Analysis
- max time kernel
75s - max time network
149s - platform
windows10_x64 - resource
win10-en - submitted
14/09/2021, 04:27
General
- Target purchase invoice.exe
- Size 346KB
- Sample210914-e2417aegd6
- SHA256 15d1ad2f29ee36af623da350e43406144da9e22eb7d9c2b47ff25deb819fc410
Malware Config
Extracted
-
azorult
-
http://drossmnfg.com/rult/index.php
Signatures
- Azorult
An information stealer that was first discovered in 2016, targeting browsing history and passwords.
- Loads dropped DLL 4 IoCs
- Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- Reads local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
- 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 cryptocurrency files/wallets, possible credential harvesting 2 TTPs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Suspicious use of SetThreadContext 1 IoCs
- Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\purchase invoice.exe"C:\Users\Admin\AppData\Local\Temp\purchase invoice.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\purchase invoice.exe"C:\Users\Admin\AppData\Local\Temp\purchase invoice.exe"2⤵
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/716-117-0x00000000058A0000-0x00000000058A1000-memory.dmp
memory/716-118-0x00000000052C0000-0x00000000052C1000-memory.dmp
memory/716-119-0x00000000053A0000-0x00000000053E8000-memory.dmp
memory/716-120-0x0000000005490000-0x0000000005491000-memory.dmp
memory/716-121-0x0000000005360000-0x000000000536F000-memory.dmp
memory/716-115-0x00000000008F0000-0x00000000008F1000-memory.dmp
memory/716-124-0x00000000053A0000-0x000000000589E000-memory.dmp
memory/3912-122-0x0000000000400000-0x0000000000420000-memory.dmp
memory/3912-125-0x0000000000400000-0x0000000000420000-memory.dmp