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Analysis
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max time kernel
150s -
max time network
33s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
31/12/2022, 17:45
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20221111-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
file.exe
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Size
256KB
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MD5
8f6be9f2111a5fc93e49f856a862e716
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SHA1
1f1787c0433a4a5a761f91fbeb8e2049be9b8a3e
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SHA256
bc92a03dfef401f7e6f62c5cbe087e57df471d12c75831f368d88b7972e4339b
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SHA512
c23adfba55048d0c2db00adcc80dbf70ea3482bb559da62625150363a0e4c79a9d48c984826ce76955b3c7616ad37f121ce176f188c9968089e912159ba75903
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SSDEEP
3072:r2xDZm7uIQLLL8deq+RpqGqg6WAvXsnYmydhidT/TZmqKyBpwGw27hZY:eeALceqoGgm/3m6hQjQRyjj9ZY
Score
10/10
Malware Config
Signatures
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Detects Smokeloader packer 5 IoCs
resource yara_rule behavioral1/memory/788-54-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/788-55-0x0000000000402DD8-mapping.dmp family_smokeloader behavioral1/memory/1764-58-0x00000000001B0000-0x00000000001B9000-memory.dmp family_smokeloader behavioral1/memory/788-59-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/788-60-0x0000000000400000-0x0000000000409000-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 1764 set thread context of 788 1764 file.exe 28 -
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 788 file.exe 788 file.exe 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1284 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 788 file.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1764 wrote to memory of 788 1764 file.exe 28 PID 1764 wrote to memory of 788 1764 file.exe 28 PID 1764 wrote to memory of 788 1764 file.exe 28 PID 1764 wrote to memory of 788 1764 file.exe 28 PID 1764 wrote to memory of 788 1764 file.exe 28 PID 1764 wrote to memory of 788 1764 file.exe 28 PID 1764 wrote to memory of 788 1764 file.exe 28
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:1764 -
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:788
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