Analysis
- max time kernel
206s - max time network
31s - platform
windows7_x64 - resource
win7-20221111-en - resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system - submitted
03/12/2022, 01:58
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
10 signatures
150 seconds
General
- Target file.exe
- Size 351KB
- Sample221203-cdtt7sec85
- SHA256 02a0c8d7962366d34a87f84ff77bcf54b25fe2c67a9494ca42ade273dc484655
- MD5 2692406483e2a3e9d220e4e503a997b8
- SHA1 fc3a80e55f81dce3c8b3a5151023e8d70d0dbf99
- SHA512 d3c8e5c503e6bed7cbd6474359ae41588127dd2f0ef0245c90962e974e4f54d539af9732901f3ed731c8c9d89f71a8805a924e5304854f9f4525d59efe133e18
- SSDEEP 6144:6x5IStLC8eLccRurdOKSSQMHtLbNjuRrkjK:6fbtkLcCKtQMHfiRrs
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 5 IoCs
resource yara_rule behavioral1/memory/1968-54-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1968-55-0x0000000000402DD8-mapping.dmp family_smokeloader behavioral1/memory/2008-58-0x0000000000020000-0x0000000000029000-memory.dmp family_smokeloader behavioral1/memory/1968-59-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1968-60-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2008 set thread context of 1968 2008 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 1968 file.exe 1968 file.exe 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1212 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1968 file.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeShutdownPrivilege 1212 Process not Found - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2008 wrote to memory of 1968 2008 file.exe 27 PID 2008 wrote to memory of 1968 2008 file.exe 27 PID 2008 wrote to memory of 1968 2008 file.exe 27 PID 2008 wrote to memory of 1968 2008 file.exe 27 PID 2008 wrote to memory of 1968 2008 file.exe 27 PID 2008 wrote to memory of 1968 2008 file.exe 27 PID 2008 wrote to memory of 1968 2008 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:2008 -
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:1968
-