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Analysis
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max time kernel
150s -
max time network
145s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
31/12/2022, 07:33
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
win10v2004-20221111-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
file.exe
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Size
288KB
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MD5
bac76068902d69b4272fc1603ef3d90a
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SHA1
a08f2e4afa8db340a642f5bf9dc6cb1ca54fdab4
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SHA256
bc45a3a498bf49b25198244ae05b0034489431173b83041ee73075406305bee4
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SHA512
7be8f03ad73785905edf71379832727ad454ee65991b0990257613cfcc0004991fee99c4302b0c4df8234346081db225aa7d251389d1b0f013967e23da4b5108
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SSDEEP
3072:QVS6WP96HLLrXBOobQtRMqNhp8k5wtzh9ITSmdGOgLqI6v+8U9SkEqwi:7zPErL1OobQjNokyv/GU628UIkEq
Score
10/10
Malware Config
Signatures
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Detects Smokeloader packer 5 IoCs
resource yara_rule behavioral2/memory/4688-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4688-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/2016-135-0x0000000000800000-0x0000000000809000-memory.dmp family_smokeloader behavioral2/memory/4688-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4688-138-0x0000000000400000-0x0000000000409000-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 2016 set thread context of 4688 2016 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 4688 file.exe 4688 file.exe 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found 2080 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2080 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4688 file.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2016 wrote to memory of 4688 2016 file.exe 83 PID 2016 wrote to memory of 4688 2016 file.exe 83 PID 2016 wrote to memory of 4688 2016 file.exe 83 PID 2016 wrote to memory of 4688 2016 file.exe 83 PID 2016 wrote to memory of 4688 2016 file.exe 83 PID 2016 wrote to memory of 4688 2016 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:2016 -
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:4688
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