General
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Target
RobloxPlayerLauncher.exe
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Size
1.6MB
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Sample
240420-wd521sed7t
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MD5
df3c89248671866cfb9e0a407fad20b4
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SHA1
2258e20671e6aaba8ce75abb5bc5bca8c4df0035
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SHA256
93580834e65af2f5a83aacef47a1ec3ef45fc6ab9683ec4df771bbea713ab38f
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SHA512
f6658f2653aefebc573518773c97319d87d70cabeb182cd622a5722d4df0417df17318f4b25b7929ab03e982a072e914175971b96e205356c5c6a23a3fedaf01
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SSDEEP
49152:NmAhTN2Q5MmBRS+qYNS2+3njUrG+TvamoGXtTOgM7PMQpdAUFTHrPHHoV5N:gAhTkyZBdM2+3njUmrPHA
Static task
static1
Malware Config
Targets
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Target
RobloxPlayerLauncher.exe
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Size
1.6MB
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MD5
df3c89248671866cfb9e0a407fad20b4
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SHA1
2258e20671e6aaba8ce75abb5bc5bca8c4df0035
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SHA256
93580834e65af2f5a83aacef47a1ec3ef45fc6ab9683ec4df771bbea713ab38f
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SHA512
f6658f2653aefebc573518773c97319d87d70cabeb182cd622a5722d4df0417df17318f4b25b7929ab03e982a072e914175971b96e205356c5c6a23a3fedaf01
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SSDEEP
49152:NmAhTN2Q5MmBRS+qYNS2+3njUrG+TvamoGXtTOgM7PMQpdAUFTHrPHHoV5N:gAhTkyZBdM2+3njUmrPHA
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Cobalt Strike reflective loader
Detects the reflective loader used by Cobalt Strike.
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Detect ZGRat V1
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Contacts a large (1114) amount of remote hosts
This may indicate a network scan to discover remotely running services.
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Downloads MZ/PE file
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Drops file in Drivers directory
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Modifies Windows Firewall
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Possible privilege escalation attempt
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Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
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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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Modifies file permissions
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Registers COM server for autorun
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Adds Run key to start application
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Checks for any installed AV software in registry
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Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Creates a large amount of network flows
This may indicate a network scan to discover remotely running services.
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Drops Chrome extension
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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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Legitimate hosting services abused for malware hosting/C2
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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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AutoIT Executable
AutoIT scripts compiled to PE executables.
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Drops file in System32 directory
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MITRE ATT&CK Matrix ATT&CK v13
Persistence
Create or Modify System Process
1Windows Service
1Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Pre-OS Boot
1Bootkit
1Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Create or Modify System Process
1Windows Service
1Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
2Disable or Modify Tools
1Disable or Modify System Firewall
1Modify Registry
4File and Directory Permissions Modification
1Pre-OS Boot
1Bootkit
1Subvert Trust Controls
1Install Root Certificate
1