Analysis
- max time kernel
149s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
17/05/2024, 01:55
General
- Target c52c6d6ea2de4840848a63dca6946a7242d7a2c5f918afe41f271c6aecf3a0af.exe
- Size 362KB
- Sample240517-ccapyaca9v
- SHA256 c52c6d6ea2de4840848a63dca6946a7242d7a2c5f918afe41f271c6aecf3a0af
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
cp8nl.hyperhost.ua
-
Port
587
-
Username
-
Password
7213575aceACE@#
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
- Detect packed .NET executables. Mostly AgentTeslaV4. 2 IoCs
- Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 2 IoCs
- Detects executables referencing Windows vault credential objects. Observed in infostealers 2 IoCs
- Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 2 IoCs
- Detects executables referencing many email and collaboration clients. Observed in information stealers 2 IoCs
- Detects executables referencing many file transfer clients. Observed in information stealers 2 IoCs
- Loads dropped DLL 1 IoCs
- Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
- 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.
- Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
- Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Drops file in Windows directory 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 5 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\c52c6d6ea2de4840848a63dca6946a7242d7a2c5f918afe41f271c6aecf3a0af.exe"C:\Users\Admin\AppData\Local\Temp\c52c6d6ea2de4840848a63dca6946a7242d7a2c5f918afe41f271c6aecf3a0af.exe"1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\c52c6d6ea2de4840848a63dca6946a7242d7a2c5f918afe41f271c6aecf3a0af.exe"C:\Users\Admin\AppData\Local\Temp\c52c6d6ea2de4840848a63dca6946a7242d7a2c5f918afe41f271c6aecf3a0af.exe"2⤵
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
System.dll
memory/2308-28-0x0000000000490000-0x00000000004D0000-memory.dmp
memory/2308-31-0x0000000036B50000-0x0000000036BB6000-memory.dmp
memory/2308-36-0x00000000016F0000-0x0000000003F5C000-memory.dmp
memory/2308-12-0x00000000016F0000-0x0000000003F5C000-memory.dmp
memory/2308-25-0x0000000000490000-0x00000000016E4000-memory.dmp
memory/2308-34-0x0000000037820000-0x000000003782A000-memory.dmp
memory/2308-33-0x0000000037740000-0x00000000377D2000-memory.dmp
memory/2308-29-0x0000000036C80000-0x0000000037224000-memory.dmp
memory/2308-27-0x0000000000490000-0x00000000016E4000-memory.dmp
memory/2308-32-0x00000000376F0000-0x0000000037740000-memory.dmp
memory/5088-9-0x0000000004FF0000-0x000000000785C000-memory.dmp
memory/5088-30-0x0000000004FF0000-0x000000000785C000-memory.dmp
memory/5088-10-0x00000000770C1000-0x00000000771E1000-memory.dmp
memory/5088-26-0x0000000004FF0000-0x000000000785C000-memory.dmp
memory/5088-11-0x0000000010004000-0x0000000010005000-memory.dmp