General
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Target
2b2ac834ce580b63ad8eae3e117dca50ea605e64dd2d9a8c1cfd8fd2ba204bd9
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Size
747KB
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Sample
240516-2s8pcacf92
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MD5
66d66dbeff38b323bc8993d947731a57
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SHA1
90870ab86e7a590eba00df04efa9679580931e33
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SHA256
2b2ac834ce580b63ad8eae3e117dca50ea605e64dd2d9a8c1cfd8fd2ba204bd9
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SHA512
eeb3bf0e0844f231e902c28d16eec130a27845e4ffa9abee4230ce0bd78e0116d509d537e4fa5589c50c5056a990506e3a03a86c43d67f1859d59e72c21209ef
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SSDEEP
12288:1BbNOGvBdkAX5oKi07Uygt6WoOOu6hrwvZZXTALei9RJGtDmDP:1BVk0riZdUzfu6UycmL
Static task
static1
Behavioral task
behavioral1
Sample
2b2ac834ce580b63ad8eae3e117dca50ea605e64dd2d9a8c1cfd8fd2ba204bd9.exe
Resource
win7-20240221-en
Malware Config
Extracted
gcleaner
185.172.128.90
5.42.64.56
5.42.65.64
Targets
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Target
2b2ac834ce580b63ad8eae3e117dca50ea605e64dd2d9a8c1cfd8fd2ba204bd9
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Size
747KB
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MD5
66d66dbeff38b323bc8993d947731a57
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SHA1
90870ab86e7a590eba00df04efa9679580931e33
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SHA256
2b2ac834ce580b63ad8eae3e117dca50ea605e64dd2d9a8c1cfd8fd2ba204bd9
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SHA512
eeb3bf0e0844f231e902c28d16eec130a27845e4ffa9abee4230ce0bd78e0116d509d537e4fa5589c50c5056a990506e3a03a86c43d67f1859d59e72c21209ef
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SSDEEP
12288:1BbNOGvBdkAX5oKi07Uygt6WoOOu6hrwvZZXTALei9RJGtDmDP:1BVk0riZdUzfu6UycmL
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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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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 Installed Components in the registry
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Modifies Windows Firewall
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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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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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Modifies system executable filetype association
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Registers COM server for autorun
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Unexpected DNS network traffic destination
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
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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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Drops Chrome extension
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Drops desktop.ini file(s)
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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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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
1PowerShell
1Scheduled Task/Job
1System Services
2Service Execution
2Persistence
Boot or Logon Autostart Execution
4Registry Run Keys / Startup Folder
4Create or Modify System Process
3Windows Service
3Event Triggered Execution
1Change Default File Association
1Pre-OS Boot
1Bootkit
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
4Registry Run Keys / Startup Folder
4Create or Modify System Process
3Windows Service
3Event Triggered Execution
1Change Default File Association
1Scheduled Task/Job
1Defense Evasion
Impair Defenses
4Disable or Modify System Firewall
1Disable or Modify Tools
2Modify Registry
7Pre-OS Boot
1Bootkit
1Subvert Trust Controls
1Install Root Certificate
1