Analysis
- max time kernel
150s - max time network
103s - platform
windows10-2004_x64 - resource
win10v2004-20230221-en - resource tags
arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system - submitted
28/05/2023, 12:26
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
40dcb3614c663e7ef659044a6514d446.exe
Resource
win7-20230220-en
windows7-x64
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
40dcb3614c663e7ef659044a6514d446.exe
Resource
win10v2004-20230221-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target 40dcb3614c663e7ef659044a6514d446.exe
- Size 283KB
- Sample230528-pl66qafa85
- SHA256 069b749dc167bae6560ea3f73a461184f0380f6ae3ffcfc095488063da4f9554
- MD5 40dcb3614c663e7ef659044a6514d446
- SHA1 4c25245ddbea2d5fb5330ce333d313a4973e5b98
- SHA512 06520e1bb1c3f06428738ba5f10dd0445bc2fedaa461e5d53f2a5727718f88b138dafc08658d3598b317a06c97bd26b543b8685f52f948952384939a715ecfd4
- SSDEEP 3072:5NifDzAVBXaRLmIuLQO4RfI0NlusQ8+kdMEuj8hxdd5gWw9KDD5Qj:afDzA6RcefIq3Q/kWEu4GZYDDej
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Extracted
Family
-
smokeloader
Botnet
-
up3
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.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2208 set thread context of 464 2208 40dcb3614c663e7ef659044a6514d446.exe 85 - Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 40dcb3614c663e7ef659044a6514d446.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 40dcb3614c663e7ef659044a6514d446.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 40dcb3614c663e7ef659044a6514d446.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 464 40dcb3614c663e7ef659044a6514d446.exe 464 40dcb3614c663e7ef659044a6514d446.exe 3192 Process not Found 3192 Process not Found 3192 Process not Found 3192 Process not Found 3192 Process not Found 3192 Process not Found 3192 Process not Found 3192 Process not Found 3192 Process not Found 3192 Process not Found 3192 Process not Found 3192 Process not Found 3192 Process not Found 3192 Process not Found 3192 Process not Found 3192 Process not Found 3192 Process not Found 3192 Process not Found 3192 Process not Found 3192 Process not Found 3192 Process not Found 3192 Process not Found 3192 Process not Found 3192 Process not Found 3192 Process not Found 3192 Process not Found 3192 Process not Found 3192 Process not Found 3192 Process not Found 3192 Process not Found 3192 Process not Found 3192 Process not Found 3192 Process not Found 3192 Process not Found 3192 Process not Found 3192 Process not Found 3192 Process not Found 3192 Process not Found 3192 Process not Found 3192 Process not Found 3192 Process not Found 3192 Process not Found 3192 Process not Found 3192 Process not Found 3192 Process not Found 3192 Process not Found 3192 Process not Found 3192 Process not Found 3192 Process not Found 3192 Process not Found 3192 Process not Found 3192 Process not Found 3192 Process not Found 3192 Process not Found 3192 Process not Found 3192 Process not Found 3192 Process not Found 3192 Process not Found 3192 Process not Found 3192 Process not Found 3192 Process not Found 3192 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3192 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 464 40dcb3614c663e7ef659044a6514d446.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2208 wrote to memory of 464 2208 40dcb3614c663e7ef659044a6514d446.exe 85 PID 2208 wrote to memory of 464 2208 40dcb3614c663e7ef659044a6514d446.exe 85 PID 2208 wrote to memory of 464 2208 40dcb3614c663e7ef659044a6514d446.exe 85 PID 2208 wrote to memory of 464 2208 40dcb3614c663e7ef659044a6514d446.exe 85 PID 2208 wrote to memory of 464 2208 40dcb3614c663e7ef659044a6514d446.exe 85 PID 2208 wrote to memory of 464 2208 40dcb3614c663e7ef659044a6514d446.exe 85 - 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\40dcb3614c663e7ef659044a6514d446.exe"C:\Users\Admin\AppData\Local\Temp\40dcb3614c663e7ef659044a6514d446.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2208 -
C:\Users\Admin\AppData\Local\Temp\40dcb3614c663e7ef659044a6514d446.exe"C:\Users\Admin\AppData\Local\Temp\40dcb3614c663e7ef659044a6514d446.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:464
-