General
- Target toolspub2.exe
- Size 301KB
- Sample240107-ewdbaaebek
- SHA256 2e08721f791305935eb167081cc4dc13b58297d3810ef998026c7a0a59f00f40
- MD5 f127ade2e89118628ebbbd9ec1cdc39d
- SHA1 6b809f9841021a85db849335cb5dade1e6803b9b
- SHA512 38cf4f2b67c3daa301a5d8431b3104a278357ec44cc485f969c3b11784f070fa00be466a1e3f901edc8bb48f3e8f52c784962c082d17cf263434bfc0bb15fa11
- SSDEEP 6144:R8lL2DkSZY1P0N9pWXe8/5dfTgYn79o6q:R+7SZYd1Xegn7a
- MD5 SHA1 SHA512 SSDEEP
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
toolspub2.exe
Resource
win7-20231215-en
31 signatures
150 seconds
Behavioral task
behavioral2
Sample
toolspub2.exe
Resource
win10v2004-20231215-en
27 signatures
150 seconds
Malware Config
Extracted
Family
-
smokeloader
Botnet
-
up3
Extracted
Family
-
smokeloader
Version
-
2020
C2
-
http://host-file-host6.com/
-
http://host-host-file8.com/
rc4.i32
rc4.i32
Targets
-
- Target toolspub2.exe
- Size 301KB
- SHA256 2e08721f791305935eb167081cc4dc13b58297d3810ef998026c7a0a59f00f40
- MD5 f127ade2e89118628ebbbd9ec1cdc39d
- SHA1 6b809f9841021a85db849335cb5dade1e6803b9b
- SHA512 38cf4f2b67c3daa301a5d8431b3104a278357ec44cc485f969c3b11784f070fa00be466a1e3f901edc8bb48f3e8f52c784962c082d17cf263434bfc0bb15fa11
- SSDEEP 6144:R8lL2DkSZY1P0N9pWXe8/5dfTgYn79o6q:R+7SZYd1Xegn7a
- 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
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