Analysis
- max time kernel
151s - max time network
142s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
13/12/2022, 23:26
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220812-en
windows7-x64
7 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 259KB
- Sample221213-3ettpsbf81
- SHA256 3239a2628d29fedb483a68d687ec0d70cd86a2420f57d3c8159cef925d932d6a
- MD5 980a096742a87eaddc48b516b347487d
- SHA1 5635d7e0b1ff4b5f28cfb78566228a62985cf14f
- SHA512 7fd488460a850ec0bfa881c7fcfa1959472b6a3eb9f0099eae787c9f7565cee865141e1170dc8aa1fa47c6e833ae4e4ecb78056912eb6b304b3e92c39e413dbd
- SSDEEP 3072:GMfkLH49e3QHI4JiELn5MIprMqZtFa7XgyCAJTy59N5f3JalxNy8bGbQ/E1PujKq:RkLYI8LBdntFacFAJTyD3N8btow
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/3140-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/5100-135-0x00000000006E0000-0x00000000006E9000-memory.dmp family_smokeloader behavioral2/memory/3140-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/3140-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 5100 set thread context of 3140 5100 file.exe 80 - 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 3140 file.exe 3140 file.exe 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3060 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 3140 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 5100 wrote to memory of 3140 5100 file.exe 80 PID 5100 wrote to memory of 3140 5100 file.exe 80 PID 5100 wrote to memory of 3140 5100 file.exe 80 PID 5100 wrote to memory of 3140 5100 file.exe 80 PID 5100 wrote to memory of 3140 5100 file.exe 80 PID 5100 wrote to memory of 3140 5100 file.exe 80
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:5100 -
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:3140
-