Analysis
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max time kernel
90s -
max time network
93s -
platform
windows11-21h2_x64 -
resource
win11-20240611-en -
resource tags
arch:x64arch:x86image:win11-20240611-enlocale:en-usos:windows11-21h2-x64system -
submitted
03-07-2024 00:00
Static task
static1
Behavioral task
behavioral1
Sample
55f04c9f83b628e58e28a63ce9089519c7457ef52b9bb4504f73a5c97cad26ca.exe
Resource
win10v2004-20240611-en
Behavioral task
behavioral2
Sample
55f04c9f83b628e58e28a63ce9089519c7457ef52b9bb4504f73a5c97cad26ca.exe
Resource
win11-20240611-en
General
-
Target
55f04c9f83b628e58e28a63ce9089519c7457ef52b9bb4504f73a5c97cad26ca.exe
-
Size
162KB
-
MD5
2ae3ccf18e3b056d3bc5bcec4ebe4d0a
-
SHA1
0f4c0070723fb6cfbedae0330536b4474cf8f946
-
SHA256
55f04c9f83b628e58e28a63ce9089519c7457ef52b9bb4504f73a5c97cad26ca
-
SHA512
47fb6ebdb9286ce676aa61faf2415074a303bdece00506d5b2e4f879d91cdbb29f7b6a08f341725f84c2ec33649c4aa8fa168c639c483085f6a8e8b50b74a9ce
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SSDEEP
3072:kf59LNHMsreVriGs8ZItaIiIwNFhPQ5c11+f1KuU3:Y59LNHDiVOu9IglL7
Malware Config
Extracted
smokeloader
pub1
Signatures
-
SmokeLoader
Modular backdoor trojan in use since 2014.
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Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 1924 1816 WerFault.exe 55f04c9f83b628e58e28a63ce9089519c7457ef52b9bb4504f73a5c97cad26ca.exe -
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
Processes:
55f04c9f83b628e58e28a63ce9089519c7457ef52b9bb4504f73a5c97cad26ca.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 55f04c9f83b628e58e28a63ce9089519c7457ef52b9bb4504f73a5c97cad26ca.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 55f04c9f83b628e58e28a63ce9089519c7457ef52b9bb4504f73a5c97cad26ca.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 55f04c9f83b628e58e28a63ce9089519c7457ef52b9bb4504f73a5c97cad26ca.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\55f04c9f83b628e58e28a63ce9089519c7457ef52b9bb4504f73a5c97cad26ca.exe"C:\Users\Admin\AppData\Local\Temp\55f04c9f83b628e58e28a63ce9089519c7457ef52b9bb4504f73a5c97cad26ca.exe"1⤵
- Checks SCSI registry key(s)
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1816 -s 4842⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 1816 -ip 18161⤵
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
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Downloads
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memory/1816-3-0x0000000000400000-0x000000000040B000-memory.dmpFilesize
44KB
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memory/1816-1-0x0000000002800000-0x0000000002900000-memory.dmpFilesize
1024KB
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memory/1816-2-0x0000000004420000-0x000000000442B000-memory.dmpFilesize
44KB
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memory/1816-4-0x0000000000400000-0x0000000002716000-memory.dmpFilesize
35.1MB