads MZ/PE file
-
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
-
Executes dropped EXE
-
Loads dropped DLL
-
Checks for any installed AV software in registry
-
Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
-
Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
-
Writes to the Master Boot Record (MBR)
Bootkits write to the MBR to gain persistence at a level below the operating system.
MITRE ATT&CK Enterprise v16
Defense Evasion
Modify Registry
1Pre-OS Boot
1Bootkit
1Subvert Trust Controls
1Install Root Certificate
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1