Analysis
- max time kernel
150s - max time network
31s - platform
windows7_x64 - resource
win7-20221111-en - resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system - submitted
16/12/2022, 16:09
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
win10v2004-20220901-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target file.exe
- Size 214KB
- Sample221216-tlr41sfa45
- SHA256 4dc101ad2ec4b54ee898bbc532cd8858641b4ec8a03afbeea80b90421025428f
- MD5 3f882a5db6956c55b9d53655b54c7a0c
- SHA1 28e19c4bcf7ee7aa59a5fa028d6233bd8a06af90
- SHA512 d787997ca46f4d00f782f9baf0cd799288481c8d89289802ec67dbc01edd5042d44993b5472281e3a344c80f8834e6a013ac898edcf9a5dd494e6d208181583e
- SSDEEP 3072:/KUzwL7+r/0R7I3ySK7giFiNdYjXbBmLsz0j40zwUzQRKF+:yJLqrvjbiPDbBmgzM40M2b
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 5 IoCs
resource yara_rule behavioral1/memory/1236-55-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1236-56-0x0000000000402DD8-mapping.dmp family_smokeloader behavioral1/memory/1780-59-0x0000000000220000-0x0000000000229000-memory.dmp family_smokeloader behavioral1/memory/1236-60-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1236-61-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1780 set thread context of 1236 1780 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 1236 file.exe 1236 file.exe 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1220 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1236 file.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1780 wrote to memory of 1236 1780 file.exe 28 PID 1780 wrote to memory of 1236 1780 file.exe 28 PID 1780 wrote to memory of 1236 1780 file.exe 28 PID 1780 wrote to memory of 1236 1780 file.exe 28 PID 1780 wrote to memory of 1236 1780 file.exe 28 PID 1780 wrote to memory of 1236 1780 file.exe 28 PID 1780 wrote to memory of 1236 1780 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:1780 -
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:1236
-