Analysis
- max time kernel
150s - max time network
48s - platform
windows7_x64 - resource
win7-20220901-en - resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system - submitted
20/01/2023, 23:48
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220901-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target file.exe
- Size 328KB
- Sample230120-3tenbsab49
- SHA256 82985ea72b32a94d2b854237a12eda5cc44fbfcd0c61bd651a4d7fe7917ba49a
- MD5 1ea135a7cfce2b5cbf40322f31ab2576
- SHA1 408bad4bf263581ea9859dc34c6daf4573106062
- SHA512 fc47323239c305cffaee786610eec037a9786d04b569dd4f674c6d7759f26e74904aa4d341f8cf56862c41287ba8e653ffc69c98ce00214a957f6ed907d82c63
- SSDEEP 6144:HsLXis2CuolmCLzBw2RacgCoZsBPH4OxT:MbisPNZRvg6/7
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 5 IoCs
resource yara_rule behavioral1/memory/1204-55-0x0000000000402DD8-mapping.dmp family_smokeloader behavioral1/memory/1280-58-0x0000000000220000-0x0000000000229000-memory.dmp family_smokeloader behavioral1/memory/1204-54-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1204-59-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1204-60-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1280 set thread context of 1204 1280 file.exe 27 - 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 1204 file.exe 1204 file.exe 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1208 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1204 file.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1280 wrote to memory of 1204 1280 file.exe 27 PID 1280 wrote to memory of 1204 1280 file.exe 27 PID 1280 wrote to memory of 1204 1280 file.exe 27 PID 1280 wrote to memory of 1204 1280 file.exe 27 PID 1280 wrote to memory of 1204 1280 file.exe 27 PID 1280 wrote to memory of 1204 1280 file.exe 27 PID 1280 wrote to memory of 1204 1280 file.exe 27
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:1280 -
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:1204
-