Analysis
- max time kernel
162s - max time network
156s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
29/12/2022, 06:32
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220901-en
windows7-x64
8 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 301KB
- Sample221229-halx3sce36
- SHA256 ab5a18e652a314ff9cf6b92a1833955e9b56e6077f25100da3199e795e35d2fc
- MD5 9c08b3313615961093afe3c90a2f1f5a
- SHA1 b993fe3063a85cddcc4a2f8640ba5cd46ef809b3
- SHA512 65d1cb3327b8b66218c3a7bb246bbc6646aead6e00590e98b13efd5f6f46f19a15d86af7c488a0de30905a46596380504657889320c07313fbac3f43d743fbb4
- SSDEEP 6144:VUUT98LZFIcLtrPMOWfy9w7n1HbwZoV9J:9WzIeQ8w7
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/1796-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4204-135-0x0000000000590000-0x0000000000599000-memory.dmp family_smokeloader behavioral2/memory/1796-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/1796-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4204 set thread context of 1796 4204 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 1796 file.exe 1796 file.exe 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2616 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1796 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4204 wrote to memory of 1796 4204 file.exe 80 PID 4204 wrote to memory of 1796 4204 file.exe 80 PID 4204 wrote to memory of 1796 4204 file.exe 80 PID 4204 wrote to memory of 1796 4204 file.exe 80 PID 4204 wrote to memory of 1796 4204 file.exe 80 PID 4204 wrote to memory of 1796 4204 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:4204 -
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:1796
-