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Analysis
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max time kernel
151s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
08/09/2022, 11:24
Static task
static1
Behavioral task
behavioral1
Sample
3fdb06f4351bd12295e659f3f7e4e6534f12751d6b7c0d76850c7ec6e01f6611.exe
Resource
win10v2004-20220901-en
General
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Target
3fdb06f4351bd12295e659f3f7e4e6534f12751d6b7c0d76850c7ec6e01f6611.exe
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Size
290KB
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MD5
063178fbaaaa6ffc6c0725878c40f4c6
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SHA1
8dd26e2be3e4b9201f99f6a3bf0e4ce20cbd39c3
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SHA256
3fdb06f4351bd12295e659f3f7e4e6534f12751d6b7c0d76850c7ec6e01f6611
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SHA512
0ff75bd251f97bd84486617c5ae3494bad87946bed91c889bf3c2e32f1f53996c0bfffcce41019564f4bb4a41b6c3313b01552c0421544e7618842d8871b3eb7
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SSDEEP
6144:shnQlq8xOEgoWDITr3qycv0gCRFb1UNLNTlk8niWNw2oy:HlIEgoWYbqycv0f1UNL3n54
Malware Config
Signatures
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Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral1/memory/4616-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1092-135-0x00000000001C0000-0x00000000001C9000-memory.dmp family_smokeloader behavioral1/memory/4616-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/4616-137-0x0000000000400000-0x0000000000409000-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 1092 set thread context of 4616 1092 3fdb06f4351bd12295e659f3f7e4e6534f12751d6b7c0d76850c7ec6e01f6611.exe 86 -
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 3fdb06f4351bd12295e659f3f7e4e6534f12751d6b7c0d76850c7ec6e01f6611.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 3fdb06f4351bd12295e659f3f7e4e6534f12751d6b7c0d76850c7ec6e01f6611.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 3fdb06f4351bd12295e659f3f7e4e6534f12751d6b7c0d76850c7ec6e01f6611.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4616 3fdb06f4351bd12295e659f3f7e4e6534f12751d6b7c0d76850c7ec6e01f6611.exe 4616 3fdb06f4351bd12295e659f3f7e4e6534f12751d6b7c0d76850c7ec6e01f6611.exe 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3004 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4616 3fdb06f4351bd12295e659f3f7e4e6534f12751d6b7c0d76850c7ec6e01f6611.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeShutdownPrivilege 3004 Process not Found Token: SeCreatePagefilePrivilege 3004 Process not Found Token: SeShutdownPrivilege 3004 Process not Found Token: SeCreatePagefilePrivilege 3004 Process not Found Token: SeShutdownPrivilege 3004 Process not Found Token: SeCreatePagefilePrivilege 3004 Process not Found Token: SeShutdownPrivilege 3004 Process not Found Token: SeCreatePagefilePrivilege 3004 Process not Found Token: SeShutdownPrivilege 3004 Process not Found Token: SeCreatePagefilePrivilege 3004 Process not Found Token: SeShutdownPrivilege 3004 Process not Found Token: SeCreatePagefilePrivilege 3004 Process not Found -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1092 wrote to memory of 4616 1092 3fdb06f4351bd12295e659f3f7e4e6534f12751d6b7c0d76850c7ec6e01f6611.exe 86 PID 1092 wrote to memory of 4616 1092 3fdb06f4351bd12295e659f3f7e4e6534f12751d6b7c0d76850c7ec6e01f6611.exe 86 PID 1092 wrote to memory of 4616 1092 3fdb06f4351bd12295e659f3f7e4e6534f12751d6b7c0d76850c7ec6e01f6611.exe 86 PID 1092 wrote to memory of 4616 1092 3fdb06f4351bd12295e659f3f7e4e6534f12751d6b7c0d76850c7ec6e01f6611.exe 86 PID 1092 wrote to memory of 4616 1092 3fdb06f4351bd12295e659f3f7e4e6534f12751d6b7c0d76850c7ec6e01f6611.exe 86 PID 1092 wrote to memory of 4616 1092 3fdb06f4351bd12295e659f3f7e4e6534f12751d6b7c0d76850c7ec6e01f6611.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\3fdb06f4351bd12295e659f3f7e4e6534f12751d6b7c0d76850c7ec6e01f6611.exe"C:\Users\Admin\AppData\Local\Temp\3fdb06f4351bd12295e659f3f7e4e6534f12751d6b7c0d76850c7ec6e01f6611.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1092 -
C:\Users\Admin\AppData\Local\Temp\3fdb06f4351bd12295e659f3f7e4e6534f12751d6b7c0d76850c7ec6e01f6611.exe"C:\Users\Admin\AppData\Local\Temp\3fdb06f4351bd12295e659f3f7e4e6534f12751d6b7c0d76850c7ec6e01f6611.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:4616
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