Analysis
- max time kernel
150s - max time network
146s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
- submitted
17/02/2024, 07:30
General
- Target 3be6dbda5b7e9826fe8c4793051b2ac1e9ddd1e3cc7e56e5d4a9c612414a5daf.exe
- Size 248KB
- Sample240217-jb41qada34
- SHA256 3be6dbda5b7e9826fe8c4793051b2ac1e9ddd1e3cc7e56e5d4a9c612414a5daf
Malware Config
Extracted
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smokeloader
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pub3
Extracted
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smokeloader
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2022
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http://sjyey.com/tmp/index.php
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http://babonwo.ru/tmp/index.php
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http://mth.com.ua/tmp/index.php
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http://piratia.pw/tmp/index.php
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http://go-piratia.ru/tmp/index.php
Extracted
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amadey
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4.14
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http://anfesq.com
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http://cbinr.com
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http://rimakc.ru
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install_dir
68fd3d7ade
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install_file
Utsysc.exe
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strings_key
27ec7fd6f50f63b8af0c1d3deefcc8fe
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url_paths
/forum/index.php
Signatures
- Amadey
Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.
- SmokeLoader
Modular backdoor trojan in use since 2014.
- Downloads MZ/PE file
- Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
- Deletes itself 1 IoCs
- Executes dropped EXE 4 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Program crash 11 IoCs
- Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 24 IoCs
- Suspicious use of WriteProcessMemory 9 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
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C:\Users\Admin\AppData\Local\Temp\3be6dbda5b7e9826fe8c4793051b2ac1e9ddd1e3cc7e56e5d4a9c612414a5daf.exe"C:\Users\Admin\AppData\Local\Temp\3be6dbda5b7e9826fe8c4793051b2ac1e9ddd1e3cc7e56e5d4a9c612414a5daf.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
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C:\Users\Admin\AppData\Local\Temp\C0C0.exeC:\Users\Admin\AppData\Local\Temp\C0C0.exe1⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 736 -s 5962⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 736 -s 5922⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 736 -s 7242⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 736 -s 7602⤵
- Program crash
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C:\Users\Admin\AppData\Local\Temp\68fd3d7ade\Utsysc.exe"C:\Users\Admin\AppData\Local\Temp\68fd3d7ade\Utsysc.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4120 -s 6163⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4120 -s 7283⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4120 -s 8123⤵
- Program crash
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN Utsysc.exe /TR "C:\Users\Admin\AppData\Local\Temp\68fd3d7ade\Utsysc.exe" /F3⤵
- Creates scheduled task(s)
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4120 -s 9163⤵
- Program crash
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-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 736 -s 13802⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 736 -ip 7361⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 736 -ip 7361⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 736 -ip 7361⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 736 -ip 7361⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 736 -ip 7361⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 4120 -ip 41201⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 4120 -ip 41201⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 4120 -ip 41201⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 4120 -ip 41201⤵
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C:\Users\Admin\AppData\Local\Temp\68fd3d7ade\Utsysc.exeC:\Users\Admin\AppData\Local\Temp\68fd3d7ade\Utsysc.exe1⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4964 -s 4442⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 4964 -ip 49641⤵
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C:\Users\Admin\AppData\Local\Temp\68fd3d7ade\Utsysc.exeC:\Users\Admin\AppData\Local\Temp\68fd3d7ade\Utsysc.exe1⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1732 -s 4442⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1732 -ip 17321⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
C0C0.exe
memory/736-26-0x0000000000400000-0x0000000000850000-memory.dmp
memory/736-27-0x00000000008E0000-0x000000000094F000-memory.dmp
memory/736-16-0x0000000000980000-0x0000000000A80000-memory.dmp
memory/736-17-0x00000000008E0000-0x000000000094F000-memory.dmp
memory/736-18-0x0000000000400000-0x0000000000850000-memory.dmp
memory/1732-50-0x0000000000400000-0x0000000000850000-memory.dmp
memory/1732-49-0x00000000009D0000-0x0000000000AD0000-memory.dmp
memory/3412-4-0x0000000001390000-0x00000000013A6000-memory.dmp
memory/4120-30-0x0000000000400000-0x0000000000850000-memory.dmp
memory/4120-29-0x0000000000870000-0x0000000000970000-memory.dmp
memory/4120-31-0x0000000000400000-0x0000000000850000-memory.dmp
memory/4120-32-0x0000000000870000-0x0000000000970000-memory.dmp
memory/4220-5-0x0000000000400000-0x0000000002BE9000-memory.dmp
memory/4220-1-0x0000000002D60000-0x0000000002E60000-memory.dmp
memory/4220-3-0x0000000000400000-0x0000000002BE9000-memory.dmp
memory/4220-2-0x0000000002CC0000-0x0000000002CCB000-memory.dmp
memory/4964-38-0x0000000000B90000-0x0000000000C90000-memory.dmp
memory/4964-39-0x0000000000400000-0x0000000000850000-memory.dmp