Analysis
- max time kernel
118s - max time network
120s - platform
windows7_x64 - resource
win7-en-20211208 - submitted
08/01/2022, 15:59
General
- Target 20a4fb50d23656551638133aa3cb49dc.exe
- Size 665KB
- Sample220108-te3beadeel
- SHA256 123f3e76c54fff0e2b50c7a5501b5d531ad16c6eebe301d52a72ba6f7d4efd8a
Malware Config
Signatures
- suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
- Downloads MZ/PE file
- Executes dropped EXE 1 IoCs
- Loads dropped DLL 2 IoCs
- 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.
- Legitimate hosting services abused for malware hosting/C2 1 TTPs
- Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
- Suspicious behavior: EnumeratesProcesses 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 4 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\20a4fb50d23656551638133aa3cb49dc.exe"C:\Users\Admin\AppData\Local\Temp\20a4fb50d23656551638133aa3cb49dc.exe"1⤵
- Loads dropped DLL
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Roaming\Green\neofim.exeneofim.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/1100-56-0x00000000002B0000-0x000000000031B000-memory.dmp
memory/1100-57-0x0000000004470000-0x000000000453E000-memory.dmp
memory/1100-58-0x0000000000400000-0x0000000002BDC000-memory.dmp
memory/1100-55-0x0000000075421000-0x0000000075423000-memory.dmp
memory/2036-63-0x00000000005E8000-0x0000000000614000-memory.dmp
memory/2036-64-0x0000000000220000-0x0000000000259000-memory.dmp
memory/2036-65-0x0000000000400000-0x000000000047A000-memory.dmp
memory/2036-66-0x0000000000580000-0x00000000005B4000-memory.dmp
memory/2036-68-0x0000000004A32000-0x0000000004A33000-memory.dmp
memory/2036-67-0x0000000004A31000-0x0000000004A32000-memory.dmp
memory/2036-69-0x0000000004A33000-0x0000000004A34000-memory.dmp
memory/2036-70-0x0000000000860000-0x0000000000892000-memory.dmp
memory/2036-71-0x0000000004A34000-0x0000000004A36000-memory.dmp