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Analysis
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max time kernel
150s -
max time network
49s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
10/02/2023, 15:47
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220901-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20220901-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
file.exe
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Size
357KB
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MD5
82e5e875fbc9dd37c4d355fb140994ff
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SHA1
0eb473e11c318da9cc6e44c0347d68543a08beaf
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SHA256
4df4569a89e92e0aa8656df8c5ed7a9a77ddb45762adbf88b37d12c02212618f
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SHA512
0a1ea6aa9bcb86394fac5885a16eb8930b68b4c37b629b6369001b81a68ee0bf2421aba095c696ad3e570fdf62106055893e0c3718a93c43f57218e2ee1de93c
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SSDEEP
3072:D98+b5+xJauajZRObQZooq+AkeTOOVkyri3QYUCOlDhrbNNfINe709nf6N8LC2UU:J6PvajGbA9dTOCcYUflFBNQvnfW8LC
Score
10/10
Malware Config
Signatures
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Detects Smokeloader packer 5 IoCs
resource yara_rule behavioral1/memory/1640-55-0x0000000000402DD8-mapping.dmp family_smokeloader behavioral1/memory/1640-54-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/892-58-0x0000000000220000-0x0000000000229000-memory.dmp family_smokeloader behavioral1/memory/1640-59-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1640-60-0x0000000000400000-0x0000000000409000-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 892 set thread context of 1640 892 file.exe 27 -
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 1640 file.exe 1640 file.exe 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found 1360 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1360 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1640 file.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 892 wrote to memory of 1640 892 file.exe 27 PID 892 wrote to memory of 1640 892 file.exe 27 PID 892 wrote to memory of 1640 892 file.exe 27 PID 892 wrote to memory of 1640 892 file.exe 27 PID 892 wrote to memory of 1640 892 file.exe 27 PID 892 wrote to memory of 1640 892 file.exe 27 PID 892 wrote to memory of 1640 892 file.exe 27
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:892 -
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:1640
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