Analysis
- max time kernel
69s - max time network
148s - platform
windows7_x64 - resource
win7-20220718-en - resource tags
- submitted
20/07/2022, 05:49
General
- Target SecuriteInfo.com.IL.Trojan.MSILMamut.5433.18030.exe
- Size 584KB
- Sample220720-gh2g3acdc5
- SHA256 a34f20e924863e763dcbede1b80622d8ee3ff3d0190b3b0e3989f7d96e68bf5e
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.hindusthan.com
-
Port
587
-
Username
-
Password
f1o2m3
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.hindusthan.com
-
Port
587
-
Username
-
Password
f1o2m3
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- 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
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 13 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.IL.Trojan.MSILMamut.5433.18030.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.IL.Trojan.MSILMamut.5433.18030.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\oSdQcqUUmuW" /XML "C:\Users\Admin\AppData\Local\Temp\tmp89D9.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.IL.Trojan.MSILMamut.5433.18030.exe"{path}"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
tmp89D9.tmp
memory/884-57-0x00000000054D0000-0x0000000005552000-memory.dmp
memory/884-55-0x0000000076A21000-0x0000000076A23000-memory.dmp
memory/884-54-0x0000000000C00000-0x0000000000C98000-memory.dmp
memory/884-58-0x0000000000AE0000-0x0000000000B1A000-memory.dmp
memory/884-56-0x00000000002A0000-0x00000000002AA000-memory.dmp
memory/1540-66-0x0000000000400000-0x000000000043A000-memory.dmp
memory/1540-61-0x0000000000400000-0x000000000043A000-memory.dmp
memory/1540-62-0x0000000000400000-0x000000000043A000-memory.dmp
memory/1540-64-0x0000000000400000-0x000000000043A000-memory.dmp
memory/1540-65-0x0000000000400000-0x000000000043A000-memory.dmp
memory/1540-69-0x0000000000400000-0x000000000043A000-memory.dmp
memory/1540-71-0x0000000000400000-0x000000000043A000-memory.dmp