General
-
Target
7a76874f931ff8c8874c4dd511426057ef6fd3541829080a4454b2c5ca1b876c
-
Size
4.1MB
-
Sample
231005-q2jwssbd8z
-
MD5
b1b5d6204253f7d60330b4146365ef5a
-
SHA1
074e5e4894812ffc17a2a2ab5a44ceea266dcf78
-
SHA256
7a76874f931ff8c8874c4dd511426057ef6fd3541829080a4454b2c5ca1b876c
-
SHA512
64834d5b2574ef3089eadfb7ca1a803391d705be7237e13837ac6a9d894893fefbdde6914a997a538e2a79a541916096886e23d53b22244238d238d4720fdac8
-
SSDEEP
98304:2sgW9rfApQAQ5yzwO1Y/4kXG7tUkbcQ+fSRxyDIXZfS6QZnn:2shlMrQ5yzwOC/nXG7NcbfSRcDgVr2n
Static task
static1
Malware Config
Targets
-
-
Target
7a76874f931ff8c8874c4dd511426057ef6fd3541829080a4454b2c5ca1b876c
-
Size
4.1MB
-
MD5
b1b5d6204253f7d60330b4146365ef5a
-
SHA1
074e5e4894812ffc17a2a2ab5a44ceea266dcf78
-
SHA256
7a76874f931ff8c8874c4dd511426057ef6fd3541829080a4454b2c5ca1b876c
-
SHA512
64834d5b2574ef3089eadfb7ca1a803391d705be7237e13837ac6a9d894893fefbdde6914a997a538e2a79a541916096886e23d53b22244238d238d4720fdac8
-
SSDEEP
98304:2sgW9rfApQAQ5yzwO1Y/4kXG7tUkbcQ+fSRxyDIXZfS6QZnn:2shlMrQ5yzwOC/nXG7NcbfSRcDgVr2n
-
Chaos Ransomware
-
Glupteba payload
-
Modifies boot configuration data using bcdedit
-
Disables Task Manager via registry modification
-
Modifies Windows Firewall
-
Drops startup file
-
Executes dropped EXE
-
Loads dropped DLL
-
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.
-
Drops desktop.ini file(s)
-
Legitimate hosting services abused for malware hosting/C2
-
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 Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Pre-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
1Windows Service
1Scheduled Task/Job
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
3Disable or Modify Tools
3Indicator Removal
3File Deletion
3Modify Registry
6Pre-OS Boot
1Bootkit
1