Resubmissions
11/04/2024, 09:38
240411-ll3lragg451011/04/2024, 09:38
240411-ll3azsbh8z1011/04/2024, 09:38
240411-ll2pfsgg441011/04/2024, 09:38
240411-ll2dpabh8x1011/04/2024, 09:37
240411-llsrjsbh8v1009/04/2024, 03:24
240409-dx2vlage811009/04/2024, 03:23
240409-dxjn1sda441016/01/2024, 16:35
240116-t3vapsehak10Analysis
- max time kernel
300s - max time network
260s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
11/04/2024, 09:38
General
- Target file.exe
- Size 234KB
- Sample240411-ll2dpabh8x
- SHA256 b4d9bc9471648ef8d072e524b4c6e3f5793e29b663bc85a9809912e7fad320c2
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
- Executes dropped EXE 1 IoCs
- Checks SCSI registry key(s) 3 TTPs 6 IoCs
SCSI information is often read in order to detect sandboxing environments.
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious behavior: MapViewOfSection 2 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- 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
-
C:\Users\Admin\AppData\Roaming\iacasrsC:\Users\Admin\AppData\Roaming\iacasrs1⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
iacasrs
memory/2448-1-0x00000000006F0000-0x00000000007F0000-memory.dmp
memory/2448-2-0x00000000006D0000-0x00000000006DB000-memory.dmp
memory/2448-3-0x0000000000400000-0x0000000000440000-memory.dmp
memory/2448-5-0x0000000000400000-0x0000000000440000-memory.dmp
memory/3440-4-0x0000000000DD0000-0x0000000000DE6000-memory.dmp
memory/3440-16-0x0000000002B90000-0x0000000002BA6000-memory.dmp
memory/4020-14-0x0000000000500000-0x0000000000600000-memory.dmp
memory/4020-15-0x0000000000400000-0x0000000000440000-memory.dmp
memory/4020-19-0x0000000000400000-0x0000000000440000-memory.dmp