General
- Target toolspub1.exe
- Size 179KB
- Sample240105-w4babsgcfr
- SHA256 885e71a79cae7e2ce156cf2dd4c166538a0b2bf02a5d170a9d13ded41748113d
- MD5 0538599386e6e92b7acfb3a7cbb40aee
- SHA1 5c6c1dd4b3fee790e5fa326614ffa41cb07b1f87
- SHA512 7effff8a980f296f61dd5c0c0f79e8687e5554521729b1eee48f8f86d37c203e41dba0c9d4a1f8f2456b17f8a0a03db72818a3da0812e483772f7ed5a4f3a11f
- SSDEEP 3072:W4qdWTLGklFooCQw0x23rvMJlmzwqALjQA51G/RP0GUCFlk5UpW:W4qATL5n38223zMJewqUTsJ0G2U
- MD5 SHA1 SHA512 SSDEEP
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
toolspub1.exe
Resource
win7-20231215-en
35 signatures
150 seconds
Behavioral task
behavioral2
Sample
toolspub1.exe
Resource
win10v2004-20231215-en
28 signatures
150 seconds
Malware Config
Extracted
Family
-
smokeloader
Botnet
-
pub1
Extracted
Family
-
smokeloader
Version
-
2020
C2
-
http://host-file-host6.com/
-
http://host-host-file8.com/
rc4.i32
rc4.i32
Targets
-
- Target toolspub1.exe
- Size 179KB
- SHA256 885e71a79cae7e2ce156cf2dd4c166538a0b2bf02a5d170a9d13ded41748113d
- MD5 0538599386e6e92b7acfb3a7cbb40aee
- SHA1 5c6c1dd4b3fee790e5fa326614ffa41cb07b1f87
- SHA512 7effff8a980f296f61dd5c0c0f79e8687e5554521729b1eee48f8f86d37c203e41dba0c9d4a1f8f2456b17f8a0a03db72818a3da0812e483772f7ed5a4f3a11f
- SSDEEP 3072:W4qdWTLGklFooCQw0x23rvMJlmzwqALjQA51G/RP0GUCFlk5UpW:W4qATL5n38223zMJewqUTsJ0G2U
- MD5 SHA1 SHA512 SSDEEP
-
Modifies firewall policy service
-
Modifies security service
-
Disables taskbar notifications via registry modification
-
Disables use of System Restore points
-
Sets file execution options in registry
-
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.
-
Deletes itself
-
Executes dropped EXE
-
Loads dropped DLL
-
Adds Run key to start application
-
Checks for any installed AV software in registry
-
Drops desktop.ini file(s)
-
Suspicious use of NtSetInformationThreadHideFromDebugger
-
Suspicious use of SetThreadContext
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
3Registry Run Keys / Startup Folder
3Create or Modify System Process
2Windows Service
2Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
3Registry Run Keys / Startup Folder
3Create or Modify System Process
2Windows Service
2Scheduled Task/Job
1