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Analysis
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max time kernel
151s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
24/09/2022, 03:04
Static task
static1
Behavioral task
behavioral1
Sample
8b43bfa0edf882141e73f0f3816e64850ec3d9d6266797af42425a9e7787b58e.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
8b43bfa0edf882141e73f0f3816e64850ec3d9d6266797af42425a9e7787b58e.exe
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Size
199KB
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MD5
c2aa326829221b741b57e5978fce0221
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SHA1
e7e8ac23348ff98e8b2cdcdfd3e3031ab24ef881
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SHA256
8b43bfa0edf882141e73f0f3816e64850ec3d9d6266797af42425a9e7787b58e
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SHA512
d19dded06de051f3a0c84ed20e2fec88bc0498edbb3f24b302f32a3dbcf3881714d4b16d87aeba5528c57500c6f355862bf454a976610f9a257ccd37608308b6
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SSDEEP
3072:dwSXtbXLBvTn485Y9dmWrhVXrqjiLxqAoyBlMf8/Pkj4x:dlrLZnmmwx+iFq
Score
10/10
Malware Config
Signatures
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Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral1/memory/1792-134-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/5036-135-0x00000000022C0000-0x00000000022C9000-memory.dmp family_smokeloader behavioral1/memory/1792-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1792-137-0x0000000000400000-0x0000000000409000-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 5036 set thread context of 1792 5036 8b43bfa0edf882141e73f0f3816e64850ec3d9d6266797af42425a9e7787b58e.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 8b43bfa0edf882141e73f0f3816e64850ec3d9d6266797af42425a9e7787b58e.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 8b43bfa0edf882141e73f0f3816e64850ec3d9d6266797af42425a9e7787b58e.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 8b43bfa0edf882141e73f0f3816e64850ec3d9d6266797af42425a9e7787b58e.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1792 8b43bfa0edf882141e73f0f3816e64850ec3d9d6266797af42425a9e7787b58e.exe 1792 8b43bfa0edf882141e73f0f3816e64850ec3d9d6266797af42425a9e7787b58e.exe 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3032 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1792 8b43bfa0edf882141e73f0f3816e64850ec3d9d6266797af42425a9e7787b58e.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 5036 wrote to memory of 1792 5036 8b43bfa0edf882141e73f0f3816e64850ec3d9d6266797af42425a9e7787b58e.exe 81 PID 5036 wrote to memory of 1792 5036 8b43bfa0edf882141e73f0f3816e64850ec3d9d6266797af42425a9e7787b58e.exe 81 PID 5036 wrote to memory of 1792 5036 8b43bfa0edf882141e73f0f3816e64850ec3d9d6266797af42425a9e7787b58e.exe 81 PID 5036 wrote to memory of 1792 5036 8b43bfa0edf882141e73f0f3816e64850ec3d9d6266797af42425a9e7787b58e.exe 81 PID 5036 wrote to memory of 1792 5036 8b43bfa0edf882141e73f0f3816e64850ec3d9d6266797af42425a9e7787b58e.exe 81 PID 5036 wrote to memory of 1792 5036 8b43bfa0edf882141e73f0f3816e64850ec3d9d6266797af42425a9e7787b58e.exe 81
Processes
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C:\Users\Admin\AppData\Local\Temp\8b43bfa0edf882141e73f0f3816e64850ec3d9d6266797af42425a9e7787b58e.exe"C:\Users\Admin\AppData\Local\Temp\8b43bfa0edf882141e73f0f3816e64850ec3d9d6266797af42425a9e7787b58e.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:5036 -
C:\Users\Admin\AppData\Local\Temp\8b43bfa0edf882141e73f0f3816e64850ec3d9d6266797af42425a9e7787b58e.exe"C:\Users\Admin\AppData\Local\Temp\8b43bfa0edf882141e73f0f3816e64850ec3d9d6266797af42425a9e7787b58e.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:1792
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