General
- Target 27b3a4cb988e416a260c7287b59fc72cd4d7cb4b94f25daa01daab2ea192da2b
- Size 768KB
- Sample240425-bjnppscf46
- SHA256 27b3a4cb988e416a260c7287b59fc72cd4d7cb4b94f25daa01daab2ea192da2b
- MD5 96b291b8b678331caaa8910e6c5b5676
- SHA1 d5411828c36192751915493d99404dd84b7cd188
- SHA512 21d4fbc3060a202f873a3d23f5956409070f5acb64d423070e97b1f909897619e6cf3be90b1574552494a7ce1ac12d4139e3626cd737ab1fffdde321cd30924e
- SSDEEP 12288:A0QxtBmed7NKe+6DK4S8kNp6MARWch8kwBg1Mvd0b/zKPX5KovfWQX3NTyK:A0QxtP78eTPt1Mlw5ovvTl
- MD5 SHA1 SHA512 SSDEEP
Static task
static1
Behavioral task
behavioral1
Sample
27b3a4cb988e416a260c7287b59fc72cd4d7cb4b94f25daa01daab2ea192da2b.exe
Resource
win7-20231129-en
Malware Config
Targets
-
- Target 27b3a4cb988e416a260c7287b59fc72cd4d7cb4b94f25daa01daab2ea192da2b
- Size 768KB
- SHA256 27b3a4cb988e416a260c7287b59fc72cd4d7cb4b94f25daa01daab2ea192da2b
- MD5 96b291b8b678331caaa8910e6c5b5676
- SHA1 d5411828c36192751915493d99404dd84b7cd188
- SHA512 21d4fbc3060a202f873a3d23f5956409070f5acb64d423070e97b1f909897619e6cf3be90b1574552494a7ce1ac12d4139e3626cd737ab1fffdde321cd30924e
- SSDEEP 12288:A0QxtBmed7NKe+6DK4S8kNp6MARWch8kwBg1Mvd0b/zKPX5KovfWQX3NTyK:A0QxtP78eTPt1Mlw5ovvTl
- MD5 SHA1 SHA512 SSDEEP
-
Glupteba payload
-
Modifies firewall policy service
-
Identifies VirtualBox via ACPI registry values (likely anti-VM)
-
Blocklisted process makes network request
-
Downloads MZ/PE file
-
Drops file in Drivers directory
-
Modifies Windows Firewall
-
Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
-
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
-
Drops startup file
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Executes dropped EXE
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Loads dropped DLL
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Registers COM server for autorun
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Adds Run key to start application
-
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.
-
Legitimate hosting services abused for malware hosting/C2
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Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
-
Drops file in System32 directory
-
Suspicious use of NtSetInformationThreadHideFromDebugger
-
Suspicious use of SetThreadContext
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Create or Modify System Process
2Windows Service
2Scheduled Task/Job
1Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Create or Modify System Process
2Windows Service
2Scheduled Task/Job
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
4Disable or Modify System Firewall
1Disable or Modify Tools
3Modify Registry
7Subvert Trust Controls
1Install Root Certificate
1Virtualization/Sandbox Evasion
1