Analysis
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max time kernel
150s -
max time network
122s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
08-03-2024 02:44
Static task
static1
Behavioral task
behavioral1
Sample
b8432c329b52cfc606472a60d5eee14d.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
b8432c329b52cfc606472a60d5eee14d.exe
Resource
win10v2004-20231215-en
General
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Target
b8432c329b52cfc606472a60d5eee14d.exe
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Size
250KB
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MD5
b8432c329b52cfc606472a60d5eee14d
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SHA1
8ee0b3e4ef44238d4bc629042e8e9bfed0097521
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SHA256
1297a29f6a9bd96447d98205a1d8f05af3d64af5e6323a96189e22f41f629ea3
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SHA512
dba175a794443dce3df8a6e252fe1fd9915eb4546a500ae4b54e225290f873784fb93da9d33a24c0bea93d87656daee14abcf448cdd05e61af32678347f254a6
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SSDEEP
3072:djlF/cwiUjDtCRqta/L1jEfFNS5YhQTamBHj8dZPOwNVXjzoZ8V:BvPRt+LKXS53TavZrNVfs8V
Malware Config
Extracted
smokeloader
pub1
Extracted
smokeloader
2020
http://conceitosseg.com/upload/
http://integrasidata.com/upload/
http://ozentekstil.com/upload/
http://finbelportal.com/upload/
http://telanganadigital.com/upload/
Signatures
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SmokeLoader
Modular backdoor trojan in use since 2014.
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Deletes itself 1 IoCs
pid Process 3364 Process not Found -
Loads dropped DLL 1 IoCs
pid Process 2760 b8432c329b52cfc606472a60d5eee14d.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 4716 2760 WerFault.exe 84 -
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI b8432c329b52cfc606472a60d5eee14d.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI b8432c329b52cfc606472a60d5eee14d.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI b8432c329b52cfc606472a60d5eee14d.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2760 b8432c329b52cfc606472a60d5eee14d.exe 2760 b8432c329b52cfc606472a60d5eee14d.exe 3364 Process not Found 3364 Process not Found 3364 Process not Found 3364 Process not Found 3364 Process not Found 3364 Process not Found 3364 Process not Found 3364 Process not Found 3364 Process not Found 3364 Process not Found 3364 Process not Found 3364 Process not Found 3364 Process not Found 3364 Process not Found 3364 Process not Found 3364 Process not Found 3364 Process not Found 3364 Process not Found 3364 Process not Found 3364 Process not Found 3364 Process not Found 3364 Process not Found 3364 Process not Found 3364 Process not Found 3364 Process not Found 3364 Process not Found 3364 Process not Found 3364 Process not Found 3364 Process not Found 3364 Process not Found 3364 Process not Found 3364 Process not Found 3364 Process not Found 3364 Process not Found 3364 Process not Found 3364 Process not Found 3364 Process not Found 3364 Process not Found 3364 Process not Found 3364 Process not Found 3364 Process not Found 3364 Process not Found 3364 Process not Found 3364 Process not Found 3364 Process not Found 3364 Process not Found 3364 Process not Found 3364 Process not Found 3364 Process not Found 3364 Process not Found 3364 Process not Found 3364 Process not Found 3364 Process not Found 3364 Process not Found 3364 Process not Found 3364 Process not Found 3364 Process not Found 3364 Process not Found 3364 Process not Found 3364 Process not Found 3364 Process not Found 3364 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2760 b8432c329b52cfc606472a60d5eee14d.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeShutdownPrivilege 3364 Process not Found Token: SeCreatePagefilePrivilege 3364 Process not Found -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\b8432c329b52cfc606472a60d5eee14d.exe"C:\Users\Admin\AppData\Local\Temp\b8432c329b52cfc606472a60d5eee14d.exe"1⤵
- Loads dropped DLL
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:2760 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2760 -s 3922⤵
- Program crash
PID:4716
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 2760 -ip 27601⤵PID:4920
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1.6MB
MD54f3387277ccbd6d1f21ac5c07fe4ca68
SHA1e16506f662dc92023bf82def1d621497c8ab5890
SHA256767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac
SHA5129da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219