Analysis
- max time kernel
150s - max time network
147s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
- submitted
01/01/2023, 09:37
General
- Target file.exe
- Size 240KB
- Sample230101-llgdhsbd93
- SHA256 cf6c4e067867154366a78dac0328907036f4f21f3bfab0d7ce9e8fcbecaa6dc2
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
- Program crash 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 AdjustPrivilegeToken 10 IoCs
- Suspicious use of WriteProcessMemory 3 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
-
C:\Users\Admin\AppData\Local\Temp\CB92.exeC:\Users\Admin\AppData\Local\Temp\CB92.exe1⤵
- Executes dropped EXE
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3792 -s 2922⤵
- Program crash
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 3792 -ip 37921⤵
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
CB92.exe
CB92.exe
memory/1012-164-0x00000000025C0000-0x00000000025D0000-memory.dmp
memory/1012-186-0x0000000000640000-0x0000000000650000-memory.dmp
memory/1012-146-0x0000000002570000-0x0000000002580000-memory.dmp
memory/1012-188-0x0000000000690000-0x00000000006A0000-memory.dmp
memory/1012-187-0x0000000000690000-0x00000000006A0000-memory.dmp
memory/1012-165-0x00000000025C0000-0x00000000025D0000-memory.dmp
memory/1012-185-0x0000000000690000-0x00000000006A0000-memory.dmp
memory/1012-184-0x0000000000690000-0x00000000006A0000-memory.dmp
memory/1012-145-0x0000000002530000-0x0000000002540000-memory.dmp
memory/1012-166-0x00000000025C0000-0x00000000025D0000-memory.dmp
memory/1012-149-0x0000000002530000-0x0000000002540000-memory.dmp
memory/1012-148-0x0000000002530000-0x0000000002540000-memory.dmp
memory/1012-150-0x0000000002530000-0x0000000002540000-memory.dmp
memory/1012-151-0x0000000002530000-0x0000000002540000-memory.dmp
memory/1012-152-0x0000000002530000-0x0000000002540000-memory.dmp
memory/1012-153-0x0000000002530000-0x0000000002540000-memory.dmp
memory/1012-154-0x0000000002530000-0x0000000002540000-memory.dmp
memory/1012-155-0x0000000002530000-0x0000000002540000-memory.dmp
memory/1012-156-0x0000000002530000-0x0000000002540000-memory.dmp
memory/1012-157-0x0000000002530000-0x0000000002540000-memory.dmp
memory/1012-158-0x0000000002530000-0x0000000002540000-memory.dmp
memory/1012-159-0x0000000002530000-0x0000000002540000-memory.dmp
memory/1012-160-0x0000000002530000-0x0000000002540000-memory.dmp
memory/1012-161-0x00000000025C0000-0x00000000025D0000-memory.dmp
memory/1012-162-0x00000000025C0000-0x00000000025D0000-memory.dmp
memory/1012-163-0x00000000025C0000-0x00000000025D0000-memory.dmp
memory/1012-143-0x0000000002530000-0x0000000002540000-memory.dmp
memory/1012-142-0x0000000002530000-0x0000000002540000-memory.dmp
memory/1012-147-0x0000000002530000-0x0000000002540000-memory.dmp
memory/1012-167-0x0000000002530000-0x0000000002540000-memory.dmp
memory/1012-168-0x0000000002530000-0x0000000002540000-memory.dmp
memory/1012-169-0x0000000002530000-0x0000000002540000-memory.dmp
memory/1012-170-0x0000000002530000-0x0000000002540000-memory.dmp
memory/1012-171-0x0000000002530000-0x0000000002540000-memory.dmp
memory/1012-172-0x0000000002530000-0x0000000002540000-memory.dmp
memory/1012-173-0x0000000002530000-0x0000000002540000-memory.dmp
memory/1012-174-0x0000000002530000-0x0000000002540000-memory.dmp
memory/1012-175-0x0000000002530000-0x0000000002540000-memory.dmp
memory/1012-176-0x0000000002530000-0x0000000002540000-memory.dmp
memory/1012-178-0x0000000002530000-0x0000000002540000-memory.dmp
memory/1012-177-0x0000000002530000-0x0000000002540000-memory.dmp
memory/1012-179-0x0000000002530000-0x0000000002540000-memory.dmp
memory/1012-180-0x0000000002530000-0x0000000002540000-memory.dmp
memory/1012-181-0x0000000002530000-0x0000000002540000-memory.dmp
memory/1012-182-0x0000000002530000-0x0000000002540000-memory.dmp
memory/1012-183-0x0000000002530000-0x0000000002540000-memory.dmp
memory/2072-135-0x0000000000400000-0x0000000000459000-memory.dmp
memory/2072-134-0x0000000000400000-0x0000000000459000-memory.dmp
memory/2072-133-0x0000000002190000-0x0000000002199000-memory.dmp
memory/2072-132-0x00000000006BD000-0x00000000006CE000-memory.dmp
memory/3792-139-0x00000000029CD000-0x0000000003043000-memory.dmp
memory/3792-140-0x0000000003050000-0x0000000003913000-memory.dmp
memory/3792-141-0x0000000000400000-0x0000000000CD0000-memory.dmp