Analysis
- max time kernel
151s - max time network
154s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
03/02/2023, 19:20
Static task
static1
Behavioral task
behavioral1
Sample
3ec936a0681e9e747fcad66473afa22c.exe
Resource
win7-20220812-en
windows7-x64
5 signatures
150 seconds
Behavioral task
behavioral2
Sample
3ec936a0681e9e747fcad66473afa22c.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target 3ec936a0681e9e747fcad66473afa22c.exe
- Size 195KB
- Sample230203-x14cdaab99
- SHA256 f4f641ef6dfb91df7d7071e7338ada9383ed6e0f1fd8df388fd8e2c1a54a98cc
- MD5 3ec936a0681e9e747fcad66473afa22c
- SHA1 2688fd6122bdd5ab56217b90d7357bae995502e3
- SHA512 5a84769f25106d8d4d1405ec6ab24d2b51b92871a7cc01da2ed6519593a1a1cb4df8ea70ae043ea728174148992f7eafd7d0322201af682dee79cb6936a7f662
- SSDEEP 3072:27uXB/3D223LO2bOWdt5Hhk3WRSvA/taEHiT/at8xrhkVw:27uk+LO2bOIhkG5FamixxMw
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 1 IoCs
resource yara_rule behavioral2/memory/4408-133-0x0000000000560000-0x0000000000569000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Blocklisted process makes network request 1 IoCs
flow pid Process 64 484 rundll32.exe - Downloads MZ/PE file
- Executes dropped EXE 1 IoCs
pid Process 5076 79FD.exe - 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 3ec936a0681e9e747fcad66473afa22c.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 3ec936a0681e9e747fcad66473afa22c.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 3ec936a0681e9e747fcad66473afa22c.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4408 3ec936a0681e9e747fcad66473afa22c.exe 4408 3ec936a0681e9e747fcad66473afa22c.exe 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2348 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4408 3ec936a0681e9e747fcad66473afa22c.exe - Suspicious use of WriteProcessMemory 35 IoCs
description pid Process procid_target PID 2348 wrote to memory of 5076 2348 Process not Found 82 PID 2348 wrote to memory of 5076 2348 Process not Found 82 PID 2348 wrote to memory of 5076 2348 Process not Found 82 PID 5076 wrote to memory of 484 5076 79FD.exe 83 PID 5076 wrote to memory of 484 5076 79FD.exe 83 PID 5076 wrote to memory of 484 5076 79FD.exe 83 PID 5076 wrote to memory of 484 5076 79FD.exe 83 PID 5076 wrote to memory of 484 5076 79FD.exe 83 PID 5076 wrote to memory of 484 5076 79FD.exe 83 PID 5076 wrote to memory of 484 5076 79FD.exe 83 PID 5076 wrote to memory of 484 5076 79FD.exe 83 PID 5076 wrote to memory of 484 5076 79FD.exe 83 PID 5076 wrote to memory of 484 5076 79FD.exe 83 PID 5076 wrote to memory of 484 5076 79FD.exe 83 PID 5076 wrote to memory of 484 5076 79FD.exe 83 PID 5076 wrote to memory of 484 5076 79FD.exe 83 PID 5076 wrote to memory of 484 5076 79FD.exe 83 PID 5076 wrote to memory of 484 5076 79FD.exe 83 PID 5076 wrote to memory of 484 5076 79FD.exe 83 PID 5076 wrote to memory of 484 5076 79FD.exe 83 PID 5076 wrote to memory of 484 5076 79FD.exe 83 PID 5076 wrote to memory of 484 5076 79FD.exe 83 PID 5076 wrote to memory of 484 5076 79FD.exe 83 PID 5076 wrote to memory of 484 5076 79FD.exe 83 PID 5076 wrote to memory of 484 5076 79FD.exe 83 PID 5076 wrote to memory of 484 5076 79FD.exe 83 PID 5076 wrote to memory of 484 5076 79FD.exe 83 PID 5076 wrote to memory of 484 5076 79FD.exe 83 PID 5076 wrote to memory of 484 5076 79FD.exe 83 PID 5076 wrote to memory of 484 5076 79FD.exe 83 PID 5076 wrote to memory of 484 5076 79FD.exe 83 PID 5076 wrote to memory of 484 5076 79FD.exe 83 PID 5076 wrote to memory of 484 5076 79FD.exe 83 PID 5076 wrote to memory of 484 5076 79FD.exe 83 PID 5076 wrote to memory of 484 5076 79FD.exe 83
Processes
-
C:\Users\Admin\AppData\Local\Temp\3ec936a0681e9e747fcad66473afa22c.exe"C:\Users\Admin\AppData\Local\Temp\3ec936a0681e9e747fcad66473afa22c.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:4408
-
C:\Users\Admin\AppData\Local\Temp\79FD.exeC:\Users\Admin\AppData\Local\Temp\79FD.exe1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:5076 -
C:\Windows\SysWOW64\rundll32.exe"C:\Windows\syswow64\rundll32.exe" "C:\Windows\syswow64\shell32.dll",#612⤵
- Blocklisted process makes network request
PID:484
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\79FD.exe
- Size 2.8MB
- SHA256 d51bd4115033c28670e76f0c5bfb141e4658d09f9fbdda32d6d787bf0012a0e7
- MD5 cbd9607dc0d542cded87b2dd91fc91ec
- SHA1 a5f35bfc839e23ce16baf3ccfdf939ad762013e5
- SHA512 7012cb097bdc5f0c7df7567029d8900a0b2f1a0181ad9d72c2b5fbdf2a9070fcd217fc378fe4530f6f2ab63a3d6463cb0a453cc77f72371b22777615bdb9020e
- SSDEEP 49152:cmMQIDc0oKLnioa/5Ox8lMGc8QGQ5UzHjLdTwH:lMQgBuoa/QalMGc8QGQ5U
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\79FD.exe
- Size 2.8MB
- SHA256 d51bd4115033c28670e76f0c5bfb141e4658d09f9fbdda32d6d787bf0012a0e7
- MD5 cbd9607dc0d542cded87b2dd91fc91ec
- SHA1 a5f35bfc839e23ce16baf3ccfdf939ad762013e5
- SHA512 7012cb097bdc5f0c7df7567029d8900a0b2f1a0181ad9d72c2b5fbdf2a9070fcd217fc378fe4530f6f2ab63a3d6463cb0a453cc77f72371b22777615bdb9020e
- SSDEEP 49152:cmMQIDc0oKLnioa/5Ox8lMGc8QGQ5UzHjLdTwH:lMQgBuoa/QalMGc8QGQ5U
- MD5 SHA1 SHA512 SSDEEP