Analysis
- max time kernel
4294213s - max time network
122s - platform
windows7_x64 - resource
win7-20220311-en - submitted
27/03/2022, 17:10
General
- Target 6e69a6b673cbe7b72ff6e3684adc74eb.exe
- Size 230KB
- Sample220327-vppczaaff6
- SHA256 998d503aa5e68830d7f981490108d44dc12f331bd5ad9ea9f207a99e6d06afbb
Malware Config
Extracted
-
smokeloader
-
2020
-
http://coralee.at/upload/
-
http://ducvietcao.com/upload/
-
http://biz-acc.ru/upload/
-
http://toimap.com/upload/
-
http://bbb7d.com/upload/
-
http://piratia-life.ru/upload/
-
http://curvreport.com/upload/
-
http://viagratos.com/upload/
-
http://mordo.ru/upload/
-
http://pkodev.net/upload/
Signatures
- SmokeLoader
Modular backdoor trojan in use since 2014.
- Downloads MZ/PE file
- Executes dropped EXE 1 IoCs
- Deletes itself 1 IoCs
- Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of FindShellTrayWindow 2 IoCs
- Suspicious use of SendNotifyMessage 2 IoCs
- Suspicious use of WriteProcessMemory 4 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\6e69a6b673cbe7b72ff6e3684adc74eb.exe"C:\Users\Admin\AppData\Local\Temp\6e69a6b673cbe7b72ff6e3684adc74eb.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
-
C:\Users\Admin\AppData\Local\Temp\ACB3.exeC:\Users\Admin\AppData\Local\Temp\ACB3.exe1⤵
- Executes dropped EXE
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
ACB3.exe
memory/1248-59-0x00000000021F0000-0x0000000002206000-memory.dmp
memory/1888-56-0x000000000064E000-0x0000000000657000-memory.dmp
memory/1888-54-0x000000000064E000-0x0000000000657000-memory.dmp
memory/1888-58-0x0000000000400000-0x000000000047C000-memory.dmp
memory/1888-57-0x0000000000220000-0x0000000000229000-memory.dmp
memory/1888-55-0x0000000074F31000-0x0000000074F33000-memory.dmp
memory/1964-62-0x0000000000310000-0x00000000003ED000-memory.dmp
memory/1964-63-0x0000000000400000-0x0000000000630000-memory.dmp
memory/1964-64-0x0000000000310000-0x00000000003ED000-memory.dmp
memory/1964-65-0x0000000002130000-0x0000000002353000-memory.dmp
memory/1964-66-0x0000000000400000-0x0000000000630000-memory.dmp