Analysis
- max time kernel
150s - max time network
150s - platform
windows7_x64 - resource
win7-en-20211014 - submitted
05/12/2021, 05:58
General
- Target 72fd6124a1dbe632a397560ace2d813b.exe
- Size 272KB
- Sample211205-gpdpkscaen
- SHA256 d7446941b5aa39ddc27d10fe643a54f80aafb2abaf07e0ab54cefdb72403fed4
Malware Config
Extracted
-
smokeloader
-
2020
-
http://rcacademy.at/upload/
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http://e-lanpengeonline.com/upload/
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http://vjcmvz.cn/upload/
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http://galala.ru/upload/
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http://witra.ru/upload/
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https://cinems.club/search.php
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https://clothes.surf/search.php
Extracted
-
redline
-
195.133.47.114:38622
Signatures
- CryptBot
A C++ stealer distributed widely in bundle with other software.
- 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 6 IoCs
- Deletes itself 1 IoCs
- Drops startup file 1 IoCs
- Loads dropped DLL 3 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.
- Checks SCSI registry key(s) 3 TTPs 6 IoCs
SCSI information is often read in order to detect sandboxing environments.
- Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
- Delays execution with timeout.exe 1 IoCs
- Suspicious behavior: AddClipboardFormatListener 1 IoCs
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 2 IoCs
- Suspicious use of FindShellTrayWindow 2 IoCs
- Suspicious use of SendNotifyMessage 4 IoCs
- Suspicious use of WriteProcessMemory 32 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\72fd6124a1dbe632a397560ace2d813b.exe"C:\Users\Admin\AppData\Local\Temp\72fd6124a1dbe632a397560ace2d813b.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
-
C:\Users\Admin\AppData\Local\Temp\DBA0.exeC:\Users\Admin\AppData\Local\Temp\DBA0.exe1⤵
- Executes dropped EXE
- Drops startup file
- Loads dropped DLL
- 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\F06C.exeC:\Users\Admin\AppData\Local\Temp\F06C.exe1⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
-
C:\Users\Admin\AppData\Local\Temp\802.exeC:\Users\Admin\AppData\Local\Temp\802.exe1⤵
- Executes dropped EXE
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c rd /s /q C:\Users\Admin\AppData\Local\Temp\SycxdTnFubY & timeout 4 & del /f /q "C:\Users\Admin\AppData\Local\Temp\802.exe"2⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\timeout.exetimeout 43⤵
- Delays execution with timeout.exe
-
-
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C:\Users\Admin\AppData\Local\Temp\18F4.exeC:\Users\Admin\AppData\Local\Temp\18F4.exe1⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Local\Temp\44C6.exeC:\Users\Admin\AppData\Local\Temp\44C6.exe1⤵
- Executes dropped EXE
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/756-66-0x0000000000400000-0x00000000004C2000-memory.dmp
memory/756-65-0x00000000002D0000-0x0000000000361000-memory.dmp
memory/756-62-0x0000000000220000-0x00000000002A0000-memory.dmp
memory/840-78-0x000000000063B000-0x0000000000644000-memory.dmp
memory/840-81-0x0000000000400000-0x000000000044B000-memory.dmp
memory/840-80-0x0000000000220000-0x0000000000229000-memory.dmp
memory/860-97-0x0000000004970000-0x0000000004971000-memory.dmp
memory/860-94-0x0000000000A30000-0x0000000000A31000-memory.dmp
memory/960-73-0x0000000001C00000-0x0000000001C80000-memory.dmp
memory/960-75-0x0000000000400000-0x00000000004C2000-memory.dmp
memory/1344-55-0x000000000063B000-0x0000000000644000-memory.dmp
memory/1344-56-0x00000000757A1000-0x00000000757A3000-memory.dmp
memory/1344-57-0x0000000000220000-0x0000000000229000-memory.dmp
memory/1344-58-0x0000000000400000-0x000000000044B000-memory.dmp
memory/1348-59-0x00000000025D0000-0x00000000025E6000-memory.dmp
memory/1348-86-0x0000000003D10000-0x0000000003D26000-memory.dmp
memory/1680-84-0x000000000054B000-0x0000000000571000-memory.dmp
memory/1680-88-0x0000000000400000-0x0000000000468000-memory.dmp
memory/1680-87-0x00000000002F0000-0x0000000000337000-memory.dmp