Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
18/08/2024, 11:23
General
- Target file.exe
- Size 2.5MB
- Sample240818-ng5xesvank
- SHA256 12ba4ba5d28771a0ffdfc88f9542718b9d67caddfeedb68ddac6688e8cefd76e
Malware Config
Extracted
-
stealc
-
default
-
http://193.176.190.41
-
url_path
/2fa883eebd632382.php
Signatures
- Stealc
Stealc is an infostealer written in C++.
- Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
- Downloads MZ/PE file
- Executes dropped EXE 2 IoCs
- Loads dropped DLL 2 IoCs
- Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
- Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
- Suspicious use of SetThreadContext 1 IoCs
- System Location Discovery: System Language Discovery 1 TTPs 7 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 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 21 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c start "" "C:\ProgramData\IEHJDGIDBA.exe"3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\ProgramData\IEHJDGIDBA.exe"C:\ProgramData\IEHJDGIDBA.exe"4⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe/C /create /F /sc minute /mo 1 /tn "Telemetry Logging" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe"5⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
-
-
-
-
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C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exeC:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe/C /create /F /sc minute /mo 1 /tn "Telemetry Logging" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
IEHJDGIDBA.exe
mozglue.dll
nss3.dll
memory/3132-69-0x0000000000400000-0x0000000000643000-memory.dmp
memory/3132-67-0x0000000000400000-0x0000000000643000-memory.dmp
memory/3132-72-0x0000000000400000-0x0000000000643000-memory.dmp
memory/3132-74-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/3132-155-0x0000000000400000-0x0000000000643000-memory.dmp
memory/3132-147-0x0000000000400000-0x0000000000643000-memory.dmp
memory/3264-161-0x0000000000400000-0x0000000000BD9000-memory.dmp
memory/3264-154-0x0000000000400000-0x0000000000BD9000-memory.dmp
memory/4184-28-0x0000000002900000-0x0000000002915000-memory.dmp
memory/4184-16-0x0000000002900000-0x0000000002915000-memory.dmp
memory/4184-66-0x0000000002900000-0x0000000002915000-memory.dmp
memory/4184-65-0x0000000002900000-0x0000000002915000-memory.dmp
memory/4184-58-0x0000000002900000-0x0000000002915000-memory.dmp
memory/4184-56-0x0000000002900000-0x0000000002915000-memory.dmp
memory/4184-52-0x0000000002900000-0x0000000002915000-memory.dmp
memory/4184-50-0x0000000002900000-0x0000000002915000-memory.dmp
memory/4184-48-0x0000000002900000-0x0000000002915000-memory.dmp
memory/4184-46-0x0000000002900000-0x0000000002915000-memory.dmp
memory/4184-44-0x0000000002900000-0x0000000002915000-memory.dmp
memory/4184-42-0x0000000002900000-0x0000000002915000-memory.dmp
memory/4184-40-0x0000000002900000-0x0000000002915000-memory.dmp
memory/4184-38-0x0000000002900000-0x0000000002915000-memory.dmp
memory/4184-30-0x0000000002900000-0x0000000002915000-memory.dmp
memory/4184-6-0x0000000002900000-0x000000000291C000-memory.dmp
memory/4184-26-0x0000000002900000-0x0000000002915000-memory.dmp
memory/4184-24-0x0000000002900000-0x0000000002915000-memory.dmp
memory/4184-22-0x0000000002900000-0x0000000002915000-memory.dmp
memory/4184-20-0x0000000002900000-0x0000000002915000-memory.dmp
memory/4184-18-0x0000000002900000-0x0000000002915000-memory.dmp
memory/4184-62-0x0000000002900000-0x0000000002915000-memory.dmp
memory/4184-14-0x0000000002900000-0x0000000002915000-memory.dmp
memory/4184-12-0x0000000002900000-0x0000000002915000-memory.dmp
memory/4184-10-0x0000000002900000-0x0000000002915000-memory.dmp
memory/4184-60-0x0000000002900000-0x0000000002915000-memory.dmp
memory/4184-54-0x0000000002900000-0x0000000002915000-memory.dmp
memory/4184-37-0x0000000002900000-0x0000000002915000-memory.dmp
memory/4184-34-0x0000000002900000-0x0000000002915000-memory.dmp
memory/4184-32-0x0000000002900000-0x0000000002915000-memory.dmp
memory/4184-8-0x0000000002900000-0x0000000002915000-memory.dmp
memory/4184-7-0x0000000002900000-0x0000000002915000-memory.dmp
memory/4184-5-0x0000000005130000-0x000000000524C000-memory.dmp
memory/4184-4-0x0000000074AE0000-0x0000000075290000-memory.dmp
memory/4184-3-0x0000000005010000-0x0000000005134000-memory.dmp
memory/4184-2-0x0000000004F50000-0x0000000004FEC000-memory.dmp
memory/4184-1-0x0000000000240000-0x00000000004C8000-memory.dmp
memory/4184-0-0x0000000074AEE000-0x0000000074AEF000-memory.dmp
memory/4184-71-0x0000000074AE0000-0x0000000075290000-memory.dmp
memory/4184-73-0x0000000074AE0000-0x0000000075290000-memory.dmp
memory/4496-164-0x0000000000400000-0x0000000000BD9000-memory.dmp
memory/4496-169-0x0000000000400000-0x0000000000BD9000-memory.dmp