Analysis
- max time kernel
151s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
12/02/2023, 16:22
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
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target file.exe
- Size 187KB
- Sample230212-tt83hafa98
- SHA256 e58277ef012927b9d2edceb826ec6150a81ec6ddc91ef8c82761f38102727c49
- MD5 9a3375c7b1bf70cf646e5bffe22ae974
- SHA1 aa56b0b7ffa8968b9a6aa762365d673d27db8580
- SHA512 99ee75ce53e96e8fd94caef0806d00402dbb4a27ea655f51988b8982dee5772c9f8b315c92c96a3cfc639fa4f1646bbf280626f6023c0620cf320d7a08b4ff38
- SSDEEP 3072:A733+rGt5iRkedWWOHFJ4HkEtkeYoJSZGT20oLxy2jiSqE:CnLCRxHOHFJ4q+SZE3oLg2GSq
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/872-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/1968-135-0x00000000009E0000-0x00000000009E9000-memory.dmp family_smokeloader behavioral2/memory/872-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/872-138-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1968 set thread context of 872 1968 file.exe 81 - 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 872 file.exe 872 file.exe 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 376 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 872 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1968 wrote to memory of 872 1968 file.exe 81 PID 1968 wrote to memory of 872 1968 file.exe 81 PID 1968 wrote to memory of 872 1968 file.exe 81 PID 1968 wrote to memory of 872 1968 file.exe 81 PID 1968 wrote to memory of 872 1968 file.exe 81 PID 1968 wrote to memory of 872 1968 file.exe 81
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:1968 -
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:872
-