Analysis
- max time kernel
150s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
10/01/2023, 08:44
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20221111-en
windows7-x64
8 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 279KB
- Sample230110-km5xtsfe23
- SHA256 06d11e83ac6ea574dc4b3843ac79e8d8581495082fe5bb079879770ee5f8fab1
- MD5 3f1d8570f66950d7c7d5ffe9781e60f2
- SHA1 649f19001b88c118556559e8b224b0a4244993c3
- SHA512 af6b82b24067d5b044a31ade2a2865da1f8cde44f37a86bb306c47cc4925a4c935b7a07ba00f7d9de05977b22439f7310bcab410eeadec97d3d5db471117cd90
- SSDEEP 3072:PGXECVpXttLflLXGEKB5t5ABZkaRZqc1eATc8nWETYGcSTj0qWpEloZe07rCt95u:2nLdXGEKB5gBmQDRwsWK5jq7r/
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/364-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/1052-135-0x0000000002C20000-0x0000000002C29000-memory.dmp family_smokeloader behavioral2/memory/364-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/364-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1052 set thread context of 364 1052 file.exe 79 - 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 364 file.exe 364 file.exe 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1040 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 364 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1052 wrote to memory of 364 1052 file.exe 79 PID 1052 wrote to memory of 364 1052 file.exe 79 PID 1052 wrote to memory of 364 1052 file.exe 79 PID 1052 wrote to memory of 364 1052 file.exe 79 PID 1052 wrote to memory of 364 1052 file.exe 79 PID 1052 wrote to memory of 364 1052 file.exe 79
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:1052 -
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:364
-