Analysis
- max time kernel
286s - max time network
285s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
09/12/2022, 08:51
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
9 signatures
150 seconds
General
- Target file.exe
- Size 382KB
- Sample221209-kr6pxscg42
- SHA256 35630cf5c07b6cbebb6ee4e2ecdf6b6e1d772c7edf92b620a6cbead511e2c549
- MD5 4b5a933b805a68584e9ee70324a422b0
- SHA1 32c77d28418506e4b68a481deae487b228f48064
- SHA512 551b77930eae3f2c52bec5236f92063cc360f815fe208918765fd9c71784b3e99c2bfc5520874c0fb5fe04bc1f90f79dc2bbeaddf184237babfe55f1e79361eb
- SSDEEP 6144:SOsmLRa0x/oa6gsWLYb/6fUi2b7whh6K9W9zded89kTt:SOtta0p9LYTrtbUIK9W90ac
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/396-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4120-135-0x0000000000590000-0x0000000000599000-memory.dmp family_smokeloader behavioral2/memory/396-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/396-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4120 set thread context of 396 4120 file.exe 80 - 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 396 file.exe 396 file.exe 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found 2620 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2620 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 396 file.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeShutdownPrivilege 2620 Process not Found Token: SeCreatePagefilePrivilege 2620 Process not Found - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4120 wrote to memory of 396 4120 file.exe 80 PID 4120 wrote to memory of 396 4120 file.exe 80 PID 4120 wrote to memory of 396 4120 file.exe 80 PID 4120 wrote to memory of 396 4120 file.exe 80 PID 4120 wrote to memory of 396 4120 file.exe 80 PID 4120 wrote to memory of 396 4120 file.exe 80
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:4120 -
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:396
-