Analysis
- max time kernel
150s - max time network
162s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
07/12/2024, 00:03
General
- Target Solara.exe
- Size 702.3MB
- Sample241207-achdnsvmhz
- SHA256 5a11f62b542cfdad4639e490ba312cf0a911edcccbee98dd859ca7c9af19313b
Malware Config
Extracted
-
meduza
-
45.130.145.152
-
anti_dbg
true
-
anti_vm
true
-
build_name
Work
-
extensions
.txt;.doc;.docx;.pdf;.xls;.xlsx;.log;.db;.sqlite
-
grabber_max_size
4.194304e+06
-
port
15666
-
self_destruct
false
Signatures
- Meduza
Meduza is a crypto wallet and info stealer written in C++.
- Meduza Stealer payload 3 IoCs
- Meduza family
- Downloads MZ/PE file
- Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 1 IoCs
- Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses Microsoft Outlook profiles 1 TTPs 5 IoCs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Browser Information Discovery 1 TTPs
Enumerate browser information.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious behavior: EnumeratesProcesses 3 IoCs
- Suspicious use of AdjustPrivilegeToken 45 IoCs
- Suspicious use of WriteProcessMemory 2 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Solara.exe"C:\Users\Admin\AppData\Local\Temp\Solara.exe"1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\librarydll2.exe"C:\Users\Admin\AppData\Local\Temp\librarydll2.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
__PSScriptPolicyTest_lvhxicym.21y.ps1
librarydll2.exe
memory/1468-37-0x000001A643300000-0x000001A64343E000-memory.dmp
memory/1468-36-0x000001A643300000-0x000001A64343E000-memory.dmp
memory/1468-27-0x000001A643300000-0x000001A64343E000-memory.dmp
memory/1468-25-0x00007FFF84470000-0x00007FFF84665000-memory.dmp
memory/2732-16-0x00007FFF66030000-0x00007FFF66AF1000-memory.dmp
memory/2732-15-0x00000139E6100000-0x00000139E6122000-memory.dmp
memory/2732-0-0x00007FFF66033000-0x00007FFF66035000-memory.dmp
memory/2732-5-0x00007FFF66030000-0x00007FFF66AF1000-memory.dmp
memory/2732-4-0x00007FFF66030000-0x00007FFF66AF1000-memory.dmp
memory/2732-3-0x00007FFF66033000-0x00007FFF66035000-memory.dmp
memory/2732-26-0x00007FFF66030000-0x00007FFF66AF1000-memory.dmp
memory/2732-35-0x00007FFF66030000-0x00007FFF66AF1000-memory.dmp
memory/2732-2-0x00007FFF66030000-0x00007FFF66AF1000-memory.dmp
memory/2732-1-0x000001399C970000-0x000001399D970000-memory.dmp