Analysis
- max time kernel
35s - max time network
36s - platform
windows7_x64 - resource
win7v20201028 - submitted
20/01/2021, 14:41
General
- Target fa138b74e9f19e6d0efac8bdc3af8931.exe
- Size 682KB
- Sample210120-d1rg7bcsvn
- SHA256 83ee84084d628a921bd29b547f6767e17d8cd89a6132f9d717d5ccab7da72fbd
Malware Config
Extracted
-
azorult
-
http://195.245.112.115/index.php
Signatures
- Azorult
An information stealer that was first discovered in 2016, targeting browsing history and passwords.
- Executes dropped EXE 1 IoCs
- Loads dropped DLL 17 IoCs
- Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- 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.
- JavaScript code in executable 1 IoCs
- 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 3 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 10 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\fa138b74e9f19e6d0efac8bdc3af8931.exe"C:\Users\Admin\AppData\Local\Temp\fa138b74e9f19e6d0efac8bdc3af8931.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe"C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe"2⤵
- Executes dropped EXE
- 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/1624-17-0x000007FEF7800000-0x000007FEF7A7A000-memory.dmp
memory/1652-7-0x0000000000280000-0x0000000000281000-memory.dmp
memory/1652-11-0x0000000004AE1000-0x0000000004AE2000-memory.dmp
memory/1652-2-0x0000000074710000-0x0000000074DFE000-memory.dmp
memory/1652-9-0x00000000009D0000-0x00000000009D1000-memory.dmp
memory/1652-8-0x0000000000830000-0x000000000083B000-memory.dmp
memory/1652-6-0x0000000004AE0000-0x0000000004AE1000-memory.dmp
memory/1652-5-0x0000000000320000-0x000000000033E000-memory.dmp
memory/1652-3-0x0000000000A00000-0x0000000000A01000-memory.dmp
memory/1668-15-0x0000000075571000-0x0000000075573000-memory.dmp
memory/1668-12-0x0000000000400000-0x0000000000420000-memory.dmp
memory/1668-16-0x0000000000400000-0x0000000000420000-memory.dmp