Analysis
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max time kernel
185s -
max time network
208s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
25-11-2022 10:36
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
8 signatures
150 seconds
General
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Target
file.exe
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Size
174KB
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MD5
f065b78850b011e6ab99cd2aa5c38eec
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SHA1
bbb9cb0f7a1cf891b35dfdb4a1bfb8c7377cd3b3
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SHA256
afafd19335dd016d44d67a06b437a936c978fa0b32e79a7bbea437d2718b59d9
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SHA512
86251fb2445c59a68c3185ea982185b96c85f17c393316894917cf003c03a72c8ebcadaf54564a0b0a1f9405726d63d4e2b3c09b2407b343e93ee9c0bac497d5
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SSDEEP
3072:8ID7ZwBrmLwWzXJ15paRwq/+s/6Va5w86Ac28t8a+W:/mBaLwWDuSA6DAc28qW
Score
10/10
Malware Config
Signatures
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Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/5024-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/3516-139-0x00000000001C0000-0x00000000001C9000-memory.dmp family_smokeloader behavioral2/memory/5024-140-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/5024-141-0x0000000000400000-0x0000000000409000-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 3516 set thread context of 5024 3516 file.exe 82 -
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 5024 file.exe 5024 file.exe 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3080 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 5024 file.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3516 wrote to memory of 5024 3516 file.exe 82 PID 3516 wrote to memory of 5024 3516 file.exe 82 PID 3516 wrote to memory of 5024 3516 file.exe 82 PID 3516 wrote to memory of 5024 3516 file.exe 82 PID 3516 wrote to memory of 5024 3516 file.exe 82 PID 3516 wrote to memory of 5024 3516 file.exe 82
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:3516 -
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:5024
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