Analysis
- max time kernel
150s - max time network
123s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
07/01/2023, 01:01
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 300KB
- Sample230107-bc8rascd53
- SHA256 1913b96e75b2b53af36bb376cf312384d3a15e164e93aa50c4584abb7abf05ba
- MD5 47b22cff9383ba3c7f18d0c85c2ee638
- SHA1 84cd0587d37782cc7e8b45a7bdac4d2f1e918bc1
- SHA512 94e22dfa493f35631dbbc1f07649ab5b60f2acb16003aeef7e6a76bc46e1b5d3108502eeb8ddb676da9d4e97349c6c5ed87dc036484835b801128a2180a0849d
- SSDEEP 6144:DZLhQWcctYMyTrjJ7re1GbM5Af+YYy0BJ:DZFQWYMyT/Jm1G4Af+YYyS
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/4656-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/2220-135-0x0000000002C40000-0x0000000002C49000-memory.dmp family_smokeloader behavioral2/memory/4656-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4656-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2220 set thread context of 4656 2220 file.exe 80 - 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 4656 file.exe 4656 file.exe 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 700 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4656 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2220 wrote to memory of 4656 2220 file.exe 80 PID 2220 wrote to memory of 4656 2220 file.exe 80 PID 2220 wrote to memory of 4656 2220 file.exe 80 PID 2220 wrote to memory of 4656 2220 file.exe 80 PID 2220 wrote to memory of 4656 2220 file.exe 80 PID 2220 wrote to memory of 4656 2220 file.exe 80
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:2220 -
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:4656
-