Analysis
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max time kernel
150s -
max time network
30s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
06-02-2023 18:10
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20221111-en
General
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Target
file.exe
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Size
298KB
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MD5
c4002765eba36a4edfd686e94e9d8697
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SHA1
ec225d856b44d8c18045ccbd261608b92b8945c0
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SHA256
ca179fcb1ba76d3d2b46ddf0303fc54d1c7100d83aa95bcbbf793e6a97dad677
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SHA512
51380913a143f6bd7eac3c955dd982cd2ae27f6293c3cd46c08e426eab0583fee55c813d04346fae015cae5090d29b9cf4d9cc3290e549ce86bb0cd2da6ee368
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SSDEEP
6144:C2/zBELWp+OHzmii3swQze76fuQj9Ctj7la:CaBEKIOSii8wQKsljctl
Malware Config
Signatures
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Detects Smokeloader packer 5 IoCs
Processes:
resource yara_rule behavioral1/memory/1692-54-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1692-55-0x0000000000402DD8-mapping.dmp family_smokeloader behavioral1/memory/1972-58-0x0000000000220000-0x0000000000229000-memory.dmp family_smokeloader behavioral1/memory/1692-59-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1692-60-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader -
SmokeLoader
Modular backdoor trojan in use since 2014.
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Suspicious use of SetThreadContext 1 IoCs
Processes:
file.exedescription pid process target process PID 1972 set thread context of 1692 1972 file.exe file.exe -
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
Processes:
file.exedescription 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
Processes:
file.exepid process 1692 file.exe 1692 file.exe 1212 1212 1212 1212 1212 1212 1212 1212 1212 1212 1212 1212 1212 1212 1212 1212 1212 1212 1212 1212 1212 1212 1212 1212 1212 1212 1212 1212 1212 1212 1212 1212 1212 1212 1212 1212 1212 1212 1212 1212 1212 1212 1212 1212 1212 1212 1212 1212 1212 1212 1212 1212 1212 1212 1212 1212 1212 1212 1212 1212 1212 1212 -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
pid process 1212 -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
file.exepid process 1692 file.exe -
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
file.exedescription pid process target process PID 1972 wrote to memory of 1692 1972 file.exe file.exe PID 1972 wrote to memory of 1692 1972 file.exe file.exe PID 1972 wrote to memory of 1692 1972 file.exe file.exe PID 1972 wrote to memory of 1692 1972 file.exe file.exe PID 1972 wrote to memory of 1692 1972 file.exe file.exe PID 1972 wrote to memory of 1692 1972 file.exe file.exe PID 1972 wrote to memory of 1692 1972 file.exe file.exe
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
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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
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/1692-54-0x0000000000400000-0x0000000000409000-memory.dmpFilesize
36KB
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memory/1692-55-0x0000000000402DD8-mapping.dmp
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memory/1692-57-0x0000000076931000-0x0000000076933000-memory.dmpFilesize
8KB
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memory/1692-59-0x0000000000400000-0x0000000000409000-memory.dmpFilesize
36KB
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memory/1692-60-0x0000000000400000-0x0000000000409000-memory.dmpFilesize
36KB
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memory/1972-58-0x0000000000220000-0x0000000000229000-memory.dmpFilesize
36KB
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memory/1972-56-0x00000000005EC000-0x0000000000601000-memory.dmpFilesize
84KB