Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
08-03-2024 13:47
Static task
static1
Behavioral task
behavioral1
Sample
bb6a3d996b7d0044a8a02664a6819077.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
bb6a3d996b7d0044a8a02664a6819077.exe
Resource
win10v2004-20240226-en
General
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Target
bb6a3d996b7d0044a8a02664a6819077.exe
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Size
251KB
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MD5
bb6a3d996b7d0044a8a02664a6819077
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SHA1
70e521ef1edf85e7a39e2e84d7c4e0543ade49d4
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SHA256
0cb3b217638e2dfb78fee55c413f25adf555ff110e6490117f2512e19cf6dbe0
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SHA512
752f8c0e5330f96622a709caf637663d99469ce6eb1db3f7fd768f75a6b86ed322ad5f24dac4cb74a49751e2cb724cf09cb9560ebb43bd9778832bb383701ba9
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SSDEEP
3072:wBBSpb1Y4kEm73cTvRKO/L1jEfmS1WSzBHj8dZPOwNVXjzoZ8V:2QpRY407a8aLKuaW/ZrNVfs8V
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 3360 Process not Found -
Executes dropped EXE 1 IoCs
pid Process 4488 ebbrjgd -
Loads dropped DLL 2 IoCs
pid Process 2296 bb6a3d996b7d0044a8a02664a6819077.exe 4488 ebbrjgd -
Program crash 1 IoCs
pid pid_target Process procid_target 1976 2296 WerFault.exe 88 -
Checks SCSI registry key(s) 3 TTPs 6 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI ebbrjgd Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI bb6a3d996b7d0044a8a02664a6819077.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI bb6a3d996b7d0044a8a02664a6819077.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI bb6a3d996b7d0044a8a02664a6819077.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI ebbrjgd Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI ebbrjgd -
Modifies registry class 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\ Process not Found Key created \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\ Process not Found -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2296 bb6a3d996b7d0044a8a02664a6819077.exe 2296 bb6a3d996b7d0044a8a02664a6819077.exe 3360 Process not Found 3360 Process not Found 3360 Process not Found 3360 Process not Found 3360 Process not Found 3360 Process not Found 3360 Process not Found 3360 Process not Found 3360 Process not Found 3360 Process not Found 3360 Process not Found 3360 Process not Found 3360 Process not Found 3360 Process not Found 3360 Process not Found 3360 Process not Found 3360 Process not Found 3360 Process not Found 3360 Process not Found 3360 Process not Found 3360 Process not Found 3360 Process not Found 3360 Process not Found 3360 Process not Found 3360 Process not Found 3360 Process not Found 3360 Process not Found 3360 Process not Found 3360 Process not Found 3360 Process not Found 3360 Process not Found 3360 Process not Found 3360 Process not Found 3360 Process not Found 3360 Process not Found 3360 Process not Found 3360 Process not Found 3360 Process not Found 3360 Process not Found 3360 Process not Found 3360 Process not Found 3360 Process not Found 3360 Process not Found 3360 Process not Found 3360 Process not Found 3360 Process not Found 3360 Process not Found 3360 Process not Found 3360 Process not Found 3360 Process not Found 3360 Process not Found 3360 Process not Found 3360 Process not Found 3360 Process not Found 3360 Process not Found 3360 Process not Found 3360 Process not Found 3360 Process not Found 3360 Process not Found 3360 Process not Found 3360 Process not Found 3360 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2296 bb6a3d996b7d0044a8a02664a6819077.exe -
Suspicious use of AdjustPrivilegeToken 10 IoCs
description pid Process Token: SeShutdownPrivilege 3360 Process not Found Token: SeCreatePagefilePrivilege 3360 Process not Found Token: SeShutdownPrivilege 3360 Process not Found Token: SeCreatePagefilePrivilege 3360 Process not Found Token: SeShutdownPrivilege 3360 Process not Found Token: SeCreatePagefilePrivilege 3360 Process not Found Token: SeShutdownPrivilege 3360 Process not Found Token: SeCreatePagefilePrivilege 3360 Process not Found Token: SeShutdownPrivilege 3360 Process not Found Token: SeCreatePagefilePrivilege 3360 Process not Found -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 3360 Process not Found 3360 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\bb6a3d996b7d0044a8a02664a6819077.exe"C:\Users\Admin\AppData\Local\Temp\bb6a3d996b7d0044a8a02664a6819077.exe"1⤵
- Loads dropped DLL
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:2296 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2296 -s 3922⤵
- Program crash
PID:1976
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 2296 -ip 22961⤵PID:2140
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C:\Users\Admin\AppData\Roaming\ebbrjgdC:\Users\Admin\AppData\Roaming\ebbrjgd1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks SCSI registry key(s)
PID:4488
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.6MB
MD54f3387277ccbd6d1f21ac5c07fe4ca68
SHA1e16506f662dc92023bf82def1d621497c8ab5890
SHA256767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac
SHA5129da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219
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Filesize
251KB
MD5bb6a3d996b7d0044a8a02664a6819077
SHA170e521ef1edf85e7a39e2e84d7c4e0543ade49d4
SHA2560cb3b217638e2dfb78fee55c413f25adf555ff110e6490117f2512e19cf6dbe0
SHA512752f8c0e5330f96622a709caf637663d99469ce6eb1db3f7fd768f75a6b86ed322ad5f24dac4cb74a49751e2cb724cf09cb9560ebb43bd9778832bb383701ba9