Analysis
- max time kernel
150s - max time network
108s - platform
windows10-2004_x64 - resource
win10v2004-20220901-en - resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system - submitted
06/09/2022, 22:03
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
win10v2004-20220901-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target file.exe
- Size 259KB
- Sample220906-1ybq5aaec6
- SHA256 94289cd347905655b4e4922567ae9078bcf99c65d58aebb1dfa7346d77cece50
- MD5 0d09c3200218dfc92cc68be8f657e3a2
- SHA1 0c1ff10e7ab7df67c332014def71eb3040d71518
- SHA512 1be4b4965d320b2a86981fd6082d6f6f858a3e4f648b65c6e99785edfbcf46ac3a4d2045ab97c58ea269b830daf0ec154e9af7746bb063f7ce6b30b817d404c6
- SSDEEP 6144:FMWup6XD5CaegjuObTH7ln2p5M6gG6cK9/Cx:FM0XtD7juObTH7wp5MHL9I
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/3676-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/1936-135-0x0000000000920000-0x0000000000929000-memory.dmp family_smokeloader behavioral2/memory/3676-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/3676-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1936 set thread context of 3676 1936 file.exe 85 - 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 3676 file.exe 3676 file.exe 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found 1076 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1076 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 3676 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1936 wrote to memory of 3676 1936 file.exe 85 PID 1936 wrote to memory of 3676 1936 file.exe 85 PID 1936 wrote to memory of 3676 1936 file.exe 85 PID 1936 wrote to memory of 3676 1936 file.exe 85 PID 1936 wrote to memory of 3676 1936 file.exe 85 PID 1936 wrote to memory of 3676 1936 file.exe 85
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:1936 -
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:3676
-