Analysis
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max time kernel
150s -
max time network
95s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
22/12/2022, 15:16
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
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Target
file.exe
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Size
318KB
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MD5
cf6a40f4272f604b33bde07318c13a8a
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SHA1
af966c182f9a4923dd357298b8a8bd2d9560fc0f
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SHA256
2dfae2d2435132d6434a3e3636c65650044766e047d080be94529678055b0637
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SHA512
53ebc4759f444b24309aba522a888f76010853239bfd4947bc4601fd2728a6219899c62d7aaaeffc7d70981cc06fc2f8143722fb04de97d03840df2280534841
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SSDEEP
6144:PkiRLm/ZbDF/0kZuSN1Yjzh3RR0cSpQTtyzsduHNIv:XRCRb50kZfGh3RR0TCtyYduHNI
Score
10/10
Malware Config
Signatures
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Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/2428-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/572-135-0x00000000006B0000-0x00000000006B9000-memory.dmp family_smokeloader behavioral2/memory/2428-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/2428-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader -
SmokeLoader
Modular backdoor trojan in use since 2014.
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Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 572 set thread context of 2428 572 file.exe 82 -
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 2428 file.exe 2428 file.exe 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2648 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2428 file.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 572 wrote to memory of 2428 572 file.exe 82 PID 572 wrote to memory of 2428 572 file.exe 82 PID 572 wrote to memory of 2428 572 file.exe 82 PID 572 wrote to memory of 2428 572 file.exe 82 PID 572 wrote to memory of 2428 572 file.exe 82 PID 572 wrote to memory of 2428 572 file.exe 82
Processes
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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:572 -
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:2428
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