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Analysis
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max time kernel
201s -
max time network
215s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
05/12/2022, 23:14
Static task
static1
Behavioral task
behavioral1
Sample
58375e8337ff554dd839c76e89063cb2f10a535bf73d12b1d76ff39a78ed080c.exe
Resource
win10v2004-20221111-en
windows10-2004-x64
10 signatures
150 seconds
General
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Target
58375e8337ff554dd839c76e89063cb2f10a535bf73d12b1d76ff39a78ed080c.exe
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Size
273KB
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MD5
aed364dcf552131475502f2bf43f83b8
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SHA1
d51e36e79dca5b45a1899cd297f3c9554242e0ed
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SHA256
58375e8337ff554dd839c76e89063cb2f10a535bf73d12b1d76ff39a78ed080c
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SHA512
25c12674e131283ea30031afbbf27ac5714a3eafe87bb2fd621d97f9745cfbb78d6bcfb996ac4646b0be4615dda316ff28f7d5759215455e8a9e93e98d62e883
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SSDEEP
3072:TW2XVgJYo8iJp+RMvLWn5avEwr0ErBnL8KNNA27sE7EiVRvJTcp6X1MfYgV2qs6f:TWeW+2v5vE21lnAg+2797EIDcISHVS
Score
10/10
Malware Config
Signatures
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Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral1/memory/1440-133-0x00000000005E0000-0x00000000005E9000-memory.dmp family_smokeloader behavioral1/memory/3984-135-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/3984-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/3984-138-0x0000000000400000-0x0000000000409000-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 1440 set thread context of 3984 1440 58375e8337ff554dd839c76e89063cb2f10a535bf73d12b1d76ff39a78ed080c.exe 85 -
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 58375e8337ff554dd839c76e89063cb2f10a535bf73d12b1d76ff39a78ed080c.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 58375e8337ff554dd839c76e89063cb2f10a535bf73d12b1d76ff39a78ed080c.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 58375e8337ff554dd839c76e89063cb2f10a535bf73d12b1d76ff39a78ed080c.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-1-5-21-4246620582-653642754-1174164128-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\ Process not Found -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3984 58375e8337ff554dd839c76e89063cb2f10a535bf73d12b1d76ff39a78ed080c.exe 3984 58375e8337ff554dd839c76e89063cb2f10a535bf73d12b1d76ff39a78ed080c.exe 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found 1068 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1068 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 3984 58375e8337ff554dd839c76e89063cb2f10a535bf73d12b1d76ff39a78ed080c.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeShutdownPrivilege 1068 Process not Found Token: SeCreatePagefilePrivilege 1068 Process not Found Token: SeShutdownPrivilege 1068 Process not Found Token: SeCreatePagefilePrivilege 1068 Process not Found -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1440 wrote to memory of 3984 1440 58375e8337ff554dd839c76e89063cb2f10a535bf73d12b1d76ff39a78ed080c.exe 85 PID 1440 wrote to memory of 3984 1440 58375e8337ff554dd839c76e89063cb2f10a535bf73d12b1d76ff39a78ed080c.exe 85 PID 1440 wrote to memory of 3984 1440 58375e8337ff554dd839c76e89063cb2f10a535bf73d12b1d76ff39a78ed080c.exe 85 PID 1440 wrote to memory of 3984 1440 58375e8337ff554dd839c76e89063cb2f10a535bf73d12b1d76ff39a78ed080c.exe 85 PID 1440 wrote to memory of 3984 1440 58375e8337ff554dd839c76e89063cb2f10a535bf73d12b1d76ff39a78ed080c.exe 85 PID 1440 wrote to memory of 3984 1440 58375e8337ff554dd839c76e89063cb2f10a535bf73d12b1d76ff39a78ed080c.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\58375e8337ff554dd839c76e89063cb2f10a535bf73d12b1d76ff39a78ed080c.exe"C:\Users\Admin\AppData\Local\Temp\58375e8337ff554dd839c76e89063cb2f10a535bf73d12b1d76ff39a78ed080c.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1440 -
C:\Users\Admin\AppData\Local\Temp\58375e8337ff554dd839c76e89063cb2f10a535bf73d12b1d76ff39a78ed080c.exe"C:\Users\Admin\AppData\Local\Temp\58375e8337ff554dd839c76e89063cb2f10a535bf73d12b1d76ff39a78ed080c.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:3984
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