General
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Target
0877a5f9da479c4c01f7773e9a37c88df7313447330fe2fe17f745fa496cccad
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Size
12.1MB
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Sample
250105-ylyn1stray
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MD5
303f6e51c43fac701d5f42ef5bf75390
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SHA1
8579db92117e98aab6ea6c8386044b9dac29f751
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SHA256
0877a5f9da479c4c01f7773e9a37c88df7313447330fe2fe17f745fa496cccad
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SHA512
0ef6f8304325be021264f08f7458dc7ef01c65ab8ee9b64455a27af47bbff9177648e5b6c4c2bb1d29e42205ff20987836ec32ffd23f5fd4c22bd4570e57689d
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SSDEEP
6144:vZDhTWrhgUaxjFftGu35QZ+2PPFGrGuislc03r:vZDhTWrhgUWFfMuP0FGqb/0
Static task
static1
Behavioral task
behavioral1
Sample
0877a5f9da479c4c01f7773e9a37c88df7313447330fe2fe17f745fa496cccad.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
0877a5f9da479c4c01f7773e9a37c88df7313447330fe2fe17f745fa496cccad.exe
Resource
win10v2004-20241007-en
Malware Config
Extracted
tofsee
defeatwax.ru
refabyd.info
Targets
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Target
0877a5f9da479c4c01f7773e9a37c88df7313447330fe2fe17f745fa496cccad
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Size
12.1MB
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MD5
303f6e51c43fac701d5f42ef5bf75390
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SHA1
8579db92117e98aab6ea6c8386044b9dac29f751
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SHA256
0877a5f9da479c4c01f7773e9a37c88df7313447330fe2fe17f745fa496cccad
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SHA512
0ef6f8304325be021264f08f7458dc7ef01c65ab8ee9b64455a27af47bbff9177648e5b6c4c2bb1d29e42205ff20987836ec32ffd23f5fd4c22bd4570e57689d
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SSDEEP
6144:vZDhTWrhgUaxjFftGu35QZ+2PPFGrGuislc03r:vZDhTWrhgUWFfMuP0FGqb/0
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Tofsee family
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Creates new service(s)
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Modifies Windows Firewall
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Sets service image path in registry
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Deletes itself
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Executes dropped EXE
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Suspicious use of SetThreadContext
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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
2Windows Service
2Event Triggered Execution
1Netsh Helper DLL
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
2Windows Service
2Event Triggered Execution
1Netsh Helper DLL
1Defense Evasion
Impair Defenses
1Disable or Modify System Firewall
1Modify Registry
1