Analysis
- max time kernel
63s - max time network
62s - platform
windows10_x64 - resource
win10v20210408 - submitted
24/06/2021, 15:38
Errors
General
- Target 483b1fb169036064fe3e97a40419b570.exe
- Size 345KB
- Sample210624-dp9esb7yx2
- SHA256 ae70b2dbfa535cfa3e910e8635fb2069c41c3bd0da9e66b066374774f5deac4b
Malware Config
Extracted
-
smokeloader
-
2020
-
http://ppcspb.com/upload/
-
http://mebbing.com/upload/
-
http://twcamel.com/upload/
-
http://howdycash.com/upload/
-
http://lahuertasonora.com/upload/
-
http://kpotiques.com/upload/
Extracted
-
redline
-
sew
-
185.215.113.64:8765
Signatures
- RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
- RedLine Payload 2 IoCs
- SmokeLoader
Modular backdoor trojan in use since 2014.
- Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
- Downloads MZ/PE file
- Executes dropped EXE 3 IoCs
- Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
- Deletes itself 1 IoCs
- Identifies Wine through registry keys 2 TTPs 1 IoCs
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
- Loads dropped DLL 1 IoCs
- Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
- Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
- Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\483b1fb169036064fe3e97a40419b570.exe"C:\Users\Admin\AppData\Local\Temp\483b1fb169036064fe3e97a40419b570.exe"1⤵
- Loads dropped DLL
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
-
C:\Users\Admin\AppData\Local\Temp\3430.exeC:\Users\Admin\AppData\Local\Temp\3430.exe1⤵
- Executes dropped EXE
-
C:\Users\Admin\AppData\Local\Temp\3867.exeC:\Users\Admin\AppData\Local\Temp\3867.exe1⤵
- Executes dropped EXE
- Writes to the Master Boot Record (MBR)
- Suspicious use of AdjustPrivilegeToken
-
C:\Users\Admin\AppData\Local\Temp\43B3.exeC:\Users\Admin\AppData\Local\Temp\43B3.exe1⤵
- Executes dropped EXE
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/856-115-0x0000000000C70000-0x0000000000C79000-memory.dmp
memory/856-116-0x0000000000400000-0x00000000008F5000-memory.dmp
memory/1468-139-0x0000000004930000-0x0000000004931000-memory.dmp
memory/1468-137-0x00000000778A0000-0x0000000077A2E000-memory.dmp
memory/2232-134-0x00000000028B2000-0x00000000028B3000-memory.dmp
memory/2232-133-0x0000000004ED0000-0x0000000004ED1000-memory.dmp
memory/2232-128-0x0000000000400000-0x0000000000907000-memory.dmp
memory/2232-143-0x0000000005A90000-0x0000000005A91000-memory.dmp
memory/2232-142-0x0000000005A40000-0x0000000005A41000-memory.dmp
memory/2232-131-0x00000000028B0000-0x00000000028B1000-memory.dmp
memory/2232-132-0x00000000026C0000-0x00000000026DA000-memory.dmp
memory/2232-140-0x00000000028B4000-0x00000000028B6000-memory.dmp
memory/2232-135-0x00000000028C0000-0x00000000028D9000-memory.dmp
memory/2232-141-0x0000000005A10000-0x0000000005A11000-memory.dmp
memory/2232-136-0x00000000028B3000-0x00000000028B4000-memory.dmp
memory/2232-138-0x00000000053D0000-0x00000000053D1000-memory.dmp
memory/2232-127-0x0000000000910000-0x0000000000A5A000-memory.dmp
memory/2740-117-0x00000000010B0000-0x00000000010C6000-memory.dmp
memory/2844-130-0x0000000000400000-0x0000000000946000-memory.dmp
memory/2844-129-0x0000000002580000-0x00000000025EB000-memory.dmp