Analysis
- max time kernel
151s - max time network
41s - platform
windows7_x64 - resource
win7-20220812-en - resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system - submitted
05/01/2023, 17:16
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
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target file.exe
- Size 213KB
- Sample230105-vs5t5acf62
- SHA256 f04471bdea8f1baa0d4d73ab64e4431333f3254091fe48188e9a149fedaa9037
- MD5 9a3fe2364f9f8e6e9afff81422368665
- SHA1 f0cce4d07be68c40b4be9634cfb6fab341589ad2
- SHA512 b97ab9d8f7c15bef3e1762acdc562d803b7d0c868a6a4e36435aacd68ff67737c008e31848f3b0553d77077dc3da5864b73b69bf4dd23ade1cf8882d001c9993
- SSDEEP 3072:wKaXhtzZYLmNJ/ycL8iOP5fP9KrCkoBlTW/tmpd:L6SLmNJL8io1/G/sd
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 5 IoCs
resource yara_rule behavioral1/memory/1856-55-0x0000000000402DD8-mapping.dmp family_smokeloader behavioral1/memory/1492-58-0x0000000000220000-0x0000000000229000-memory.dmp family_smokeloader behavioral1/memory/1856-54-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1856-59-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1856-60-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1492 set thread context of 1856 1492 file.exe 26 - 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 1856 file.exe 1856 file.exe 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1856 file.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1492 wrote to memory of 1856 1492 file.exe 26 PID 1492 wrote to memory of 1856 1492 file.exe 26 PID 1492 wrote to memory of 1856 1492 file.exe 26 PID 1492 wrote to memory of 1856 1492 file.exe 26 PID 1492 wrote to memory of 1856 1492 file.exe 26 PID 1492 wrote to memory of 1856 1492 file.exe 26 PID 1492 wrote to memory of 1856 1492 file.exe 26
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:1492 -
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:1856
-