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Analysis
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max time kernel
150s -
max time network
140s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
11/09/2022, 07:31
Static task
static1
Behavioral task
behavioral1
Sample
38f7dcc3b99ec4cf26e75b5efd8737a0.exe
Resource
win7-20220812-en
windows7-x64
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
38f7dcc3b99ec4cf26e75b5efd8737a0.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
10 signatures
150 seconds
General
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Target
38f7dcc3b99ec4cf26e75b5efd8737a0.exe
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Size
306KB
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MD5
38f7dcc3b99ec4cf26e75b5efd8737a0
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SHA1
e8210ebe90b1a0a15375f77a8dae99a850075d5a
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SHA256
25d28828af0777e479fb7f494b154a6b3d31239ba08799dfd072fb6c157c51e3
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SHA512
d4cfe07b71eab2031c4c049cabe7873e871a347ab329ba7479a866a377d38ecdae8e1c32ad38c76bc72d009cf6b590d49510d72f74935ae6bf2f7b569e2c38de
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SSDEEP
6144:e95lpe83wmO2qbzpdGaz0KrPu0zNkc0Vbs3ac7D1p:eppeLmxqPzGgNrPu0OhVbkl7D
Score
10/10
Malware Config
Signatures
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Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/4988-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/3292-135-0x0000000000980000-0x0000000000989000-memory.dmp family_smokeloader behavioral2/memory/4988-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4988-137-0x0000000000400000-0x0000000000409000-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 3292 set thread context of 4988 3292 38f7dcc3b99ec4cf26e75b5efd8737a0.exe 83 -
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 38f7dcc3b99ec4cf26e75b5efd8737a0.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 38f7dcc3b99ec4cf26e75b5efd8737a0.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 38f7dcc3b99ec4cf26e75b5efd8737a0.exe -
Modifies registry class 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\ Process not Found Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\ Process not Found -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4988 38f7dcc3b99ec4cf26e75b5efd8737a0.exe 4988 38f7dcc3b99ec4cf26e75b5efd8737a0.exe 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 376 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4988 38f7dcc3b99ec4cf26e75b5efd8737a0.exe -
Suspicious use of AdjustPrivilegeToken 16 IoCs
description pid Process Token: SeShutdownPrivilege 376 Process not Found Token: SeCreatePagefilePrivilege 376 Process not Found Token: SeShutdownPrivilege 376 Process not Found Token: SeCreatePagefilePrivilege 376 Process not Found Token: SeShutdownPrivilege 376 Process not Found Token: SeCreatePagefilePrivilege 376 Process not Found Token: SeShutdownPrivilege 376 Process not Found Token: SeCreatePagefilePrivilege 376 Process not Found Token: SeShutdownPrivilege 376 Process not Found Token: SeCreatePagefilePrivilege 376 Process not Found Token: SeShutdownPrivilege 376 Process not Found Token: SeCreatePagefilePrivilege 376 Process not Found Token: SeShutdownPrivilege 376 Process not Found Token: SeCreatePagefilePrivilege 376 Process not Found Token: SeShutdownPrivilege 376 Process not Found Token: SeCreatePagefilePrivilege 376 Process not Found -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3292 wrote to memory of 4988 3292 38f7dcc3b99ec4cf26e75b5efd8737a0.exe 83 PID 3292 wrote to memory of 4988 3292 38f7dcc3b99ec4cf26e75b5efd8737a0.exe 83 PID 3292 wrote to memory of 4988 3292 38f7dcc3b99ec4cf26e75b5efd8737a0.exe 83 PID 3292 wrote to memory of 4988 3292 38f7dcc3b99ec4cf26e75b5efd8737a0.exe 83 PID 3292 wrote to memory of 4988 3292 38f7dcc3b99ec4cf26e75b5efd8737a0.exe 83 PID 3292 wrote to memory of 4988 3292 38f7dcc3b99ec4cf26e75b5efd8737a0.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\38f7dcc3b99ec4cf26e75b5efd8737a0.exe"C:\Users\Admin\AppData\Local\Temp\38f7dcc3b99ec4cf26e75b5efd8737a0.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3292 -
C:\Users\Admin\AppData\Local\Temp\38f7dcc3b99ec4cf26e75b5efd8737a0.exe"C:\Users\Admin\AppData\Local\Temp\38f7dcc3b99ec4cf26e75b5efd8737a0.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:4988
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