Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
01-01-2023 18:39
Static task
static1
Behavioral task
behavioral1
Sample
b2840b48afe6d10fd0922a6287be408d630f68d3853d7ceb97ffea01511d9fc3.exe
Resource
win7-20220901-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
b2840b48afe6d10fd0922a6287be408d630f68d3853d7ceb97ffea01511d9fc3.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
b2840b48afe6d10fd0922a6287be408d630f68d3853d7ceb97ffea01511d9fc3.exe
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Size
241KB
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MD5
edab7196fd74b6f7d832c5ab50cd83e6
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SHA1
48a1cb92676bd9748d2cf6d699212d51fb2bf7ea
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SHA256
b2840b48afe6d10fd0922a6287be408d630f68d3853d7ceb97ffea01511d9fc3
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SHA512
ac178a1ef320fae801afcfce2e937caadd13405095724691e3c324781f76982a04a877beae9989ce9331d2a56eede246d511131a19e7d3b9109a7e24ef779d9b
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SSDEEP
3072:S8X5CBtiqFLtSITR9d/U/56mFalcchbp1tk7wKgi6O0D1jTtSWkiOUjg6OM2nvQu:fRqFL9d8wc0bBJHO+jpONrV4b7i
Score
10/10
Malware Config
Signatures
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Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/4380-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4600-135-0x00000000005F0000-0x00000000005F9000-memory.dmp family_smokeloader behavioral2/memory/4380-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4380-137-0x0000000000400000-0x0000000000409000-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 4600 set thread context of 4380 4600 b2840b48afe6d10fd0922a6287be408d630f68d3853d7ceb97ffea01511d9fc3.exe 81 -
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 b2840b48afe6d10fd0922a6287be408d630f68d3853d7ceb97ffea01511d9fc3.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI b2840b48afe6d10fd0922a6287be408d630f68d3853d7ceb97ffea01511d9fc3.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI b2840b48afe6d10fd0922a6287be408d630f68d3853d7ceb97ffea01511d9fc3.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4380 b2840b48afe6d10fd0922a6287be408d630f68d3853d7ceb97ffea01511d9fc3.exe 4380 b2840b48afe6d10fd0922a6287be408d630f68d3853d7ceb97ffea01511d9fc3.exe 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found 2592 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2592 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4380 b2840b48afe6d10fd0922a6287be408d630f68d3853d7ceb97ffea01511d9fc3.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4600 wrote to memory of 4380 4600 b2840b48afe6d10fd0922a6287be408d630f68d3853d7ceb97ffea01511d9fc3.exe 81 PID 4600 wrote to memory of 4380 4600 b2840b48afe6d10fd0922a6287be408d630f68d3853d7ceb97ffea01511d9fc3.exe 81 PID 4600 wrote to memory of 4380 4600 b2840b48afe6d10fd0922a6287be408d630f68d3853d7ceb97ffea01511d9fc3.exe 81 PID 4600 wrote to memory of 4380 4600 b2840b48afe6d10fd0922a6287be408d630f68d3853d7ceb97ffea01511d9fc3.exe 81 PID 4600 wrote to memory of 4380 4600 b2840b48afe6d10fd0922a6287be408d630f68d3853d7ceb97ffea01511d9fc3.exe 81 PID 4600 wrote to memory of 4380 4600 b2840b48afe6d10fd0922a6287be408d630f68d3853d7ceb97ffea01511d9fc3.exe 81
Processes
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C:\Users\Admin\AppData\Local\Temp\b2840b48afe6d10fd0922a6287be408d630f68d3853d7ceb97ffea01511d9fc3.exe"C:\Users\Admin\AppData\Local\Temp\b2840b48afe6d10fd0922a6287be408d630f68d3853d7ceb97ffea01511d9fc3.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4600 -
C:\Users\Admin\AppData\Local\Temp\b2840b48afe6d10fd0922a6287be408d630f68d3853d7ceb97ffea01511d9fc3.exe"C:\Users\Admin\AppData\Local\Temp\b2840b48afe6d10fd0922a6287be408d630f68d3853d7ceb97ffea01511d9fc3.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:4380
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