Analysis
- max time kernel
152s - max time network
154s - platform
windows10-2004_x64 - resource
win10v2004-20220901-en - resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system - submitted
08/09/2022, 09:43
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
win10v2004-20220901-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target file.exe
- Size 289KB
- Sample220908-lpwydaebf4
- SHA256 1d99ddd268999f74dca4db86de66032f58dc3e4674f2af2b0ed0770eff565c11
- MD5 551267f434ceb0c65b68cdf48b0b62ba
- SHA1 21cfec30cbc94f8a171dc104db76879e39303bd2
- SHA512 af1f19fe3469a135e4a7d5afa49fdd6535e45a19ba94430a31feff6ae6df4e68a23f166c4c1210b078504477474adc294eabc530613b8bb9628ba87742b9c080
- SSDEEP 6144:6hnkGkuhS8LoODJC1DUSBfOf4Ge7ry/4c7TbRVdpoTfS:xGk58LoOEySBfO+W/4KLi
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/2320-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/1040-135-0x00000000001C0000-0x00000000001C9000-memory.dmp family_smokeloader behavioral2/memory/2320-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/2320-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1040 set thread context of 2320 1040 file.exe 87 - 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 2320 file.exe 2320 file.exe 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3036 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2320 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1040 wrote to memory of 2320 1040 file.exe 87 PID 1040 wrote to memory of 2320 1040 file.exe 87 PID 1040 wrote to memory of 2320 1040 file.exe 87 PID 1040 wrote to memory of 2320 1040 file.exe 87 PID 1040 wrote to memory of 2320 1040 file.exe 87 PID 1040 wrote to memory of 2320 1040 file.exe 87
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:1040 -
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:2320
-