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