Analysis
- max time kernel
151s - max time network
147s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
09/01/2023, 01:56
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20221111-en
windows7-x64
10 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 260KB
- Sample230109-ccn8bsbb59
- SHA256 3f1267bfd1c3bec6b2223cbd715c465bea9c8bd4da8f552cebca559c71470351
- MD5 83d615014b4cc01e691ae61dbbc9fbcd
- SHA1 bf863d1f0d4fe0148b9edeff74b2821bf850f4ca
- SHA512 840130470437a1b37ca66d29620726c010af3104919861ee9221f753f2dfbe6b98068bedf2e59063d38936de86b917ac194eb04e86aa0ae3cf18dc96c1dcb37f
- SSDEEP 3072:W2XEWqUuvL17VDduBGl15GOftTxZQ8jCR+b/zqkAcF4pF9hZCRRzMuWZgd3n:/aLfDduBGMYTzjvb0cqgd3
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/4280-134-0x00000000048E0000-0x00000000048E9000-memory.dmp family_smokeloader behavioral2/memory/2616-135-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/2616-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/2616-138-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4280 set thread context of 2616 4280 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 enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2616 file.exe 2616 file.exe 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found 1108 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1108 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2616 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4280 wrote to memory of 2616 4280 file.exe 82 PID 4280 wrote to memory of 2616 4280 file.exe 82 PID 4280 wrote to memory of 2616 4280 file.exe 82 PID 4280 wrote to memory of 2616 4280 file.exe 82 PID 4280 wrote to memory of 2616 4280 file.exe 82 PID 4280 wrote to memory of 2616 4280 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:4280 -
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:2616
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