Analysis
- max time kernel
150s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
22/01/2023, 00:24
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 195KB
- Sample230122-ap2cbagc8z
- SHA256 ccfed9e78d9b8630eee643f3f4a31e33077405db309ea1b61d70c634a00f9b49
- MD5 2f2538693b213911b35276bfc80a59be
- SHA1 b5c763371780ab89ac4341fe41d21c31b9dd7fff
- SHA512 169845ad88d7f3e0b3fe861d129f6474fca1896db89014fd1e086915e675d994f0cc5913d1565c874390d7c28aa004c0c0f2643426cb448adf83b84bef660d47
- SSDEEP 3072:9BN4X3V7DNUKhLqR99h4W5CxPkWAxfvWJSbQtffKgk4Lj0QQ:DmAMLqD9h4LdkWA1eSbcyn4LIQ
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/4604-134-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4972-135-0x0000000002DF0000-0x0000000002DF9000-memory.dmp family_smokeloader behavioral2/memory/4604-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4604-138-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4972 set thread context of 4604 4972 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 enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4604 file.exe 4604 file.exe 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found 3000 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3000 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4604 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4972 wrote to memory of 4604 4972 file.exe 80 PID 4972 wrote to memory of 4604 4972 file.exe 80 PID 4972 wrote to memory of 4604 4972 file.exe 80 PID 4972 wrote to memory of 4604 4972 file.exe 80 PID 4972 wrote to memory of 4604 4972 file.exe 80 PID 4972 wrote to memory of 4604 4972 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:4972 -
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:4604
-