General
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Target
QuasarModded.scr
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Size
1.2MB
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Sample
240707-sgywbsvarq
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MD5
a4804946374d70da63b45d48c0de6188
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SHA1
a00c5b21387aa3b2fa9eafd8bd3d0159de32454f
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SHA256
e5f8616d5ed2e6e1538b238c2ef7d13ee680406899fa14cae2ad54bede356d4a
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SHA512
d3e9bff12b39e2d4602e947be84606ffbd7af2bc9b0785721d9caf679163749892b7fa2cc33c76def45b275ce2971fef1a27d0369f857c42dca2dfd666631f5c
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SSDEEP
24576:u2G/nvxW3WieCaZtNvoYU367xprsfVwkR4QuYN0wnxvjd:ubA3jGA+ruVwkz6wnxvx
Behavioral task
behavioral1
Sample
QuasarModded.scr
Resource
win10-20240404-en
Behavioral task
behavioral2
Sample
QuasarModded.scr
Resource
win10v2004-20240704-en
Behavioral task
behavioral3
Sample
QuasarModded.scr
Resource
win11-20240704-en
Malware Config
Targets
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Target
QuasarModded.scr
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Size
1.2MB
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MD5
a4804946374d70da63b45d48c0de6188
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SHA1
a00c5b21387aa3b2fa9eafd8bd3d0159de32454f
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SHA256
e5f8616d5ed2e6e1538b238c2ef7d13ee680406899fa14cae2ad54bede356d4a
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SHA512
d3e9bff12b39e2d4602e947be84606ffbd7af2bc9b0785721d9caf679163749892b7fa2cc33c76def45b275ce2971fef1a27d0369f857c42dca2dfd666631f5c
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SSDEEP
24576:u2G/nvxW3WieCaZtNvoYU367xprsfVwkR4QuYN0wnxvjd:ubA3jGA+ruVwkz6wnxvx
Score10/10-
DcRat
DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.
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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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Boot or Logon Autostart Execution: Active Setup
Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.
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Disables Task Manager via registry modification
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Downloads MZ/PE file
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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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Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Active Setup
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Active Setup
1Scheduled Task/Job
1Scheduled Task
1