Analysis
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max time kernel
134s -
max time network
103s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
28-05-2024 05:05
Static task
static1
Behavioral task
behavioral1
Sample
f3c6a0dd3b41c16e5e203b4760cd6918140754a6c050c6c2bf0581e09c2b18b0.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral2
Sample
f3c6a0dd3b41c16e5e203b4760cd6918140754a6c050c6c2bf0581e09c2b18b0.exe
Resource
win11-20240419-en
General
-
Target
f3c6a0dd3b41c16e5e203b4760cd6918140754a6c050c6c2bf0581e09c2b18b0.exe
-
Size
311KB
-
MD5
fdbaf14d629e96fafca5222a30c1d510
-
SHA1
e731584aba2f26004116c64f9f8c94b91d8185e6
-
SHA256
f3c6a0dd3b41c16e5e203b4760cd6918140754a6c050c6c2bf0581e09c2b18b0
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SHA512
5185d7e5d4b67b5616e4198343fd73d940c7b1de70e94bf9d03f499d0a02d3138e8e0790ec5b89ceefc59d4ada08a5ad41d02ecfb6ec1d3395140840227c9eed
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SSDEEP
6144:3eTW9h7ryomzMQXzRpAyxCTGFxGbu7LTlcM:3x95yrzMs//xGLCVcM
Malware Config
Extracted
smokeloader
pub3
Signatures
-
SmokeLoader
Modular backdoor trojan in use since 2014.
-
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 4392 536 WerFault.exe f3c6a0dd3b41c16e5e203b4760cd6918140754a6c050c6c2bf0581e09c2b18b0.exe -
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
Processes:
f3c6a0dd3b41c16e5e203b4760cd6918140754a6c050c6c2bf0581e09c2b18b0.exedescription ioc process Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI f3c6a0dd3b41c16e5e203b4760cd6918140754a6c050c6c2bf0581e09c2b18b0.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI f3c6a0dd3b41c16e5e203b4760cd6918140754a6c050c6c2bf0581e09c2b18b0.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI f3c6a0dd3b41c16e5e203b4760cd6918140754a6c050c6c2bf0581e09c2b18b0.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\f3c6a0dd3b41c16e5e203b4760cd6918140754a6c050c6c2bf0581e09c2b18b0.exe"C:\Users\Admin\AppData\Local\Temp\f3c6a0dd3b41c16e5e203b4760cd6918140754a6c050c6c2bf0581e09c2b18b0.exe"1⤵
- Checks SCSI registry key(s)
PID:536 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 536 -s 3602⤵
- Program crash
PID:4392
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 536 -ip 5361⤵PID:1740
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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memory/536-1-0x0000000002F50000-0x0000000003050000-memory.dmpFilesize
1024KB
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memory/536-3-0x0000000000400000-0x000000000040B000-memory.dmpFilesize
44KB
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memory/536-2-0x0000000002F10000-0x0000000002F1B000-memory.dmpFilesize
44KB
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memory/536-5-0x0000000000400000-0x000000000040B000-memory.dmpFilesize
44KB
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memory/536-4-0x0000000000400000-0x0000000002CAC000-memory.dmpFilesize
40.7MB