Analysis
- max time kernel
150s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
20/12/2022, 11:34
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20221111-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20221111-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target file.exe
- Size 218KB
- Sample221220-npfbqsce61
- SHA256 75a93b3edf837655eef08d8f4e84e1944a70f72f7d4099dceb5ebb75e53f1c25
- MD5 71038572fcd9d5bae308bd1343fa828c
- SHA1 26bb906c3670424d902414ea30ff4e832e260e30
- SHA512 f21d66b2ff27862a3e6982146d6f0536355e23bb8c98baa11b4efce928386530b4406f8d5de5645addd40d4e7a32c5a6f5c861012c0ebbcad127a5fbd68c0b41
- SSDEEP 3072:pdN0PLBj5qHHRbRB9ZLPJt0/dZ8ACCw7b/byxkNHCDml:p/0PLTq9hPt0lZ8xCgDCa
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/4340-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/1508-135-0x00000000005F0000-0x00000000005F9000-memory.dmp family_smokeloader behavioral2/memory/4340-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4340-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1508 set thread context of 4340 1508 file.exe 83 - 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 4340 file.exe 4340 file.exe 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found 1056 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1056 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4340 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1508 wrote to memory of 4340 1508 file.exe 83 PID 1508 wrote to memory of 4340 1508 file.exe 83 PID 1508 wrote to memory of 4340 1508 file.exe 83 PID 1508 wrote to memory of 4340 1508 file.exe 83 PID 1508 wrote to memory of 4340 1508 file.exe 83 PID 1508 wrote to memory of 4340 1508 file.exe 83
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:1508 -
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:4340
-