Analysis
- max time kernel
151s - max time network
154s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
- submitted
20/03/2023, 11:09
General
- Target setup.exe
- Size 177KB
- Sample230320-m85kasfb4v
- SHA256 6d79d9f7e72e86565717a874fd1abbe9b3bd656911881956fc9dbca75106eb46
Malware Config
Extracted
-
smokeloader
-
sprg
Extracted
-
smokeloader
-
2022
-
http://hoh0aeghwugh2gie.com/
-
http://hie7doodohpae4na.com/
-
http://aek0aicifaloh1yo.com/
-
http://yic0oosaeiy7ahng.com/
-
http://wa5zu7sekai8xeih.com/
Signatures
- SmokeLoader
Modular backdoor trojan in use since 2014.
- 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 20 IoCs
- Suspicious use of WriteProcessMemory 33 IoCs
- Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
-
C:\Users\Admin\AppData\Local\Temp\setup.exe"C:\Users\Admin\AppData\Local\Temp\setup.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
-
C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵
-
C:\Windows\explorer.exeC:\Windows\explorer.exe1⤵
-
C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵
-
C:\Windows\explorer.exeC:\Windows\explorer.exe1⤵
-
C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵
-
C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵
-
C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵
-
C:\Windows\explorer.exeC:\Windows\explorer.exe1⤵
-
C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵
-
C:\Users\Admin\AppData\Roaming\fgjesdtC:\Users\Admin\AppData\Roaming\fgjesdt1⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
fgjesdt
fgjesdt
memory/408-158-0x0000000000970000-0x0000000000979000-memory.dmp
memory/408-174-0x0000000001400000-0x0000000001427000-memory.dmp
memory/408-160-0x0000000000970000-0x0000000000979000-memory.dmp
memory/408-159-0x0000000001400000-0x0000000001427000-memory.dmp
memory/1532-164-0x0000000000170000-0x000000000017B000-memory.dmp
memory/1532-163-0x0000000000BD0000-0x0000000000BDD000-memory.dmp
memory/1532-165-0x0000000000BD0000-0x0000000000BDD000-memory.dmp
memory/1532-176-0x0000000000170000-0x000000000017B000-memory.dmp
memory/1604-170-0x0000000001130000-0x000000000113B000-memory.dmp
memory/1604-150-0x0000000000710000-0x000000000071F000-memory.dmp
memory/1604-149-0x0000000000710000-0x000000000071F000-memory.dmp
memory/1628-155-0x0000000001400000-0x0000000001427000-memory.dmp
memory/1628-156-0x00000000006B0000-0x00000000006BC000-memory.dmp
memory/1628-157-0x0000000001400000-0x0000000001427000-memory.dmp
memory/1628-173-0x00000000006B0000-0x00000000006BC000-memory.dmp
memory/1836-134-0x00000000001F0000-0x00000000001F9000-memory.dmp
memory/1836-136-0x0000000000400000-0x00000000004AD000-memory.dmp
memory/2224-154-0x00000000006B0000-0x00000000006BC000-memory.dmp
memory/2224-153-0x00000000006B0000-0x00000000006BC000-memory.dmp
memory/2224-172-0x0000000000320000-0x0000000000329000-memory.dmp
memory/3136-181-0x00000000032F0000-0x0000000003306000-memory.dmp
memory/3136-135-0x0000000000F90000-0x0000000000FA6000-memory.dmp
memory/3328-169-0x00000000001F0000-0x00000000001F9000-memory.dmp
memory/3328-148-0x0000000001130000-0x000000000113B000-memory.dmp
memory/3328-147-0x00000000001F0000-0x00000000001F9000-memory.dmp
memory/3328-146-0x0000000001130000-0x000000000113B000-memory.dmp
memory/3412-166-0x0000000000900000-0x000000000090B000-memory.dmp
memory/3412-167-0x0000000000BD0000-0x0000000000BDD000-memory.dmp
memory/3412-168-0x0000000000900000-0x000000000090B000-memory.dmp
memory/3412-177-0x0000000000BD0000-0x0000000000BDD000-memory.dmp
memory/3712-152-0x0000000000320000-0x0000000000329000-memory.dmp
memory/3712-171-0x0000000000710000-0x000000000071F000-memory.dmp
memory/3712-151-0x0000000000320000-0x0000000000329000-memory.dmp
memory/4216-175-0x0000000000970000-0x0000000000979000-memory.dmp
memory/4216-162-0x0000000000170000-0x000000000017B000-memory.dmp
memory/4216-161-0x0000000000170000-0x000000000017B000-memory.dmp
memory/4920-184-0x0000000000400000-0x00000000004AD000-memory.dmp