General
-
Target
.
-
Size
147KB
-
Sample
240604-ws4gqseh6v
-
MD5
4cb7d9b996537868ff50805c47308b43
-
SHA1
71266b59432af6ec08f991441e158b00e45e8784
-
SHA256
e8a4ba10ad14247a21d441c7fb1f9f23d376f70e87a0a97e3fb3c62852de8e90
-
SHA512
ad28b5d36498a97bd938d3f8a207a30d893f7a573ca00e619272cb14faa995de41efbed9f139e06e190552321669bb7d275bfe2f870822cb7852f6ec61b75767
-
SSDEEP
1536:oRk6HxYfEV5By5GR4DAll1kAru30vD932Ys4D7HhqiS:ukRfOyoHllyJEZHhqiS
Static task
static1
Behavioral task
behavioral1
Sample
.html
Resource
win10v2004-20240508-en
Malware Config
Extracted
F:\$RECYCLE.BIN\S-1-5-21-3558294865-3673844354-2255444939-1000\ETKOG-MANUAL.txt
gandcrab
http://gandcrabmfe6mnef.onion/37dc88e96760a65d
Targets
-
-
Target
.
-
Size
147KB
-
MD5
4cb7d9b996537868ff50805c47308b43
-
SHA1
71266b59432af6ec08f991441e158b00e45e8784
-
SHA256
e8a4ba10ad14247a21d441c7fb1f9f23d376f70e87a0a97e3fb3c62852de8e90
-
SHA512
ad28b5d36498a97bd938d3f8a207a30d893f7a573ca00e619272cb14faa995de41efbed9f139e06e190552321669bb7d275bfe2f870822cb7852f6ec61b75767
-
SSDEEP
1536:oRk6HxYfEV5By5GR4DAll1kAru30vD932Ys4D7HhqiS:ukRfOyoHllyJEZHhqiS
-
Suspicious use of NtCreateUserProcessOtherParentProcess
-
Renames multiple (223) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
-
Downloads MZ/PE file
-
Drops file in Drivers directory
-
Modifies RDP port number used by Windows
-
Sets service image path in registry
-
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
-
Executes dropped EXE
-
Loads dropped DLL
-
Registers COM server for autorun
-
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.
-
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
-
Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
-
Writes to the Master Boot Record (MBR)
Bootkits write to the MBR to gain persistence at a level below the operating system.
-
Drops file in System32 directory
-
Sets desktop wallpaper using registry
-
MITRE ATT&CK Matrix ATT&CK v13
Persistence
Boot or Logon Autostart Execution
3Registry Run Keys / Startup Folder
3Pre-OS Boot
1Bootkit
1Privilege Escalation
Boot or Logon Autostart Execution
3Registry Run Keys / Startup Folder
3Defense Evasion
Modify Registry
5Pre-OS Boot
1Bootkit
1Subvert Trust Controls
1Install Root Certificate
1