Analysis
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max time kernel
150s -
max time network
46s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
06-02-2023 00:12
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220812-en
windows7-x64
7 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
284KB
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MD5
9a2cbe292f23929477d46e4f632ff05a
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SHA1
716ae5cc6ef61ba4296f75bbf8e45dd25273966f
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SHA256
bb9ca75b5e96628ac29a9b14e413198eeaa14cd620ca998cbdc435cbe19cd749
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SHA512
fab00cda107e058554fe0d13380d2aa054e09aafe5683b0b7ff36ea6f4eb4862214572c25f04f85bfde9e06dc1be62ea27fb19705458a719b5d8996243861a42
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SSDEEP
3072:1WaaOLucZgC822PLDZjgEWL/+I554lYQkCd6DHQ3BUIDWdBjuRs:kaaUGZLDZ8ETRlYtCqHQ3/WLC
Score
10/10
Malware Config
Signatures
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Detects Smokeloader packer 5 IoCs
resource yara_rule behavioral1/memory/752-58-0x0000000000220000-0x0000000000229000-memory.dmp family_smokeloader behavioral1/memory/1652-55-0x0000000000402DD8-mapping.dmp family_smokeloader behavioral1/memory/1652-54-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1652-59-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1652-60-0x0000000000400000-0x0000000000409000-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 752 set thread context of 1652 752 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 1652 file.exe 1652 file.exe 1388 Process not Found 1388 Process not Found 1388 Process not Found 1388 Process not Found 1388 Process not Found 1388 Process not Found 1388 Process not Found 1388 Process not Found 1388 Process not Found 1388 Process not Found 1388 Process not Found 1388 Process not Found 1388 Process not Found 1388 Process not Found 1388 Process not Found 1388 Process not Found 1388 Process not Found 1388 Process not Found 1388 Process not Found 1388 Process not Found 1388 Process not Found 1388 Process not Found 1388 Process not Found 1388 Process not Found 1388 Process not Found 1388 Process not Found 1388 Process not Found 1388 Process not Found 1388 Process not Found 1388 Process not Found 1388 Process not Found 1388 Process not Found 1388 Process not Found 1388 Process not Found 1388 Process not Found 1388 Process not Found 1388 Process not Found 1388 Process not Found 1388 Process not Found 1388 Process not Found 1388 Process not Found 1388 Process not Found 1388 Process not Found 1388 Process not Found 1388 Process not Found 1388 Process not Found 1388 Process not Found 1388 Process not Found 1388 Process not Found 1388 Process not Found 1388 Process not Found 1388 Process not Found 1388 Process not Found 1388 Process not Found 1388 Process not Found 1388 Process not Found 1388 Process not Found 1388 Process not Found 1388 Process not Found 1388 Process not Found 1388 Process not Found 1388 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1652 file.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 752 wrote to memory of 1652 752 file.exe 27 PID 752 wrote to memory of 1652 752 file.exe 27 PID 752 wrote to memory of 1652 752 file.exe 27 PID 752 wrote to memory of 1652 752 file.exe 27 PID 752 wrote to memory of 1652 752 file.exe 27 PID 752 wrote to memory of 1652 752 file.exe 27 PID 752 wrote to memory of 1652 752 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:752 -
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:1652
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