Analysis
- max time kernel
150s - max time network
50s - platform
windows7_x64 - resource
win7-20220901-en - resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system - submitted
26/01/2023, 10:48
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220901-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target file.exe
- Size 201KB
- Sample230126-mv5cdadd49
- SHA256 767d0097eaf452e9bf99a4428acecd1180f14889474cc8fe40073f4d61e06fc5
- MD5 7ed80923ee2020d232526864a240eabc
- SHA1 8b8199039ae47f78ef8ec36c83f161b4f77711a5
- SHA512 9db3e615a9687cc8b9ae4f9b8319d0e8e1a4d47ec93cc9ae3588fcb01d28d7e8e489d5c6f3c7ea41c6cc577615402b2ad6dfaed8b3419d4ac1efad63ad66c87d
- SSDEEP 3072:DBN2W/UFqLf0n+4Ai59ycIXenJzKv7Fj8bqIR0pMeyn6HQ/3Yqbq:NzLt4AoJ+v7FvA0e6HQJm
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 5 IoCs
resource yara_rule behavioral1/memory/1108-55-0x0000000000402DD8-mapping.dmp family_smokeloader behavioral1/memory/1108-54-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/828-58-0x0000000000220000-0x0000000000229000-memory.dmp family_smokeloader behavioral1/memory/1108-59-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1108-60-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 828 set thread context of 1108 828 file.exe 27 - 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 1108 file.exe 1108 file.exe 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1400 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1108 file.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 828 wrote to memory of 1108 828 file.exe 27 PID 828 wrote to memory of 1108 828 file.exe 27 PID 828 wrote to memory of 1108 828 file.exe 27 PID 828 wrote to memory of 1108 828 file.exe 27 PID 828 wrote to memory of 1108 828 file.exe 27 PID 828 wrote to memory of 1108 828 file.exe 27 PID 828 wrote to memory of 1108 828 file.exe 27
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:828 -
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:1108
-