General
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Target
vekvtia.exe
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Size
10.5MB
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Sample
240903-vlt42s1gml
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MD5
274d0ab4368246be7f22990d9d5cb4cf
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SHA1
d34547e852863893aef034effc726bf2ee227d02
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SHA256
21a5e8cf356706a639eee50ea97cecef91685eb906921245c314ac50950b9825
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SHA512
dab676f30f08c6719e26cc376c89803a14d89adf50c6ee31d941f724b3dae03ca1cce950a3dd7651e3ed5f40323b021c875cdd1dfbbba9952cd417d7a3f90e81
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SSDEEP
6144:Sc6OZDisWsD0Td2HJxO+m8PuG1R4WnWjrsaz:S1OZDisvwdaxO0PuG1R4CWs
Static task
static1
Behavioral task
behavioral1
Sample
vekvtia.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
vekvtia.exe
Resource
win10v2004-20240802-en
Malware Config
Extracted
tofsee
vanaheim.cn
jotunheim.name
Targets
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Target
vekvtia.exe
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Size
10.5MB
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MD5
274d0ab4368246be7f22990d9d5cb4cf
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SHA1
d34547e852863893aef034effc726bf2ee227d02
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SHA256
21a5e8cf356706a639eee50ea97cecef91685eb906921245c314ac50950b9825
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SHA512
dab676f30f08c6719e26cc376c89803a14d89adf50c6ee31d941f724b3dae03ca1cce950a3dd7651e3ed5f40323b021c875cdd1dfbbba9952cd417d7a3f90e81
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SSDEEP
6144:Sc6OZDisWsD0Td2HJxO+m8PuG1R4WnWjrsaz:S1OZDisvwdaxO0PuG1R4CWs
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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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Drops file in System32 directory
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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
2Disable or Modify System Firewall
1Disable or Modify Tools
1Modify Registry
2