Resubmissions
14/03/2024, 11:45
240314-nw4b5sbb5v1013/03/2024, 15:01
240313-sdxtvsfh9x1013/03/2024, 14:22
240313-rpjkyagg5610Analysis
- max time kernel
1800s - max time network
1572s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system - submitted
13/03/2024, 15:01
Static task
static1
Behavioral task
behavioral1
Sample
c88933a3bcc4494def9d0feb4568c4e865d6b333ace006256816166d34104ea0.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
c88933a3bcc4494def9d0feb4568c4e865d6b333ace006256816166d34104ea0.exe
Resource
win10v2004-20240226-en
General
- Target c88933a3bcc4494def9d0feb4568c4e865d6b333ace006256816166d34104ea0.exe
- Size 242KB
- Sample240313-sdxtvsfh9x
- SHA256 c88933a3bcc4494def9d0feb4568c4e865d6b333ace006256816166d34104ea0
- MD5 8f44c565b6605afccbab295faaf420b8
- SHA1 a9fc5e1ca19b7034f846b12ee2e5890d8c64f3b3
- SHA512 cdbf40c2def3a3dc45ac006f99ebff60d936eff53d2b16236f0424285a1749e847ee1180daa0e9e256bd86e44e76cdbc2b83d5afd1e8db1edb699d0b95900206
- SSDEEP 3072:sY1hNzde2qx1Y7CzY8hv2BXhssNPhslWeQYmbd/5NOVAAC:11Twx2uzYvVhsspSlWbYId
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
-
smokeloader
-
2022
-
http://selebration17io.io/index.php
-
http://vacantion18ffeu.cc/index.php
-
http://valarioulinity1.net/index.php
-
http://buriatiarutuhuob.net/index.php
-
http://cassiosssionunu.me/index.php
-
http://sulugilioiu19.net/index.php
-
http://goodfooggooftool.net/index.php
Signatures
- SmokeLoader
Modular backdoor trojan in use since 2014.
- Deletes itself 1 IoCs
pid Process 3424 Process not Found - Executes dropped EXE 3 IoCs
pid Process 3720 arwdhsh 2164 arwdhsh 876 arwdhsh - Checks SCSI registry key(s) 3 TTPs 12 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI arwdhsh Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI arwdhsh Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI arwdhsh Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI arwdhsh Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI c88933a3bcc4494def9d0feb4568c4e865d6b333ace006256816166d34104ea0.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI c88933a3bcc4494def9d0feb4568c4e865d6b333ace006256816166d34104ea0.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI arwdhsh Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI arwdhsh Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI arwdhsh Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI arwdhsh Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI c88933a3bcc4494def9d0feb4568c4e865d6b333ace006256816166d34104ea0.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI arwdhsh - Modifies registry class 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\ Process not Found Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\ Process not Found - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2404 c88933a3bcc4494def9d0feb4568c4e865d6b333ace006256816166d34104ea0.exe 2404 c88933a3bcc4494def9d0feb4568c4e865d6b333ace006256816166d34104ea0.exe 3424 Process not Found 3424 Process not Found 3424 Process not Found 3424 Process not Found 3424 Process not Found 3424 Process not Found 3424 Process not Found 3424 Process not Found 3424 Process not Found 3424 Process not Found 3424 Process not Found 3424 Process not Found 3424 Process not Found 3424 Process not Found 3424 Process not Found 3424 Process not Found 3424 Process not Found 3424 Process not Found 3424 Process not Found 3424 Process not Found 3424 Process not Found 3424 Process not Found 3424 Process not Found 3424 Process not Found 3424 Process not Found 3424 Process not Found 3424 Process not Found 3424 Process not Found 3424 Process not Found 3424 Process not Found 3424 Process not Found 3424 Process not Found 3424 Process not Found 3424 Process not Found 3424 Process not Found 3424 Process not Found 3424 Process not Found 3424 Process not Found 3424 Process not Found 3424 Process not Found 3424 Process not Found 3424 Process not Found 3424 Process not Found 3424 Process not Found 3424 Process not Found 3424 Process not Found 3424 Process not Found 3424 Process not Found 3424 Process not Found 3424 Process not Found 3424 Process not Found 3424 Process not Found 3424 Process not Found 3424 Process not Found 3424 Process not Found 3424 Process not Found 3424 Process not Found 3424 Process not Found 3424 Process not Found 3424 Process not Found 3424 Process not Found 3424 Process not Found - Suspicious behavior: MapViewOfSection 4 IoCs
pid Process 2404 c88933a3bcc4494def9d0feb4568c4e865d6b333ace006256816166d34104ea0.exe 3720 arwdhsh 2164 arwdhsh 876 arwdhsh - Suspicious use of AdjustPrivilegeToken 16 IoCs
description pid Process Token: SeShutdownPrivilege 3424 Process not Found Token: SeCreatePagefilePrivilege 3424 Process not Found Token: SeShutdownPrivilege 3424 Process not Found Token: SeCreatePagefilePrivilege 3424 Process not Found Token: SeShutdownPrivilege 3424 Process not Found Token: SeCreatePagefilePrivilege 3424 Process not Found Token: SeShutdownPrivilege 3424 Process not Found Token: SeCreatePagefilePrivilege 3424 Process not Found Token: SeShutdownPrivilege 3424 Process not Found Token: SeCreatePagefilePrivilege 3424 Process not Found Token: SeShutdownPrivilege 3424 Process not Found Token: SeCreatePagefilePrivilege 3424 Process not Found Token: SeShutdownPrivilege 3424 Process not Found Token: SeCreatePagefilePrivilege 3424 Process not Found Token: SeShutdownPrivilege 3424 Process not Found Token: SeCreatePagefilePrivilege 3424 Process not Found - Suspicious use of UnmapMainImage 1 IoCs
pid Process 3424 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
-
C:\Users\Admin\AppData\Local\Temp\c88933a3bcc4494def9d0feb4568c4e865d6b333ace006256816166d34104ea0.exe"C:\Users\Admin\AppData\Local\Temp\c88933a3bcc4494def9d0feb4568c4e865d6b333ace006256816166d34104ea0.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:2404
-
C:\Users\Admin\AppData\Roaming\arwdhshC:\Users\Admin\AppData\Roaming\arwdhsh1⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:3720
-
C:\Users\Admin\AppData\Roaming\arwdhshC:\Users\Admin\AppData\Roaming\arwdhsh1⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:2164
-
C:\Users\Admin\AppData\Roaming\arwdhshC:\Users\Admin\AppData\Roaming\arwdhsh1⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:876
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Roaming\arwdhsh
- Size 242KB
- SHA256 c88933a3bcc4494def9d0feb4568c4e865d6b333ace006256816166d34104ea0
- MD5 8f44c565b6605afccbab295faaf420b8
- SHA1 a9fc5e1ca19b7034f846b12ee2e5890d8c64f3b3
- SHA512 cdbf40c2def3a3dc45ac006f99ebff60d936eff53d2b16236f0424285a1749e847ee1180daa0e9e256bd86e44e76cdbc2b83d5afd1e8db1edb699d0b95900206
- SSDEEP 3072:sY1hNzde2qx1Y7CzY8hv2BXhssNPhslWeQYmbd/5NOVAAC:11Twx2uzYvVhsspSlWbYId
- MD5 SHA1 SHA512 SSDEEP