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
30-01-2023 18:48
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
win10v2004-20220812-en
windows10-2004-x64
10 signatures
150 seconds
General
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Target
file.exe
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Size
168KB
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MD5
c29d4cad0b3ee8e9de9c5072ea8e3e5f
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SHA1
69e2f325b645965bef47b7348930b77cb92c8464
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SHA256
3b49ff1427419b9b0742d7d43df81adeb3e70937ecabc5a010d9a457ef40fb03
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SHA512
acf047ea7559f592aa7b87c9736fd11064183c7bd9547ec821cfcdcd13c9048941a9b045bf8e4a814b9b035bdc1dd457687de3ff08d946de79c3440c14ecf83e
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SSDEEP
3072:IRdO2LAbWCH5XdGmAvhKr8qYigtRecShu/HbQkPQ5:cLMWCZdGN5t5ShuDQq
Score
10/10
Malware Config
Signatures
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Detects Smokeloader packer 5 IoCs
resource yara_rule behavioral1/memory/1808-58-0x0000000000220000-0x0000000000229000-memory.dmp family_smokeloader behavioral1/memory/1056-55-0x0000000000402DD8-mapping.dmp family_smokeloader behavioral1/memory/1056-54-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1056-59-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1056-60-0x0000000000400000-0x0000000000409000-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 1808 set thread context of 1056 1808 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 1056 file.exe 1056 file.exe 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1400 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1056 file.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1808 wrote to memory of 1056 1808 file.exe 27 PID 1808 wrote to memory of 1056 1808 file.exe 27 PID 1808 wrote to memory of 1056 1808 file.exe 27 PID 1808 wrote to memory of 1056 1808 file.exe 27 PID 1808 wrote to memory of 1056 1808 file.exe 27 PID 1808 wrote to memory of 1056 1808 file.exe 27 PID 1808 wrote to memory of 1056 1808 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:1808 -
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:1056
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