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
11/01/2023, 06:21
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 327KB
- Sample230111-g4ce3aed5t
- SHA256 59fe62f6d877e89cebc4e082930f784e2d35c34f5ea32d05be13cd7bc832a948
- MD5 90bc872e0bcd91a95c80c15bb71dfbfd
- SHA1 5697ce60d14fcf620e0ce20ac1830c9a37414055
- SHA512 1aa76b4c5e106dfcd9b1aa6baaca5f4b6a51228eb3894fd6db9d9f8447b3e9347431e83ed66bd3c2455da012728aa2111f66e360cd1738518dbaf8839f6ec9ed
- SSDEEP 6144:lP2Vt9grkH0nCQG1FBTSVyyDqCFs8VG9:lu/HH0nCDepOCrG
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/2220-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/5000-135-0x00000000007F0000-0x00000000007F9000-memory.dmp family_smokeloader behavioral2/memory/2220-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/2220-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 5000 set thread context of 2220 5000 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 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 2220 file.exe 2220 file.exe 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 760 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2220 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 5000 wrote to memory of 2220 5000 file.exe 82 PID 5000 wrote to memory of 2220 5000 file.exe 82 PID 5000 wrote to memory of 2220 5000 file.exe 82 PID 5000 wrote to memory of 2220 5000 file.exe 82 PID 5000 wrote to memory of 2220 5000 file.exe 82 PID 5000 wrote to memory of 2220 5000 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:5000 -
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:2220
-