General
- Target toolspub1.exe
- Size 300KB
- Sample240107-ewdbaaebej
- SHA256 2739b41aab3ff3cc0727ada7ad04162f0379ef151c7d4b4296e963a2a74891c5
- MD5 8c6bef1a357f339aae97e1e29a5eb682
- SHA1 43da742dc3c195f703680ee5078c4a9ec77b92e0
- SHA512 35da85906b763230494a348d3f08ae21172f1680af940661d5dec51becb45b9f783eefc130f7611290a8cf4cfa263c195c0ca9152cb4c2f3e8e80a981f180931
- SSDEEP 6144:qLSLqSQSiZ9jlMWzLUeBPSGfTgYn79o6q:qLSmSiZ9jlMWXdP5n7a
- MD5 SHA1 SHA512 SSDEEP
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
toolspub1.exe
Resource
win7-20231215-en
31 signatures
150 seconds
Behavioral task
behavioral2
Sample
toolspub1.exe
Resource
win10v2004-20231222-en
27 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 300KB
- SHA256 2739b41aab3ff3cc0727ada7ad04162f0379ef151c7d4b4296e963a2a74891c5
- MD5 8c6bef1a357f339aae97e1e29a5eb682
- SHA1 43da742dc3c195f703680ee5078c4a9ec77b92e0
- SHA512 35da85906b763230494a348d3f08ae21172f1680af940661d5dec51becb45b9f783eefc130f7611290a8cf4cfa263c195c0ca9152cb4c2f3e8e80a981f180931
- SSDEEP 6144:qLSLqSQSiZ9jlMWzLUeBPSGfTgYn79o6q:qLSmSiZ9jlMWXdP5n7a
- 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