Analysis
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max time kernel
150s -
max time network
144s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
14/02/2023, 18:52
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
8 signatures
150 seconds
General
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Target
file.exe
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Size
192KB
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MD5
0745f9cbe847976a12d0d18d3a07fd54
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SHA1
5343321f4dc32b0d51603ffde80faec955281f05
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SHA256
adf1ac1ff9cfa8a9796442dd18b9aa2180a0c9806353e7f6d3e6e92c00fe1914
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SHA512
759aa970a86f46be03490b075a28311af89f1822eddadae9f3f7a71f055ea4aa44026b11920b87d88efff1859c7ec9676a4b168c5617150e72106c463e2f6981
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SSDEEP
3072:ddhLow1h45V3hfF4BOZSSYX894RtCwof1mXX+cedr6:hLBhk3LwOTGCwofMAd
Score
10/10
Malware Config
Signatures
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Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/1432-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/3912-135-0x00000000007D0000-0x00000000007D9000-memory.dmp family_smokeloader behavioral2/memory/1432-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/1432-137-0x0000000000400000-0x0000000000409000-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 3912 set thread context of 1432 3912 file.exe 76 -
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1432 file.exe 1432 file.exe 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found 532 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 532 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1432 file.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3912 wrote to memory of 1432 3912 file.exe 76 PID 3912 wrote to memory of 1432 3912 file.exe 76 PID 3912 wrote to memory of 1432 3912 file.exe 76 PID 3912 wrote to memory of 1432 3912 file.exe 76 PID 3912 wrote to memory of 1432 3912 file.exe 76 PID 3912 wrote to memory of 1432 3912 file.exe 76
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:3912 -
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:1432
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