Analysis
- max time kernel
150s - max time network
45s - platform
windows7_x64 - resource
win7-20220812-en - resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system - submitted
01/01/2023, 07:20
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
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target file.exe
- Size 239KB
- Sample230101-h54rdabc85
- SHA256 063a0d52220cdaebbd3a2ed9d0140e2661d097d5188605fd93599ca6e6f5b219
- MD5 94b0a2b70b83b14b769e98799c1ad674
- SHA1 81e007e2f4346097bdcb3a186d8f9b835ede1d07
- SHA512 891a7feb1ab23357f7ac91557a36b6535feee4e28a76113be0269c0703ab64752d953490ad20f60354adffb45f9e3f4ad2ca42a7c1e3ceba9ea63404169e3bd6
- SSDEEP 3072:DXRsNgLcsL0+Ym5x7I9bRAKWWaw8F3QUa8HUmq427hZY:7HLo+YeI9RJW3wjIMZY
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 5 IoCs
resource yara_rule behavioral1/memory/1948-58-0x00000000001B0000-0x00000000001B9000-memory.dmp family_smokeloader behavioral1/memory/1676-55-0x0000000000402DD8-mapping.dmp family_smokeloader behavioral1/memory/1676-54-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1676-59-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1676-60-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1948 set thread context of 1676 1948 file.exe 28 - 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 1676 file.exe 1676 file.exe 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1676 file.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1948 wrote to memory of 1676 1948 file.exe 28 PID 1948 wrote to memory of 1676 1948 file.exe 28 PID 1948 wrote to memory of 1676 1948 file.exe 28 PID 1948 wrote to memory of 1676 1948 file.exe 28 PID 1948 wrote to memory of 1676 1948 file.exe 28 PID 1948 wrote to memory of 1676 1948 file.exe 28 PID 1948 wrote to memory of 1676 1948 file.exe 28
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:1948 -
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:1676
-