Analysis
- max time kernel
71s - max time network
143s - platform
windows10-2004_x64 - resource
win10v2004-20220718-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.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- 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 3 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 11 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⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- 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\tmpD1FB.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
Loading Replay Monitor...
Downloads
SecuriteInfo.com.IL.Trojan.MSILMamut.5433.18030.exe.log
tmpD1FB.tmp
memory/2688-130-0x0000000000350000-0x00000000003E8000-memory.dmp
memory/2688-131-0x0000000005370000-0x0000000005914000-memory.dmp
memory/2688-132-0x0000000004DC0000-0x0000000004E52000-memory.dmp
memory/2688-133-0x0000000004E60000-0x0000000004EFC000-memory.dmp
memory/2688-134-0x0000000004D70000-0x0000000004D7A000-memory.dmp
memory/4404-138-0x0000000000400000-0x000000000043A000-memory.dmp
memory/4404-140-0x00000000055B0000-0x0000000005616000-memory.dmp
memory/4404-141-0x00000000063D0000-0x0000000006420000-memory.dmp