Analysis
- max time kernel
150s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20220901-en - resource tags
- submitted
02/11/2022, 07:10
General
- Target 541b4c834d841a5169fad9d4a81cbf91.exe
- Size 322KB
- Sample221102-hzd9jaaggn
- SHA256 9d39d86261ee64c75ed533732cb64a9d129e14dd342297d1da06fd1f06daec3d
Malware Config
Signatures
- Detects Smokeloader packer 1 IoCs
- SmokeLoader
Modular backdoor trojan in use since 2014.
- Downloads MZ/PE file
- Executes dropped EXE 1 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
- Checks processor information in registry 2 TTPs 38 IoCs
Processor information is often read in order to detect sandboxing environments.
- Modifies Internet Explorer settings 1 TTPs 4 IoCs
- Modifies registry class 19 IoCs
- Suspicious behavior: AddClipboardFormatListener 1 IoCs
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 24 IoCs
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of SetWindowsHookEx 2 IoCs
- Suspicious use of WriteProcessMemory 10 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\541b4c834d841a5169fad9d4a81cbf91.exe"C:\Users\Admin\AppData\Local\Temp\541b4c834d841a5169fad9d4a81cbf91.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
-
C:\Users\Admin\AppData\Local\Temp\1414.exeC:\Users\Admin\AppData\Local\Temp\1414.exe1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\rundll32.exe"C:\Windows\syswow64\rundll32.exe" "C:\Windows\syswow64\shell32.dll",#612⤵
- Checks processor information in registry
- Modifies registry class
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
-
C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" "C:\Windows\system32\shell32.dll",#61 308433⤵
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
1414.exe
1414.exe
646a9946-d110-45e4-9694-7f4449423a86.tmp
Rpiidpytrto.tmp
f1289b69-6512-49b4-94c5-178649e284db.tmp
jawshtml.html
jusched.log
wmsetup.log
memory/2672-219-0x0000000003510000-0x0000000004079000-memory.dmp
memory/2672-205-0x00000000041D0000-0x0000000004310000-memory.dmp
memory/2672-215-0x00000000041D0000-0x0000000004310000-memory.dmp
memory/2672-217-0x00000000041D0000-0x0000000004310000-memory.dmp
memory/2672-213-0x0000000001040000-0x0000000001A8A000-memory.dmp
memory/2672-218-0x00000000041D0000-0x0000000004310000-memory.dmp
memory/2672-214-0x0000000003510000-0x0000000004079000-memory.dmp
memory/2672-216-0x00000000041D0000-0x0000000004310000-memory.dmp
memory/2672-206-0x00000000041D0000-0x0000000004310000-memory.dmp
memory/2672-204-0x0000000003510000-0x0000000004079000-memory.dmp
memory/2808-135-0x0000000000400000-0x0000000002C3E000-memory.dmp
memory/2808-134-0x0000000000400000-0x0000000002C3E000-memory.dmp
memory/2808-133-0x0000000002DB0000-0x0000000002DB9000-memory.dmp
memory/2808-132-0x0000000002C78000-0x0000000002C8D000-memory.dmp
memory/3004-154-0x0000000002940000-0x0000000002950000-memory.dmp
memory/3004-202-0x0000000002900000-0x0000000002910000-memory.dmp
memory/3004-224-0x0000000007C70000-0x0000000007C80000-memory.dmp
memory/3004-155-0x0000000002940000-0x0000000002950000-memory.dmp
memory/3004-153-0x0000000002910000-0x0000000002920000-memory.dmp
memory/3004-160-0x0000000002940000-0x0000000002950000-memory.dmp
memory/3004-161-0x0000000002940000-0x0000000002950000-memory.dmp
memory/3004-162-0x0000000002940000-0x0000000002950000-memory.dmp
memory/3004-223-0x0000000007C70000-0x0000000007C80000-memory.dmp
memory/3004-136-0x0000000002900000-0x0000000002910000-memory.dmp
memory/3004-137-0x0000000002900000-0x0000000002910000-memory.dmp
