Analysis
- max time kernel
231s - max time network
248s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
03/12/2022, 14:37
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20221111-en
windows7-x64
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20221111-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target file.exe
- Size 351KB
- Sample221203-ry63ladb2x
- SHA256 aa157de3a33597398c5dc31f14cb9bbbe5726d3e2fe51d2c1999959a65c1c7b8
- MD5 3a086fbfacd6ad88b575b3fca6a8e9dc
- SHA1 057ac0ecc91be5136e4c9a12acdcb30450924af0
- SHA512 a6032897490ac44428cb6a5059a964a52b30362f1a62a673e4b047898fb26a5cd4f0336d62efe03d8f874cea477fd2b3d8b797eb820f53fbb50f75054d92487f
- SSDEEP 6144:V6BFw3AmlUILY99qEQtfJSaoljFnMW2Rqn3FK5Yb:VKK3Amid9qHtfA3MW33FK5Yb
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 1 IoCs
resource yara_rule behavioral2/memory/1044-133-0x0000000000030000-0x0000000000039000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Executes dropped EXE 1 IoCs
pid Process 1228 uvjhrsu - Checks SCSI registry key(s) 3 TTPs 6 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI uvjhrsu Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI uvjhrsu Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI uvjhrsu - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1044 file.exe 1044 file.exe 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2744 Process not Found - Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 1044 file.exe 1228 uvjhrsu - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeShutdownPrivilege 2744 Process not Found Token: SeCreatePagefilePrivilege 2744 Process not Found
Processes
-
C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:1044
-
C:\Users\Admin\AppData\Roaming\uvjhrsuC:\Users\Admin\AppData\Roaming\uvjhrsu1⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:1228
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Roaming\uvjhrsu
- Size 351KB
- SHA256 aa157de3a33597398c5dc31f14cb9bbbe5726d3e2fe51d2c1999959a65c1c7b8
- MD5 3a086fbfacd6ad88b575b3fca6a8e9dc
- SHA1 057ac0ecc91be5136e4c9a12acdcb30450924af0
- SHA512 a6032897490ac44428cb6a5059a964a52b30362f1a62a673e4b047898fb26a5cd4f0336d62efe03d8f874cea477fd2b3d8b797eb820f53fbb50f75054d92487f
- SSDEEP 6144:V6BFw3AmlUILY99qEQtfJSaoljFnMW2Rqn3FK5Yb:VKK3Amid9qHtfA3MW33FK5Yb
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\uvjhrsu
- Size 351KB
- SHA256 aa157de3a33597398c5dc31f14cb9bbbe5726d3e2fe51d2c1999959a65c1c7b8
- MD5 3a086fbfacd6ad88b575b3fca6a8e9dc
- SHA1 057ac0ecc91be5136e4c9a12acdcb30450924af0
- SHA512 a6032897490ac44428cb6a5059a964a52b30362f1a62a673e4b047898fb26a5cd4f0336d62efe03d8f874cea477fd2b3d8b797eb820f53fbb50f75054d92487f
- SSDEEP 6144:V6BFw3AmlUILY99qEQtfJSaoljFnMW2Rqn3FK5Yb:VKK3Amid9qHtfA3MW33FK5Yb
- MD5 SHA1 SHA512 SSDEEP