Analysis
- max time kernel
170s - max time network
179s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
02/12/2022, 03:31
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20221111-en
windows7-x64
9 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 191KB
- Sample221202-d23yfsdc9s
- SHA256 0631aae7338f8be8a94eae6a9bf9ce8703fe8e1f7e554ec5f7dd98f01bc6c34e
- MD5 6a960001d4884c2f021dc10fe46603e2
- SHA1 7179b972435da3a0a2c01fe8a8855e07548b0a3b
- SHA512 e055a24d5daeafd008bef076227bcccfdc04d011c1c078c8a9e31af07d6f49e4a760fbcbf45aac73eae730a54eb5494780a0ecb60a4859521f6942a1ca930c00
- SSDEEP 3072:+g2ExtAS9HZFI5KLO+6DTIgha4MMiv/SRs9E3AZxpR/L8OY8+g2:L79HZN36g8xMJvph5+h
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/4112-133-0x00000000004E0000-0x00000000004E9000-memory.dmp family_smokeloader behavioral2/memory/2460-135-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/2460-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/2460-138-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4112 set thread context of 2460 4112 file.exe 78 - 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 2460 file.exe 2460 file.exe 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2016 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2460 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4112 wrote to memory of 2460 4112 file.exe 78 PID 4112 wrote to memory of 2460 4112 file.exe 78 PID 4112 wrote to memory of 2460 4112 file.exe 78 PID 4112 wrote to memory of 2460 4112 file.exe 78 PID 4112 wrote to memory of 2460 4112 file.exe 78 PID 4112 wrote to memory of 2460 4112 file.exe 78
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:4112 -
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:2460
-