General
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Target
BootstrapperV1.34.exe
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Size
866KB
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Sample
241006-wnbwxs1hqd
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MD5
21724e0b24754244b7e43f20a132c7db
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SHA1
da582b5d7da1743b89a243428c67a9fbd37fb21f
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SHA256
dd05afbc110940d656d1af4c5a16542a636e0234941ae74ccb1d35d48f950b55
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SHA512
0b193250c40ff4d0936a711194173e77f12063e1e3c0a348c773fa9393511b3a3db6e9f68ad5d146d25bdb0bc4d21ab133a53672c6c4d672858054fb439c02ea
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SSDEEP
12288:d0zVvgDNMoWjTmFzAzBocaKjyWtiR1pptHxQ0zzA68:e5vgHWjTwAlocaKjyyItHDzUd
Behavioral task
behavioral1
Sample
BootstrapperV1.34.exe
Resource
win7-20240729-en
Malware Config
Extracted
njrat
<- NjRAT 0.7d Horror Edition ->
veletroblox
tm6bqni.localto.net:5846
d54b8b335e1de961884f3956c1c39c50
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reg_key
d54b8b335e1de961884f3956c1c39c50
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splitter
Y262SUCZ4UJJ
Targets
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-
Target
BootstrapperV1.34.exe
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Size
866KB
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MD5
21724e0b24754244b7e43f20a132c7db
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SHA1
da582b5d7da1743b89a243428c67a9fbd37fb21f
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SHA256
dd05afbc110940d656d1af4c5a16542a636e0234941ae74ccb1d35d48f950b55
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SHA512
0b193250c40ff4d0936a711194173e77f12063e1e3c0a348c773fa9393511b3a3db6e9f68ad5d146d25bdb0bc4d21ab133a53672c6c4d672858054fb439c02ea
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SSDEEP
12288:d0zVvgDNMoWjTmFzAzBocaKjyWtiR1pptHxQ0zzA68:e5vgHWjTwAlocaKjyyItHDzUd
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Drops startup file
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Executes dropped EXE
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Loads dropped DLL
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Unexpected DNS network traffic destination
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
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Adds Run key to start application
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Blocklisted process makes network request
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Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
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Legitimate hosting services abused for malware hosting/C2
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MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
2PowerShell
1System Services
1Service Execution
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1