Analysis
- max time kernel
150s - max time network
34s - platform
windows7_x64 - resource
win7-20221111-en - resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system - submitted
05/02/2023, 00:14
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 192KB
- Sample230205-ajb58sfb98
- SHA256 ef6c10db0aaf70b00a040a85f05d97a84f530c7e4e6cc7728b23b8d24716e1d8
- MD5 ed23e6ed85de70cd998f6918035c362a
- SHA1 7b0e3a1ab602bdea9b69254d4f07c5669568ff9c
- SHA512 69f1e3a4a2e66851671377e6c5bb470c009bd1c557eae6a254c0406a5dd07c6b52d75188704adaf53d714f46c094e6729309700765991e5b17a815ba74420a1f
- SSDEEP 3072:5tPOTa2P+QdLL5IZWtq75DoEwgS6QE40T1cKp7JmsURLv9PhGn3PLqI5hEwN7:5tPMvdLLqZ4PE35cKp7JmJvdm3PLqI53
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 5 IoCs
resource yara_rule behavioral1/memory/1200-54-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1200-55-0x0000000000402DD8-mapping.dmp family_smokeloader behavioral1/memory/1144-58-0x0000000000240000-0x0000000000249000-memory.dmp family_smokeloader behavioral1/memory/1200-59-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1200-60-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1144 set thread context of 1200 1144 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 1200 file.exe 1200 file.exe 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found 1280 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1280 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1200 file.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1144 wrote to memory of 1200 1144 file.exe 28 PID 1144 wrote to memory of 1200 1144 file.exe 28 PID 1144 wrote to memory of 1200 1144 file.exe 28 PID 1144 wrote to memory of 1200 1144 file.exe 28 PID 1144 wrote to memory of 1200 1144 file.exe 28 PID 1144 wrote to memory of 1200 1144 file.exe 28 PID 1144 wrote to memory of 1200 1144 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:1144 -
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:1200
-