Analysis
- max time kernel
146s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
20/06/2024, 01:11
General
- Target shipping documents.exe
- Size 663KB
- Sample240620-bkd7navdpm
- SHA256 ba5b16c28def8e5d0ea0a09bf25b4d980fe89e3537f7034d775ccdf3bd9f5035
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.springandsummer.lk
-
Port
587
-
Username
-
Password
anu##323
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs
- Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs
- Detects executables packed with SmartAssembly 1 IoCs
- Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs
- Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 1 IoCs
- Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs
- Detects executables referencing many file transfer clients. Observed in information stealers 1 IoCs
- Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- 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).
- Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 13 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of WriteProcessMemory 17 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\shipping documents.exe"C:\Users\Admin\AppData\Local\Temp\shipping documents.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\shipping documents.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\AxawoKKXrVH.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\AxawoKKXrVH" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9C21.tmp"2⤵
- Scheduled Task/Job: Scheduled Task
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
__PSScriptPolicyTest_jnw20fjx.1vc.ps1
tmp9C21.tmp
memory/1108-85-0x00000000066A0000-0x00000000066F0000-memory.dmp
memory/1108-26-0x0000000000400000-0x0000000000442000-memory.dmp
memory/1300-16-0x000000007501E000-0x000000007501F000-memory.dmp
memory/1300-27-0x0000000075010000-0x00000000757C0000-memory.dmp
memory/1300-6-0x0000000075010000-0x00000000757C0000-memory.dmp
memory/1300-7-0x0000000005A20000-0x0000000005A32000-memory.dmp
memory/1300-9-0x0000000005B80000-0x0000000005B8C000-memory.dmp
memory/1300-8-0x0000000005B60000-0x0000000005B68000-memory.dmp
memory/1300-10-0x0000000006A10000-0x0000000006A94000-memory.dmp
memory/1300-0-0x000000007501E000-0x000000007501F000-memory.dmp
memory/1300-1-0x0000000000D90000-0x0000000000E38000-memory.dmp
memory/1300-2-0x0000000005BE0000-0x0000000006184000-memory.dmp
memory/1300-5-0x0000000005910000-0x00000000059AC000-memory.dmp
memory/1300-40-0x0000000075010000-0x00000000757C0000-memory.dmp
memory/1300-3-0x00000000056D0000-0x0000000005762000-memory.dmp
memory/1300-4-0x00000000056C0000-0x00000000056CA000-memory.dmp
memory/3916-23-0x0000000004DF0000-0x0000000004E12000-memory.dmp
memory/3916-25-0x0000000005B80000-0x0000000005BE6000-memory.dmp
memory/3916-24-0x00000000054E0000-0x0000000005546000-memory.dmp
memory/3916-88-0x0000000075010000-0x00000000757C0000-memory.dmp
memory/3916-20-0x0000000075010000-0x00000000757C0000-memory.dmp
memory/3916-19-0x0000000075010000-0x00000000757C0000-memory.dmp
memory/3916-18-0x0000000004EB0000-0x00000000054D8000-memory.dmp
memory/3916-29-0x00000000056D0000-0x0000000005A24000-memory.dmp
memory/3916-15-0x0000000002470000-0x00000000024A6000-memory.dmp
memory/3916-17-0x0000000075010000-0x00000000757C0000-memory.dmp
memory/3916-50-0x0000000005D70000-0x0000000005D8E000-memory.dmp
memory/3916-51-0x0000000005E40000-0x0000000005E8C000-memory.dmp
memory/3916-52-0x0000000006340000-0x0000000006372000-memory.dmp
memory/3916-53-0x0000000075870000-0x00000000758BC000-memory.dmp
memory/4084-73-0x0000000007120000-0x000000000713E000-memory.dmp
memory/4084-80-0x0000000007480000-0x0000000007491000-memory.dmp
memory/4084-74-0x0000000007150000-0x00000000071F3000-memory.dmp
memory/4084-76-0x0000000007280000-0x000000000729A000-memory.dmp
memory/4084-75-0x00000000078D0000-0x0000000007F4A000-memory.dmp
memory/4084-77-0x00000000072F0000-0x00000000072FA000-memory.dmp
memory/4084-79-0x0000000007500000-0x0000000007596000-memory.dmp
memory/4084-63-0x0000000075870000-0x00000000758BC000-memory.dmp
memory/4084-81-0x00000000074B0000-0x00000000074BE000-memory.dmp
memory/4084-82-0x00000000074C0000-0x00000000074D4000-memory.dmp
memory/4084-83-0x00000000075C0000-0x00000000075DA000-memory.dmp
memory/4084-84-0x00000000075A0000-0x00000000075A8000-memory.dmp
memory/4084-30-0x0000000075010000-0x00000000757C0000-memory.dmp
memory/4084-89-0x0000000075010000-0x00000000757C0000-memory.dmp
memory/4084-22-0x0000000075010000-0x00000000757C0000-memory.dmp