Analysis
- max time kernel
174s - max time network
181s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
22/10/2022, 16:36
Static task
static1
Behavioral task
behavioral1
Sample
28154df4c6e9bab2d27e3853ca24c105.exe
Resource
win7-20220901-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
28154df4c6e9bab2d27e3853ca24c105.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target 28154df4c6e9bab2d27e3853ca24c105.exe
- Size 224KB
- Sample221022-t384vsecfl
- SHA256 e9873f5aafc29bcf3a66a92b56475b28bdd051fede1bec90cb9d19fdd369f4da
- MD5 28154df4c6e9bab2d27e3853ca24c105
- SHA1 00b3f123454576d99fb4ba91d5cbedc0a0398702
- SHA512 80768cd96e2065b73c4e1fd4f1e40c1ce66ba97282047e0929c2cd8524d3a919efa8d614529bd0f79d6e69d512d2db82811b8125ef5f8baa1b285146e5857290
- SSDEEP 3072:AXGcyLSmXSg8A5RR2FBaYvfCRr36c1NDzuVKkA1K1j+0ESZ:0HyLdV5fj6cfzXkGK1+0d
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/2076-133-0x00000000001F0000-0x00000000001F9000-memory.dmp family_smokeloader behavioral2/memory/4596-135-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4596-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4596-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2076 set thread context of 4596 2076 28154df4c6e9bab2d27e3853ca24c105.exe 82 - 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 28154df4c6e9bab2d27e3853ca24c105.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 28154df4c6e9bab2d27e3853ca24c105.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 28154df4c6e9bab2d27e3853ca24c105.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4596 28154df4c6e9bab2d27e3853ca24c105.exe 4596 28154df4c6e9bab2d27e3853ca24c105.exe 724 Process not Found 724 Process not Found 724 Process not Found 724 Process not Found 724 Process not Found 724 Process not Found 724 Process not Found 724 Process not Found 724 Process not Found 724 Process not Found 724 Process not Found 724 Process not Found 724 Process not Found 724 Process not Found 724 Process not Found 724 Process not Found 724 Process not Found 724 Process not Found 724 Process not Found 724 Process not Found 724 Process not Found 724 Process not Found 724 Process not Found 724 Process not Found 724 Process not Found 724 Process not Found 724 Process not Found 724 Process not Found 724 Process not Found 724 Process not Found 724 Process not Found 724 Process not Found 724 Process not Found 724 Process not Found 724 Process not Found 724 Process not Found 724 Process not Found 724 Process not Found 724 Process not Found 724 Process not Found 724 Process not Found 724 Process not Found 724 Process not Found 724 Process not Found 724 Process not Found 724 Process not Found 724 Process not Found 724 Process not Found 724 Process not Found 724 Process not Found 724 Process not Found 724 Process not Found 724 Process not Found 724 Process not Found 724 Process not Found 724 Process not Found 724 Process not Found 724 Process not Found 724 Process not Found 724 Process not Found 724 Process not Found 724 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 724 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4596 28154df4c6e9bab2d27e3853ca24c105.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2076 wrote to memory of 4596 2076 28154df4c6e9bab2d27e3853ca24c105.exe 82 PID 2076 wrote to memory of 4596 2076 28154df4c6e9bab2d27e3853ca24c105.exe 82 PID 2076 wrote to memory of 4596 2076 28154df4c6e9bab2d27e3853ca24c105.exe 82 PID 2076 wrote to memory of 4596 2076 28154df4c6e9bab2d27e3853ca24c105.exe 82 PID 2076 wrote to memory of 4596 2076 28154df4c6e9bab2d27e3853ca24c105.exe 82 PID 2076 wrote to memory of 4596 2076 28154df4c6e9bab2d27e3853ca24c105.exe 82
Processes
-
C:\Users\Admin\AppData\Local\Temp\28154df4c6e9bab2d27e3853ca24c105.exe"C:\Users\Admin\AppData\Local\Temp\28154df4c6e9bab2d27e3853ca24c105.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2076 -
C:\Users\Admin\AppData\Local\Temp\28154df4c6e9bab2d27e3853ca24c105.exe"C:\Users\Admin\AppData\Local\Temp\28154df4c6e9bab2d27e3853ca24c105.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:4596
-