Analysis
- max time kernel
124s - max time network
129s - platform
windows10-2004_x64 - resource
win10v2004-20240412-en - resource tags
- submitted
15/04/2024, 17:22
General
- Target SecuriteInfo.com.Trojan.MulDropNET.68.28054.3825.exe
- Size 819KB
- Sample240415-vxjsfsbh28
- SHA256 a4cc43c1a6f7f1a92a70e1a9b0ee4157682ca2e22a9c038400c90f4e0053d298
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.clslk.com
-
Port
587
-
Username
-
Password
NUZRATHinam1978
-
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 WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
- 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.
- 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).
- 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
Processes
-
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.MulDropNET.68.28054.3825.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.MulDropNET.68.28054.3825.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\FeZZkqcQRb.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\FeZZkqcQRb" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA3C.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.MulDropNET.68.28054.3825.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.MulDropNET.68.28054.3825.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Replay Monitor
Loading Replay Monitor...
Downloads
SecuriteInfo.com.Trojan.MulDropNET.68.28054.3825.exe.log
__PSScriptPolicyTest_d5pz15nu.mhe.ps1
tmpA3C.tmp
memory/1596-59-0x0000000007EF0000-0x000000000856A000-memory.dmp
memory/1596-21-0x0000000005720000-0x0000000005D48000-memory.dmp
memory/1596-71-0x00000000743E0000-0x0000000074B90000-memory.dmp
memory/1596-68-0x0000000007BD0000-0x0000000007BD8000-memory.dmp
memory/1596-67-0x0000000007BF0000-0x0000000007C0A000-memory.dmp
memory/1596-66-0x0000000007AF0000-0x0000000007B04000-memory.dmp
memory/1596-65-0x0000000007AE0000-0x0000000007AEE000-memory.dmp
memory/1596-40-0x0000000006110000-0x0000000006464000-memory.dmp
memory/1596-15-0x0000000004FB0000-0x0000000004FE6000-memory.dmp
memory/1596-16-0x00000000743E0000-0x0000000074B90000-memory.dmp
memory/1596-18-0x00000000050E0000-0x00000000050F0000-memory.dmp
memory/1596-17-0x00000000050E0000-0x00000000050F0000-memory.dmp
memory/1596-63-0x0000000007B30000-0x0000000007BC6000-memory.dmp
memory/1596-42-0x00000000065C0000-0x000000000660C000-memory.dmp
memory/1596-61-0x0000000007920000-0x000000000792A000-memory.dmp
memory/1596-60-0x00000000078B0000-0x00000000078CA000-memory.dmp
memory/1596-58-0x00000000077A0000-0x0000000007843000-memory.dmp
memory/1596-46-0x0000000007760000-0x0000000007792000-memory.dmp
memory/1596-57-0x0000000006B60000-0x0000000006B7E000-memory.dmp
memory/1596-47-0x0000000070060000-0x00000000700AC000-memory.dmp
memory/1596-28-0x00000000054C0000-0x00000000054E2000-memory.dmp
memory/1596-45-0x000000007F210000-0x000000007F220000-memory.dmp
memory/1596-43-0x00000000050E0000-0x00000000050F0000-memory.dmp
memory/1596-30-0x0000000005EC0000-0x0000000005F26000-memory.dmp
memory/1596-64-0x0000000007AB0000-0x0000000007AC1000-memory.dmp
memory/1596-41-0x0000000006590000-0x00000000065AE000-memory.dmp
memory/2220-22-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2220-62-0x00000000062B0000-0x0000000006300000-memory.dmp
memory/2220-29-0x0000000005400000-0x0000000005466000-memory.dmp
memory/2220-27-0x00000000051D0000-0x00000000051E0000-memory.dmp
memory/2220-25-0x00000000743E0000-0x0000000074B90000-memory.dmp
memory/2220-73-0x00000000051D0000-0x00000000051E0000-memory.dmp
memory/2220-72-0x00000000743E0000-0x0000000074B90000-memory.dmp
memory/3932-20-0x00000000743E0000-0x0000000074B90000-memory.dmp
memory/3932-1-0x0000000000820000-0x00000000008F4000-memory.dmp
memory/3932-4-0x0000000005450000-0x0000000005460000-memory.dmp
memory/3932-0-0x00000000743E0000-0x0000000074B90000-memory.dmp
memory/3932-3-0x0000000005310000-0x00000000053A2000-memory.dmp
memory/3932-10-0x000000000A3C0000-0x000000000A45C000-memory.dmp
memory/3932-9-0x00000000065C0000-0x0000000006644000-memory.dmp
memory/3932-8-0x00000000055F0000-0x00000000055FC000-memory.dmp
memory/3932-7-0x00000000055E0000-0x00000000055E8000-memory.dmp
memory/3932-6-0x0000000005590000-0x00000000055A2000-memory.dmp
memory/3932-5-0x0000000005300000-0x000000000530A000-memory.dmp
memory/3932-2-0x00000000057E0000-0x0000000005D84000-memory.dmp
memory/3932-26-0x00000000743E0000-0x0000000074B90000-memory.dmp