Analysis
- max time kernel
151s - max time network
41s - platform
windows7_x64 - resource
win7-20220812-en - resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system - submitted
12/01/2023, 21:27
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 263KB
- Sample230112-1aqkdaeg21
- SHA256 e10bafdd892ace0191b7c82afa576bd7610c80d95659b3b43027bdd8a3aade44
- MD5 3dbf139b8a4d41e3affa4ea267b6c903
- SHA1 1f45228ea4f820893ebfc1e8a6ceee0a42d9007c
- SHA512 3460bb9b8810d6b7031580d18354768e6fc9b8c89770db8b6a195c1a7d9984e68282b1ad18315dea0b22fd4b271ff4a84c2fef0407562c5026d59f48834e57ac
- SSDEEP 3072:cXEl3JK/rLIilnz7xU53Bs/EKFBfY3fgTyY2pzFEUI2E4gMe5LRFYUEA7:YEuLhnz7xYa/3Afg6zF028wUR
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 5 IoCs
resource yara_rule behavioral1/memory/1708-54-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1708-55-0x0000000000402DD8-mapping.dmp family_smokeloader behavioral1/memory/1720-58-0x0000000000220000-0x0000000000229000-memory.dmp family_smokeloader behavioral1/memory/1708-59-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1708-60-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1720 set thread context of 1708 1720 file.exe 26 - Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1708 file.exe 1708 file.exe 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1708 file.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1720 wrote to memory of 1708 1720 file.exe 26 PID 1720 wrote to memory of 1708 1720 file.exe 26 PID 1720 wrote to memory of 1708 1720 file.exe 26 PID 1720 wrote to memory of 1708 1720 file.exe 26 PID 1720 wrote to memory of 1708 1720 file.exe 26 PID 1720 wrote to memory of 1708 1720 file.exe 26 PID 1720 wrote to memory of 1708 1720 file.exe 26
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:1720 -
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:1708
-