Analysis
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max time kernel
167s -
max time network
173s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
22/11/2022, 05:42
Static task
static1
Behavioral task
behavioral1
Sample
320d4bb8f1edc85a2e430ba5d676518891c2e3bae61829fb207fa8fba75f5d1a.exe
Resource
win10v2004-20221111-en
windows10-2004-x64
10 signatures
150 seconds
General
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Target
320d4bb8f1edc85a2e430ba5d676518891c2e3bae61829fb207fa8fba75f5d1a.exe
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Size
316KB
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MD5
579f3c3f5b93f8395da5c0e93864d361
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SHA1
ce94bd0461ab81ad6f083a26d35493f95cf515f5
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SHA256
320d4bb8f1edc85a2e430ba5d676518891c2e3bae61829fb207fa8fba75f5d1a
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SHA512
ba1a1cb3b7c6453a0d8b1c8e8df6216f76e3f27ba4c4030be7c012edee41a518dc1fb50ccd51cc4232531b837da0a9a3acb4004fa6acd8cd2eeb456b46b77007
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SSDEEP
6144:YtBuDsylKnQX9TJ50MRv8sMDmshnkf8+CwbG:FIx89V5JRt6zc8wG
Score
10/10
Malware Config
Signatures
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Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral1/memory/4688-135-0x00000000005B0000-0x00000000005B9000-memory.dmp family_smokeloader behavioral1/memory/800-134-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/800-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/800-138-0x0000000000400000-0x0000000000409000-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 4688 set thread context of 800 4688 320d4bb8f1edc85a2e430ba5d676518891c2e3bae61829fb207fa8fba75f5d1a.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 320d4bb8f1edc85a2e430ba5d676518891c2e3bae61829fb207fa8fba75f5d1a.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 320d4bb8f1edc85a2e430ba5d676518891c2e3bae61829fb207fa8fba75f5d1a.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 320d4bb8f1edc85a2e430ba5d676518891c2e3bae61829fb207fa8fba75f5d1a.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 800 320d4bb8f1edc85a2e430ba5d676518891c2e3bae61829fb207fa8fba75f5d1a.exe 800 320d4bb8f1edc85a2e430ba5d676518891c2e3bae61829fb207fa8fba75f5d1a.exe 2020 Process not Found 2020 Process not Found 2020 Process not Found 2020 Process not Found 2020 Process not Found 2020 Process not Found 2020 Process not Found 2020 Process not Found 2020 Process not Found 2020 Process not Found 2020 Process not Found 2020 Process not Found 2020 Process not Found 2020 Process not Found 2020 Process not Found 2020 Process not Found 2020 Process not Found 2020 Process not Found 2020 Process not Found 2020 Process not Found 2020 Process not Found 2020 Process not Found 2020 Process not Found 2020 Process not Found 2020 Process not Found 2020 Process not Found 2020 Process not Found 2020 Process not Found 2020 Process not Found 2020 Process not Found 2020 Process not Found 2020 Process not Found 2020 Process not Found 2020 Process not Found 2020 Process not Found 2020 Process not Found 2020 Process not Found 2020 Process not Found 2020 Process not Found 2020 Process not Found 2020 Process not Found 2020 Process not Found 2020 Process not Found 2020 Process not Found 2020 Process not Found 2020 Process not Found 2020 Process not Found 2020 Process not Found 2020 Process not Found 2020 Process not Found 2020 Process not Found 2020 Process not Found 2020 Process not Found 2020 Process not Found 2020 Process not Found 2020 Process not Found 2020 Process not Found 2020 Process not Found 2020 Process not Found 2020 Process not Found 2020 Process not Found 2020 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2020 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 800 320d4bb8f1edc85a2e430ba5d676518891c2e3bae61829fb207fa8fba75f5d1a.exe -
Suspicious use of FindShellTrayWindow 3 IoCs
pid Process 2020 Process not Found 2020 Process not Found 2020 Process not Found -
Suspicious use of SendNotifyMessage 3 IoCs
pid Process 2020 Process not Found 2020 Process not Found 2020 Process not Found -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4688 wrote to memory of 800 4688 320d4bb8f1edc85a2e430ba5d676518891c2e3bae61829fb207fa8fba75f5d1a.exe 81 PID 4688 wrote to memory of 800 4688 320d4bb8f1edc85a2e430ba5d676518891c2e3bae61829fb207fa8fba75f5d1a.exe 81 PID 4688 wrote to memory of 800 4688 320d4bb8f1edc85a2e430ba5d676518891c2e3bae61829fb207fa8fba75f5d1a.exe 81 PID 4688 wrote to memory of 800 4688 320d4bb8f1edc85a2e430ba5d676518891c2e3bae61829fb207fa8fba75f5d1a.exe 81 PID 4688 wrote to memory of 800 4688 320d4bb8f1edc85a2e430ba5d676518891c2e3bae61829fb207fa8fba75f5d1a.exe 81 PID 4688 wrote to memory of 800 4688 320d4bb8f1edc85a2e430ba5d676518891c2e3bae61829fb207fa8fba75f5d1a.exe 81
Processes
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C:\Users\Admin\AppData\Local\Temp\320d4bb8f1edc85a2e430ba5d676518891c2e3bae61829fb207fa8fba75f5d1a.exe"C:\Users\Admin\AppData\Local\Temp\320d4bb8f1edc85a2e430ba5d676518891c2e3bae61829fb207fa8fba75f5d1a.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4688 -
C:\Users\Admin\AppData\Local\Temp\320d4bb8f1edc85a2e430ba5d676518891c2e3bae61829fb207fa8fba75f5d1a.exe"C:\Users\Admin\AppData\Local\Temp\320d4bb8f1edc85a2e430ba5d676518891c2e3bae61829fb207fa8fba75f5d1a.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:800
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