General
- Target OperaSetup (2).exe
- Size 3.1MB
- Sample260620-s5429afx7j
- SHA256 5a4300757192b0190711fd048c666d70e3c613c937be50b550a60e4044925a60
- MD5 61355ede4c09646998f5b4a6066e121f
- SHA1 6665abc6e1b8dd8b813a83fe6421bdbf2cce1e3e
- SHA512 3332ad135d73fbf1cef0c8d729b3b7fa0dee2f80dadde55855945eed5c9fecdc50439b17defbdf384d3742fa582fe8cf22e5e96f8b3888bc394d8384e14bb49e
- SSDEEP 49152:4VAbw4Y5G+ucxnEvI2H3ytBuUadfTKldr2e8Lw59OKI/ubH7AXcS:0A9Y5G+jEvBXytw3Tmd2vKiSH7wcS
- TLSH T1F7E5234237C1D835D56330321F1AD6A8967DB9A01F31E69F73886A6E8EB0681D631F1F
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
OperaSetup (2).exe
Resource
win10v2004-20260513-en
27 signatures
150 seconds
Malware Config
Targets
-
- Target OperaSetup (2).exe
- Size 3.1MB
- SHA256 5a4300757192b0190711fd048c666d70e3c613c937be50b550a60e4044925a60
- MD5 61355ede4c09646998f5b4a6066e121f
- SHA1 6665abc6e1b8dd8b813a83fe6421bdbf2cce1e3e
- SHA512 3332ad135d73fbf1cef0c8d729b3b7fa0dee2f80dadde55855945eed5c9fecdc50439b17defbdf384d3742fa582fe8cf22e5e96f8b3888bc394d8384e14bb49e
- SSDEEP 49152:4VAbw4Y5G+ucxnEvI2H3ytBuUadfTKldr2e8Lw59OKI/ubH7AXcS:0A9Y5G+jEvBXytw3Tmd2vKiSH7wcS
- TLSH T1F7E5234237C1D835D56330321F1AD6A8967DB9A01F31E69F73886A6E8EB0681D631F1F
- MD5 SHA1 SHA512 SSDEEP TLSH
-
Detects KillMBR
-
Downloads MZ/PE file
-
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
-
Executes dropped EXE
-
Loads dropped DLL
-
Contacts third-party web service commonly abused for C2
Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.
-
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