Analysis
- max time kernel
141s - max time network
155s - platform
windows10_x64 - resource
win10-en-20211208 - submitted
25/01/2022, 11:35
General
- Target 389bf386879eaa9b7968f63ecaca6d04.exe
- Size 909KB
- Sample220125-np576afbcq
- SHA256 23c38809e80f5f176d8f44eb232184ba707e03f28ef0680d5cec943cb93966f8
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
us2.smtp.mailhostbox.com
-
Port
587
-
Username
-
Password
n(aGI^pW6
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 1 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 Microsoft Outlook profiles 1 TTPs 3 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\389bf386879eaa9b7968f63ecaca6d04.exe"C:\Users\Admin\AppData\Local\Temp\389bf386879eaa9b7968f63ecaca6d04.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\389bf386879eaa9b7968f63ecaca6d04.exe"C:\Users\Admin\AppData\Local\Temp\389bf386879eaa9b7968f63ecaca6d04.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/3080-121-0x0000000004ED0000-0x0000000004EDE000-memory.dmp
memory/3080-117-0x0000000004AA0000-0x0000000004B32000-memory.dmp
memory/3080-118-0x0000000004C10000-0x0000000004C1A000-memory.dmp
memory/3080-120-0x00000000049E0000-0x0000000004EDE000-memory.dmp
memory/3080-119-0x0000000004D10000-0x0000000004DAC000-memory.dmp
memory/3080-115-0x0000000000040000-0x000000000012A000-memory.dmp
memory/3080-122-0x000000007E870000-0x000000007E871000-memory.dmp
memory/3080-123-0x0000000005A60000-0x0000000005B1A000-memory.dmp
memory/3080-116-0x0000000004EE0000-0x00000000053DE000-memory.dmp
memory/3980-124-0x0000000000400000-0x000000000043C000-memory.dmp
memory/3980-126-0x00000000053F0000-0x00000000058EE000-memory.dmp
memory/3980-127-0x00000000058D0000-0x00000000058E8000-memory.dmp
memory/3980-128-0x0000000006060000-0x00000000060C6000-memory.dmp