General
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Target
NorthAmerica.exe
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Size
379KB
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Sample
240517-cfat4sce69
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MD5
f1d6adcf82bb1209ec185d9f868a5e6a
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SHA1
ddbe72c7352697047ca8c334f6ac3636455bd019
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SHA256
eb28b0824e287f2ce81c39f94f98399df3aad26f9209511d56ecf01ae1eb707d
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SHA512
8efe15f757fb88c3a22689e6fb738bbd1cd467cea75f8a07f55fcf46c2ae725274ea46d865efe201f6d6d7362347000c1c7f0c398fbf35f1f86795f27a87a482
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SSDEEP
6144:AoAyhP4PIXceIg0s1JaQrlnFhnrtmJETXKiSr03K62NjbweWw5zmqiWQwrsDjnCB:AoAyBfdvaElLrtmJgXKiSrD62NjWwhmk
Static task
static1
Malware Config
Extracted
gcleaner
185.172.128.90
5.42.64.56
5.42.65.64
Targets
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Target
NorthAmerica.exe
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Size
379KB
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MD5
f1d6adcf82bb1209ec185d9f868a5e6a
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SHA1
ddbe72c7352697047ca8c334f6ac3636455bd019
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SHA256
eb28b0824e287f2ce81c39f94f98399df3aad26f9209511d56ecf01ae1eb707d
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SHA512
8efe15f757fb88c3a22689e6fb738bbd1cd467cea75f8a07f55fcf46c2ae725274ea46d865efe201f6d6d7362347000c1c7f0c398fbf35f1f86795f27a87a482
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SSDEEP
6144:AoAyhP4PIXceIg0s1JaQrlnFhnrtmJETXKiSr03K62NjbweWw5zmqiWQwrsDjnCB:AoAyBfdvaElLrtmJgXKiSrD62NjWwhmk
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Glupteba payload
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Modifies boot configuration data using bcdedit
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XMRig Miner payload
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Blocklisted process makes network request
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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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Creates new service(s)
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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 attempt to disable PatchGuard
Rootkits can use kernel patching to embed themselves in an operating system.
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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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Drops startup file
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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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Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Drops Chrome extension
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Drops desktop.ini file(s)
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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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Drops file in System32 directory
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Suspicious use of SetThreadContext
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MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
2PowerShell
1Scheduled Task/Job
1System Services
2Service Execution
2Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
4Windows Service
4Pre-OS Boot
1Bootkit
1Scheduled Task/Job
1Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
4Windows Service
4Scheduled Task/Job
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
7Disable or Modify System Firewall
1Disable or Modify Tools
4Modify Registry
7Pre-OS Boot
1Bootkit
1Subvert Trust Controls
1Install Root Certificate
1