Analysis
- max time kernel
151s - max time network
144s - platform
windows10_x64 - resource
win10-en-20211104 - submitted
07/12/2021, 01:57
General
- Target 3436a603bfcd7ff36a8935a2d6ffcc42.exe
- Size 234KB
- Sample211207-cc9t2affej
- SHA256 17ca1538d136f4fce9b5719d233e94eca28dac49990e83fd90fc51a2abae9443
Malware Config
Extracted
-
smokeloader
-
2020
-
http://rcacademy.at/upload/
-
http://e-lanpengeonline.com/upload/
-
http://vjcmvz.cn/upload/
-
http://galala.ru/upload/
-
http://witra.ru/upload/
Extracted
-
redline
-
195.133.47.114:38627
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 4 IoCs
- Deletes itself 1 IoCs
- Drops startup file 1 IoCs
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Program crash 1 IoCs
- Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
- Suspicious behavior: AddClipboardFormatListener 1 IoCs
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 14 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\3436a603bfcd7ff36a8935a2d6ffcc42.exe"C:\Users\Admin\AppData\Local\Temp\3436a603bfcd7ff36a8935a2d6ffcc42.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
-
C:\Users\Admin\AppData\Local\Temp\2893.exeC:\Users\Admin\AppData\Local\Temp\2893.exe1⤵
- Executes dropped EXE
- Drops startup file
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Roaming\Smart Clock\SmartClock.exe"C:\Users\Admin\AppData\Roaming\Smart Clock\SmartClock.exe"2⤵
- Executes dropped EXE
- Suspicious behavior: AddClipboardFormatListener
-
-
C:\Users\Admin\AppData\Local\Temp\C531.exeC:\Users\Admin\AppData\Local\Temp\C531.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
-
C:\Users\Admin\AppData\Local\Temp\4D2F.exeC:\Users\Admin\AppData\Local\Temp\4D2F.exe1⤵
- Executes dropped EXE
-
C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 3360 -s 4202⤵
- Program crash
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/592-131-0x0000000000611000-0x0000000000691000-memory.dmp
memory/592-133-0x0000000000400000-0x0000000000541000-memory.dmp
memory/592-132-0x00000000007D0000-0x0000000000861000-memory.dmp
memory/688-143-0x0000000005720000-0x0000000005721000-memory.dmp
memory/688-151-0x0000000007930000-0x0000000007931000-memory.dmp
memory/688-150-0x0000000007230000-0x0000000007231000-memory.dmp
memory/688-149-0x0000000006760000-0x0000000006761000-memory.dmp
memory/688-148-0x0000000006B60000-0x0000000006B61000-memory.dmp
memory/688-137-0x0000000000E60000-0x0000000000E61000-memory.dmp
memory/688-139-0x0000000005C90000-0x0000000005C91000-memory.dmp
memory/688-140-0x0000000003170000-0x0000000003171000-memory.dmp
memory/688-141-0x0000000005790000-0x0000000005791000-memory.dmp
memory/688-142-0x00000000056E0000-0x00000000056E1000-memory.dmp
memory/688-147-0x00000000065C0000-0x00000000065C1000-memory.dmp
memory/688-144-0x0000000005680000-0x0000000005C86000-memory.dmp
memory/688-145-0x0000000005A10000-0x0000000005A11000-memory.dmp
memory/688-146-0x0000000006460000-0x0000000006461000-memory.dmp
memory/764-130-0x0000000000400000-0x0000000000541000-memory.dmp
memory/764-125-0x0000000000821000-0x00000000008A1000-memory.dmp
memory/764-129-0x0000000000550000-0x000000000069A000-memory.dmp
memory/3020-121-0x0000000001450000-0x0000000001466000-memory.dmp
memory/3768-119-0x0000000000490000-0x0000000000499000-memory.dmp
memory/3768-120-0x0000000000400000-0x0000000000440000-memory.dmp