Analysis
- max time kernel
156s - max time network
140s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
06/09/2022, 09:41
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
7 signatures
150 seconds
General
- Target file.exe
- Size 274KB
- Sample220906-lnrl9saga7
- SHA256 a15f831acece5df93f4de227b06aa7c119724228c679cb242e4d1931eb0bb31f
- MD5 7136b7f6380796b954962c6795a86191
- SHA1 8a2864a0adef4996a8fb597469d232e38e46127b
- SHA512 13f1bd7610b7331907ecaefd7d930363c2322c8241eee257edf2c32ca34542f40a2e44c8da88a44ad1d42336bb54d1a3fcc94f5626f04265f82ca09052adcdbf
- SSDEEP 6144:6qJn6P4UDSxuy6YjURFcohokYWacg7faWIQ4a47:nJc4UugVYjURFcoho0acOfoQ43
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/4856-133-0x00000000001C0000-0x00000000001C9000-memory.dmp family_smokeloader behavioral2/memory/4596-135-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4596-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4596-138-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4856 set thread context of 4596 4856 file.exe 101 - 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 4596 file.exe 4596 file.exe 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4596 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4856 wrote to memory of 4596 4856 file.exe 101 PID 4856 wrote to memory of 4596 4856 file.exe 101 PID 4856 wrote to memory of 4596 4856 file.exe 101 PID 4856 wrote to memory of 4596 4856 file.exe 101 PID 4856 wrote to memory of 4596 4856 file.exe 101 PID 4856 wrote to memory of 4596 4856 file.exe 101
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:4856 -
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:4596
-