Analysis
- max time kernel
150s - max time network
137s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
26/01/2023, 04:35
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
win10v2004-20221111-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target file.exe
- Size 324KB
- Sample230126-e7nw6ace44
- SHA256 e6f8b4a726841d9995449132e2b587d577863bdff0304017feca7e20e6129757
- MD5 431085b165e2673fcb23810b7db0102b
- SHA1 8ffbcc0190fde4f864eda8ce080b4f165a78f7c8
- SHA512 3d8509a2fafe54ade34c6eb92876c1ffc08f32629530c8666cf545974783f55e6b6425f89efe1a2201e351441631ed9f7a96acd8cb8eab724249500db831f63c
- SSDEEP 3072:ewKwv0ngrHxLGTXF9IHoARJs+CpNGuibSh0q0xDZ6zPhY0+L4Oi/XcLYr/UT:9TLoF9IhyNGuibEP+cdY0+MOKXhUT
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/4824-133-0x0000000000600000-0x0000000000609000-memory.dmp family_smokeloader behavioral2/memory/4084-135-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4084-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4084-138-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4824 set thread context of 4084 4824 file.exe 81 - 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 4084 file.exe 4084 file.exe 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2600 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4084 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4824 wrote to memory of 4084 4824 file.exe 81 PID 4824 wrote to memory of 4084 4824 file.exe 81 PID 4824 wrote to memory of 4084 4824 file.exe 81 PID 4824 wrote to memory of 4084 4824 file.exe 81 PID 4824 wrote to memory of 4084 4824 file.exe 81 PID 4824 wrote to memory of 4084 4824 file.exe 81
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:4824 -
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:4084
-