Analysis
- max time kernel
150s - max time network
135s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
23/01/2023, 20:10
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220812-en
windows7-x64
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20221111-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target file.exe
- Size 327KB
- Sample230123-yxpkgsgh3w
- SHA256 9947926390af05d3d3dab589ae2b3c497ea79bb07ab37a72d2fb78477e45168b
- MD5 6b4d59acb5c586be12c57db820239bcb
- SHA1 769ec4640b8649ae956fec9f4fea1fa1ce854314
- SHA512 e7459830ca32c5556b3413bd73ba404a281d13e08b540cdf278bef04c86f33feb78371c7c851d1f97e8ca767d416836436e0ecf00c2c0dbdb94a8d3bc61e5c21
- SSDEEP 6144:2L/C8iny3nz1yKSnViagtQK/fu1d0O8lmTb:2bCXnQ1ybctQKXu1el
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/4884-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4908-135-0x0000000000610000-0x0000000000619000-memory.dmp family_smokeloader behavioral2/memory/4884-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4884-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4908 set thread context of 4884 4908 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 4884 file.exe 4884 file.exe 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1032 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4884 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4908 wrote to memory of 4884 4908 file.exe 82 PID 4908 wrote to memory of 4884 4908 file.exe 82 PID 4908 wrote to memory of 4884 4908 file.exe 82 PID 4908 wrote to memory of 4884 4908 file.exe 82 PID 4908 wrote to memory of 4884 4908 file.exe 82 PID 4908 wrote to memory of 4884 4908 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:4908 -
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:4884
-