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
10/01/2023, 00:08
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
win10v2004-20221111-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target file.exe
- Size 327KB
- Sample230110-aewdbagc44
- SHA256 59e26c7e7cb868b4142455f39c0a852eadaa692dacd6cb566c3a11a1480cff5b
- MD5 f9f8e8aa138408305fcc35cbc5adb64b
- SHA1 ecad5d671233ac6855df2ff5c9dc7d700a7b64f7
- SHA512 d71e6fb1efd15f46b32d3d72a77ca7848c9305af14f057d92886dd13b08c5096e4cf747b9e726c7ada1f020ddf8619c611e4a77f6040463dfe714be3e3c82cfe
- SSDEEP 3072:7X3+z0kJm6z3PJ5H+3ALGrh6l5dzANNu/2eou+ZgqXL7EReBA0X8gqQJev177:TYDmiPjC6l3zis/2eogq7dBA0X8sJY
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 5 IoCs
resource yara_rule behavioral1/memory/1764-56-0x0000000000402DD8-mapping.dmp family_smokeloader behavioral1/memory/1764-55-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1996-57-0x00000000003A0000-0x00000000003A9000-memory.dmp family_smokeloader behavioral1/memory/1764-59-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1764-60-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1996 set thread context of 1764 1996 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 1764 file.exe 1764 file.exe 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1228 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1764 file.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1996 wrote to memory of 1764 1996 file.exe 28 PID 1996 wrote to memory of 1764 1996 file.exe 28 PID 1996 wrote to memory of 1764 1996 file.exe 28 PID 1996 wrote to memory of 1764 1996 file.exe 28 PID 1996 wrote to memory of 1764 1996 file.exe 28 PID 1996 wrote to memory of 1764 1996 file.exe 28 PID 1996 wrote to memory of 1764 1996 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:1996 -
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:1764
-