General
- Target cf99ce5474b53fbab5057cadcfb95a0da21163667a5af1341f5dd049da7c98b1.bin
- Size 10.9MB
- Sample261114-dwennsvs3k
- SHA256 cf99ce5474b53fbab5057cadcfb95a0da21163667a5af1341f5dd049da7c98b1
- MD5 769ce8c68e6ec7c104a30c4e9cb0b3c7
- SHA1 0aa249c159532bedc8e32c0a899cd4537605e020
- SHA512 3444c33225e53124190649a431138f657618ecc8f74e6db2b87faa0d567ff8d57757bb75e86912f613a6a3aa540b6efc2df2d473606ddb143095fb4b04a1893e
- SSDEEP 6144:Jm5C2T82TRiCpIzPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPr:UwzeRTps
- TLSH T113B63C2A807B24F5C670107CF78D7B7EAAFE06F49EB4015B689C97C1E4289D454EC6A3
- MD5 SHA1 SHA512 SSDEEP TLSH
Behavioral task
behavioral1
Sample
cf99ce5474b53fbab5057cadcfb95a0da21163667a5af1341f5dd049da7c98b1.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
cf99ce5474b53fbab5057cadcfb95a0da21163667a5af1341f5dd049da7c98b1.exe
Resource
win11ltsc2024-20260911-en
Malware Config
Extracted
-
tofsee
-
vanaheim.cn
-
jotunheim.name
Targets
-
- Target cf99ce5474b53fbab5057cadcfb95a0da21163667a5af1341f5dd049da7c98b1.bin
- Size 10.9MB
- SHA256 cf99ce5474b53fbab5057cadcfb95a0da21163667a5af1341f5dd049da7c98b1
- MD5 769ce8c68e6ec7c104a30c4e9cb0b3c7
- SHA1 0aa249c159532bedc8e32c0a899cd4537605e020
- SHA512 3444c33225e53124190649a431138f657618ecc8f74e6db2b87faa0d567ff8d57757bb75e86912f613a6a3aa540b6efc2df2d473606ddb143095fb4b04a1893e
- SSDEEP 6144:Jm5C2T82TRiCpIzPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPr:UwzeRTps
- TLSH T113B63C2A807B24F5C670107CF78D7B7EAAFE06F49EB4015B689C97C1E4289D454EC6A3
- MD5 SHA1 SHA512 SSDEEP TLSH
Modifies Windows Firewall
Sets service image path in registry
This determines the executable launched when a service starts. It can be used to establish persistence.
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
Creates new service(s)
Deletes itself
Executes dropped EXE
Windows security bypass
Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
Drops file in System32 directory
Suspicious use of SetThreadContext
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
1Windows Command Shell
1System Services
1Service Execution
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
3Windows Service
3Event Triggered Execution
1Netsh Helper DLL
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
3Windows Service
3Event Triggered Execution
1Netsh Helper DLL
1Defense Evasion
Impair Defenses
2Disable or Modify System Firewall
1Disable or Modify Tools
1Indicator Removal
1File Deletion
1Modify Registry
2