Analysis
- max time kernel
152s - max time network
158s - platform
windows10-2004_x64 - resource
win10v2004-20230915-en - resource tags
- submitted
13/10/2023, 04:48
General
- Target SecuriteInfo.com.W32.Kryptik.KMY.gen.Eldorado.22433.exe
- Size 267KB
- Sample231013-ffdsjsgd37
- SHA256 9e7c8aea93412acc8d8de3a956e8485a86caf40c626b2abd491bd5404df1bfbb
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 UnmapMainImage 1 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\SecuriteInfo.com.W32.Kryptik.KMY.gen.Eldorado.22433.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.Kryptik.KMY.gen.Eldorado.22433.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
-
C:\Users\Admin\AppData\Roaming\vdusgbdC:\Users\Admin\AppData\Roaming\vdusgbd1⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
vdusgbd
vdusgbd
memory/2440-21-0x0000000000400000-0x0000000000711000-memory.dmp
memory/2440-17-0x0000000000400000-0x0000000000711000-memory.dmp
memory/2440-16-0x0000000000910000-0x0000000000A10000-memory.dmp
memory/3096-18-0x0000000002D60000-0x0000000002D76000-memory.dmp
memory/3096-5-0x0000000000E30000-0x0000000000E46000-memory.dmp
memory/4148-4-0x0000000000400000-0x0000000000711000-memory.dmp
memory/4148-9-0x00000000009C0000-0x00000000009C9000-memory.dmp
memory/4148-6-0x0000000000400000-0x0000000000711000-memory.dmp
memory/4148-1-0x0000000000A50000-0x0000000000B50000-memory.dmp
memory/4148-3-0x0000000000400000-0x0000000000711000-memory.dmp
memory/4148-2-0x00000000009C0000-0x00000000009C9000-memory.dmp