Analysis
-
max time kernel
150s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
22/09/2023, 12:32
Static task
static1
Behavioral task
behavioral1
Sample
f0659054cb13ab88840c2f1a57801047f94107a0cbaa81243562a88d0c9a9db5.exe
Resource
win10v2004-20230915-en
General
-
Target
f0659054cb13ab88840c2f1a57801047f94107a0cbaa81243562a88d0c9a9db5.exe
-
Size
211KB
-
MD5
62af6b97500284381cc7e5c3898febc5
-
SHA1
3a5d84698f124febdd75bff683b59b4c7952b632
-
SHA256
f0659054cb13ab88840c2f1a57801047f94107a0cbaa81243562a88d0c9a9db5
-
SHA512
135d7dd593d96fbdadcecff8bbad19b040c58e9378a79cbbe2f31acf16547dabe8986a283f3bab73eb124a8848ecc3cc9af4b101b5d1142c65876f99a991f699
-
SSDEEP
3072:OXykyagapwl24UiMSNNp27hPZ5QnEUa5FsOo+gzYXk:WdggK24GamVPrKTqsOhH
Malware Config
Extracted
smokeloader
pub1
Extracted
smokeloader
2020
http://host-file-host6.com/
http://host-host-file8.com/
Signatures
-
SmokeLoader
Modular backdoor trojan in use since 2014.
-
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2064 set thread context of 4640 2064 f0659054cb13ab88840c2f1a57801047f94107a0cbaa81243562a88d0c9a9db5.exe 89 -
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 f0659054cb13ab88840c2f1a57801047f94107a0cbaa81243562a88d0c9a9db5.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI f0659054cb13ab88840c2f1a57801047f94107a0cbaa81243562a88d0c9a9db5.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI f0659054cb13ab88840c2f1a57801047f94107a0cbaa81243562a88d0c9a9db5.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4640 f0659054cb13ab88840c2f1a57801047f94107a0cbaa81243562a88d0c9a9db5.exe 4640 f0659054cb13ab88840c2f1a57801047f94107a0cbaa81243562a88d0c9a9db5.exe 2504 Process not Found 2504 Process not Found 2504 Process not Found 2504 Process not Found 2504 Process not Found 2504 Process not Found 2504 Process not Found 2504 Process not Found 2504 Process not Found 2504 Process not Found 2504 Process not Found 2504 Process not Found 2504 Process not Found 2504 Process not Found 2504 Process not Found 2504 Process not Found 2504 Process not Found 2504 Process not Found 2504 Process not Found 2504 Process not Found 2504 Process not Found 2504 Process not Found 2504 Process not Found 2504 Process not Found 2504 Process not Found 2504 Process not Found 2504 Process not Found 2504 Process not Found 2504 Process not Found 2504 Process not Found 2504 Process not Found 2504 Process not Found 2504 Process not Found 2504 Process not Found 2504 Process not Found 2504 Process not Found 2504 Process not Found 2504 Process not Found 2504 Process not Found 2504 Process not Found 2504 Process not Found 2504 Process not Found 2504 Process not Found 2504 Process not Found 2504 Process not Found 2504 Process not Found 2504 Process not Found 2504 Process not Found 2504 Process not Found 2504 Process not Found 2504 Process not Found 2504 Process not Found 2504 Process not Found 2504 Process not Found 2504 Process not Found 2504 Process not Found 2504 Process not Found 2504 Process not Found 2504 Process not Found 2504 Process not Found 2504 Process not Found 2504 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2504 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4640 f0659054cb13ab88840c2f1a57801047f94107a0cbaa81243562a88d0c9a9db5.exe -
Suspicious use of AdjustPrivilegeToken 8 IoCs
description pid Process Token: SeShutdownPrivilege 2504 Process not Found Token: SeCreatePagefilePrivilege 2504 Process not Found Token: SeShutdownPrivilege 2504 Process not Found Token: SeCreatePagefilePrivilege 2504 Process not Found Token: SeShutdownPrivilege 2504 Process not Found Token: SeCreatePagefilePrivilege 2504 Process not Found Token: SeShutdownPrivilege 2504 Process not Found Token: SeCreatePagefilePrivilege 2504 Process not Found -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 2504 Process not Found 2504 Process not Found -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2064 wrote to memory of 4640 2064 f0659054cb13ab88840c2f1a57801047f94107a0cbaa81243562a88d0c9a9db5.exe 89 PID 2064 wrote to memory of 4640 2064 f0659054cb13ab88840c2f1a57801047f94107a0cbaa81243562a88d0c9a9db5.exe 89 PID 2064 wrote to memory of 4640 2064 f0659054cb13ab88840c2f1a57801047f94107a0cbaa81243562a88d0c9a9db5.exe 89 PID 2064 wrote to memory of 4640 2064 f0659054cb13ab88840c2f1a57801047f94107a0cbaa81243562a88d0c9a9db5.exe 89 PID 2064 wrote to memory of 4640 2064 f0659054cb13ab88840c2f1a57801047f94107a0cbaa81243562a88d0c9a9db5.exe 89 PID 2064 wrote to memory of 4640 2064 f0659054cb13ab88840c2f1a57801047f94107a0cbaa81243562a88d0c9a9db5.exe 89 -
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\f0659054cb13ab88840c2f1a57801047f94107a0cbaa81243562a88d0c9a9db5.exe"C:\Users\Admin\AppData\Local\Temp\f0659054cb13ab88840c2f1a57801047f94107a0cbaa81243562a88d0c9a9db5.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2064 -
C:\Users\Admin\AppData\Local\Temp\f0659054cb13ab88840c2f1a57801047f94107a0cbaa81243562a88d0c9a9db5.exe"C:\Users\Admin\AppData\Local\Temp\f0659054cb13ab88840c2f1a57801047f94107a0cbaa81243562a88d0c9a9db5.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:4640
-