Analysis
- max time kernel
65s - max time network
67s - platform
windows10_x64 - resource
win10v20210410 - submitted
24/06/2021, 09:22
Errors
General
- Target 78c7b0f66663fb9fffb5c008158152cc.exe
- Size 346KB
- Sample210624-4kca63xpaa
- SHA256 3d4bdebbec823f327133e07e846db7b30ad625215cc273d9af272c5fde02fb0c
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/
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.
- Downloads MZ/PE file
- Executes dropped EXE 2 IoCs
- Deletes itself 1 IoCs
- Loads dropped DLL 1 IoCs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- 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.
- 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 2 IoCs
- Suspicious use of WriteProcessMemory 6 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\78c7b0f66663fb9fffb5c008158152cc.exe"C:\Users\Admin\AppData\Local\Temp\78c7b0f66663fb9fffb5c008158152cc.exe"1⤵
- Loads dropped DLL
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
-
C:\Users\Admin\AppData\Local\Temp\F775.exeC:\Users\Admin\AppData\Local\Temp\F775.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
-
C:\Users\Admin\AppData\Local\Temp\D7F.exeC:\Users\Admin\AppData\Local\Temp\D7F.exe1⤵
- Executes dropped EXE
- Writes to the Master Boot Record (MBR)
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1300-138-0x0000000002600000-0x000000000266B000-memory.dmp
memory/1300-139-0x0000000000400000-0x0000000000946000-memory.dmp
memory/1504-121-0x0000000002780000-0x000000000279A000-memory.dmp
memory/1504-130-0x0000000002912000-0x0000000002913000-memory.dmp
memory/1504-124-0x0000000005370000-0x0000000005371000-memory.dmp
memory/1504-125-0x0000000005A10000-0x0000000005A11000-memory.dmp
memory/1504-126-0x0000000005A40000-0x0000000005A41000-memory.dmp
memory/1504-127-0x0000000000A60000-0x0000000000A8F000-memory.dmp
memory/1504-128-0x0000000000400000-0x0000000000907000-memory.dmp
memory/1504-129-0x0000000002910000-0x0000000002911000-memory.dmp
memory/1504-131-0x0000000002913000-0x0000000002914000-memory.dmp
memory/1504-133-0x0000000002914000-0x0000000002916000-memory.dmp
memory/1504-132-0x0000000005A90000-0x0000000005A91000-memory.dmp
memory/1504-123-0x0000000005340000-0x0000000005359000-memory.dmp
memory/1504-122-0x0000000004E40000-0x0000000004E41000-memory.dmp
memory/1504-142-0x0000000007100000-0x0000000007101000-memory.dmp
memory/1504-137-0x0000000005C20000-0x0000000005C21000-memory.dmp
memory/1504-141-0x0000000006AD0000-0x0000000006AD1000-memory.dmp
memory/1504-140-0x0000000006900000-0x0000000006901000-memory.dmp
memory/3020-117-0x00000000010E0000-0x00000000010F6000-memory.dmp
memory/3212-115-0x0000000000400000-0x00000000008F5000-memory.dmp
memory/3212-114-0x00000000024D0000-0x00000000024D9000-memory.dmp