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Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
01/02/2023, 04:09
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20221111-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
11 signatures
150 seconds
General
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Target
file.exe
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Size
299KB
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MD5
bb70991c845df5f4974e753d90a5d1cd
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SHA1
35b0471b6e95ab79261f38afb9b13b3ccd1eaa1d
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SHA256
03951c5b4724f5ea3074855da67088226f3ce343f0eb33b6331e4a48de0758e4
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SHA512
ce4893c64800568cced2db279a412cb17da6cbdb708ef083c8d7b12e9f6e36270ec99c2ea8c726292c617764f4c59642c35ab6b74477fbd1f2554285766475d6
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SSDEEP
6144:todLBBlMyXAsNH/I2KbY2zkmqMoISx8M:tq9lX7qE2zrqM+
Score
10/10
Malware Config
Signatures
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Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/2696-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/3812-135-0x0000000000530000-0x0000000000539000-memory.dmp family_smokeloader behavioral2/memory/2696-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/2696-137-0x0000000000400000-0x0000000000409000-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 3812 set thread context of 2696 3812 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 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 -
Modifies registry class 3 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\ Process not Found Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ Process not Found Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\ Process not Found -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2696 file.exe 2696 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 2696 file.exe -
Suspicious use of AdjustPrivilegeToken 14 IoCs
description pid Process Token: SeShutdownPrivilege 3080 Process not Found Token: SeCreatePagefilePrivilege 3080 Process not Found Token: SeShutdownPrivilege 3080 Process not Found Token: SeCreatePagefilePrivilege 3080 Process not Found Token: SeShutdownPrivilege 3080 Process not Found Token: SeCreatePagefilePrivilege 3080 Process not Found Token: SeShutdownPrivilege 3080 Process not Found Token: SeCreatePagefilePrivilege 3080 Process not Found Token: SeShutdownPrivilege 3080 Process not Found Token: SeCreatePagefilePrivilege 3080 Process not Found Token: SeShutdownPrivilege 3080 Process not Found Token: SeCreatePagefilePrivilege 3080 Process not Found Token: SeShutdownPrivilege 3080 Process not Found Token: SeCreatePagefilePrivilege 3080 Process not Found -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 3080 Process not Found 3080 Process not Found -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3812 wrote to memory of 2696 3812 file.exe 82 PID 3812 wrote to memory of 2696 3812 file.exe 82 PID 3812 wrote to memory of 2696 3812 file.exe 82 PID 3812 wrote to memory of 2696 3812 file.exe 82 PID 3812 wrote to memory of 2696 3812 file.exe 82 PID 3812 wrote to memory of 2696 3812 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:3812 -
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:2696
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