Analysis
- max time kernel
150s - max time network
43s - platform
windows7_x64 - resource
win7-20220812-en - resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system - submitted
13/01/2023, 12:31
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 283KB
- Sample230113-pp2qeagh39
- SHA256 ebc0efd310c2fe77b39a990c97c963bf0ec79772c5e5bca3caa465fd9043ac19
- MD5 76422d6db54fa697603e60a9716d0752
- SHA1 f7e8b0b83daa97201939b66e05188f114449bba3
- SHA512 0446d5abb615398f5cd72b15c862453c00039991edf24ef1a0eedc19d24cdc9c33bb7197fbe3b7bb95c043c37a594bd0f63aff0e44a63a378faed3664d4519d6
- SSDEEP 6144:J4f0DjLNuiWkDsYjPVXbc61BRoBSE3MjSlJZ9tzrSA3O6M:JY0Djxuir5TVrc61boDZ9P3Or
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 5 IoCs
resource yara_rule behavioral1/memory/576-54-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/576-55-0x0000000000402DD8-mapping.dmp family_smokeloader behavioral1/memory/1672-58-0x0000000000220000-0x0000000000229000-memory.dmp family_smokeloader behavioral1/memory/576-59-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/576-60-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1672 set thread context of 576 1672 file.exe 27 - 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 576 file.exe 576 file.exe 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 576 file.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1672 wrote to memory of 576 1672 file.exe 27 PID 1672 wrote to memory of 576 1672 file.exe 27 PID 1672 wrote to memory of 576 1672 file.exe 27 PID 1672 wrote to memory of 576 1672 file.exe 27 PID 1672 wrote to memory of 576 1672 file.exe 27 PID 1672 wrote to memory of 576 1672 file.exe 27 PID 1672 wrote to memory of 576 1672 file.exe 27
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:1672 -
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:576
-