General
- Target xb38ef3f9cd8368575754482f80eeef6e1d751422c685835b919d33e71d6fd08c.exe
- Size 1.7MB
- Sample260511-bfjatact6r
- SHA256 b38ef3f9cd8368575754482f80eeef6e1d751422c685835b919d33e71d6fd08c
- MD5 2b78b2a6b8d2429c2e298cbe9f20e8f2
- SHA1 1d429ce8a22cff581dd54f5bcc3efbac49608ddf
- SHA512 c4d8e506207b1af12591a4d8edc7de52c14beaf69594a8a012b6e0ec2a40263e64524da7c133001a187c7588688c8370c3781f4e6d5063d50f27ff8e996a05cd
- SSDEEP 49152:ckQTAgIwMtuvMDVPG4JdXeR4aT6LQ+d3mY/4qxTsx3scp:ca4uRD9JdOR4m+lmY/4rx8cp
- TLSH T1E18523097181D373C2FB003085C58FB55A2566224F7566EFFBE89B662F202F4BB661C9
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
Behavioral task
behavioral1
Sample
xb38ef3f9cd8368575754482f80eeef6e1d751422c685835b919d33e71d6fd08c.exe
Resource
win10v2004-20250619-en
Behavioral task
behavioral2
Sample
xb38ef3f9cd8368575754482f80eeef6e1d751422c685835b919d33e71d6fd08c.exe
Resource
win11-20260130-en
Malware Config
Targets
-
- Target xb38ef3f9cd8368575754482f80eeef6e1d751422c685835b919d33e71d6fd08c.exe
- Size 1.7MB
- SHA256 b38ef3f9cd8368575754482f80eeef6e1d751422c685835b919d33e71d6fd08c
- MD5 2b78b2a6b8d2429c2e298cbe9f20e8f2
- SHA1 1d429ce8a22cff581dd54f5bcc3efbac49608ddf
- SHA512 c4d8e506207b1af12591a4d8edc7de52c14beaf69594a8a012b6e0ec2a40263e64524da7c133001a187c7588688c8370c3781f4e6d5063d50f27ff8e996a05cd
- SSDEEP 49152:ckQTAgIwMtuvMDVPG4JdXeR4aT6LQ+d3mY/4qxTsx3scp:ca4uRD9JdOR4m+lmY/4rx8cp
- TLSH T1E18523097181D373C2FB003085C58FB55A2566224F7566EFFBE89B662F202F4BB661C9
- MD5 SHA1 SHA512 SSDEEP TLSH
-
Family: 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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UAC bypass
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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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Adds Run key to start application
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Checks whether UAC is enabled
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SmartAssembly .NET packer
Detects SmartAssembly .NET packer.
MITRE ATT&CK Enterprise v16
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
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
1Disable or Modify Tools
1Modify Registry
4