Analysis
- max time kernel
151s - max time network
51s - platform
windows7_x64 - resource
win7-20220812-en - resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system - submitted
01/09/2022, 09:21
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 277KB
- Sample220901-lbbqaaddg8
- SHA256 ba4a68ee31a36145da3762f43ce530068e4debc7e69c61ca647f015ec040c7fb
- MD5 669bfd62687954669c8e26c92743f0ed
- SHA1 a3d643dc70d5582d6fb8c3528d48356a76496ba7
- SHA512 4c0792e3a49bb267ff96d056c4073ae164d9aef0d76019d3711fb37fe66d6f0d1ad3029d7991daceb556abfe416158b5aeca8c9273b90bff5702a42896a6f577
- SSDEEP 3072:xtc7XJgB3LkbPs2oAlkAveRMkHrVD4uvi4VgaU7O:x9LkbPnCRMCr2Qi4VK
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 5 IoCs
resource yara_rule behavioral1/memory/1992-55-0x0000000000402DD8-mapping.dmp family_smokeloader behavioral1/memory/1992-54-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1740-58-0x0000000000220000-0x0000000000229000-memory.dmp family_smokeloader behavioral1/memory/1992-59-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1992-60-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1740 set thread context of 1992 1740 file.exe 27 - 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 1992 file.exe 1992 file.exe 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1992 file.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1740 wrote to memory of 1992 1740 file.exe 27 PID 1740 wrote to memory of 1992 1740 file.exe 27 PID 1740 wrote to memory of 1992 1740 file.exe 27 PID 1740 wrote to memory of 1992 1740 file.exe 27 PID 1740 wrote to memory of 1992 1740 file.exe 27 PID 1740 wrote to memory of 1992 1740 file.exe 27 PID 1740 wrote to memory of 1992 1740 file.exe 27
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:1740 -
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:1992
-