Analysis
- max time kernel
91s - max time network
139s - platform
windows10-2004_x64 - resource
win10v2004-20220414-en - submitted
03/07/2022, 20:33
General
- Target SecuriteInfo.com.W32.AIDetectNet.01.26191.exe
- Size 605KB
- Sample220703-zbtsrafbe4
- SHA256 98fc829dfe226972ab5ef313fc593c427656737ccd0a72dd99cc3c340ea6d226
Malware Config
Extracted
-
Protocol
smtp
-
Host
webmail.99pancakes.in
-
Port
587
-
Username
-
Password
dfjhsru4798
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
webmail.99pancakes.in
-
Port
587
-
Username
-
Password
dfjhsru4798
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- suricata: ET MALWARE AgentTesla Exfil Via SMTP
suricata: ET MALWARE AgentTesla Exfil Via SMTP
- 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 6 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 14 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.AIDetectNet.01.26191.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.AIDetectNet.01.26191.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\nfhzKLonThBSsa.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\nfhzKLonThBSsa" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5AF1.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.AIDetectNet.01.26191.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.AIDetectNet.01.26191.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
SecuriteInfo.com.W32.AIDetectNet.01.26191.exe.log
tmp5AF1.tmp
memory/2000-152-0x0000000006B60000-0x0000000006BB0000-memory.dmp
memory/2000-141-0x0000000000400000-0x000000000043A000-memory.dmp
memory/2164-144-0x00000000056C0000-0x0000000005726000-memory.dmp
memory/2164-151-0x0000000007110000-0x000000000712A000-memory.dmp
memory/2164-137-0x0000000002480000-0x00000000024B6000-memory.dmp
memory/2164-140-0x0000000004F20000-0x0000000005548000-memory.dmp
memory/2164-157-0x0000000007430000-0x0000000007438000-memory.dmp
memory/2164-156-0x0000000007450000-0x000000000746A000-memory.dmp
memory/2164-155-0x0000000007340000-0x000000000734E000-memory.dmp
memory/2164-143-0x0000000004DC0000-0x0000000004DE2000-memory.dmp
memory/2164-154-0x0000000007390000-0x0000000007426000-memory.dmp
memory/2164-145-0x0000000005730000-0x0000000005796000-memory.dmp
memory/2164-146-0x0000000005E10000-0x0000000005E2E000-memory.dmp
memory/2164-147-0x0000000006DB0000-0x0000000006DE2000-memory.dmp
memory/2164-148-0x0000000070CD0000-0x0000000070D1C000-memory.dmp
memory/2164-149-0x00000000063C0000-0x00000000063DE000-memory.dmp
memory/2164-150-0x0000000007750000-0x0000000007DCA000-memory.dmp
memory/2164-153-0x0000000007180000-0x000000000718A000-memory.dmp
memory/3124-131-0x0000000005720000-0x0000000005CC4000-memory.dmp
memory/3124-130-0x0000000000660000-0x00000000006FC000-memory.dmp
memory/3124-132-0x0000000005170000-0x0000000005202000-memory.dmp
memory/3124-133-0x0000000005080000-0x000000000508A000-memory.dmp
memory/3124-134-0x0000000008EF0000-0x0000000008F8C000-memory.dmp