General
- Target toolspub2.exe
- Size 239KB
- Sample240104-b3bt9aeefj
- SHA256 00415d3dbe1002e36e94d9e11459872b7fd485ffc59a4d96a7c8e7e5df80186b
- MD5 ef34b51ad43f82175fd285ec712b6ef6
- SHA1 0e31b26d117ba88e87b611991603cf3ffed95b78
- SHA512 31a9171cc9cea2828772505d7c26e586557b703947cd0f0bd66f1e8aab8e46bf1a3a5aa36648756f87325590bdaf1c6ebc094db3129dc330fce316c52b14d4d9
- SSDEEP 3072:+QT/QLtwugjI9mRN58SZbXO9HFSR9Ea81jzaa8A+hLMUOJxgeRp:+E/QLXgjIG8St8HFSPMU4Pxge
- MD5 SHA1 SHA512 SSDEEP
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
toolspub2.exe
Resource
win7-20231215-en
28 signatures
150 seconds
Behavioral task
behavioral2
Sample
toolspub2.exe
Resource
win10v2004-20231215-en
28 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 239KB
- SHA256 00415d3dbe1002e36e94d9e11459872b7fd485ffc59a4d96a7c8e7e5df80186b
- MD5 ef34b51ad43f82175fd285ec712b6ef6
- SHA1 0e31b26d117ba88e87b611991603cf3ffed95b78
- SHA512 31a9171cc9cea2828772505d7c26e586557b703947cd0f0bd66f1e8aab8e46bf1a3a5aa36648756f87325590bdaf1c6ebc094db3129dc330fce316c52b14d4d9
- SSDEEP 3072:+QT/QLtwugjI9mRN58SZbXO9HFSR9Ea81jzaa8A+hLMUOJxgeRp:+E/QLXgjIG8St8HFSPMU4Pxge
- MD5 SHA1 SHA512 SSDEEP
-
Modifies firewall policy service
-
Sets file execution options 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
2Registry Run Keys / Startup Folder
2Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1