Analysis
- max time kernel
150s - max time network
114s - platform
windows10-2004_x64 - resource
win10v2004-20220901-en - resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system - submitted
21/01/2023, 04:46
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20221111-en
windows7-x64
8 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 195KB
- Sample230121-fdzx1acd7v
- SHA256 2c3b67f661fc9ef1a6257da2e39f31bb69592d3abf5f97f6e7d5d7b07a28cf14
- MD5 7e43de3c9c334f9e77a6a48850c38552
- SHA1 c29eaada9fb19bfa4fd0a4a405d8f0bc9d5941e8
- SHA512 ac00f1f432e9833241eaf325e6916f18b65be662e2e1afdf05a1d9d8f131700452e6b40086974742a7f1859182294e95d3dc0cb525b7478e3bbf9af39d75f390
- SSDEEP 3072:aBN4X3QoQA2BtkBRLkQ3rP152dqthojOs+Q3Cb0jrTiWC:umvQA9RLfrPOdqzds+Qyb0nr
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/1952-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4572-135-0x0000000004790000-0x0000000004799000-memory.dmp family_smokeloader behavioral2/memory/1952-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/1952-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4572 set thread context of 1952 4572 file.exe 79 - 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 1952 file.exe 1952 file.exe 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found 3056 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3056 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1952 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4572 wrote to memory of 1952 4572 file.exe 79 PID 4572 wrote to memory of 1952 4572 file.exe 79 PID 4572 wrote to memory of 1952 4572 file.exe 79 PID 4572 wrote to memory of 1952 4572 file.exe 79 PID 4572 wrote to memory of 1952 4572 file.exe 79 PID 4572 wrote to memory of 1952 4572 file.exe 79
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:4572 -
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:1952
-