Analysis
- max time kernel
150s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
19/12/2022, 05:56
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20221111-en
windows7-x64
8 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 306KB
- Sample221219-gm3kxsec89
- SHA256 3dc4acf7486a654fe613c3acaedd70f82098f1cb32577ebc725b8f3fac13b1f2
- MD5 d45be1549edeb9c4a7a755723351195c
- SHA1 02997deb7d688ede2a2ec256895a91c2c6cc7e1e
- SHA512 24dc3db819953413f5ea09a5e08a0d9308080c15cca3ab95e3e0c1d5f5ec332ca88fc9d057a392c9953184db41a4a848174a721704adc4b934db87245ca9a395
- SSDEEP 6144:Lql1L0QsDJduGzLPNcgbP0iPvzpQ6rFiaI:LWYQsDJdu0L1cgbPxnzpQ6rF
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/1516-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4344-135-0x0000000002190000-0x0000000002199000-memory.dmp family_smokeloader behavioral2/memory/1516-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/1516-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4344 set thread context of 1516 4344 file.exe 80 - 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 1516 file.exe 1516 file.exe 3076 Process not Found 3076 Process not Found 3076 Process not Found 3076 Process not Found 3076 Process not Found 3076 Process not Found 3076 Process not Found 3076 Process not Found 3076 Process not Found 3076 Process not Found 3076 Process not Found 3076 Process not Found 3076 Process not Found 3076 Process not Found 3076 Process not Found 3076 Process not Found 3076 Process not Found 3076 Process not Found 3076 Process not Found 3076 Process not Found 3076 Process not Found 3076 Process not Found 3076 Process not Found 3076 Process not Found 3076 Process not Found 3076 Process not Found 3076 Process not Found 3076 Process not Found 3076 Process not Found 3076 Process not Found 3076 Process not Found 3076 Process not Found 3076 Process not Found 3076 Process not Found 3076 Process not Found 3076 Process not Found 3076 Process not Found 3076 Process not Found 3076 Process not Found 3076 Process not Found 3076 Process not Found 3076 Process not Found 3076 Process not Found 3076 Process not Found 3076 Process not Found 3076 Process not Found 3076 Process not Found 3076 Process not Found 3076 Process not Found 3076 Process not Found 3076 Process not Found 3076 Process not Found 3076 Process not Found 3076 Process not Found 3076 Process not Found 3076 Process not Found 3076 Process not Found 3076 Process not Found 3076 Process not Found 3076 Process not Found 3076 Process not Found 3076 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3076 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1516 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4344 wrote to memory of 1516 4344 file.exe 80 PID 4344 wrote to memory of 1516 4344 file.exe 80 PID 4344 wrote to memory of 1516 4344 file.exe 80 PID 4344 wrote to memory of 1516 4344 file.exe 80 PID 4344 wrote to memory of 1516 4344 file.exe 80 PID 4344 wrote to memory of 1516 4344 file.exe 80
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:4344 -
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:1516
-