Analysis
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max time kernel
149s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
17-04-2024 13:02
Static task
static1
Behavioral task
behavioral1
Sample
e9839a31cca5038608b57f6e13e75f43aa845a2f892c917a77b3c4f0bcc35c7e.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
e9839a31cca5038608b57f6e13e75f43aa845a2f892c917a77b3c4f0bcc35c7e.exe
Resource
win10v2004-20240412-en
General
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Target
e9839a31cca5038608b57f6e13e75f43aa845a2f892c917a77b3c4f0bcc35c7e.exe
-
Size
259KB
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MD5
b05a74505fa03339578dff002ba57c69
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SHA1
b9851e84dbd2c8b2ecccb30452ddccb0496ef974
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SHA256
e9839a31cca5038608b57f6e13e75f43aa845a2f892c917a77b3c4f0bcc35c7e
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SHA512
616337efd4b6a84f0590226b52d8c7398723afe43bb1fc879089a7474b7fd8949e16353bb4ff713da4295dbc4885d5eb34d9483d7441b726592371bb8f285dd3
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SSDEEP
3072:NCEgl6HLc0iImEkhg569+wjkabBB2n2qr4j54wCxe9yFfqdwiB9ez/WnQEbK3Zk:NsUrc06Fue/kZr4j5vwbb0WWnQEbe
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 2128 2040 WerFault.exe e9839a31cca5038608b57f6e13e75f43aa845a2f892c917a77b3c4f0bcc35c7e.exe -
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
Processes:
e9839a31cca5038608b57f6e13e75f43aa845a2f892c917a77b3c4f0bcc35c7e.exedescription ioc process Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI e9839a31cca5038608b57f6e13e75f43aa845a2f892c917a77b3c4f0bcc35c7e.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI e9839a31cca5038608b57f6e13e75f43aa845a2f892c917a77b3c4f0bcc35c7e.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI e9839a31cca5038608b57f6e13e75f43aa845a2f892c917a77b3c4f0bcc35c7e.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\e9839a31cca5038608b57f6e13e75f43aa845a2f892c917a77b3c4f0bcc35c7e.exe"C:\Users\Admin\AppData\Local\Temp\e9839a31cca5038608b57f6e13e75f43aa845a2f892c917a77b3c4f0bcc35c7e.exe"1⤵
- Checks SCSI registry key(s)
PID:2040 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2040 -s 3522⤵
- Program crash
PID:2128
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2040 -ip 20401⤵PID:1492
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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memory/2040-1-0x0000000000D60000-0x0000000000E60000-memory.dmpFilesize
1024KB
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memory/2040-2-0x0000000000400000-0x0000000000AEA000-memory.dmpFilesize
6.9MB
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memory/2040-3-0x0000000002830000-0x000000000283B000-memory.dmpFilesize
44KB
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memory/2040-4-0x0000000000400000-0x0000000000AEA000-memory.dmpFilesize
6.9MB