Analysis
- max time kernel
150s - max time network
140s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
08/01/2023, 23:52
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 260KB
- Sample230108-3wpw3sfb23
- SHA256 89bcb07c45d0d1e2fb205d8fb09f7418eb61a8c34de574b27954b649f3ced2cb
- MD5 978e4cd65da4efbcd21df4b0179fc0be
- SHA1 fd556796b6d362a05709b9843943874acd3ace03
- SHA512 97797f8d46fb404c359789aedc0a8324d39f3afb64ea3d95bd26f25069292dc453987afe96c4d489fc0798b4d752139a8f4f03ae94989aa949db353c271ba611
- SSDEEP 3072:urXEK+F8LrBIRE7lDAD15sZCoJjYEN+JCiLnjIAUCrn99hZCRRzMuWZgd3n:WTLORE7lDAloJjPNmfLnj6Crpcqgd3
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/4996-133-0x0000000002E00000-0x0000000002E09000-memory.dmp family_smokeloader behavioral2/memory/2192-135-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/2192-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/2192-138-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4996 set thread context of 2192 4996 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 2192 file.exe 2192 file.exe 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2424 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2192 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4996 wrote to memory of 2192 4996 file.exe 81 PID 4996 wrote to memory of 2192 4996 file.exe 81 PID 4996 wrote to memory of 2192 4996 file.exe 81 PID 4996 wrote to memory of 2192 4996 file.exe 81 PID 4996 wrote to memory of 2192 4996 file.exe 81 PID 4996 wrote to memory of 2192 4996 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:4996 -
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:2192
-