Analysis
- max time kernel
300s - max time network
183s - platform
windows10-1703_x64 - resource
win10-20230915-en - resource tags
- submitted
21/09/2023, 04:26
General
- Target a23df2fd3d2e57b1c0168c24f3b791fc51d65bae99570ee3fe18c31a6689a6d8.exe
- Size 202KB
- Sample230921-e2z28sdb3z
- SHA256 a23df2fd3d2e57b1c0168c24f3b791fc51d65bae99570ee3fe18c31a6689a6d8
Malware Config
Extracted
-
smokeloader
-
pub1
Extracted
-
smokeloader
-
2022
-
http://gudintas.at/tmp/
-
http://pik96.ru/tmp/
-
http://rosatiauto.com/tmp/
-
http://kingpirate.ru/tmp/
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: GetForegroundWindowSpam 1 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\a23df2fd3d2e57b1c0168c24f3b791fc51d65bae99570ee3fe18c31a6689a6d8.exe"C:\Users\Admin\AppData\Local\Temp\a23df2fd3d2e57b1c0168c24f3b791fc51d65bae99570ee3fe18c31a6689a6d8.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
-
C:\Users\Admin\AppData\Roaming\iaeutifC:\Users\Admin\AppData\Roaming\iaeutif1⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
iaeutif
iaeutif
memory/3152-4-0x0000000000800000-0x0000000000816000-memory.dmp
memory/3152-17-0x0000000002590000-0x00000000025A6000-memory.dmp
memory/3352-3-0x0000000000400000-0x0000000000546000-memory.dmp
memory/3352-5-0x0000000000400000-0x0000000000546000-memory.dmp
memory/3352-8-0x00000000001C0000-0x00000000001C9000-memory.dmp
memory/3352-9-0x00000000005C0000-0x00000000005D5000-memory.dmp
memory/3352-0-0x00000000005C0000-0x00000000005D5000-memory.dmp
memory/3352-2-0x0000000000400000-0x0000000000546000-memory.dmp
memory/3352-1-0x00000000001C0000-0x00000000001C9000-memory.dmp
memory/4144-15-0x0000000000400000-0x0000000000546000-memory.dmp
memory/4144-16-0x0000000000400000-0x0000000000546000-memory.dmp
memory/4144-20-0x0000000000400000-0x0000000000546000-memory.dmp