Analysis
- max time kernel
158s - max time network
169s - platform
windows10-2004_x64 - resource
win10v2004-20220414-en - submitted
27/05/2022, 20:05
General
- Target 04bfe22ddd8bfd5e8457ec6e11bb6791594292f924e7f5686779a2570403a1c0.exe
- Size 773KB
- Sample220527-yt533afaar
- SHA256 04bfe22ddd8bfd5e8457ec6e11bb6791594292f924e7f5686779a2570403a1c0
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.multichemgroup.net
-
Port
587
-
Username
-
Password
xL55IOx}t97U
Signatures
- 404 Keylogger
Information stealer and keylogger first seen in 2019.
- 404 Keylogger Main Executable 4 IoCs
- UPX packed file 1 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
- Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 63 IoCs
- Suspicious behavior: MapViewOfSection 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 6 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\04bfe22ddd8bfd5e8457ec6e11bb6791594292f924e7f5686779a2570403a1c0.exe"C:\Users\Admin\AppData\Local\Temp\04bfe22ddd8bfd5e8457ec6e11bb6791594292f924e7f5686779a2570403a1c0.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\04bfe22ddd8bfd5e8457ec6e11bb6791594292f924e7f5686779a2570403a1c0.exe"C:\Users\Admin\AppData\Local\Temp\04bfe22ddd8bfd5e8457ec6e11bb6791594292f924e7f5686779a2570403a1c0.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
-
C:\Users\Admin\AppData\Local\Temp\04bfe22ddd8bfd5e8457ec6e11bb6791594292f924e7f5686779a2570403a1c0.exe"C:\Users\Admin\AppData\Local\Temp\04bfe22ddd8bfd5e8457ec6e11bb6791594292f924e7f5686779a2570403a1c0.exe" 2 800 2406515622⤵
- Suspicious behavior: EnumeratesProcesses
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/752-143-0x0000000000400000-0x00000000004C6000-memory.dmp
memory/800-136-0x0000000004B80000-0x0000000005124000-memory.dmp
memory/800-133-0x0000000000900000-0x0000000000922000-memory.dmp
memory/800-134-0x0000000000900000-0x0000000000922000-memory.dmp
memory/800-135-0x0000000000400000-0x0000000000450000-memory.dmp
memory/800-137-0x0000000004990000-0x0000000004A2C000-memory.dmp
memory/800-138-0x0000000000400000-0x0000000000450000-memory.dmp
memory/800-139-0x0000000005B70000-0x0000000005BD6000-memory.dmp
memory/800-140-0x0000000006070000-0x0000000006102000-memory.dmp
memory/800-141-0x0000000006120000-0x00000000062E2000-memory.dmp
memory/800-142-0x0000000006350000-0x000000000635A000-memory.dmp
memory/4948-130-0x0000000000400000-0x00000000004C6000-memory.dmp