Analysis
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max time kernel
150s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
07-09-2022 12:00
Static task
static1
Behavioral task
behavioral1
Sample
eff24cdc2e1b28076e835e601d4227a87b632089ecadba8ceb3ac4f76abfb9d7.exe
Resource
win7-20220812-en
windows7-x64
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
eff24cdc2e1b28076e835e601d4227a87b632089ecadba8ceb3ac4f76abfb9d7.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
10 signatures
150 seconds
General
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Target
eff24cdc2e1b28076e835e601d4227a87b632089ecadba8ceb3ac4f76abfb9d7.exe
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Size
200KB
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MD5
837e465b2a38b1674d5ad0bfd680e735
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SHA1
5be14ddfbc3c0bd5e403707b3fb94c44c4e32251
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SHA256
eff24cdc2e1b28076e835e601d4227a87b632089ecadba8ceb3ac4f76abfb9d7
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SHA512
09079c54b5cecaee973a0aabe95df17125c00e2961d1e3786edcf8048ecbc971047c2337dff0d9b325fd2ae5285fc4d1d09c337e5d8c73bf74dfa663960cfcb8
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SSDEEP
3072:I04PnPjPSdp08GWir2NDKCfS5Z6ncT69sYrABn9:qPCpxl86nc+yYrKn
Score
10/10
Malware Config
Signatures
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Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/4624-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/2856-135-0x00000000048B0000-0x00000000048B9000-memory.dmp family_smokeloader behavioral2/memory/4624-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4624-137-0x0000000000400000-0x0000000000409000-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 2856 set thread context of 4624 2856 eff24cdc2e1b28076e835e601d4227a87b632089ecadba8ceb3ac4f76abfb9d7.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 eff24cdc2e1b28076e835e601d4227a87b632089ecadba8ceb3ac4f76abfb9d7.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI eff24cdc2e1b28076e835e601d4227a87b632089ecadba8ceb3ac4f76abfb9d7.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI eff24cdc2e1b28076e835e601d4227a87b632089ecadba8ceb3ac4f76abfb9d7.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 4624 eff24cdc2e1b28076e835e601d4227a87b632089ecadba8ceb3ac4f76abfb9d7.exe 4624 eff24cdc2e1b28076e835e601d4227a87b632089ecadba8ceb3ac4f76abfb9d7.exe 744 Process not Found 744 Process not Found 744 Process not Found 744 Process not Found 744 Process not Found 744 Process not Found 744 Process not Found 744 Process not Found 744 Process not Found 744 Process not Found 744 Process not Found 744 Process not Found 744 Process not Found 744 Process not Found 744 Process not Found 744 Process not Found 744 Process not Found 744 Process not Found 744 Process not Found 744 Process not Found 744 Process not Found 744 Process not Found 744 Process not Found 744 Process not Found 744 Process not Found 744 Process not Found 744 Process not Found 744 Process not Found 744 Process not Found 744 Process not Found 744 Process not Found 744 Process not Found 744 Process not Found 744 Process not Found 744 Process not Found 744 Process not Found 744 Process not Found 744 Process not Found 744 Process not Found 744 Process not Found 744 Process not Found 744 Process not Found 744 Process not Found 744 Process not Found 744 Process not Found 744 Process not Found 744 Process not Found 744 Process not Found 744 Process not Found 744 Process not Found 744 Process not Found 744 Process not Found 744 Process not Found 744 Process not Found 744 Process not Found 744 Process not Found 744 Process not Found 744 Process not Found 744 Process not Found 744 Process not Found 744 Process not Found 744 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 744 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4624 eff24cdc2e1b28076e835e601d4227a87b632089ecadba8ceb3ac4f76abfb9d7.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeShutdownPrivilege 744 Process not Found Token: SeCreatePagefilePrivilege 744 Process not Found Token: SeShutdownPrivilege 744 Process not Found Token: SeCreatePagefilePrivilege 744 Process not Found -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2856 wrote to memory of 4624 2856 eff24cdc2e1b28076e835e601d4227a87b632089ecadba8ceb3ac4f76abfb9d7.exe 86 PID 2856 wrote to memory of 4624 2856 eff24cdc2e1b28076e835e601d4227a87b632089ecadba8ceb3ac4f76abfb9d7.exe 86 PID 2856 wrote to memory of 4624 2856 eff24cdc2e1b28076e835e601d4227a87b632089ecadba8ceb3ac4f76abfb9d7.exe 86 PID 2856 wrote to memory of 4624 2856 eff24cdc2e1b28076e835e601d4227a87b632089ecadba8ceb3ac4f76abfb9d7.exe 86 PID 2856 wrote to memory of 4624 2856 eff24cdc2e1b28076e835e601d4227a87b632089ecadba8ceb3ac4f76abfb9d7.exe 86 PID 2856 wrote to memory of 4624 2856 eff24cdc2e1b28076e835e601d4227a87b632089ecadba8ceb3ac4f76abfb9d7.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\eff24cdc2e1b28076e835e601d4227a87b632089ecadba8ceb3ac4f76abfb9d7.exe"C:\Users\Admin\AppData\Local\Temp\eff24cdc2e1b28076e835e601d4227a87b632089ecadba8ceb3ac4f76abfb9d7.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2856 -
C:\Users\Admin\AppData\Local\Temp\eff24cdc2e1b28076e835e601d4227a87b632089ecadba8ceb3ac4f76abfb9d7.exe"C:\Users\Admin\AppData\Local\Temp\eff24cdc2e1b28076e835e601d4227a87b632089ecadba8ceb3ac4f76abfb9d7.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:4624
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