memory/3004-138-0x0000000002900000-0x0000000002910000-memory.dmp
memory/3004-167-0x0000000002900000-0x0000000002910000-memory.dmp
memory/3004-168-0x0000000002900000-0x0000000002910000-memory.dmp
memory/3004-169-0x0000000002900000-0x0000000002910000-memory.dmp
memory/3004-139-0x0000000002900000-0x0000000002910000-memory.dmp
memory/3004-171-0x0000000002900000-0x0000000002910000-memory.dmp
memory/3004-172-0x0000000002900000-0x0000000002910000-memory.dmp
memory/3004-173-0x0000000002900000-0x0000000002910000-memory.dmp
memory/3004-174-0x0000000002900000-0x0000000002910000-memory.dmp
memory/3004-175-0x0000000002900000-0x0000000002910000-memory.dmp
memory/3004-140-0x0000000002900000-0x0000000002910000-memory.dmp
memory/3004-177-0x0000000002900000-0x0000000002910000-memory.dmp
memory/3004-180-0x0000000002900000-0x0000000002910000-memory.dmp
memory/3004-141-0x0000000002900000-0x0000000002910000-memory.dmp
memory/3004-185-0x0000000002900000-0x0000000002910000-memory.dmp
memory/3004-142-0x0000000002900000-0x0000000002910000-memory.dmp
memory/3004-143-0x0000000002900000-0x0000000002910000-memory.dmp
memory/3004-192-0x0000000002900000-0x0000000002910000-memory.dmp
memory/3004-194-0x0000000002900000-0x0000000002910000-memory.dmp
memory/3004-196-0x0000000002900000-0x0000000002910000-memory.dmp
memory/3004-197-0x0000000007C70000-0x0000000007C80000-memory.dmp
memory/3004-200-0x0000000007C70000-0x0000000007C80000-memory.dmp
memory/3004-156-0x0000000002940000-0x0000000002950000-memory.dmp
memory/3004-145-0x0000000002900000-0x0000000002910000-memory.dmp
memory/3004-152-0x0000000002900000-0x0000000002910000-memory.dmp
memory/3004-198-0x0000000002900000-0x0000000002910000-memory.dmp
memory/3004-144-0x0000000002900000-0x0000000002910000-memory.dmp
memory/3004-146-0x0000000002900000-0x0000000002910000-memory.dmp
memory/3004-147-0x0000000002900000-0x0000000002910000-memory.dmp
memory/3004-188-0x0000000002900000-0x0000000002910000-memory.dmp
memory/3004-148-0x0000000002900000-0x0000000002910000-memory.dmp
memory/3004-151-0x0000000002900000-0x0000000002910000-memory.dmp
memory/3004-182-0x0000000002900000-0x0000000002910000-memory.dmp
memory/3004-150-0x0000000002900000-0x0000000002910000-memory.dmp
memory/3004-149-0x0000000002900000-0x0000000002910000-memory.dmp
memory/4740-183-0x0000000006C10000-0x0000000006D50000-memory.dmp
memory/4740-170-0x0000000005F40000-0x0000000006AA9000-memory.dmp
memory/4740-190-0x0000000006C10000-0x0000000006D50000-memory.dmp
memory/4740-176-0x0000000005F40000-0x0000000006AA9000-memory.dmp
memory/4740-199-0x0000000006C10000-0x0000000006D50000-memory.dmp
memory/4740-201-0x0000000006C10000-0x0000000006D50000-memory.dmp
memory/4740-189-0x0000000005F40000-0x0000000006AA9000-memory.dmp
memory/4740-186-0x0000000006C10000-0x0000000006D50000-memory.dmp
memory/4740-187-0x0000000006C10000-0x0000000006D50000-memory.dmp
memory/4740-179-0x0000000006C10000-0x0000000006D50000-memory.dmp
memory/4740-193-0x0000000006C10000-0x0000000006D50000-memory.dmp
memory/4740-166-0x0000000000400000-0x00000000030D3000-memory.dmp
memory/4740-165-0x0000000000400000-0x00000000030D3000-memory.dmp
memory/4740-164-0x00000000051B0000-0x0000000005805000-memory.dmp
memory/4740-220-0x0000000000400000-0x00000000030D3000-memory.dmp
memory/4740-221-0x0000000000400000-0x00000000030D3000-memory.dmp
memory/4740-222-0x0000000005F40000-0x0000000006AA9000-memory.dmp
memory/4740-163-0x0000000004BBD000-0x0000000005066000-memory.dmp