General
- Target koch.exe
- Size 168KB
- Sample260718-kgtmlshs7z
- SHA256 d6cdc34803e1498b20f985bacf621844b244e5cd36f1dd9b450daf745b2d089a
- MD5 88ff9aa3ab31eab2c40a3e536f060c2c
- SHA1 839925370037870873ae3cd4b2aa554330649f90
- SHA512 47606d2711bdc6ea201f14a1212524234fc2b8adc847c4686717a5342d9f04e4cbb016c8340ffd50640dca65d3e716745581b36ee7f7d1e34296b588c810012e
- SSDEEP 3072:3X5sGGsxTfMuhNWBP3g7J1/UbwOMwMx2U2ah12B+hyojKJ:3X7HTnhNc3gF1cbLMt4Yhfj
- TLSH T14BF3AD4DB7B2DD09C65C4D338523808C42BEE5A7B457F76B25C86FE9FC2248C9A8B581
- MD5 SHA1 SHA512 SSDEEP TLSH
Behavioral task
behavioral1
Sample
koch.exe
Resource
win10v2004-20260513-en
19 signatures
150 seconds
Malware Config
Targets
-
- Target koch.exe
- Size 168KB
- SHA256 d6cdc34803e1498b20f985bacf621844b244e5cd36f1dd9b450daf745b2d089a
- MD5 88ff9aa3ab31eab2c40a3e536f060c2c
- SHA1 839925370037870873ae3cd4b2aa554330649f90
- SHA512 47606d2711bdc6ea201f14a1212524234fc2b8adc847c4686717a5342d9f04e4cbb016c8340ffd50640dca65d3e716745581b36ee7f7d1e34296b588c810012e
- SSDEEP 3072:3X5sGGsxTfMuhNWBP3g7J1/UbwOMwMx2U2ah12B+hyojKJ:3X7HTnhNc3gF1cbLMt4Yhfj
- TLSH T14BF3AD4DB7B2DD09C65C4D338523808C42BEE5A7B457F76B25C86FE9FC2248C9A8B581
- MD5 SHA1 SHA512 SSDEEP TLSH
-
Detect Xworm Payload
-
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
-
Drops startup file
-
Executes dropped EXE
-
Loads dropped DLL
-
Adds Run key to start application
-
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
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1