General
- Target BA5Os31.exe
- Size 789KB
- Sample231206-ctklgaac54
- SHA256 9edcd387decaca808d976504370b06f8afe76bf6612d294c9b537680ff482bd6
- MD5 7c4e3e9ca9e5e5c13b648e0bd891a390
- SHA1 8773d98d74fff190df1add381cf641840e5f77ae
- SHA512 7e9d16b4999d3242c28f8dcade08e12dab477face08c7ffa6a4c4aabf7cb877288133a732275fc07eb74eeca5289ac434f9ce54f1c39cd57969868d18288830b
- SSDEEP 12288:KMrVy90YN8degBdF/RIqaSVJ3zQFo/DiK+BZhzSLU2qQCNQmhZNyztJqkyOhmIB:XyP8dTBd9baS7QW7lkzSFuCyyz/MvIB
- MD5 SHA1 SHA512 SSDEEP
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
BA5Os31.exe
Resource
win10v2004-20231127-en
22 signatures
150 seconds
Malware Config
Extracted
Family
-
risepro
C2
-
193.233.132.51
Extracted
Family
-
smokeloader
Version
-
2022
C2
-
http://81.19.131.34/fks/index.php
rc4.i32
rc4.i32
Targets
-
- Target BA5Os31.exe
- Size 789KB
- SHA256 9edcd387decaca808d976504370b06f8afe76bf6612d294c9b537680ff482bd6
- MD5 7c4e3e9ca9e5e5c13b648e0bd891a390
- SHA1 8773d98d74fff190df1add381cf641840e5f77ae
- SHA512 7e9d16b4999d3242c28f8dcade08e12dab477face08c7ffa6a4c4aabf7cb877288133a732275fc07eb74eeca5289ac434f9ce54f1c39cd57969868d18288830b
- SSDEEP 12288:KMrVy90YN8degBdF/RIqaSVJ3zQFo/DiK+BZhzSLU2qQCNQmhZNyztJqkyOhmIB:XyP8dTBd9baS7QW7lkzSFuCyyz/MvIB
- MD5 SHA1 SHA512 SSDEEP
-
PrivateLoader
PrivateLoader is a downloader sold as a pay-per-install malware distribution service.
-
Drops startup file
-
Executes dropped EXE
-
Accesses Microsoft Outlook profiles
-
Adds Run key to start application
-
Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
-
Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
-
Drops file in System32 directory
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1