General
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Target
Mnemonicator v1.0.3 (infected).7z
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Size
37.5MB
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Sample
250102-f1fsmsxqbl
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MD5
e18d698e01dbf05dc08822d787e825e5
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SHA1
1ea9a22d179d21a280a5de8b5ead6f3bae52c8d2
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SHA256
32cf3a092e09e4609675078976e052066c3fe7b42128a89b87b2473a2f51e42f
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SHA512
654212ffa8bc6e46b3f8db23a0bfd5574193f18807c63f29f15c0bbfd86714c064fff6f9ca8a2d88c547d48c33f73825d9f95ca2ac2707c8f9278968877106f2
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SSDEEP
786432:f68J6Hf9bldLadW0mnN1b2lUJVZh+evb6qylASOL:yddLadgrZQ46qylASg
Behavioral task
behavioral1
Sample
Mnemonicator v1.0.3 (infected).7z
Resource
win10v2004-20241007-en
Malware Config
Extracted
xworm
SLL.casacam.net:4444
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Install_directory
%ProgramData%
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install_file
systempu.exe
Extracted
xred
xred.mooo.com
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payload_url
http://freedns.afraid.org/api/?action=getdyndns&sha=a30fa98efc092684e8d1c5cff797bcc613562978
https://docs.google.com/uc?id=0BxsMXGfPIZfSVlVsOGlEVGxuZVk&export=download
https://www.dropbox.com/s/n1w4p8gc6jzo0sg/SUpdate.ini?dl=1
http://xred.site50.net/syn/SUpdate.ini
https://docs.google.com/uc?id=0BxsMXGfPIZfSVzUyaHFYVkQxeFk&export=download
https://www.dropbox.com/s/zhp1b06imehwylq/Synaptics.rar?dl=1
http://xred.site50.net/syn/Synaptics.rar
https://docs.google.com/uc?id=0BxsMXGfPIZfSTmlVYkxhSDg5TzQ&export=download
https://www.dropbox.com/s/fzj752whr3ontsm/SSLLibrary.dll?dl=1
http://xred.site50.net/syn/SSLLibrary.dll
Extracted
https://github.com/NGROKC/CTC/raw/main/CTC64.dll
Targets
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Target
Mnemonicator v1.0.3 (infected).7z
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Size
37.5MB
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MD5
e18d698e01dbf05dc08822d787e825e5
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SHA1
1ea9a22d179d21a280a5de8b5ead6f3bae52c8d2
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SHA256
32cf3a092e09e4609675078976e052066c3fe7b42128a89b87b2473a2f51e42f
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SHA512
654212ffa8bc6e46b3f8db23a0bfd5574193f18807c63f29f15c0bbfd86714c064fff6f9ca8a2d88c547d48c33f73825d9f95ca2ac2707c8f9278968877106f2
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SSDEEP
786432:f68J6Hf9bldLadW0mnN1b2lUJVZh+evb6qylASOL:yddLadgrZQ46qylASg
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Detect Xworm Payload
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R77 family
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Xworm family
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r77 rootkit payload
Detects the payload of the r77 rootkit.
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Blocklisted process makes network request
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Command and Scripting Interpreter: PowerShell
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
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Downloads MZ/PE file
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Event Triggered Execution: AppInit DLLs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
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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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Adds Run key to start application
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Legitimate hosting services abused for malware hosting/C2
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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.
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MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1AppInit DLLs
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1AppInit DLLs
1Scheduled Task/Job
1Scheduled Task
1Defense Evasion
Hide Artifacts
2Hidden Files and Directories
2Modify Registry
1