Analysis
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max time kernel
144s -
max time network
157s -
platform
windows11-21h2_x64 -
resource
win11-20240412-en -
resource tags
arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system -
submitted
17-04-2024 15:37
Static task
static1
Behavioral task
behavioral1
Sample
4da76547d7081b68f3af83c77a5c75b2ff3f0691d7c58aca34632ff2ecd1e98c.exe
Resource
win10v2004-20240412-en
Behavioral task
behavioral2
Sample
4da76547d7081b68f3af83c77a5c75b2ff3f0691d7c58aca34632ff2ecd1e98c.exe
Resource
win11-20240412-en
General
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Target
4da76547d7081b68f3af83c77a5c75b2ff3f0691d7c58aca34632ff2ecd1e98c.exe
-
Size
307KB
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MD5
a11d2533c5dd2b17161fc2eea2ba1bef
-
SHA1
f7f42c054b83cb0cc3bb0a54a75195f920d9ced8
-
SHA256
4da76547d7081b68f3af83c77a5c75b2ff3f0691d7c58aca34632ff2ecd1e98c
-
SHA512
0053214e42b72365bd435ab8f35e4ddc8774c347dfa57d90c9f49c81b23dd1178f0a77b0facb0cce0d29b67b33eb7243a5c7c4f267274374e095a47f4a301a0b
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SSDEEP
3072:PAeYeaG3VkbDb3fUv+3lSYS+gPdNoMDBNxCkV8lhFna/c2Soqv9m:P0NbFVrSndyNFa/c2SHl
Malware Config
Extracted
smokeloader
pub1
Signatures
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SmokeLoader
Modular backdoor trojan in use since 2014.
-
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 2216 4996 WerFault.exe 4da76547d7081b68f3af83c77a5c75b2ff3f0691d7c58aca34632ff2ecd1e98c.exe -
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
Processes:
4da76547d7081b68f3af83c77a5c75b2ff3f0691d7c58aca34632ff2ecd1e98c.exedescription ioc process Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 4da76547d7081b68f3af83c77a5c75b2ff3f0691d7c58aca34632ff2ecd1e98c.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 4da76547d7081b68f3af83c77a5c75b2ff3f0691d7c58aca34632ff2ecd1e98c.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 4da76547d7081b68f3af83c77a5c75b2ff3f0691d7c58aca34632ff2ecd1e98c.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\4da76547d7081b68f3af83c77a5c75b2ff3f0691d7c58aca34632ff2ecd1e98c.exe"C:\Users\Admin\AppData\Local\Temp\4da76547d7081b68f3af83c77a5c75b2ff3f0691d7c58aca34632ff2ecd1e98c.exe"1⤵
- Checks SCSI registry key(s)
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4996 -s 4922⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4996 -ip 49961⤵
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
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Downloads
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memory/4996-1-0x0000000002EF0000-0x0000000002FF0000-memory.dmpFilesize
1024KB
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memory/4996-2-0x0000000000400000-0x0000000002D2B000-memory.dmpFilesize
41.2MB
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memory/4996-3-0x0000000004B70000-0x0000000004B7B000-memory.dmpFilesize
44KB
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memory/4996-4-0x0000000000400000-0x0000000002D2B000-memory.dmpFilesize
41.2MB