Analysis
- max time kernel
76s - max time network
127s - platform
windows10-2004_x64 - resource
win10v2004-20220414-en - submitted
10/05/2022, 04:39
General
- Target SecuriteInfo.com.Scr.Malcodegdn30.26571.exe
- Size 920KB
- Sample220510-e9yt5sehf5
- SHA256 42538c71c23cda915aff772266da886e27beeadec042ccf17c5ebb896b56a537
Malware Config
Extracted
-
Protocol
smtp
-
Host
smtp.tranpotescamdonic.us
-
Port
587
-
Username
-
Password
aDa(NsK$5
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
smtp.tranpotescamdonic.us
-
Port
587
-
Username
-
Password
aDa(NsK$5
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
- Adds Run key to start application 2 TTPs 1 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 4 IoCs
- Suspicious use of AdjustPrivilegeToken 2 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.Scr.Malcodegdn30.26571.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Scr.Malcodegdn30.26571.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- 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\hXTglhXgnFGIe.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\hXTglhXgnFGIe" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC1E8.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Scr.Malcodegdn30.26571.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Scr.Malcodegdn30.26571.exe"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- 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.Scr.Malcodegdn30.26571.exe.log
tmpC1E8.tmp
memory/1356-153-0x0000000007590000-0x0000000007626000-memory.dmp
memory/1356-152-0x0000000007380000-0x000000000738A000-memory.dmp
memory/1356-156-0x0000000007660000-0x000000000767A000-memory.dmp
memory/1356-155-0x0000000007550000-0x000000000755E000-memory.dmp
memory/1356-138-0x00000000026D0000-0x0000000002706000-memory.dmp
memory/1356-157-0x0000000007640000-0x0000000007648000-memory.dmp
memory/1356-145-0x0000000005950000-0x00000000059B6000-memory.dmp
memory/1356-149-0x00000000065A0000-0x00000000065BE000-memory.dmp
memory/1356-140-0x00000000052B0000-0x00000000058D8000-memory.dmp
memory/1356-144-0x0000000005240000-0x0000000005262000-memory.dmp
memory/1356-151-0x0000000007310000-0x000000000732A000-memory.dmp
memory/1356-146-0x0000000006000000-0x000000000601E000-memory.dmp
memory/1356-150-0x0000000007950000-0x0000000007FCA000-memory.dmp
memory/1356-147-0x0000000006FC0000-0x0000000006FF2000-memory.dmp
memory/1356-148-0x0000000070160000-0x00000000701AC000-memory.dmp
memory/1472-132-0x0000000005240000-0x00000000052D2000-memory.dmp
memory/1472-133-0x0000000005220000-0x000000000522A000-memory.dmp
memory/1472-131-0x0000000005750000-0x0000000005CF4000-memory.dmp
memory/1472-130-0x0000000000770000-0x000000000085A000-memory.dmp
memory/1472-135-0x00000000076F0000-0x0000000007756000-memory.dmp
memory/1472-134-0x0000000008B40000-0x0000000008BDC000-memory.dmp
memory/2592-154-0x0000000006700000-0x0000000006750000-memory.dmp
memory/2592-142-0x0000000000400000-0x000000000043A000-memory.dmp