General
- Target PREMUIM.exe
- Size 230KB
- Sample260730-2zb9qassbv
- SHA256 a0a573c816411f65771ff57a457aaa0d9c45b4ec3489b4fb27306fe5eb7b4d81
- MD5 bfffa6434d20e7985ba377004353b9c2
- SHA1 b6d8d5b8ecd2ffdaa9a3b89e8221417acaf8e23c
- SHA512 5b2e36c81c4d2ce2c13c9d3231f47365ec39ff98fc9916a6fa8f995ce417774f38b2de575c0fc6ea3916bee631c610c62f9bd22074837c4fa661ddee564c5979
- SSDEEP 6144:1loZMtrIkd8g+EtXHkv/iD4x1lBW0b3cnNImHHmxTb8e1mG3i:XoZOL+EP8x1lBW0b3cnNImHHm5vS
- TLSH T1CC346C5933B88B17E25F8BBDD5B1148F87B1F143E90AF78E0C8895F82412B42E949E57
- MD5 SHA1 SHA512 SSDEEP TLSH
Behavioral task
behavioral1
Sample
PREMUIM.exe
Resource
win10ltsc2021-20260513-en
Malware Config
Extracted
-
umbral
-
v1.3
-
https://discord.com/api/webhooks/1442834382510624891/sw8BIlkGlyGEAuqNLeT9dkLpQaTaCfOLwLK73CMKtQZy7a-r754rmOBlWjkWzTV4OoOA
Targets
-
- Target PREMUIM.exe
- Size 230KB
- SHA256 a0a573c816411f65771ff57a457aaa0d9c45b4ec3489b4fb27306fe5eb7b4d81
- MD5 bfffa6434d20e7985ba377004353b9c2
- SHA1 b6d8d5b8ecd2ffdaa9a3b89e8221417acaf8e23c
- SHA512 5b2e36c81c4d2ce2c13c9d3231f47365ec39ff98fc9916a6fa8f995ce417774f38b2de575c0fc6ea3916bee631c610c62f9bd22074837c4fa661ddee564c5979
- SSDEEP 6144:1loZMtrIkd8g+EtXHkv/iD4x1lBW0b3cnNImHHmxTb8e1mG3i:XoZOL+EP8x1lBW0b3cnNImHHm5vS
- TLSH T1CC346C5933B88B17E25F8BBDD5B1148F87B1F143E90AF78E0C8895F82412B42E949E57
- MD5 SHA1 SHA512 SSDEEP TLSH
-
Detects Umbral payload
-
Command and Scripting Interpreter: PowerShell
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
-
Disables one or more Microsoft Defender components
Uses the Powershell Set-MpPreference cmdlet to disable one or more Microsoft Defender components.
-
Disables automatic submission of suspicious files to Microsoft by Windows Defender
Uses the Powershell Set-MpPreference cmdlet to prevent Windows Defender from automatically sending files to Microsoft for analysis.
-
Contacts third-party web service commonly abused for C2
Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.
-
Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
MITRE ATT&CK Enterprise v16
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1