Analysis
- max time kernel
151s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
03/12/2022, 08:13
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
8 signatures
150 seconds
General
- Target file.exe
- Size 351KB
- Sample221203-j4earsbe2x
- SHA256 178c8bded80a5d73ee253905e40ca0572072aa16403e59aeaac19d0aed4dd7d2
- MD5 1d0528e6f1058b198551b1cd7bf5d28f
- SHA1 87e13dc318be819e04e59b5740a0a89d082ddf0f
- SHA512 89ce6406e3bc810362490c9576a4e7c7bbead97b8028569be32f8a2ecf4316b642b230728eb3bd1cd4e2cdb2357f48837b55914d7ff49cead2ace8deb29e8e40
- SSDEEP 6144:h6zgBYbaHYhZxJZ3tnvdBwNUeKqVRnMW2RqnoqUExYi:h6AYbaHe9v+9MW3odExY
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/2592-133-0x0000000000030000-0x0000000000039000-memory.dmp family_smokeloader behavioral2/memory/924-135-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/924-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/924-138-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2592 set thread context of 924 2592 file.exe 79 - 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 924 file.exe 924 file.exe 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2152 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 924 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2592 wrote to memory of 924 2592 file.exe 79 PID 2592 wrote to memory of 924 2592 file.exe 79 PID 2592 wrote to memory of 924 2592 file.exe 79 PID 2592 wrote to memory of 924 2592 file.exe 79 PID 2592 wrote to memory of 924 2592 file.exe 79 PID 2592 wrote to memory of 924 2592 file.exe 79
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:2592 -
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:924
-