Analysis
- max time kernel
150s - max time network
127s - platform
windows10-2004_x64 - resource
win10v2004-20220901-en - resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system - submitted
30/12/2022, 13:21
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
win10v2004-20220901-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target file.exe
- Size 251KB
- Sample221230-qlnj2sff52
- SHA256 d4e3caa22fa08c38bb831c7a5e3b3c6a33bd59f570ba7c7bc0e47617dc07bf44
- MD5 9b871e5524e2e2ff6792a0c62bc88477
- SHA1 7fa6da356234efe5c2f9354b5ec042cd51839b32
- SHA512 0fdd9d55f29ef74161fc74bf09a4f1ac6510ccae1f515b368acec6ccc29fa0cce311cda3aa5918c460c41c644dac801f39c45ac329e609fdb8aaa596e3bfa795
- SSDEEP 3072:cp3IWCLNf7R/WxC87DxJhiWHpVBPRI7puLU8y5/LU8y5/B6xuqqb53y1teM:9WCLNfo1jZpV6uo5oGx3E5
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/2576-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/3436-135-0x0000000002050000-0x0000000002059000-memory.dmp family_smokeloader behavioral2/memory/2576-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/2576-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3436 set thread context of 2576 3436 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 2576 file.exe 2576 file.exe 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3048 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2576 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3436 wrote to memory of 2576 3436 file.exe 80 PID 3436 wrote to memory of 2576 3436 file.exe 80 PID 3436 wrote to memory of 2576 3436 file.exe 80 PID 3436 wrote to memory of 2576 3436 file.exe 80 PID 3436 wrote to memory of 2576 3436 file.exe 80 PID 3436 wrote to memory of 2576 3436 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:3436 -
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:2576
-