Analysis
- max time kernel
150s - max time network
83s - platform
windows7_x64 - resource
win7-20220812-en - resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system - submitted
31/01/2023, 16:27
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220812-en
windows7-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target file.exe
- Size 296KB
- Sample230131-tx3d5aah7z
- SHA256 d270c1a6bfe1a4ba4bb170033ff448fa1421a549519250ee892f856fe101985a
- MD5 e272a502d081ecc2490ff3ddd70d3379
- SHA1 3b3ec8b681fb0432c2e17809e61b60627641bdf1
- SHA512 cd00f47de843ca27db4ab99ebff5e19b7f5c0e69119a7a8b85f3d0c57026170ca270dfc39ad32ce34fe19c27b2008434d48d88d43f485ebddfecc6ef73c8eb35
- SSDEEP 3072:uqLuLwYaLNVRoOt/NiCDBeE0xj7pcQNU/Zx6GmqPUx6WfQz86mS6N/03MMu:YsYaLNUQFiQeEEmEyxjmqMoIxRs8Mu
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 5 IoCs
resource yara_rule behavioral1/memory/1664-55-0x0000000000402DD8-mapping.dmp family_smokeloader behavioral1/memory/1664-54-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1132-58-0x0000000000220000-0x0000000000229000-memory.dmp family_smokeloader behavioral1/memory/1664-59-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1664-60-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1132 set thread context of 1664 1132 file.exe 28 - 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 1664 file.exe 1664 file.exe 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found 1376 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1664 file.exe - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 1376 Process not Found 1376 Process not Found - Suspicious use of SendNotifyMessage 2 IoCs
pid Process 1376 Process not Found 1376 Process not Found - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1132 wrote to memory of 1664 1132 file.exe 28 PID 1132 wrote to memory of 1664 1132 file.exe 28 PID 1132 wrote to memory of 1664 1132 file.exe 28 PID 1132 wrote to memory of 1664 1132 file.exe 28 PID 1132 wrote to memory of 1664 1132 file.exe 28 PID 1132 wrote to memory of 1664 1132 file.exe 28 PID 1132 wrote to memory of 1664 1132 file.exe 28
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:1132 -
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:1664
-