Analysis
- max time kernel
151s - 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
16/12/2022, 10:31
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 227KB
- Sample221216-mkc55see79
- SHA256 e62669a342d6ff770736296f60ca03957ce4dcf63aa1b98829e9f62b21b22842
- MD5 546f5c81ab3a6e689a400b4e8042da41
- SHA1 09a7be32eef0272ac9e40bae7452603ed7e75022
- SHA512 dd717877cf26c4be7b1eb3f1cb90d600f23942c6a418a2775828e6026e8a5760d1c447f076f84324919a52d9abb9d7b5398e789185b7e0cad8eb36d8686b6431
- SSDEEP 3072:8sGkEL9FLyrUDHBcRb5sbQUtkuAemXdZDn2p1x/LQ2mppGT8pGhQ2HtWqMPDcfuh:nGkuLyrUrpQEgn2pzcta8qMrc
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/4468-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/1932-135-0x00000000001F0000-0x00000000001F9000-memory.dmp family_smokeloader behavioral2/memory/4468-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4468-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1932 set thread context of 4468 1932 file.exe 81 - 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 4468 file.exe 4468 file.exe 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2220 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4468 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1932 wrote to memory of 4468 1932 file.exe 81 PID 1932 wrote to memory of 4468 1932 file.exe 81 PID 1932 wrote to memory of 4468 1932 file.exe 81 PID 1932 wrote to memory of 4468 1932 file.exe 81 PID 1932 wrote to memory of 4468 1932 file.exe 81 PID 1932 wrote to memory of 4468 1932 file.exe 81
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:1932 -
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:4468
-