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240116-t3vapsehak10Analysis
- max time kernel
1800s - max time network
1560s - platform
windows7_x64 - resource
win7-20240221-en - resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system - submitted
11/04/2024, 09:38
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
file.exe
Resource
win10-20240404-en
Behavioral task
behavioral3
Sample
file.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral4
Sample
file.exe
Resource
win11-20240221-en
General
- Target file.exe
- Size 234KB
- Sample240411-ll3lragg45
- SHA256 b4d9bc9471648ef8d072e524b4c6e3f5793e29b663bc85a9809912e7fad320c2
- MD5 ed0c899ce676b4f803a842b58805b16e
- SHA1 6de3ccba1d1cfa0a9825787ce860201367980b43
- SHA512 fd997ec5291062aea0c473dbdfe412c150296fc7794b8b9a77d3097726e2a6abc2af87d9d9eb1c12b2cf7f3420eaab49a85b387e8fe103381e310d82969eedf9
- SSDEEP 3072:MPh8al1TPcpuOmohvNAJIP1jkxKJoMazKzu2Zoib2LhYt2QeEN4I9jXO9ZJwVQk:Oh11EjhvNPhJo/ezTbrWESIxOTF
- 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 1204 Process not Found - Executes dropped EXE 3 IoCs
pid Process 2920 shhavvi 1000 shhavvi 1744 shhavvi - Checks SCSI registry key(s) 3 TTPs 12 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI shhavvi Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI shhavvi Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI shhavvi Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI shhavvi Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI shhavvi Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI shhavvi Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI shhavvi Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI shhavvi Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI shhavvi - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1700 file.exe 1700 file.exe 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found - Suspicious behavior: MapViewOfSection 4 IoCs
pid Process 1700 file.exe 2920 shhavvi 1000 shhavvi 1744 shhavvi - Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeShutdownPrivilege 1204 Process not Found Token: SeShutdownPrivilege 1204 Process not Found Token: SeShutdownPrivilege 1204 Process not Found Token: SeShutdownPrivilege 1204 Process not Found Token: SeShutdownPrivilege 1204 Process not Found Token: SeShutdownPrivilege 1204 Process not Found - Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 2720 wrote to memory of 2920 2720 taskeng.exe 31 PID 2720 wrote to memory of 2920 2720 taskeng.exe 31 PID 2720 wrote to memory of 2920 2720 taskeng.exe 31 PID 2720 wrote to memory of 2920 2720 taskeng.exe 31 PID 2072 wrote to memory of 1000 2072 taskeng.exe 33 PID 2072 wrote to memory of 1000 2072 taskeng.exe 33 PID 2072 wrote to memory of 1000 2072 taskeng.exe 33 PID 2072 wrote to memory of 1000 2072 taskeng.exe 33 PID 2040 wrote to memory of 1744 2040 taskeng.exe 35 PID 2040 wrote to memory of 1744 2040 taskeng.exe 35 PID 2040 wrote to memory of 1744 2040 taskeng.exe 35 PID 2040 wrote to memory of 1744 2040 taskeng.exe 35 - 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\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:1700
-
C:\Windows\system32\taskeng.exetaskeng.exe {CC860983-C907-4024-8C1E-ED4DD1710371} S-1-5-21-3452737119-3959686427-228443150-1000:QGTQZTRE\Admin:Interactive:[1]1⤵
- Suspicious use of WriteProcessMemory
PID:2720 -
C:\Users\Admin\AppData\Roaming\shhavviC:\Users\Admin\AppData\Roaming\shhavvi2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:2920
-
-
C:\Windows\system32\taskeng.exetaskeng.exe {2594E963-358A-47BA-A6E2-4E8AFB14A837} S-1-5-21-3452737119-3959686427-228443150-1000:QGTQZTRE\Admin:Interactive:[1]1⤵
- Suspicious use of WriteProcessMemory
PID:2072 -
C:\Users\Admin\AppData\Roaming\shhavviC:\Users\Admin\AppData\Roaming\shhavvi2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:1000
-
-
C:\Windows\system32\taskeng.exetaskeng.exe {48B35808-D0D9-468B-8891-DC277B68EE49} S-1-5-21-3452737119-3959686427-228443150-1000:QGTQZTRE\Admin:Interactive:[1]1⤵
- Suspicious use of WriteProcessMemory
PID:2040 -
C:\Users\Admin\AppData\Roaming\shhavviC:\Users\Admin\AppData\Roaming\shhavvi2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:1744
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Roaming\shhavvi
- Size 234KB
- SHA256 b4d9bc9471648ef8d072e524b4c6e3f5793e29b663bc85a9809912e7fad320c2
- MD5 ed0c899ce676b4f803a842b58805b16e
- SHA1 6de3ccba1d1cfa0a9825787ce860201367980b43
- SHA512 fd997ec5291062aea0c473dbdfe412c150296fc7794b8b9a77d3097726e2a6abc2af87d9d9eb1c12b2cf7f3420eaab49a85b387e8fe103381e310d82969eedf9
- SSDEEP 3072:MPh8al1TPcpuOmohvNAJIP1jkxKJoMazKzu2Zoib2LhYt2QeEN4I9jXO9ZJwVQk:Oh11EjhvNPhJo/ezTbrWESIxOTF
- MD5 SHA1 SHA512 SSDEEP