Analysis
- max time kernel
188s - max time network
31s - platform
windows7_x64 - resource
win7-20221111-en - resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system - submitted
05/12/2022, 19:57
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20221111-en
windows7-x64
9 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 272KB
- Sample221205-yn9jasbc38
- SHA256 00281699c6641df80494b0fdbf099fb464ebdc1db032c66b93e85f17430648a7
- MD5 78fa4adb07d8818e8c44d6b733962587
- SHA1 3543180496a06f28f8bb6ff5ff82b790e11cca9d
- SHA512 bb03e57f3098517196b1a3d99f5622dbd76232bf1a350179d48cf1385a3d96f35574236a381f3d56edfdf05a2952973b1fb3756c8586c9e6e1d646df3e820f13
- SSDEEP 3072:1B2XV4t0dYZdRd8KXYhWv5O3WpgQOZcEzUfhmTdE+VceeGiVRvJTcpBPboYgV2q6:1BeRKXYSocEzUfhmT2jeeGIDc3PbEVS
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 5 IoCs
resource yara_rule behavioral1/memory/1348-55-0x0000000000402DD8-mapping.dmp family_smokeloader behavioral1/memory/1348-54-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1776-58-0x0000000000220000-0x0000000000229000-memory.dmp family_smokeloader behavioral1/memory/1348-59-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1348-60-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1776 set thread context of 1348 1776 file.exe 28 - 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 1348 file.exe 1348 file.exe 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1336 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1348 file.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeShutdownPrivilege 1336 Process not Found - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1776 wrote to memory of 1348 1776 file.exe 28 PID 1776 wrote to memory of 1348 1776 file.exe 28 PID 1776 wrote to memory of 1348 1776 file.exe 28 PID 1776 wrote to memory of 1348 1776 file.exe 28 PID 1776 wrote to memory of 1348 1776 file.exe 28 PID 1776 wrote to memory of 1348 1776 file.exe 28 PID 1776 wrote to memory of 1348 1776 file.exe 28
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:1776 -
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:1348
-