Analysis
- max time kernel
151s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
15/01/2023, 13:30
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20221111-en
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20221111-en
9 signatures
150 seconds
General
- Target file.exe
- Size 206KB
- Sample230115-qrtcgsfc77
- SHA256 cc93dcf1ba087eb7e4aedf9ed3f4f763a4ab2ba243c16a2005e06f08daabffc7
- MD5 96b7c7217ae745c0c244ad1d968c8f16
- SHA1 7f433fe85ccb93b2339f6bc4c7cf5ef53aa68345
- SHA512 31c21c62b353e22382f17f7253ca3afa9558dd91c474235a98e348b298d11addc453065445c37305592e2d6c6c9b0ed216eb33f2921e7236b88f3bfa32bdcf5c
- SSDEEP 3072:1Xt6Xk6tCaI5mikPmbX8E07FRoV+MVZ739CN24WL1Zi:x35IGI7foYMbtCn
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/4204-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4892-135-0x0000000002CE0000-0x0000000002CE9000-memory.dmp family_smokeloader behavioral2/memory/4204-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4204-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4892 set thread context of 4204 4892 file.exe 82 - 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 file.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4204 file.exe 4204 file.exe 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found 2688 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2688 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4204 file.exe - Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeShutdownPrivilege 2688 Process not Found Token: SeCreatePagefilePrivilege 2688 Process not Found Token: SeShutdownPrivilege 2688 Process not Found Token: SeCreatePagefilePrivilege 2688 Process not Found Token: SeShutdownPrivilege 2688 Process not Found Token: SeCreatePagefilePrivilege 2688 Process not Found Token: SeShutdownPrivilege 2688 Process not Found Token: SeCreatePagefilePrivilege 2688 Process not Found Token: SeShutdownPrivilege 2688 Process not Found Token: SeCreatePagefilePrivilege 2688 Process not Found Token: SeShutdownPrivilege 2688 Process not Found Token: SeCreatePagefilePrivilege 2688 Process not Found - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4892 wrote to memory of 4204 4892 file.exe 82 PID 4892 wrote to memory of 4204 4892 file.exe 82 PID 4892 wrote to memory of 4204 4892 file.exe 82 PID 4892 wrote to memory of 4204 4892 file.exe 82 PID 4892 wrote to memory of 4204 4892 file.exe 82 PID 4892 wrote to memory of 4204 4892 file.exe 82
Processes
-
C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4892 -
C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:4204
-