Analysis
- max time kernel
152s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
02/12/2022, 04:11
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20221111-en
windows7-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target file.exe
- Size 191KB
- Sample221202-ery27afg21
- SHA256 3977666fbfbe846ca04dd4d782da1f0333b3fefe798c717e491ef7d283ee9a81
- MD5 e20f9f42820f572addfa98223a71da60
- SHA1 d787bb4cb44e8cd9e488c279f0c261bb19fb4dab
- SHA512 16154446af56455f2147100dfd50d6a1d519983de8856cf92713fb0af4bf9f0100644afb515415d048f273c33d1b326674d612eba11822481faaed24295a3770
- SSDEEP 3072:cgxYzAUxSeIQI54x+/flPPRX2NR1Yfds0S2BZzTN2JPFobERs9E3AZxpR/hMo9P:4xSeIwElZX4Ra+0J7TMh2b1vpt
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/4804-133-0x00000000006C0000-0x00000000006C9000-memory.dmp family_smokeloader behavioral2/memory/4960-135-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4960-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4960-138-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4804 set thread context of 4960 4804 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 queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4960 file.exe 4960 file.exe 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found 2520 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2520 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4960 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4804 wrote to memory of 4960 4804 file.exe 82 PID 4804 wrote to memory of 4960 4804 file.exe 82 PID 4804 wrote to memory of 4960 4804 file.exe 82 PID 4804 wrote to memory of 4960 4804 file.exe 82 PID 4804 wrote to memory of 4960 4804 file.exe 82 PID 4804 wrote to memory of 4960 4804 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:4804 -
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:4960
-