Analysis
- max time kernel
151s - max time network
141s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
18/02/2023, 08:07
Static task
static1
Behavioral task
behavioral1
Sample
05f7554a7cc5f329cb905145b21362db.exe
Resource
win7-20221111-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
05f7554a7cc5f329cb905145b21362db.exe
Resource
win10v2004-20221111-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target 05f7554a7cc5f329cb905145b21362db.exe
- Size 150KB
- Sample230218-jz1cfabd65
- SHA256 4ef232229380c19bb92ec5bec35979f1713f67a1adababa0ef77ff53e39a8505
- MD5 05f7554a7cc5f329cb905145b21362db
- SHA1 4d98537a038787031070235262ceeb1f616ecd54
- SHA512 54a992677a63baf0b428d2bbf49e1e077214500b5a3963d568dfbd6549d677b65728805f4518ea4927f7d966bcd4e9065fe7a281086f31fe6df7cf73fb41fbfa
- SSDEEP 3072:lFsNWtJMiIYrFD0z+Efj5UyOGBlz8OtUxazcJ39XPGzil:kstJLIYjEfj5U/GBlz8OtUxbLuzi
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/1440-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/5064-135-0x00000000006E0000-0x00000000006E9000-memory.dmp family_smokeloader behavioral2/memory/1440-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/1440-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 5064 set thread context of 1440 5064 05f7554a7cc5f329cb905145b21362db.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 05f7554a7cc5f329cb905145b21362db.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 05f7554a7cc5f329cb905145b21362db.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 05f7554a7cc5f329cb905145b21362db.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1440 05f7554a7cc5f329cb905145b21362db.exe 1440 05f7554a7cc5f329cb905145b21362db.exe 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2492 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1440 05f7554a7cc5f329cb905145b21362db.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 5064 wrote to memory of 1440 5064 05f7554a7cc5f329cb905145b21362db.exe 82 PID 5064 wrote to memory of 1440 5064 05f7554a7cc5f329cb905145b21362db.exe 82 PID 5064 wrote to memory of 1440 5064 05f7554a7cc5f329cb905145b21362db.exe 82 PID 5064 wrote to memory of 1440 5064 05f7554a7cc5f329cb905145b21362db.exe 82 PID 5064 wrote to memory of 1440 5064 05f7554a7cc5f329cb905145b21362db.exe 82 PID 5064 wrote to memory of 1440 5064 05f7554a7cc5f329cb905145b21362db.exe 82
Processes
-
C:\Users\Admin\AppData\Local\Temp\05f7554a7cc5f329cb905145b21362db.exe"C:\Users\Admin\AppData\Local\Temp\05f7554a7cc5f329cb905145b21362db.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:5064 -
C:\Users\Admin\AppData\Local\Temp\05f7554a7cc5f329cb905145b21362db.exe"C:\Users\Admin\AppData\Local\Temp\05f7554a7cc5f329cb905145b21362db.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:1440
-