Analysis
- max time kernel
300s - max time network
125s - platform
windows7_x64 - resource
win7-20230831-en - resource tags
- submitted
22/09/2023, 04:16
General
- Target 5454718e78b8dedd6d00cdb377fce6541d6456ea690f7e9fa64cc37ecdaa2489.exe
- Size 294KB
- Sample230922-ev7thach2z
- SHA256 5454718e78b8dedd6d00cdb377fce6541d6456ea690f7e9fa64cc37ecdaa2489
Malware Config
Extracted
-
smokeloader
-
pub1
Extracted
-
smokeloader
-
2022
-
http://gudintas.at/tmp/
-
http://pik96.ru/tmp/
-
http://rosatiauto.com/tmp/
-
http://kingpirate.ru/tmp/
Signatures
- SmokeLoader
Modular backdoor trojan in use since 2014.
- Deletes itself 1 IoCs
- Executes dropped EXE 1 IoCs
- Checks SCSI registry key(s) 3 TTPs 6 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 2 IoCs
- Suspicious use of AdjustPrivilegeToken 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\5454718e78b8dedd6d00cdb377fce6541d6456ea690f7e9fa64cc37ecdaa2489.exe"C:\Users\Admin\AppData\Local\Temp\5454718e78b8dedd6d00cdb377fce6541d6456ea690f7e9fa64cc37ecdaa2489.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
-
C:\Windows\system32\taskeng.exetaskeng.exe {8C2DF981-1EAD-42DA-823B-923982FFA14C} S-1-5-21-2180306848-1874213455-4093218721-1000:XEBBURHY\Admin:Interactive:[1]1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Roaming\bbfbfagC:\Users\Admin\AppData\Roaming\bbfbfag2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
bbfbfag
bbfbfag
memory/1204-4-0x00000000029A0000-0x00000000029B6000-memory.dmp
memory/1204-16-0x0000000002C70000-0x0000000002C86000-memory.dmp
memory/2140-1-0x00000000007B0000-0x00000000008B0000-memory.dmp
memory/2140-2-0x0000000000400000-0x0000000000717000-memory.dmp
memory/2140-3-0x0000000000230000-0x0000000000239000-memory.dmp
memory/2140-5-0x0000000000400000-0x0000000000717000-memory.dmp
memory/2640-14-0x00000000002D0000-0x00000000003D0000-memory.dmp
memory/2640-15-0x0000000000400000-0x0000000000717000-memory.dmp
memory/2640-17-0x0000000000400000-0x0000000000717000-memory.dmp