Analysis
- max time kernel
150s - max time network
104s - 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, 04:37
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-e8th2aad88
- SHA256 09b06168acca8ba29dfe3da219df74e03aac0baf6231c8ff5ad3221ca425ca02
- MD5 e52856eb703a3279c20a0ecea2e00a0b
- SHA1 a7aedfcc2cd389bda6cf549c5385123e909ab142
- SHA512 c544fe7da930aa622a92c85cbcc9c9883eae90f2679e77cd37cd582ea36fd600bb9c503d52cb116d240f9a6610c070deef2b7b0d2cb8c1c6e99672ca2bcd7652
- SSDEEP 3072:HXEc1RD9J3JMLJjvgsOTQ5e1coq3HsufxT60vlSmv2puUkj8BNCanng0Pb:37XRJMLaBT5Zq3HsqTzMmvi7Nng6
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/4480-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4052-135-0x0000000002D40000-0x0000000002D49000-memory.dmp family_smokeloader behavioral2/memory/4480-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4480-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4052 set thread context of 4480 4052 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 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 4480 file.exe 4480 file.exe 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found 2724 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2724 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4480 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4052 wrote to memory of 4480 4052 file.exe 81 PID 4052 wrote to memory of 4480 4052 file.exe 81 PID 4052 wrote to memory of 4480 4052 file.exe 81 PID 4052 wrote to memory of 4480 4052 file.exe 81 PID 4052 wrote to memory of 4480 4052 file.exe 81 PID 4052 wrote to memory of 4480 4052 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:4052 -
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:4480
-