Analysis
- max time kernel
150s - max time network
98s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system - submitted
23/03/2023, 01:38
Static task
static1
Behavioral task
behavioral1
Sample
setup.exe
Resource
win7-20230220-en
windows7-x64
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
setup.exe
Resource
win10v2004-20230220-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target setup.exe
- Size 252KB
- Sample230323-b2d8zsef6x
- SHA256 6bd9c5b9182a7d21f7d3bdf98af653a0bfd2fc18215fc3c671c494c729af2a64
- MD5 0b68b7ee0c59ddf1779559dedcd660b0
- SHA1 0f3e519225357d2a241a68ed0d32a7720520c3cb
- SHA512 0743d4c582bc1a912c198074a9ebdfb23994cd556565cb27957107f07bd03235dc9f5a579718f192984097eb36145daaf28b9229a3330077bd5ce7e65cfd49b7
- SSDEEP 3072:wcDLSw+CeMh+ucYULd7bcm1uOAApXfj2AivYlbX2Y+EZge2CP1Y5hPA82MG:PuZfYULd3Z15fWYlbX2Y+OgeziY8
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Extracted
Family
-
smokeloader
Botnet
-
lab
Extracted
Family
-
smokeloader
Version
-
2020
C2
-
http://host-file-host6.com/
-
http://host-host-file8.com/
rc4.i32
rc4.i32
Signatures
- SmokeLoader
Modular backdoor trojan in use since 2014.
- Executes dropped EXE 2 IoCs
pid Process 3164 wbjjjsj 4616 wbjjjsj - Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 1052 set thread context of 4368 1052 setup.exe 86 PID 3164 set thread context of 4616 3164 wbjjjsj 108 - Checks SCSI registry key(s) 3 TTPs 6 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI setup.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI setup.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI setup.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI wbjjjsj Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI wbjjjsj Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI wbjjjsj - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4368 setup.exe 4368 setup.exe 3212 Process not Found 3212 Process not Found 3212 Process not Found 3212 Process not Found 3212 Process not Found 3212 Process not Found 3212 Process not Found 3212 Process not Found 3212 Process not Found 3212 Process not Found 3212 Process not Found 3212 Process not Found 3212 Process not Found 3212 Process not Found 3212 Process not Found 3212 Process not Found 3212 Process not Found 3212 Process not Found 3212 Process not Found 3212 Process not Found 3212 Process not Found 3212 Process not Found 3212 Process not Found 3212 Process not Found 3212 Process not Found 3212 Process not Found 3212 Process not Found 3212 Process not Found 3212 Process not Found 3212 Process not Found 3212 Process not Found 3212 Process not Found 3212 Process not Found 3212 Process not Found 3212 Process not Found 3212 Process not Found 3212 Process not Found 3212 Process not Found 3212 Process not Found 3212 Process not Found 3212 Process not Found 3212 Process not Found 3212 Process not Found 3212 Process not Found 3212 Process not Found 3212 Process not Found 3212 Process not Found 3212 Process not Found 3212 Process not Found 3212 Process not Found 3212 Process not Found 3212 Process not Found 3212 Process not Found 3212 Process not Found 3212 Process not Found 3212 Process not Found 3212 Process not Found 3212 Process not Found 3212 Process not Found 3212 Process not Found 3212 Process not Found 3212 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3212 Process not Found - Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 4368 setup.exe 4616 wbjjjsj - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeShutdownPrivilege 3212 Process not Found Token: SeCreatePagefilePrivilege 3212 Process not Found - Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 1052 wrote to memory of 4368 1052 setup.exe 86 PID 1052 wrote to memory of 4368 1052 setup.exe 86 PID 1052 wrote to memory of 4368 1052 setup.exe 86 PID 1052 wrote to memory of 4368 1052 setup.exe 86 PID 1052 wrote to memory of 4368 1052 setup.exe 86 PID 1052 wrote to memory of 4368 1052 setup.exe 86 PID 3164 wrote to memory of 4616 3164 wbjjjsj 108 PID 3164 wrote to memory of 4616 3164 wbjjjsj 108 PID 3164 wrote to memory of 4616 3164 wbjjjsj 108 PID 3164 wrote to memory of 4616 3164 wbjjjsj 108 PID 3164 wrote to memory of 4616 3164 wbjjjsj 108 PID 3164 wrote to memory of 4616 3164 wbjjjsj 108 - 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\setup.exe"C:\Users\Admin\AppData\Local\Temp\setup.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1052 -
C:\Users\Admin\AppData\Local\Temp\setup.exe"C:\Users\Admin\AppData\Local\Temp\setup.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:4368
-
-
C:\Users\Admin\AppData\Roaming\wbjjjsjC:\Users\Admin\AppData\Roaming\wbjjjsj1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3164 -
C:\Users\Admin\AppData\Roaming\wbjjjsjC:\Users\Admin\AppData\Roaming\wbjjjsj2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:4616
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Roaming\wbjjjsj
- Size 252KB
- SHA256 6bd9c5b9182a7d21f7d3bdf98af653a0bfd2fc18215fc3c671c494c729af2a64
- MD5 0b68b7ee0c59ddf1779559dedcd660b0
- SHA1 0f3e519225357d2a241a68ed0d32a7720520c3cb
- SHA512 0743d4c582bc1a912c198074a9ebdfb23994cd556565cb27957107f07bd03235dc9f5a579718f192984097eb36145daaf28b9229a3330077bd5ce7e65cfd49b7
- SSDEEP 3072:wcDLSw+CeMh+ucYULd7bcm1uOAApXfj2AivYlbX2Y+EZge2CP1Y5hPA82MG:PuZfYULd3Z15fWYlbX2Y+OgeziY8
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\wbjjjsj
- Size 252KB
- SHA256 6bd9c5b9182a7d21f7d3bdf98af653a0bfd2fc18215fc3c671c494c729af2a64
- MD5 0b68b7ee0c59ddf1779559dedcd660b0
- SHA1 0f3e519225357d2a241a68ed0d32a7720520c3cb
- SHA512 0743d4c582bc1a912c198074a9ebdfb23994cd556565cb27957107f07bd03235dc9f5a579718f192984097eb36145daaf28b9229a3330077bd5ce7e65cfd49b7
- SSDEEP 3072:wcDLSw+CeMh+ucYULd7bcm1uOAApXfj2AivYlbX2Y+EZge2CP1Y5hPA82MG:PuZfYULd3Z15fWYlbX2Y+OgeziY8
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\wbjjjsj
- Size 252KB
- SHA256 6bd9c5b9182a7d21f7d3bdf98af653a0bfd2fc18215fc3c671c494c729af2a64
- MD5 0b68b7ee0c59ddf1779559dedcd660b0
- SHA1 0f3e519225357d2a241a68ed0d32a7720520c3cb
- SHA512 0743d4c582bc1a912c198074a9ebdfb23994cd556565cb27957107f07bd03235dc9f5a579718f192984097eb36145daaf28b9229a3330077bd5ce7e65cfd49b7
- SSDEEP 3072:wcDLSw+CeMh+ucYULd7bcm1uOAApXfj2AivYlbX2Y+EZge2CP1Y5hPA82MG:PuZfYULd3Z15fWYlbX2Y+OgeziY8
- MD5 SHA1 SHA512 SSDEEP