General
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Target
klmfdldml;mdfgg.exe
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Size
3.1MB
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Sample
240622-lmablawhqp
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MD5
eaa4675c30f2cf9e1ee943f6b90d7989
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SHA1
ac27f2da7f685afcfed8eb80ace7bc08b45d09d7
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SHA256
d5834a0f49fb85966bb6265d3eaf46aced50cc622b8af92bf40133f17543421c
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SHA512
07ceea22794b336a601d965aeff6564f901389202cf01d116e29a75905bd1baa8dabc8f3b7d433584cb7824e9e4c4a8feb2c8f4a95a320fad989cd64a3486429
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SSDEEP
49152:UbA30b6ZAYSbHNAYd5zIef0Dw1XMkMHGtiqWb/PK89ww+SOMR0s1vR:UbX62YmAYd5X8kX1MmtiqWbaYGs0s1J
Behavioral task
behavioral1
Sample
klmfdldml;mdfgg.exe
Resource
win7-20240611-en
Behavioral task
behavioral2
Sample
klmfdldml;mdfgg.exe
Resource
win10v2004-20240226-en
Malware Config
Targets
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Target
klmfdldml;mdfgg.exe
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Size
3.1MB
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MD5
eaa4675c30f2cf9e1ee943f6b90d7989
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SHA1
ac27f2da7f685afcfed8eb80ace7bc08b45d09d7
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SHA256
d5834a0f49fb85966bb6265d3eaf46aced50cc622b8af92bf40133f17543421c
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SHA512
07ceea22794b336a601d965aeff6564f901389202cf01d116e29a75905bd1baa8dabc8f3b7d433584cb7824e9e4c4a8feb2c8f4a95a320fad989cd64a3486429
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SSDEEP
49152:UbA30b6ZAYSbHNAYd5zIef0Dw1XMkMHGtiqWb/PK89ww+SOMR0s1vR:UbX62YmAYd5X8kX1MmtiqWbaYGs0s1J
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DcRat
DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.
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Modifies WinLogon for persistence
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Process spawned unexpected child process
This typically indicates the parent process was compromised via an exploit or macro.
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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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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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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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MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Scheduled Task/Job
1Scheduled Task
1