Analysis
- max time kernel
150s - max time network
94s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
11/01/2023, 01:33
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 267KB
- Sample230111-byhr1aea4y
- SHA256 097f384a2b3d67d87a72f691d3b8eb59dc9c47a8811d1f697865655d0b2e7d40
- MD5 102903301478a36cbeb6061f9d9fd676
- SHA1 15f25c3cb927c534fb8774f719ef5be5e7e5621b
- SHA512 5370bd9d063facb44123093e95bcd889a6f0dec1fae1cf483ac964c80f4b5f470756489961a5bc17d34f6d65135e0170bb8f9a6349222b8d0f92fecfcc75da4d
- SSDEEP 3072:OXE2vU/O03L0x/x9yZ5ECp3v9861euM4PheG50W6AhpusEBNCanng0Pb:WfK3LgygCp3F8akaewL6A+Nng6
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/4996-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/572-135-0x00000000048E0000-0x00000000048E9000-memory.dmp family_smokeloader behavioral2/memory/4996-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4996-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 572 set thread context of 4996 572 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 4996 file.exe 4996 file.exe 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2648 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4996 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 572 wrote to memory of 4996 572 file.exe 82 PID 572 wrote to memory of 4996 572 file.exe 82 PID 572 wrote to memory of 4996 572 file.exe 82 PID 572 wrote to memory of 4996 572 file.exe 82 PID 572 wrote to memory of 4996 572 file.exe 82 PID 572 wrote to memory of 4996 572 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:572 -
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:4996
-