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Analysis
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max time kernel
150s -
max time network
147s -
platform
windows10-1703_x64 -
resource
win10-20220812-en -
resource tags
arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system -
submitted
06/09/2022, 15:30
Static task
static1
Behavioral task
behavioral1
Sample
3bcbfbbf7cea5dae4a74c004a42375f64eeaea83e16af04e0b05f71892ba983b.exe
Resource
win10-20220812-en
General
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Target
3bcbfbbf7cea5dae4a74c004a42375f64eeaea83e16af04e0b05f71892ba983b.exe
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Size
260KB
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MD5
f9d8a2d2995d9b550733eaefc85eabd5
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SHA1
a2156ac3490c1ff002364f814d0f19adfdcf4fc5
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SHA256
3bcbfbbf7cea5dae4a74c004a42375f64eeaea83e16af04e0b05f71892ba983b
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SHA512
49241bc3a906ee14a1f863ec8a10a40504e5194a620313da4e37c483e36a973fa66555d4798da078de7893ca0583feeb9994688422060073a335cc3bd9cdacf6
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SSDEEP
6144:eBA6InD7PVaQs6f2kVSxwU0mZx4qUMLWbDAfAqIKnw:eB+nXNbs6f2kVSxwMZ2MLMDA4qIYw
Malware Config
Signatures
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Detects Smokeloader packer 5 IoCs
resource yara_rule behavioral1/memory/3812-141-0x00000000009E0000-0x00000000009E9000-memory.dmp family_smokeloader behavioral1/memory/4784-146-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/4784-147-0x0000000000402DD8-mapping.dmp family_smokeloader behavioral1/memory/4784-161-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/4784-178-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader -
SmokeLoader
Modular backdoor trojan in use since 2014.
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Deletes itself 1 IoCs
pid Process 3040 Process not Found -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3812 set thread context of 4784 3812 3bcbfbbf7cea5dae4a74c004a42375f64eeaea83e16af04e0b05f71892ba983b.exe 66 -
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 3bcbfbbf7cea5dae4a74c004a42375f64eeaea83e16af04e0b05f71892ba983b.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 3bcbfbbf7cea5dae4a74c004a42375f64eeaea83e16af04e0b05f71892ba983b.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 3bcbfbbf7cea5dae4a74c004a42375f64eeaea83e16af04e0b05f71892ba983b.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4784 3bcbfbbf7cea5dae4a74c004a42375f64eeaea83e16af04e0b05f71892ba983b.exe 4784 3bcbfbbf7cea5dae4a74c004a42375f64eeaea83e16af04e0b05f71892ba983b.exe 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3040 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4784 3bcbfbbf7cea5dae4a74c004a42375f64eeaea83e16af04e0b05f71892ba983b.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3812 wrote to memory of 4784 3812 3bcbfbbf7cea5dae4a74c004a42375f64eeaea83e16af04e0b05f71892ba983b.exe 66 PID 3812 wrote to memory of 4784 3812 3bcbfbbf7cea5dae4a74c004a42375f64eeaea83e16af04e0b05f71892ba983b.exe 66 PID 3812 wrote to memory of 4784 3812 3bcbfbbf7cea5dae4a74c004a42375f64eeaea83e16af04e0b05f71892ba983b.exe 66 PID 3812 wrote to memory of 4784 3812 3bcbfbbf7cea5dae4a74c004a42375f64eeaea83e16af04e0b05f71892ba983b.exe 66 PID 3812 wrote to memory of 4784 3812 3bcbfbbf7cea5dae4a74c004a42375f64eeaea83e16af04e0b05f71892ba983b.exe 66 PID 3812 wrote to memory of 4784 3812 3bcbfbbf7cea5dae4a74c004a42375f64eeaea83e16af04e0b05f71892ba983b.exe 66
Processes
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C:\Users\Admin\AppData\Local\Temp\3bcbfbbf7cea5dae4a74c004a42375f64eeaea83e16af04e0b05f71892ba983b.exe"C:\Users\Admin\AppData\Local\Temp\3bcbfbbf7cea5dae4a74c004a42375f64eeaea83e16af04e0b05f71892ba983b.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3812 -
C:\Users\Admin\AppData\Local\Temp\3bcbfbbf7cea5dae4a74c004a42375f64eeaea83e16af04e0b05f71892ba983b.exe"C:\Users\Admin\AppData\Local\Temp\3bcbfbbf7cea5dae4a74c004a42375f64eeaea83e16af04e0b05f71892ba983b.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:4784
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