Analysis
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max time kernel
150s -
max time network
45s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
10-01-2023 19:45
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
win10v2004-20221111-en
windows10-2004-x64
9 signatures
150 seconds
General
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Target
file.exe
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Size
278KB
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MD5
b74f082807bed2841cfd1980c2b885c7
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SHA1
d213dc44e0120154b394e685056325bfbf86c60a
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SHA256
a4ecdf8932b6ffd5e81968cea82dc498d3407ffa15d20fab888f8d9ea39adc51
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SHA512
2b6efe1ed8918b4cbdf9aa47fdebf4179d286015484cd6564a2792707f52654c26c56c482bb09d754b90da73eb9f20100c9c27db22b9f4171482ef76a03ff035
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SSDEEP
3072:hXEasU/DR5BiOLymIxzM1eGo5ZaIxMwnl4ULuLWvxdX2m4FwCpjKpEAHQLj/f+:FRDRlL+xzaeGlwqKuexFnEmQLr
Score
10/10
Malware Config
Signatures
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Detects Smokeloader packer 5 IoCs
resource yara_rule behavioral1/memory/2032-55-0x0000000000402DD8-mapping.dmp family_smokeloader behavioral1/memory/2032-54-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1488-58-0x0000000000220000-0x0000000000229000-memory.dmp family_smokeloader behavioral1/memory/2032-59-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/2032-60-0x0000000000400000-0x0000000000409000-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 1488 set thread context of 2032 1488 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 2032 file.exe 2032 file.exe 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2032 file.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1488 wrote to memory of 2032 1488 file.exe 27 PID 1488 wrote to memory of 2032 1488 file.exe 27 PID 1488 wrote to memory of 2032 1488 file.exe 27 PID 1488 wrote to memory of 2032 1488 file.exe 27 PID 1488 wrote to memory of 2032 1488 file.exe 27 PID 1488 wrote to memory of 2032 1488 file.exe 27 PID 1488 wrote to memory of 2032 1488 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:1488 -
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:2032
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