Analysis
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max time kernel
300s -
max time network
124s -
platform
windows7_x64 -
resource
win7-20230712-en -
resource tags
arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system -
submitted
20/07/2023, 03:37
Static task
static1
Behavioral task
behavioral1
Sample
73b174c6316230888f3cef2a93ac3f4ba3d35897fa82181cd83beceda6fa7606.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
73b174c6316230888f3cef2a93ac3f4ba3d35897fa82181cd83beceda6fa7606.exe
Resource
win10-20230703-en
General
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Target
73b174c6316230888f3cef2a93ac3f4ba3d35897fa82181cd83beceda6fa7606.exe
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Size
248KB
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MD5
932d72dbb9e47863813fde96f1b80bcc
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SHA1
f945ba7966a0fa0f006850b76252c8bc8e13d83e
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SHA256
73b174c6316230888f3cef2a93ac3f4ba3d35897fa82181cd83beceda6fa7606
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SHA512
150b8fc8ba92d008dd80d1328947dec6fb7df09d02eac43e84bd66f0b4f5035d094838ac8f73cdae33ddb7d9a87b9336bef8d3499842ca71e68f60daf0df5dd6
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SSDEEP
3072:t6dPRwnF4nmpagIKt+H11uEld44gNW6o25q0vMQU5:tI5wnF4nmpeKt8uqvgNW6oQq0
Malware Config
Extracted
smokeloader
up3
Extracted
smokeloader
2020
http://host-file-host6.com/
http://host-host-file8.com/
Signatures
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SmokeLoader
Modular backdoor trojan in use since 2014.
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Deletes itself 1 IoCs
pid Process 1176 Process not Found -
Executes dropped EXE 2 IoCs
pid Process 308 fwjrdai 2808 fwjrdai -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 2040 set thread context of 2404 2040 73b174c6316230888f3cef2a93ac3f4ba3d35897fa82181cd83beceda6fa7606.exe 28 PID 308 set thread context of 2808 308 fwjrdai 33 -
Checks SCSI registry key(s) 3 TTPs 6 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 73b174c6316230888f3cef2a93ac3f4ba3d35897fa82181cd83beceda6fa7606.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 73b174c6316230888f3cef2a93ac3f4ba3d35897fa82181cd83beceda6fa7606.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI fwjrdai Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI fwjrdai Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI fwjrdai Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 73b174c6316230888f3cef2a93ac3f4ba3d35897fa82181cd83beceda6fa7606.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2404 73b174c6316230888f3cef2a93ac3f4ba3d35897fa82181cd83beceda6fa7606.exe 2404 73b174c6316230888f3cef2a93ac3f4ba3d35897fa82181cd83beceda6fa7606.exe 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1176 Process not Found -
Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 2404 73b174c6316230888f3cef2a93ac3f4ba3d35897fa82181cd83beceda6fa7606.exe 2808 fwjrdai -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeShutdownPrivilege 1176 Process not Found -
Suspicious use of WriteProcessMemory 18 IoCs
