Analysis
- max time kernel
150s - max time network
139s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
24/12/2022, 12:03
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
win10v2004-20221111-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target file.exe
- Size 226KB
- Sample221224-n71qdsdb7t
- SHA256 ab0fe1c0a27893f04b3edde23ffdf6b5db5ecc44efa3d567008fc95876a2c8f6
- MD5 8c29da4e1c79f57e85c550a65f8aae84
- SHA1 f34199504a58b4e5178732e4ca26918cb0a03da7
- SHA512 bdf1f3fade070dd36ff747eee739468d9bfe82c00e093fdd7116826135efc4aec6337f64ef746db58140067b15300d0b771efd8d8dfd14359ce7704d3416e149
- SSDEEP 3072:qDrGmL4BjK5oMoiAiwUhajyn+6wutrqbm2r5cauD1CE7f/ln:2pL4dbM/Aid7+EWdrSaMnh
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/4408-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/3804-135-0x00000000005A0000-0x00000000005A9000-memory.dmp family_smokeloader behavioral2/memory/4408-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4408-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3804 set thread context of 4408 3804 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 4408 file.exe 4408 file.exe 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2532 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4408 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3804 wrote to memory of 4408 3804 file.exe 81 PID 3804 wrote to memory of 4408 3804 file.exe 81 PID 3804 wrote to memory of 4408 3804 file.exe 81 PID 3804 wrote to memory of 4408 3804 file.exe 81 PID 3804 wrote to memory of 4408 3804 file.exe 81 PID 3804 wrote to memory of 4408 3804 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:3804 -
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:4408
-