Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
28-05-2024 00:56
Static task
static1
Behavioral task
behavioral1
Sample
3b2036e357f24ecc73ff24d2c5464a44e0214fa677e0797a7cc49c559b053a79.exe
Resource
win10v2004-20240426-en
Behavioral task
behavioral2
Sample
3b2036e357f24ecc73ff24d2c5464a44e0214fa677e0797a7cc49c559b053a79.exe
Resource
win11-20240426-en
General
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Target
3b2036e357f24ecc73ff24d2c5464a44e0214fa677e0797a7cc49c559b053a79.exe
-
Size
257KB
-
MD5
4f61b6227de795688ea6558bfd7d839c
-
SHA1
8aa11c6ba3cd963dd79abc8b66c0153c6af687a2
-
SHA256
3b2036e357f24ecc73ff24d2c5464a44e0214fa677e0797a7cc49c559b053a79
-
SHA512
e3311e2102b25bbcdb97355ca58edbcdd5eef28c995aeccd463d4a442b3b88fbc12f34082ac976dd640a071e992d99d7bbfbde7445a1709359711402f0d2cfe7
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SSDEEP
3072:6zrk5YkPv5ZTxWFSX0aTpQ45uUZlFu/e:6z+5Z9TRpkgjUe
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 1740 3448 WerFault.exe 3b2036e357f24ecc73ff24d2c5464a44e0214fa677e0797a7cc49c559b053a79.exe -
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
Processes:
3b2036e357f24ecc73ff24d2c5464a44e0214fa677e0797a7cc49c559b053a79.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 3b2036e357f24ecc73ff24d2c5464a44e0214fa677e0797a7cc49c559b053a79.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 3b2036e357f24ecc73ff24d2c5464a44e0214fa677e0797a7cc49c559b053a79.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 3b2036e357f24ecc73ff24d2c5464a44e0214fa677e0797a7cc49c559b053a79.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\3b2036e357f24ecc73ff24d2c5464a44e0214fa677e0797a7cc49c559b053a79.exe"C:\Users\Admin\AppData\Local\Temp\3b2036e357f24ecc73ff24d2c5464a44e0214fa677e0797a7cc49c559b053a79.exe"1⤵
- Checks SCSI registry key(s)
PID:3448 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3448 -s 3522⤵
- Program crash
PID:1740
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 3448 -ip 34481⤵PID:4980
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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memory/3448-3-0x0000000000400000-0x000000000040B000-memory.dmpFilesize
44KB
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memory/3448-1-0x0000000001FE0000-0x00000000020E0000-memory.dmpFilesize
1024KB
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memory/3448-2-0x00000000022B0000-0x00000000022BB000-memory.dmpFilesize
44KB
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memory/3448-4-0x0000000000400000-0x0000000001F8C000-memory.dmpFilesize
27.5MB