Analysis
- max time kernel
152s - max time network
155s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
10/02/2023, 16:09
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220901-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 356KB
- Sample230210-tlsesahf75
- SHA256 e24b4af172879960110a3fc13934e8b85aaefe3acf3bc7a4ff392447ae77e158
- MD5 9282e6a683acc1ac202c389da29f0ae2
- SHA1 0aeb2d59631892700d657f439a9485cddd43b56b
- SHA512 18b4cf9eff9b288de794406dd89d6dd2679ce32d41da8082a19aa6405b7baeb2cf50a7e602bc1c3e104396bde80403ecee55d4adc7e6e71852c437074aee14c7
- SSDEEP 3072:r9/b6+BUqgvKwaIIRObZowxy9bdpwQDlW3cD6eqsyvgV/x9nf6NY86Y2UUL:B7RgvBaITewxQDlJJJFfnfWY86YI
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/2188-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4712-135-0x00000000021C0000-0x00000000021C9000-memory.dmp family_smokeloader behavioral2/memory/2188-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/2188-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4712 set thread context of 2188 4712 file.exe 81 - 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 2188 file.exe 2188 file.exe 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2424 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2188 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4712 wrote to memory of 2188 4712 file.exe 81 PID 4712 wrote to memory of 2188 4712 file.exe 81 PID 4712 wrote to memory of 2188 4712 file.exe 81 PID 4712 wrote to memory of 2188 4712 file.exe 81 PID 4712 wrote to memory of 2188 4712 file.exe 81 PID 4712 wrote to memory of 2188 4712 file.exe 81
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:4712 -
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:2188
-