Analysis
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max time kernel
130s -
max time network
99s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
24-05-2024 12:47
Static task
static1
Behavioral task
behavioral1
Sample
71480fc81a1e0eb85d94e08b31fa257204200371c01fbc3cbf7c45a622e66da3.exe
Resource
win10v2004-20240426-en
Behavioral task
behavioral2
Sample
71480fc81a1e0eb85d94e08b31fa257204200371c01fbc3cbf7c45a622e66da3.exe
Resource
win11-20240426-en
General
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Target
71480fc81a1e0eb85d94e08b31fa257204200371c01fbc3cbf7c45a622e66da3.exe
-
Size
219KB
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MD5
503e59094f106fd25a0a6193d7556cdc
-
SHA1
f255f91c7d8fc94e4ec265b9ae5d2752c66b8fa2
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SHA256
71480fc81a1e0eb85d94e08b31fa257204200371c01fbc3cbf7c45a622e66da3
-
SHA512
99d73876925ad80afbdecb675b911a4043e146fa4a5370444467cf3532d228d702131c4e0d57be897e08adb42b20a4e8d3069274a14a4c2ae1035e0ef54c80fa
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SSDEEP
3072:Wu5cM9Mh1cHctcQI041+TBhLyRd5rZmSUZ1ivIRFC2sx++cQN/pLpay:CM9bscR00+85rZfUDivIzy+BCh
Malware Config
Extracted
smokeloader
pub1
Signatures
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SmokeLoader
Modular backdoor trojan in use since 2014.
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Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 5264 3932 WerFault.exe 71480fc81a1e0eb85d94e08b31fa257204200371c01fbc3cbf7c45a622e66da3.exe -
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
Processes:
71480fc81a1e0eb85d94e08b31fa257204200371c01fbc3cbf7c45a622e66da3.exedescription ioc process Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 71480fc81a1e0eb85d94e08b31fa257204200371c01fbc3cbf7c45a622e66da3.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 71480fc81a1e0eb85d94e08b31fa257204200371c01fbc3cbf7c45a622e66da3.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 71480fc81a1e0eb85d94e08b31fa257204200371c01fbc3cbf7c45a622e66da3.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\71480fc81a1e0eb85d94e08b31fa257204200371c01fbc3cbf7c45a622e66da3.exe"C:\Users\Admin\AppData\Local\Temp\71480fc81a1e0eb85d94e08b31fa257204200371c01fbc3cbf7c45a622e66da3.exe"1⤵
- Checks SCSI registry key(s)
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3932 -s 3522⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 3932 -ip 39321⤵
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
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Downloads
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memory/3932-3-0x0000000000400000-0x000000000040B000-memory.dmpFilesize
44KB
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memory/3932-2-0x0000000002DF0000-0x0000000002DFB000-memory.dmpFilesize
44KB
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memory/3932-1-0x0000000002F70000-0x0000000003070000-memory.dmpFilesize
1024KB
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memory/3932-5-0x0000000000400000-0x000000000040B000-memory.dmpFilesize
44KB
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memory/3932-4-0x0000000000400000-0x0000000002C96000-memory.dmpFilesize
40.6MB