General
- Target 1f973adbd542db0e2accb9ff334c9189.exe
- Size 243KB
- Sample240205-bmsstshbfm
- SHA256 8dd8887d8acd43b2e8a7b0bed168933dcddf4cb3083906f6ef864e451041ae18
- MD5 1f973adbd542db0e2accb9ff334c9189
- SHA1 713260984c002819d10b11e63b6bf28873641950
- SHA512 970793042d19130b2742ec2afd8543321f096be72f1eeecb666fe716ae15d0aaade7e28102a1bca7e6beefd0f8fafbcbf1cd564be293be9205b04c80cb072c00
- SSDEEP 3072:94uOsKcdFdzR/9sA+cqRf8qWy6/dbgZyvhid/8VrOgGet6P0s4iNx:9ocFdzR/9sAqWyQeyvA/89OAt1s
- MD5 SHA1 SHA512 SSDEEP
Static task
static1
Behavioral task
behavioral1
Sample
1f973adbd542db0e2accb9ff334c9189.exe
Resource
win7-20231215-en
Malware Config
Extracted
-
smokeloader
-
2022
-
http://selebration17io.io/index.php
-
http://vacantion18ffeu.cc/index.php
-
http://valarioulinity1.net/index.php
-
http://buriatiarutuhuob.net/index.php
-
http://cassiosssionunu.me/index.php
-
http://sulugilioiu19.net/index.php
-
http://goodfooggooftool.net/index.php
Extracted
-
smokeloader
-
pub1
Targets
-
- Target 1f973adbd542db0e2accb9ff334c9189.exe
- Size 243KB
- SHA256 8dd8887d8acd43b2e8a7b0bed168933dcddf4cb3083906f6ef864e451041ae18
- MD5 1f973adbd542db0e2accb9ff334c9189
- SHA1 713260984c002819d10b11e63b6bf28873641950
- SHA512 970793042d19130b2742ec2afd8543321f096be72f1eeecb666fe716ae15d0aaade7e28102a1bca7e6beefd0f8fafbcbf1cd564be293be9205b04c80cb072c00
- SSDEEP 3072:94uOsKcdFdzR/9sA+cqRf8qWy6/dbgZyvhid/8VrOgGet6P0s4iNx:9ocFdzR/9sAqWyQeyvA/89OAt1s
- MD5 SHA1 SHA512 SSDEEP
DcRat
DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.
Detect ZGRat V1
Glupteba payload
Blocklisted process makes network request
Creates new service(s)
Downloads MZ/PE file
Modifies Windows Firewall
Stops running service(s)
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
Deletes itself
Executes dropped EXE
Loads dropped DLL
Accesses cryptocurrency files/wallets, possible credential harvesting
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.
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
Suspicious use of SetThreadContext
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
3Windows Service
3Pre-OS Boot
1Bootkit
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
3Windows Service
3Scheduled Task/Job
1Defense Evasion
Impair Defenses
2Disable or Modify System Firewall
1Modify Registry
1Pre-OS Boot
1Bootkit
1