Analysis
- max time kernel
150s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
14/12/2022, 22:55
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 231KB
- Sample221214-2v4heaec41
- SHA256 d5097ab1c3a63233c777ab9b45f609eaeb0e439965df34ea6dae0a45eeb2c8ab
- MD5 c1b4bd3e9f9a8847ae1ba53f71839e9a
- SHA1 817d06e75187ae2242595cd42e1f3aa0b36c90bc
- SHA512 5dd10646f9976f148fb9e2646068a0901534cc54e63604e86ff3de122c6687a8fbf809dbceae2c49f9bf49566c160037f40ed4e001e8b6b9747729f39752b7d1
- SSDEEP 3072:uMoBh2qg0rLtF8XQT5XQcgfbVnoEbC5d5nx9pc5Z7uDZ:DoBh24rLQX0QcABbcdtxTJDZ
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/1268-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/1436-135-0x0000000000530000-0x0000000000539000-memory.dmp family_smokeloader behavioral2/memory/1268-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/1268-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1436 set thread context of 1268 1436 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 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 1268 file.exe 1268 file.exe 2132 Process not Found 2132 Process not Found 2132 Process not Found 2132 Process not Found 2132 Process not Found 2132 Process not Found 2132 Process not Found 2132 Process not Found 2132 Process not Found 2132 Process not Found 2132 Process not Found 2132 Process not Found 2132 Process not Found 2132 Process not Found 2132 Process not Found 2132 Process not Found 2132 Process not Found 2132 Process not Found 2132 Process not Found 2132 Process not Found 2132 Process not Found 2132 Process not Found 2132 Process not Found 2132 Process not Found 2132 Process not Found 2132 Process not Found 2132 Process not Found 2132 Process not Found 2132 Process not Found 2132 Process not Found 2132 Process not Found 2132 Process not Found 2132 Process not Found 2132 Process not Found 2132 Process not Found 2132 Process not Found 2132 Process not Found 2132 Process not Found 2132 Process not Found 2132 Process not Found 2132 Process not Found 2132 Process not Found 2132 Process not Found 2132 Process not Found 2132 Process not Found 2132 Process not Found 2132 Process not Found 2132 Process not Found 2132 Process not Found 2132 Process not Found 2132 Process not Found 2132 Process not Found 2132 Process not Found 2132 Process not Found 2132 Process not Found 2132 Process not Found 2132 Process not Found 2132 Process not Found 2132 Process not Found 2132 Process not Found 2132 Process not Found 2132 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2132 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1268 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1436 wrote to memory of 1268 1436 file.exe 80 PID 1436 wrote to memory of 1268 1436 file.exe 80 PID 1436 wrote to memory of 1268 1436 file.exe 80 PID 1436 wrote to memory of 1268 1436 file.exe 80 PID 1436 wrote to memory of 1268 1436 file.exe 80 PID 1436 wrote to memory of 1268 1436 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:1436 -
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:1268
-