Analysis
- max time kernel
22s - max time network
57s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
- submitted
09/01/2024, 02:48
General
- Target 684bcee9dcb5326013108c4f4fb40dce8d98bc937a00b64e9d9f9754d0c78377.exe
- Size 311KB
- Sample240109-dalj4acgbq
- SHA256 684bcee9dcb5326013108c4f4fb40dce8d98bc937a00b64e9d9f9754d0c78377
Malware Config
Extracted
-
smokeloader
-
up3
Extracted
-
smokeloader
-
2020
-
http://host-file-host6.com/
-
http://host-host-file8.com/
Signatures
- SmokeLoader
Modular backdoor trojan in use since 2014.
- Deletes itself 1 IoCs
- Executes dropped EXE 1 IoCs
- Checks whether UAC is enabled 1 TTPs 1 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
- Program crash 3 IoCs
- NSIS installer 1 IoCs
- 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 2 IoCs
Processor information is often read in order to detect sandboxing environments.
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 16 IoCs
- Suspicious use of WriteProcessMemory 3 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\684bcee9dcb5326013108c4f4fb40dce8d98bc937a00b64e9d9f9754d0c78377.exe"C:\Users\Admin\AppData\Local\Temp\684bcee9dcb5326013108c4f4fb40dce8d98bc937a00b64e9d9f9754d0c78377.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3516 -s 3722⤵
- Program crash
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 3516 -ip 35161⤵
-
C:\Users\Admin\AppData\Local\Temp\949F.exeC:\Users\Admin\AppData\Local\Temp\949F.exe1⤵
- Executes dropped EXE
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Suspicious use of AdjustPrivilegeToken
-
C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe2⤵
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2208 -s 11403⤵
- Program crash
-
-
-
C:\Users\Admin\AppData\Local\Temp\9C50.exeC:\Users\Admin\AppData\Local\Temp\9C50.exe1⤵
-
C:\Users\Admin\AppData\Local\Temp\WindowsUpdater.exe"C:\Users\Admin\AppData\Local\Temp\WindowsUpdater.exe"2⤵
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 2208 -ip 22081⤵
-
C:\Users\Admin\AppData\Roaming\aicdgtvC:\Users\Admin\AppData\Roaming\aicdgtv1⤵
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3168 -s 3682⤵
- Program crash
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 388 -p 3168 -ip 31681⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
949F.exe
memory/448-64-0x0000000072580000-0x0000000072C97000-memory.dmp
memory/448-58-0x0000000072580000-0x0000000072C97000-memory.dmp
memory/2208-63-0x0000000000700000-0x00000000007C4000-memory.dmp
memory/2208-24-0x0000000000820000-0x0000000000C54000-memory.dmp
memory/2208-62-0x0000000000820000-0x0000000000C53000-memory.dmp
memory/2208-31-0x0000000002BF0000-0x0000000002BF1000-memory.dmp
memory/2208-28-0x0000000000700000-0x00000000007C4000-memory.dmp
memory/2208-30-0x0000000000700000-0x00000000007C4000-memory.dmp
memory/2208-26-0x0000000000820000-0x0000000000C54000-memory.dmp
memory/2208-59-0x0000000000700000-0x00000000007C4000-memory.dmp
memory/2208-60-0x0000000004450000-0x0000000004452000-memory.dmp
memory/3168-69-0x0000000000400000-0x0000000000454000-memory.dmp
memory/3168-68-0x00000000004C0000-0x00000000005C0000-memory.dmp
memory/3168-73-0x0000000000400000-0x0000000000454000-memory.dmp
memory/3408-70-0x00000000024C0000-0x00000000024D6000-memory.dmp
memory/3408-4-0x0000000002540000-0x0000000002556000-memory.dmp
memory/3516-7-0x0000000000400000-0x0000000000454000-memory.dmp
memory/3516-2-0x00000000005E0000-0x00000000005E9000-memory.dmp
memory/3516-3-0x0000000000400000-0x0000000000454000-memory.dmp
memory/3516-1-0x00000000004D0000-0x00000000005D0000-memory.dmp
memory/3900-39-0x0000000000FF0000-0x0000000001586000-memory.dmp
memory/3900-46-0x0000000000FF0000-0x0000000001586000-memory.dmp
memory/4272-14-0x0000000000010000-0x000000000006D000-memory.dmp
memory/4272-33-0x00000000022B0000-0x0000000002316000-memory.dmp
memory/4272-16-0x00000000022B0000-0x0000000002316000-memory.dmp
memory/4272-17-0x0000000000920000-0x000000000092D000-memory.dmp
memory/4272-18-0x00000000022B0000-0x0000000002316000-memory.dmp
memory/4272-20-0x0000000077044000-0x0000000077045000-memory.dmp
memory/4272-21-0x0000000002800000-0x0000000002801000-memory.dmp
memory/4272-22-0x0000000002830000-0x000000000283C000-memory.dmp
memory/4272-23-0x00000000022B0000-0x0000000002316000-memory.dmp