Analysis
- max time kernel
159s - max time network
145s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
19/01/2023, 14:26
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 175KB
- Sample230119-rrve8agb98
- SHA256 31bb59cbddf3d8ee2b6237d30180c4f457bef9e499389c4c8f405ac0b7da0ccb
- MD5 4dc38bf9040a76450d202fc530401094
- SHA1 856863508f03924c3f2fa4a6c87fa4f24db2a2bf
- SHA512 2ff1cdcfaff47e9aea9d8b4fbc7ee9e2f947e1d5454645f9f4d1b14c09e47dc3eae1c06ed4791099d25a17d2cf68f1a66f443b896d7db2f256e177ce1f1cfce8
- SSDEEP 3072:rXEANa1RWMnKVGGZol5zojY+10n8bpJ13GqkDVrPuf0:DRadiZo7oc+K8bp32qqrmf
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/4112-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4904-135-0x0000000002C50000-0x0000000002C59000-memory.dmp family_smokeloader behavioral2/memory/4112-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4112-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4904 set thread context of 4112 4904 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 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 4112 file.exe 4112 file.exe 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found 764 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 764 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4112 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4904 wrote to memory of 4112 4904 file.exe 81 PID 4904 wrote to memory of 4112 4904 file.exe 81 PID 4904 wrote to memory of 4112 4904 file.exe 81 PID 4904 wrote to memory of 4112 4904 file.exe 81 PID 4904 wrote to memory of 4112 4904 file.exe 81 PID 4904 wrote to memory of 4112 4904 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:4904 -
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:4112
-