Analysis
- max time kernel
150s - max time network
106s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
26/12/2022, 07:42
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 232KB
- Sample221226-jjnnpsce97
- SHA256 2519e188fd67a36fb6b0af3ad3b1f58dff67785a4376829ccca0c65af8ffd581
- MD5 d4ede5daca29728aaa1698d79af5fe49
- SHA1 cebcebdfdde036f290418b16f65ea7b84eee4b88
- SHA512 45dcb568508ca7d8f8d6b683e5917b5d3ba49911d065f6cf1032bd60dcdea8ddc61e733d875fd0ad07a902817b4e078018a067ccff843d317ecb3ae1cf2e78ed
- SSDEEP 3072:sE0JLRGU5PwPIS1kcyQQersZ4lU+QAQ7N0YlS1g/tK84vWLrcSb54VIcVTuh:oLRGGZS1jy5QaX7J0WtK8ZbIr
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/4932-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4972-135-0x00000000006F0000-0x00000000006F9000-memory.dmp family_smokeloader behavioral2/memory/4932-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4932-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4972 set thread context of 4932 4972 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 4932 file.exe 4932 file.exe 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found 2980 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2980 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4932 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4972 wrote to memory of 4932 4972 file.exe 81 PID 4972 wrote to memory of 4932 4972 file.exe 81 PID 4972 wrote to memory of 4932 4972 file.exe 81 PID 4972 wrote to memory of 4932 4972 file.exe 81 PID 4972 wrote to memory of 4932 4972 file.exe 81 PID 4972 wrote to memory of 4932 4972 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:4972 -
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:4932
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