Analysis
- max time kernel
151s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
15/10/2022, 06:19
Static task
static1
Behavioral task
behavioral1
Sample
9fb3b47245d2388ae431d60e0376a0c6.exe
Resource
win7-20220812-en
windows7-x64
5 signatures
150 seconds
Behavioral task
behavioral2
Sample
9fb3b47245d2388ae431d60e0376a0c6.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
7 signatures
150 seconds
General
- Target 9fb3b47245d2388ae431d60e0376a0c6.exe
- Size 231KB
- Sample221015-g26wwsfcfl
- SHA256 848436037045522ca189df4a66111c8de83adab322e66a5b58e7778c5fa1fd0b
- MD5 9fb3b47245d2388ae431d60e0376a0c6
- SHA1 0af80b116d4f9fde22da164ba6d161390e6262ae
- SHA512 42496fdff0ff5e9a59a9b33fe2e9913110e1f56d47a534b38d803c84cd79fbd0aa252e2aa399fe6da353577f0cddb94c6d4f436c269ca032bc0aeccfa9eeb32f
- SSDEEP 3072:HXpL7Dc0ldr4g0A/5KmaEvcaE9TLFi4k3m0yjj8D0K+0Y9veA:397DpUnm3KT5rcnTD0HL9x
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 1 IoCs
resource yara_rule behavioral2/memory/528-136-0x00000000004B0000-0x00000000004B9000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Executes dropped EXE 1 IoCs
pid Process 4248 cvattsw - Checks SCSI registry key(s) 3 TTPs 6 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 9fb3b47245d2388ae431d60e0376a0c6.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 9fb3b47245d2388ae431d60e0376a0c6.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 9fb3b47245d2388ae431d60e0376a0c6.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI cvattsw Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI cvattsw Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI cvattsw - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 528 9fb3b47245d2388ae431d60e0376a0c6.exe 528 9fb3b47245d2388ae431d60e0376a0c6.exe 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found 2596 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2596 Process not Found - Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 528 9fb3b47245d2388ae431d60e0376a0c6.exe 4248 cvattsw
Processes
-
C:\Users\Admin\AppData\Local\Temp\9fb3b47245d2388ae431d60e0376a0c6.exe"C:\Users\Admin\AppData\Local\Temp\9fb3b47245d2388ae431d60e0376a0c6.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:528
-
C:\Users\Admin\AppData\Roaming\cvattswC:\Users\Admin\AppData\Roaming\cvattsw1⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:4248
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Roaming\cvattsw
- Size 231KB
- SHA256 848436037045522ca189df4a66111c8de83adab322e66a5b58e7778c5fa1fd0b
- MD5 9fb3b47245d2388ae431d60e0376a0c6
- SHA1 0af80b116d4f9fde22da164ba6d161390e6262ae
- SHA512 42496fdff0ff5e9a59a9b33fe2e9913110e1f56d47a534b38d803c84cd79fbd0aa252e2aa399fe6da353577f0cddb94c6d4f436c269ca032bc0aeccfa9eeb32f
- SSDEEP 3072:HXpL7Dc0ldr4g0A/5KmaEvcaE9TLFi4k3m0yjj8D0K+0Y9veA:397DpUnm3KT5rcnTD0HL9x
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\cvattsw
- Size 231KB
- SHA256 848436037045522ca189df4a66111c8de83adab322e66a5b58e7778c5fa1fd0b
- MD5 9fb3b47245d2388ae431d60e0376a0c6
- SHA1 0af80b116d4f9fde22da164ba6d161390e6262ae
- SHA512 42496fdff0ff5e9a59a9b33fe2e9913110e1f56d47a534b38d803c84cd79fbd0aa252e2aa399fe6da353577f0cddb94c6d4f436c269ca032bc0aeccfa9eeb32f
- SSDEEP 3072:HXpL7Dc0ldr4g0A/5KmaEvcaE9TLFi4k3m0yjj8D0K+0Y9veA:397DpUnm3KT5rcnTD0HL9x
- MD5 SHA1 SHA512 SSDEEP