Analysis
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max time kernel
151s -
max time network
140s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-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 4 IoCs
resource yara_rule behavioral2/memory/380-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4984-135-0x0000000002200000-0x0000000002209000-memory.dmp family_smokeloader behavioral2/memory/380-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/380-137-0x0000000000400000-0x0000000000409000-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 4984 set thread context of 380 4984 file.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 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 380 file.exe 380 file.exe 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 760 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 380 file.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4984 wrote to memory of 380 4984 file.exe 83 PID 4984 wrote to memory of 380 4984 file.exe 83 PID 4984 wrote to memory of 380 4984 file.exe 83 PID 4984 wrote to memory of 380 4984 file.exe 83 PID 4984 wrote to memory of 380 4984 file.exe 83 PID 4984 wrote to memory of 380 4984 file.exe 83
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:4984 -
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:380
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