Analysis
- max time kernel
290s - max time network
300s - platform
windows10-1703_x64 - resource
win10-20240404-en - resource tags
- submitted
05/09/2024, 22:43
General
- Target 8cf6f866925650049c693fa5b57236375ae2f47d73b99081b5ed96da32bf41f8.exe
- Size 6.4MB
- Sample240905-2nj57asejp
- SHA256 8cf6f866925650049c693fa5b57236375ae2f47d73b99081b5ed96da32bf41f8
Malware Config
Extracted
-
cryptbot
-
tventyv20ht.top
-
analforeverlovyu.top
-
url_path
/v1/upload.php
Signatures
- CryptBot
CryptBot is a C++ stealer distributed widely in bundle with other software.
- Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
- Executes dropped EXE 5 IoCs
- Loads dropped DLL 5 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).
- System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
- Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious use of WriteProcessMemory 6 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\8cf6f866925650049c693fa5b57236375ae2f47d73b99081b5ed96da32bf41f8.exe"C:\Users\Admin\AppData\Local\Temp\8cf6f866925650049c693fa5b57236375ae2f47d73b99081b5ed96da32bf41f8.exe"1⤵
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\service123.exe"C:\Users\Admin\AppData\Local\Temp\service123.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /create /tn "ServiceData4" /tr "C:\Users\Admin\AppData\Local\Temp\/service123.exe" /st 00:01 /du 9800:59 /sc once /ri 1 /f2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
-
-
C:\Users\Admin\AppData\Local\Temp\service123.exeC:\Users\Admin\AppData\Local\Temp\/service123.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
-
C:\Users\Admin\AppData\Local\Temp\service123.exeC:\Users\Admin\AppData\Local\Temp\/service123.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
-
C:\Users\Admin\AppData\Local\Temp\service123.exeC:\Users\Admin\AppData\Local\Temp\/service123.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
-
C:\Users\Admin\AppData\Local\Temp\service123.exeC:\Users\Admin\AppData\Local\Temp\/service123.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
memory/424-0-0x0000000000400000-0x000000000106D000-memory.dmp
memory/424-1-0x0000000000400000-0x000000000106D000-memory.dmp
memory/424-10-0x0000000000400000-0x000000000106D000-memory.dmp
memory/428-52-0x0000000000CA0000-0x0000000000CB1000-memory.dmp
memory/3224-22-0x0000000000CA0000-0x0000000000CB1000-memory.dmp
memory/3656-67-0x0000000000CA0000-0x0000000000CB1000-memory.dmp
memory/3952-12-0x0000000000CA0000-0x0000000000CB1000-memory.dmp
memory/3952-13-0x0000000073E90000-0x0000000073FCC000-memory.dmp
memory/4736-37-0x0000000000CA0000-0x0000000000CB1000-memory.dmp