description pid Process procid_target PID 2040 wrote to memory of 2404 2040 73b174c6316230888f3cef2a93ac3f4ba3d35897fa82181cd83beceda6fa7606.exe 28 PID 2040 wrote to memory of 2404 2040 73b174c6316230888f3cef2a93ac3f4ba3d35897fa82181cd83beceda6fa7606.exe 28 PID 2040 wrote to memory of 2404 2040 73b174c6316230888f3cef2a93ac3f4ba3d35897fa82181cd83beceda6fa7606.exe 28 PID 2040 wrote to memory of 2404 2040 73b174c6316230888f3cef2a93ac3f4ba3d35897fa82181cd83beceda6fa7606.exe 28 PID 2040 wrote to memory of 2404 2040 73b174c6316230888f3cef2a93ac3f4ba3d35897fa82181cd83beceda6fa7606.exe 28 PID 2040 wrote to memory of 2404 2040 73b174c6316230888f3cef2a93ac3f4ba3d35897fa82181cd83beceda6fa7606.exe 28 PID 2040 wrote to memory of 2404 2040 73b174c6316230888f3cef2a93ac3f4ba3d35897fa82181cd83beceda6fa7606.exe 28 PID 2240 wrote to memory of 308 2240 taskeng.exe 32 PID 2240 wrote to memory of 308 2240 taskeng.exe 32 PID 2240 wrote to memory of 308 2240 taskeng.exe 32 PID 2240 wrote to memory of 308 2240 taskeng.exe 32 PID 308 wrote to memory of 2808 308 fwjrdai 33 PID 308 wrote to memory of 2808 308 fwjrdai 33 PID 308 wrote to memory of 2808 308 fwjrdai 33 PID 308 wrote to memory of 2808 308 fwjrdai 33 PID 308 wrote to memory of 2808 308 fwjrdai 33 PID 308 wrote to memory of 2808 308 fwjrdai 33 PID 308 wrote to memory of 2808 308 fwjrdai 33 -
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\73b174c6316230888f3cef2a93ac3f4ba3d35897fa82181cd83beceda6fa7606.exe"C:\Users\Admin\AppData\Local\Temp\73b174c6316230888f3cef2a93ac3f4ba3d35897fa82181cd83beceda6fa7606.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2040 -
C:\Users\Admin\AppData\Local\Temp\73b174c6316230888f3cef2a93ac3f4ba3d35897fa82181cd83beceda6fa7606.exe"C:\Users\Admin\AppData\Local\Temp\73b174c6316230888f3cef2a93ac3f4ba3d35897fa82181cd83beceda6fa7606.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:2404
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C:\Windows\system32\taskeng.exetaskeng.exe {913D7B3C-F438-4205-82E0-73F10BC71D4E} S-1-5-21-2969888527-3102471180-2307688834-1000:YKQDESCX\Admin:Interactive:[1]1⤵
- Suspicious use of WriteProcessMemory
PID:2240 -
C:\Users\Admin\AppData\Roaming\fwjrdaiC:\Users\Admin\AppData\Roaming\fwjrdai2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:308 -
C:\Users\Admin\AppData\Roaming\fwjrdaiC:\Users\Admin\AppData\Roaming\fwjrdai3⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:2808
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
248KB
MD5932d72dbb9e47863813fde96f1b80bcc
SHA1f945ba7966a0fa0f006850b76252c8bc8e13d83e
SHA25673b174c6316230888f3cef2a93ac3f4ba3d35897fa82181cd83beceda6fa7606
SHA512150b8fc8ba92d008dd80d1328947dec6fb7df09d02eac43e84bd66f0b4f5035d094838ac8f73cdae33ddb7d9a87b9336bef8d3499842ca71e68f60daf0df5dd6
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Filesize
248KB
MD5932d72dbb9e47863813fde96f1b80bcc
SHA1f945ba7966a0fa0f006850b76252c8bc8e13d83e
SHA25673b174c6316230888f3cef2a93ac3f4ba3d35897fa82181cd83beceda6fa7606
SHA512150b8fc8ba92d008dd80d1328947dec6fb7df09d02eac43e84bd66f0b4f5035d094838ac8f73cdae33ddb7d9a87b9336bef8d3499842ca71e68f60daf0df5dd6
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Filesize
248KB
MD5932d72dbb9e47863813fde96f1b80bcc
SHA1f945ba7966a0fa0f006850b76252c8bc8e13d83e
SHA25673b174c6316230888f3cef2a93ac3f4ba3d35897fa82181cd83beceda6fa7606
SHA512150b8fc8ba92d008dd80d1328947dec6fb7df09d02eac43e84bd66f0b4f5035d094838ac8f73cdae33ddb7d9a87b9336bef8d3499842ca71e68f60daf0df5dd6