Analysis
- max time kernel
4294218s - max time network
129s - platform
windows7_x64 - resource
win7-20220311-en - submitted
26/03/2022, 16:10
General
- Target bf5583a1b318ba14bae72e9fa7bb8a6a.exe
- Size 223KB
- Sample220326-tmf35sbbfn
- SHA256 a37cbddb545f168aa1dbb09433e228e5a956f6d8fbc00fae892a5f047990a71f
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\bf5583a1b318ba14bae72e9fa7bb8a6a.exe"C:\Users\Admin\AppData\Local\Temp\bf5583a1b318ba14bae72e9fa7bb8a6a.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
-
C:\Users\Admin\AppData\Local\Temp\FFB3.exeC:\Users\Admin\AppData\Local\Temp\FFB3.exe1⤵
- Executes dropped EXE
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1260-59-0x0000000002210000-0x0000000002226000-memory.dmp
memory/1924-55-0x00000000763D1000-0x00000000763D3000-memory.dmp
memory/1924-56-0x000000000026E000-0x0000000000277000-memory.dmp
memory/1924-57-0x00000000001B0000-0x00000000001B9000-memory.dmp
memory/1924-58-0x0000000000400000-0x000000000047B000-memory.dmp
memory/1924-54-0x000000000026E000-0x0000000000277000-memory.dmp
memory/1984-62-0x0000000000250000-0x000000000032D000-memory.dmp
memory/1984-63-0x0000000000400000-0x0000000000630000-memory.dmp
memory/1984-64-0x0000000000250000-0x000000000032D000-memory.dmp
memory/1984-65-0x0000000001FF0000-0x0000000002213000-memory.dmp
memory/1984-66-0x0000000000400000-0x0000000000630000-memory.dmp