Analysis
- max time kernel
150s - max time network
140s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
03/01/2023, 14:11
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20221111-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 321KB
- Sample230103-rg93xsbf39
- SHA256 df7c3c9d82d3c84a3878f5bc3bb41bdb334ff09ad31f3ca907811539722d3518
- MD5 000b2c9cb6765183451ae41b3c70f19e
- SHA1 9d4158412e02419f991dfe311d87df2987741d2d
- SHA512 2cad5bb7f0f5d4e5ab5d9ffe775226f366a0597793f62523c4558d3f541b3bc291a0f7af40bb863118b2e9509380899a53dcaf73b366e635efd7db298b3393c8
- SSDEEP 6144:HLRmi19xz1pD53xRXcjqrgs1FjAXTM4xVe+ew:HFmi19xzt3ns2rpFWTMEQ+
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/2340-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/5012-135-0x0000000002FA0000-0x0000000002FA9000-memory.dmp family_smokeloader behavioral2/memory/2340-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/2340-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 5012 set thread context of 2340 5012 file.exe 83 - 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 2340 file.exe 2340 file.exe 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 760 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2340 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 5012 wrote to memory of 2340 5012 file.exe 83 PID 5012 wrote to memory of 2340 5012 file.exe 83 PID 5012 wrote to memory of 2340 5012 file.exe 83 PID 5012 wrote to memory of 2340 5012 file.exe 83 PID 5012 wrote to memory of 2340 5012 file.exe 83 PID 5012 wrote to memory of 2340 5012 file.exe 83
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:5012 -
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:2340
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