General
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Target
Loli.bat
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Size
7.3MB
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Sample
241228-krcrvaxjhw
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MD5
f016a79ee4efcfe7dfc4b71ecb6f702e
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SHA1
b2769efff841a916536bf3e2b3e6eeaf25bf2e60
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SHA256
1c217ac7d8a0753006cb2e0173425526240879a5553957f2a9219478157a33c5
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SHA512
a8afcbb85c5aa752f632d6aa6f9a712f66974b879f85844d91098422bc9004c13d826ecb17bf0c18254237a8e5158da9e42efbcb817f93b84c2bcf476655abbc
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SSDEEP
49152:/SCmrpIWAhX+m0p5PBUBdjemTX6lUXl6YgUkzS9gw0pZOojoPhK7fnFZHSmznCH9:z
Static task
static1
Behavioral task
behavioral1
Sample
Loli.bat
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
Loli.bat
Resource
win10v2004-20241007-en
Malware Config
Extracted
quasar
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encryption_key
03816C045CDE13385E227545D99CA4F0BBE6CC9F
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reconnect_delay
3000
Targets
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Target
Loli.bat
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Size
7.3MB
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MD5
f016a79ee4efcfe7dfc4b71ecb6f702e
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SHA1
b2769efff841a916536bf3e2b3e6eeaf25bf2e60
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SHA256
1c217ac7d8a0753006cb2e0173425526240879a5553957f2a9219478157a33c5
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SHA512
a8afcbb85c5aa752f632d6aa6f9a712f66974b879f85844d91098422bc9004c13d826ecb17bf0c18254237a8e5158da9e42efbcb817f93b84c2bcf476655abbc
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SSDEEP
49152:/SCmrpIWAhX+m0p5PBUBdjemTX6lUXl6YgUkzS9gw0pZOojoPhK7fnFZHSmznCH9:z
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Quasar family
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Quasar payload
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Suspicious use of NtCreateProcessExOtherParentProcess
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Suspicious use of NtCreateUserProcessOtherParentProcess
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Blocklisted process makes network request
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Sets service image path in registry
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Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
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Executes dropped EXE
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Indicator Removal: Clear Windows Event Logs
Clear Windows Event Logs to hide the activity of an intrusion.
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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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Writes to the Master Boot Record (MBR)
Bootkits write to the MBR to gain persistence at a level below the operating system.
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Drops file in System32 directory
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Suspicious use of NtSetInformationThreadHideFromDebugger
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Suspicious use of SetThreadContext
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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Pre-OS Boot
1Bootkit
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Indicator Removal
1Clear Windows Event Logs
1Modify Registry
1Pre-OS Boot
1Bootkit
1