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Analysis
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max time kernel
196s -
max time network
197s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
27/11/2022, 19:40
Static task
static1
Behavioral task
behavioral1
Sample
b652a30850ea8253bd4a5c72c9da1cd19e42245467c6789c9d4123188aee4594.exe
Resource
win10v2004-20221111-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
b652a30850ea8253bd4a5c72c9da1cd19e42245467c6789c9d4123188aee4594.exe
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Size
149KB
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MD5
89133b5e7431ed0fe71d82bd9f17f917
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SHA1
5fe512cd7bf975fbf87e29607523ddc0f628579e
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SHA256
b652a30850ea8253bd4a5c72c9da1cd19e42245467c6789c9d4123188aee4594
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SHA512
1603ccff337336190c2b816e1a98ce2852df55d9effe91da1195e3ba7b54d352fca01842b81e8399b95f13faa1917a7008ff2151eec884aaa845e9e1528a3d43
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SSDEEP
3072:m2GwqGdpBQ78Pv/3w5WGC8XXiM/D1z+i085Qa:Wkpi8n/BrQyM/l+O2
Score
10/10
Malware Config
Signatures
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Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral1/memory/3136-134-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/792-136-0x00000000004A0000-0x00000000004A9000-memory.dmp family_smokeloader behavioral1/memory/3136-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/3136-138-0x0000000000400000-0x0000000000409000-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 792 set thread context of 3136 792 b652a30850ea8253bd4a5c72c9da1cd19e42245467c6789c9d4123188aee4594.exe 83 -
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 b652a30850ea8253bd4a5c72c9da1cd19e42245467c6789c9d4123188aee4594.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI b652a30850ea8253bd4a5c72c9da1cd19e42245467c6789c9d4123188aee4594.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI b652a30850ea8253bd4a5c72c9da1cd19e42245467c6789c9d4123188aee4594.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3136 b652a30850ea8253bd4a5c72c9da1cd19e42245467c6789c9d4123188aee4594.exe 3136 b652a30850ea8253bd4a5c72c9da1cd19e42245467c6789c9d4123188aee4594.exe 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2176 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 3136 b652a30850ea8253bd4a5c72c9da1cd19e42245467c6789c9d4123188aee4594.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 792 wrote to memory of 3136 792 b652a30850ea8253bd4a5c72c9da1cd19e42245467c6789c9d4123188aee4594.exe 83 PID 792 wrote to memory of 3136 792 b652a30850ea8253bd4a5c72c9da1cd19e42245467c6789c9d4123188aee4594.exe 83 PID 792 wrote to memory of 3136 792 b652a30850ea8253bd4a5c72c9da1cd19e42245467c6789c9d4123188aee4594.exe 83 PID 792 wrote to memory of 3136 792 b652a30850ea8253bd4a5c72c9da1cd19e42245467c6789c9d4123188aee4594.exe 83 PID 792 wrote to memory of 3136 792 b652a30850ea8253bd4a5c72c9da1cd19e42245467c6789c9d4123188aee4594.exe 83 PID 792 wrote to memory of 3136 792 b652a30850ea8253bd4a5c72c9da1cd19e42245467c6789c9d4123188aee4594.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\b652a30850ea8253bd4a5c72c9da1cd19e42245467c6789c9d4123188aee4594.exe"C:\Users\Admin\AppData\Local\Temp\b652a30850ea8253bd4a5c72c9da1cd19e42245467c6789c9d4123188aee4594.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:792 -
C:\Users\Admin\AppData\Local\Temp\b652a30850ea8253bd4a5c72c9da1cd19e42245467c6789c9d4123188aee4594.exe"C:\Users\Admin\AppData\Local\Temp\b652a30850ea8253bd4a5c72c9da1cd19e42245467c6789c9d4123188aee4594.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:3136
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