Analysis
- max time kernel
151s - max time network
113s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
14/02/2023, 11:12
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 178KB
- Sample230214-nat7cach48
- SHA256 6e2f7726ce14f9bd1d6d803e1ebea5e63df1c270c67d4e4812bd6ae6cad16ca8
- MD5 ab2c6b2cee949fb8dbed37b50e6da8fa
- SHA1 eb77b7f60eb906206485f75a44075472cfc73e30
- SHA512 77f443d90acde722f57796bf5c5e82cf2d803c724538835a2239e9c69a0f491d4bc265e58ea894cd80e2b8021a0f4b60ee97f5fd56866157d944b1469fded088
- SSDEEP 3072:2o53LZLT5nnKQlvXl7o+BniPr9xTbFTC5yltIOS+3Q2cfOa:1VLZLNnKQlflosij9xTZTRXzSMQhF
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/1508-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/792-135-0x0000000000AB0000-0x0000000000AB9000-memory.dmp family_smokeloader behavioral2/memory/1508-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/1508-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 792 set thread context of 1508 792 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 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 1508 file.exe 1508 file.exe 2888 Process not Found 2888 Process not Found 2888 Process not Found 2888 Process not Found 2888 Process not Found 2888 Process not Found 2888 Process not Found 2888 Process not Found 2888 Process not Found 2888 Process not Found 2888 Process not Found 2888 Process not Found 2888 Process not Found 2888 Process not Found 2888 Process not Found 2888 Process not Found 2888 Process not Found 2888 Process not Found 2888 Process not Found 2888 Process not Found 2888 Process not Found 2888 Process not Found 2888 Process not Found 2888 Process not Found 2888 Process not Found 2888 Process not Found 2888 Process not Found 2888 Process not Found 2888 Process not Found 2888 Process not Found 2888 Process not Found 2888 Process not Found 2888 Process not Found 2888 Process not Found 2888 Process not Found 2888 Process not Found 2888 Process not Found 2888 Process not Found 2888 Process not Found 2888 Process not Found 2888 Process not Found 2888 Process not Found 2888 Process not Found 2888 Process not Found 2888 Process not Found 2888 Process not Found 2888 Process not Found 2888 Process not Found 2888 Process not Found 2888 Process not Found 2888 Process not Found 2888 Process not Found 2888 Process not Found 2888 Process not Found 2888 Process not Found 2888 Process not Found 2888 Process not Found 2888 Process not Found 2888 Process not Found 2888 Process not Found 2888 Process not Found 2888 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2888 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1508 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 792 wrote to memory of 1508 792 file.exe 80 PID 792 wrote to memory of 1508 792 file.exe 80 PID 792 wrote to memory of 1508 792 file.exe 80 PID 792 wrote to memory of 1508 792 file.exe 80 PID 792 wrote to memory of 1508 792 file.exe 80 PID 792 wrote to memory of 1508 792 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:792 -
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:1508
-