Analysis
- max time kernel
150s - max time network
139s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
29/12/2022, 17:37
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220812-en
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20220812-en
8 signatures
150 seconds
General
- Target file.exe
- Size 312KB
- Sample221229-v645radf35
- SHA256 90679b4a0cb26f6038a05cfd8270d46a5b3c4995bbaf59efd6d3e5de4fdc29e5
- MD5 e4f0b0d9139ec1eb82dc9cc1e20af7b4
- SHA1 26a3a97f08ad1f75e423c9e5065cc8f1144ba84f
- SHA512 3adec6e9cf5c7ac60f85adb18077ffa1639caf978bfa50ec83629b81984416b723c4e0b5f7982e3e1ee456b8c1496fab737c699a72f188e6c50d43ea199fba8b
- SSDEEP 3072:Q3DLOYedv5MoJptICka6L1qZDUs6G+gSENrOKbIxe01Cz5Mqdqujodd/Jc5793Be:MLOYeMoLtBD6G+3yIxZ1WqqdS09R
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/3208-133-0x0000000002050000-0x0000000002059000-memory.dmp family_smokeloader behavioral2/memory/2696-135-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/2696-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/2696-138-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3208 set thread context of 2696 3208 file.exe 83 - 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 2696 file.exe 2696 file.exe 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3080 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2696 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3208 wrote to memory of 2696 3208 file.exe 83 PID 3208 wrote to memory of 2696 3208 file.exe 83 PID 3208 wrote to memory of 2696 3208 file.exe 83 PID 3208 wrote to memory of 2696 3208 file.exe 83 PID 3208 wrote to memory of 2696 3208 file.exe 83 PID 3208 wrote to memory of 2696 3208 file.exe 83
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:3208 -
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:2696
-