Analysis
- max time kernel
150s - max time network
126s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
31/12/2022, 17:05
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 256KB
- Sample221231-vlttaaaa48
- SHA256 d967096daa4e7a0fbd4194e100da508b804cb7a519e6218740e81010a508ae67
- MD5 8075448a59244cae7460d5e77a94da8d
- SHA1 59e5b681a75e6976f0a9b2ea982bf91578c57ab4
- SHA512 c53a6a0730c17e28bfe79c4b8f9bdce8c0a93599b8d98606553b8cccdcc61fb82b282ba5b7f6c917796f025c9c497bf546d134ba09704df79f7568dcc0ccd8f8
- SSDEEP 3072:9T7ng+LjEL2d1PsGRgbWPCiwfNYdinKXfs5mrVmqsW7fboI27hZY:hbULSPslliCUXHM47f4ZY
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/2060-134-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4940-135-0x0000000000510000-0x0000000000519000-memory.dmp family_smokeloader behavioral2/memory/2060-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/2060-138-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4940 set thread context of 2060 4940 file.exe 82 - 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 2060 file.exe 2060 file.exe 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1124 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2060 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4940 wrote to memory of 2060 4940 file.exe 82 PID 4940 wrote to memory of 2060 4940 file.exe 82 PID 4940 wrote to memory of 2060 4940 file.exe 82 PID 4940 wrote to memory of 2060 4940 file.exe 82 PID 4940 wrote to memory of 2060 4940 file.exe 82 PID 4940 wrote to memory of 2060 4940 file.exe 82
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:4940 -
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:2060
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