Analysis
- max time kernel
151s - max time network
147s - platform
windows10-2004_x64 - resource
win10v2004-20230915-en - resource tags
- submitted
15/09/2023, 21:39
General
- Target SecuriteInfo.com.W32.Kryptik.KMY.gen.Eldorado.32288.31536.exe
- Size 267KB
- Sample230915-1hlldsab49
- SHA256 7a3ed98aad8f0e6cc774200cdc7b35b86bffdb5f5ce23e8750acb0945d3c78fd
Malware Config
Extracted
-
smokeloader
-
up3
Extracted
-
smokeloader
-
2020
-
http://host-file-host6.com/
-
http://host-host-file8.com/
Signatures
- SmokeLoader
Modular backdoor trojan in use since 2014.
- Executes dropped EXE 2 IoCs
- Suspicious use of SetThreadContext 2 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
- Suspicious use of WriteProcessMemory 12 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.32288.31536.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.Kryptik.KMY.gen.Eldorado.32288.31536.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.Kryptik.KMY.gen.Eldorado.32288.31536.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.Kryptik.KMY.gen.Eldorado.32288.31536.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
-
-
C:\Users\Admin\AppData\Roaming\fgvhjuuC:\Users\Admin\AppData\Roaming\fgvhjuu1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Roaming\fgvhjuuC:\Users\Admin\AppData\Roaming\fgvhjuu2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
fgvhjuu
fgvhjuu
fgvhjuu
memory/1320-5-0x0000000000AA0000-0x0000000000AB6000-memory.dmp
memory/1320-19-0x0000000002590000-0x00000000025A6000-memory.dmp
memory/1500-1-0x0000000000AE0000-0x0000000000BE0000-memory.dmp
memory/1500-2-0x0000000000AC0000-0x0000000000AC9000-memory.dmp
memory/3924-22-0x0000000000400000-0x0000000000409000-memory.dmp
memory/4224-16-0x0000000000A10000-0x0000000000B10000-memory.dmp
memory/4696-3-0x0000000000400000-0x0000000000409000-memory.dmp
memory/4696-4-0x0000000000400000-0x0000000000409000-memory.dmp
memory/4696-6-0x0000000000400000-0x0000000000409000-memory.dmp