General
- Target kdmapper.exe
- Size 254KB
- Sample240520-atts2abc8z
- SHA256 a8d80919d86fec3e163f03f55f10fc0597d1605c230c44d5b39d93c7f35fbb5c
- MD5 dcfdbaa3781a119c895bbbe8bcdff46f
- SHA1 8e659d9d374c760b154e164acf2ae3b06fc63710
- SHA512 72c279f4d1bb22e203fb0686fd08c52e09c1cf3a6a069a65ff2be61e4bdfc0ba58bca3777cf5c3a48527eaedf9e719bc8ebfe1a64c223a3854ff62688e7d6f78
- SSDEEP 6144:k9G5JrD89A32tvPHilDRfc8t0hVkPn9TsNwAJQ:7JrD89akvm9f5OVkFAN9JQ
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
-
xworm
C2
-
45.88.90.228:7000
-
178.215.236.228:7000
Attributes
-
Install_directory
%ProgramData%
-
install_file
RtkAudUService64.exe
Targets
-
- Target kdmapper.exe
- Size 254KB
- SHA256 a8d80919d86fec3e163f03f55f10fc0597d1605c230c44d5b39d93c7f35fbb5c
- MD5 dcfdbaa3781a119c895bbbe8bcdff46f
- SHA1 8e659d9d374c760b154e164acf2ae3b06fc63710
- SHA512 72c279f4d1bb22e203fb0686fd08c52e09c1cf3a6a069a65ff2be61e4bdfc0ba58bca3777cf5c3a48527eaedf9e719bc8ebfe1a64c223a3854ff62688e7d6f78
- SSDEEP 6144:k9G5JrD89A32tvPHilDRfc8t0hVkPn9TsNwAJQ:7JrD89akvm9f5OVkFAN9JQ
- MD5 SHA1 SHA512 SSDEEP
-
Detect Neshta payload
-
Detect Xworm Payload
-
Neshta
Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.
-
Command and Scripting Interpreter: PowerShell
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
-
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
-
Drops startup file
-
Executes dropped EXE
-
Modifies system executable filetype association
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Adds Run key to start application
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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 v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1Change Default File Association
1Scheduled Task/Job
1