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Analysis
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max time kernel
151s -
max time network
50s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
12/02/2023, 21:58
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
win10v2004-20220901-en
windows10-2004-x64
10 signatures
150 seconds
General
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Target
file.exe
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Size
180KB
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MD5
0fbd624f1a4c263d6bf69cc3aecbbd0a
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SHA1
869223a42c31744c4834b797333a0ef4092ba2f5
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SHA256
d18e128b5e7f0d6a1d7e4b4c2c7daf8e2ee1768b2cf87e6495d7f596756e911a
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SHA512
4dfc1cb8025bf0d7e810bf1f39b3cf86041b3ae3c3c28d782fa33c236edd35bd593095ce88236b0e83196c1929dcb56a68389a57de4405812db1c8e42f4910d6
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SSDEEP
3072:1KSZkKi5Hvgj3Mm7Z8eXp0nFEEfwm47Fb9Jr9:HKbYj31WspfEfGr9
Score
10/10
Malware Config
Signatures
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Detects Smokeloader packer 5 IoCs
resource yara_rule behavioral1/memory/1420-54-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1420-55-0x0000000000402DD8-mapping.dmp family_smokeloader behavioral1/memory/1352-58-0x00000000001B0000-0x00000000001B9000-memory.dmp family_smokeloader behavioral1/memory/1420-59-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1420-60-0x0000000000400000-0x0000000000409000-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 1352 set thread context of 1420 1352 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 queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1420 file.exe 1420 file.exe 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1208 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1420 file.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1352 wrote to memory of 1420 1352 file.exe 27 PID 1352 wrote to memory of 1420 1352 file.exe 27 PID 1352 wrote to memory of 1420 1352 file.exe 27 PID 1352 wrote to memory of 1420 1352 file.exe 27 PID 1352 wrote to memory of 1420 1352 file.exe 27 PID 1352 wrote to memory of 1420 1352 file.exe 27 PID 1352 wrote to memory of 1420 1352 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:1352 -
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:1420
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