Analysis
- max time kernel
150s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20220901-en - resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system - submitted
31/12/2022, 22:26
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
win10v2004-20220901-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target file.exe
- Size 240KB
- Sample221231-2chg8aag29
- SHA256 983564b3ceb6242f4e1b59a99ba3125da6dcf3620fc5e944584bdeef42c7de82
- MD5 541a1499a93a8624ddb6f76f83fc32b3
- SHA1 b63baca17930a15143bb97ac9fed397804994048
- SHA512 ebb945e421e781eb2c8776cf775fd21f14fd02dbb05e3ac90b3aba80b640d834b07d78d57ec107cae9ea573893668b859ca90cb4080105182d2bfb33005fc98d
- SSDEEP 3072:wXRpfgLU2TIEV+hzk8m55VD23nEtVr0FOCYnDiZmqIlFWp27hZY:k8LShQ8MDyEtVfCYnDi0zlg0ZY
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/4452-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/3916-135-0x0000000002190000-0x0000000002199000-memory.dmp family_smokeloader behavioral2/memory/4452-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4452-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3916 set thread context of 4452 3916 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 4452 file.exe 4452 file.exe 2932 Process not Found 2932 Process not Found 2932 Process not Found 2932 Process not Found 2932 Process not Found 2932 Process not Found 2932 Process not Found 2932 Process not Found 2932 Process not Found 2932 Process not Found 2932 Process not Found 2932 Process not Found 2932 Process not Found 2932 Process not Found 2932 Process not Found 2932 Process not Found 2932 Process not Found 2932 Process not Found 2932 Process not Found 2932 Process not Found 2932 Process not Found 2932 Process not Found 2932 Process not Found 2932 Process not Found 2932 Process not Found 2932 Process not Found 2932 Process not Found 2932 Process not Found 2932 Process not Found 2932 Process not Found 2932 Process not Found 2932 Process not Found 2932 Process not Found 2932 Process not Found 2932 Process not Found 2932 Process not Found 2932 Process not Found 2932 Process not Found 2932 Process not Found 2932 Process not Found 2932 Process not Found 2932 Process not Found 2932 Process not Found 2932 Process not Found 2932 Process not Found 2932 Process not Found 2932 Process not Found 2932 Process not Found 2932 Process not Found 2932 Process not Found 2932 Process not Found 2932 Process not Found 2932 Process not Found 2932 Process not Found 2932 Process not Found 2932 Process not Found 2932 Process not Found 2932 Process not Found 2932 Process not Found 2932 Process not Found 2932 Process not Found 2932 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2932 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4452 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3916 wrote to memory of 4452 3916 file.exe 81 PID 3916 wrote to memory of 4452 3916 file.exe 81 PID 3916 wrote to memory of 4452 3916 file.exe 81 PID 3916 wrote to memory of 4452 3916 file.exe 81 PID 3916 wrote to memory of 4452 3916 file.exe 81 PID 3916 wrote to memory of 4452 3916 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:3916 -
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:4452
-