General
- Target 20260827_wps_office_inst.doc.exe
- Size 5.5MB
- Sample260827-g1659sysbw
- SHA256 3cb6d3f2237d6b9ff3a903de28d5ac3c691db1685f0cc67bc4070cca11b09a30
- MD5 d23bbf6f75142b9a5cf8aeaa686feb9e
- SHA1 7e415afa83b52ea1c38bac41198840c767e22c2a
- SHA512 a4eb78303b387b9da9383d943dc06b9e615a68054276ffa41cfdb382db40c2fdff09c59d0abbb63ca4c96819042218e5d63b73b93ed043e1ef589521ba2c8059
- SSDEEP 98304:umZ3eGE9jD37+nOlsYf3Njm2f6OFhKvszGZ9pDjAB/qZ:1uGE9/IOlbBRhKvn9pXApqZ
- TLSH T13946B012FB8680F1E5D101B0547BBB76583DAA284B2489D7E7D12E7588302D37A3BB5F
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
Behavioral task
behavioral1
Sample
20260827_wps_office_inst.doc.exe
Resource
win10v2004-20260513-es
18 signatures
150 seconds
Behavioral task
behavioral2
Sample
20260827_wps_office_inst.doc.exe
Resource
win11ltsc2024-20260709-es
14 signatures
150 seconds
Malware Config
Targets
-
- Target 20260827_wps_office_inst.doc.exe
- Size 5.5MB
- SHA256 3cb6d3f2237d6b9ff3a903de28d5ac3c691db1685f0cc67bc4070cca11b09a30
- MD5 d23bbf6f75142b9a5cf8aeaa686feb9e
- SHA1 7e415afa83b52ea1c38bac41198840c767e22c2a
- SHA512 a4eb78303b387b9da9383d943dc06b9e615a68054276ffa41cfdb382db40c2fdff09c59d0abbb63ca4c96819042218e5d63b73b93ed043e1ef589521ba2c8059
- SSDEEP 98304:umZ3eGE9jD37+nOlsYf3Njm2f6OFhKvszGZ9pDjAB/qZ:1uGE9/IOlbBRhKvn9pXApqZ
- TLSH T13946B012FB8680F1E5D101B0547BBB76583DAA284B2489D7E7D12E7588302D37A3BB5F
- MD5 SHA1 SHA512 SSDEEP TLSH
-
Writes to the Master Boot Record (MBR)
Bootkits write to the MBR to gain persistence at a level below the operating system.
-
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
MITRE ATT&CK Enterprise v16
Defense Evasion
Modify Registry
1Pre-OS Boot
1Bootkit
1Subvert Trust Controls
1Install Root Certificate
1