Analysis
- max time kernel
150s - max time network
148s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
03/01/2023, 07:44
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220812-en
windows7-x64
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20221111-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target file.exe
- Size 334KB
- Sample230103-jktaksag57
- SHA256 d75a9020eaed16f9b4e4326ff54dbdf90cc66656a87884e5fab69445ff1c14be
- MD5 a5f9d6be684594deff49c5902ecd5db7
- SHA1 e2ce490c684493056522f415f67d6ad22b8f4bb8
- SHA512 eb1f9c3761b0221fded2b694dd3af75d6ba3619dc33a3e638a080bd1905cb647d9a1ee723dcf64a0176478fec727ad92ac0e355215c1771f0124dc7de27e161a
- SSDEEP 6144:G3ML36blV9KhKwM36I/h0ioR0wjAWTM4xVvkHb+ewx:oMT6XGKw0poHXTMENi+r
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/3380-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/3828-135-0x00000000006B0000-0x00000000006B9000-memory.dmp family_smokeloader behavioral2/memory/3380-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/3380-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3828 set thread context of 3380 3828 file.exe 85 - Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3380 file.exe 3380 file.exe 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found 2468 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2468 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 3380 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3828 wrote to memory of 3380 3828 file.exe 85 PID 3828 wrote to memory of 3380 3828 file.exe 85 PID 3828 wrote to memory of 3380 3828 file.exe 85 PID 3828 wrote to memory of 3380 3828 file.exe 85 PID 3828 wrote to memory of 3380 3828 file.exe 85 PID 3828 wrote to memory of 3380 3828 file.exe 85
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:3828 -
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:3380
-