Analysis
- max time kernel
150s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20220901-en - resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system - submitted
11/01/2023, 08:05
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 328KB
- Sample230111-jyt42abe77
- SHA256 76eacb355d5de75f1ff4767f3fd7853f8d2abd73beebc1883570522b39af9938
- MD5 12dd9bbedb0910bd3eabf68677c574ea
- SHA1 bf95d9363e6e3554824d59f933a2af7dbc7285d8
- SHA512 bb67d5d61d795554e055e47fe15412eb8d4fe115a5371973d1bdad4f2d1030d1c3a445f8b31fb57dbc9df07457b08656264ae0934a7360aaeec303b20d4e486b
- SSDEEP 6144:/qGx/VE/HEoD5EpuxL4Ol8yDqCFPAGjdHGsx:/rpmHEgCpKL7fOClACdHGs
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/3672-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/5060-135-0x0000000000610000-0x0000000000619000-memory.dmp family_smokeloader behavioral2/memory/3672-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/3672-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 5060 set thread context of 3672 5060 file.exe 81 - 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 3672 file.exe 3672 file.exe 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3092 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 3672 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 5060 wrote to memory of 3672 5060 file.exe 81 PID 5060 wrote to memory of 3672 5060 file.exe 81 PID 5060 wrote to memory of 3672 5060 file.exe 81 PID 5060 wrote to memory of 3672 5060 file.exe 81 PID 5060 wrote to memory of 3672 5060 file.exe 81 PID 5060 wrote to memory of 3672 5060 file.exe 81
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:5060 -
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:3672
-