Analysis
- max time kernel
141s - max time network
156s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
- submitted
19/02/2024, 03:28
General
- Target SecuriteInfo.com.TrojanLoader.MSIL.DaVinci.Heur.8283.15875.exe
- Size 695KB
- Sample240219-d1bskshb5w
- SHA256 900d537d757fdc15a522d6643dc9071294fa5b30ecdf0807fe3fcd0f9680ce40
Malware Config
Extracted
-
Protocol
smtp
-
Host
us2.smtp.mailhostbox.com
-
Port
587
-
Username
-
Password
^lMiJzV4
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
us2.smtp.mailhostbox.com
-
Port
587
-
Username
-
Password
^lMiJzV4
-
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 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
- Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious behavior: EnumeratesProcesses 7 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.TrojanLoader.MSIL.DaVinci.Heur.8283.15875.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.TrojanLoader.MSIL.DaVinci.Heur.8283.15875.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\Local\Temp\SecuriteInfo.com.TrojanLoader.MSIL.DaVinci.Heur.8283.15875.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.TrojanLoader.MSIL.DaVinci.Heur.8283.15875.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.TrojanLoader.MSIL.DaVinci.Heur.8283.15875.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
__PSScriptPolicyTest_fjqgiona.l20.ps1
memory/1772-13-0x0000000074F90000-0x0000000075740000-memory.dmp
memory/1772-1-0x0000000000630000-0x00000000006E4000-memory.dmp
memory/1772-2-0x0000000005760000-0x0000000005D04000-memory.dmp
memory/1772-3-0x00000000050D0000-0x0000000005162000-memory.dmp
memory/1772-4-0x00000000052D0000-0x00000000052E0000-memory.dmp
memory/1772-5-0x0000000005090000-0x000000000509A000-memory.dmp
memory/1772-6-0x0000000005420000-0x000000000543C000-memory.dmp
memory/1772-7-0x00000000066F0000-0x0000000006702000-memory.dmp
memory/1772-8-0x0000000006A50000-0x0000000006AD4000-memory.dmp
memory/1772-9-0x00000000090B0000-0x000000000914C000-memory.dmp
memory/1772-0-0x0000000074F90000-0x0000000075740000-memory.dmp
memory/4876-12-0x0000000074F90000-0x0000000075740000-memory.dmp
memory/4876-10-0x0000000000400000-0x0000000000442000-memory.dmp
memory/4876-17-0x0000000004E40000-0x0000000004EA6000-memory.dmp
memory/4876-65-0x0000000004DB0000-0x0000000004DC0000-memory.dmp
memory/4876-64-0x0000000074F90000-0x0000000075740000-memory.dmp
memory/4876-54-0x00000000064E0000-0x0000000006530000-memory.dmp
memory/4876-14-0x0000000004DB0000-0x0000000004DC0000-memory.dmp
memory/5096-39-0x0000000070C10000-0x0000000070C5C000-memory.dmp
memory/5096-51-0x0000000008240000-0x00000000088BA000-memory.dmp
memory/5096-22-0x00000000059B0000-0x0000000005A16000-memory.dmp
memory/5096-20-0x0000000005AC0000-0x00000000060E8000-memory.dmp
memory/5096-28-0x00000000062D0000-0x0000000006624000-memory.dmp
memory/5096-33-0x0000000006910000-0x000000000692E000-memory.dmp
memory/5096-34-0x0000000006990000-0x00000000069DC000-memory.dmp
memory/5096-35-0x0000000005480000-0x0000000005490000-memory.dmp
memory/5096-37-0x000000007F890000-0x000000007F8A0000-memory.dmp
memory/5096-38-0x0000000006EB0000-0x0000000006EE2000-memory.dmp
memory/5096-15-0x0000000002F30000-0x0000000002F66000-memory.dmp
memory/5096-49-0x0000000006E90000-0x0000000006EAE000-memory.dmp
memory/5096-50-0x0000000007AD0000-0x0000000007B73000-memory.dmp
memory/5096-21-0x0000000005790000-0x00000000057B2000-memory.dmp
memory/5096-52-0x0000000007C00000-0x0000000007C1A000-memory.dmp
memory/5096-53-0x0000000007C70000-0x0000000007C7A000-memory.dmp
memory/5096-16-0x0000000074F90000-0x0000000075740000-memory.dmp
memory/5096-55-0x0000000007E80000-0x0000000007F16000-memory.dmp
memory/5096-56-0x0000000007E00000-0x0000000007E11000-memory.dmp
memory/5096-57-0x0000000007E30000-0x0000000007E3E000-memory.dmp
memory/5096-58-0x0000000007E40000-0x0000000007E54000-memory.dmp
memory/5096-59-0x0000000007F40000-0x0000000007F5A000-memory.dmp
memory/5096-60-0x0000000007F20000-0x0000000007F28000-memory.dmp
memory/5096-63-0x0000000074F90000-0x0000000075740000-memory.dmp
memory/5096-19-0x0000000005480000-0x0000000005490000-memory.dmp
memory/5096-18-0x0000000005480000-0x0000000005490000-memory.dmp