Analysis
- max time kernel
108s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
- submitted
12/03/2024, 08:34
General
- Target SecuriteInfo.com.W32.MSIL_Kryptik.DWR.gen.Eldorado.23180.8848.exe
- Size 652KB
- Sample240312-kge48aef73
- SHA256 18697b61ff9ba0995e8458cd944a96d0e0d75b014e76f1978a51eddec563b405
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.karthikagro.in
-
Port
587
-
Username
-
Password
Yenks@0910
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.karthikagro.in
-
Port
587
-
Username
-
Password
Yenks@0910
-
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.
- 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).
- 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 8 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of WriteProcessMemory 17 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.MSIL_Kryptik.DWR.gen.Eldorado.23180.8848.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.MSIL_Kryptik.DWR.gen.Eldorado.23180.8848.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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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.W32.MSIL_Kryptik.DWR.gen.Eldorado.23180.8848.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\FNVUjxdWAbS.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\FNVUjxdWAbS" /XML "C:\Users\Admin\AppData\Local\Temp\tmp760B.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.MSIL_Kryptik.DWR.gen.Eldorado.23180.8848.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.MSIL_Kryptik.DWR.gen.Eldorado.23180.8848.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
SecuriteInfo.com.W32.MSIL_Kryptik.DWR.gen.Eldorado.23180.8848.exe.log
powershell.exe.log
StartupProfileData-NonInteractive
__PSScriptPolicyTest_orufy30m.p5r.ps1
tmp760B.tmp
memory/1120-23-0x0000000074760000-0x0000000074F10000-memory.dmp
memory/1120-81-0x0000000002300000-0x0000000002310000-memory.dmp
memory/1120-68-0x0000000070ED0000-0x0000000070F1C000-memory.dmp
memory/1120-80-0x000000007EFE0000-0x000000007EFF0000-memory.dmp
memory/1120-82-0x0000000007030000-0x000000000704A000-memory.dmp
memory/1120-85-0x00000000072B0000-0x0000000007346000-memory.dmp
memory/1120-53-0x0000000005DC0000-0x0000000005E0C000-memory.dmp
memory/1120-52-0x0000000005D10000-0x0000000005D2E000-memory.dmp
memory/1120-90-0x0000000007350000-0x0000000007358000-memory.dmp
memory/1120-25-0x0000000002300000-0x0000000002310000-memory.dmp
memory/1120-19-0x0000000002300000-0x0000000002310000-memory.dmp
memory/1120-96-0x0000000074760000-0x0000000074F10000-memory.dmp
memory/1120-22-0x0000000004C40000-0x0000000004C62000-memory.dmp
memory/1944-0-0x00000000004F0000-0x000000000059A000-memory.dmp
memory/1944-1-0x0000000074760000-0x0000000074F10000-memory.dmp
memory/1944-7-0x0000000005230000-0x000000000523C000-memory.dmp
memory/1944-4-0x0000000005100000-0x0000000005110000-memory.dmp
memory/1944-3-0x0000000004F60000-0x0000000004FF2000-memory.dmp
memory/1944-6-0x0000000005210000-0x000000000522C000-memory.dmp
memory/1944-2-0x0000000005430000-0x00000000059D4000-memory.dmp
memory/1944-49-0x0000000074760000-0x0000000074F10000-memory.dmp
memory/1944-8-0x0000000005350000-0x000000000535E000-memory.dmp
memory/1944-5-0x0000000005120000-0x000000000512A000-memory.dmp
memory/1944-9-0x0000000006900000-0x0000000006984000-memory.dmp
memory/1944-10-0x0000000008F70000-0x000000000900C000-memory.dmp
memory/2224-99-0x0000000074760000-0x0000000074F10000-memory.dmp
memory/2224-100-0x0000000005760000-0x0000000005770000-memory.dmp
memory/2224-51-0x0000000005760000-0x0000000005770000-memory.dmp
memory/2224-46-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2224-50-0x0000000074760000-0x0000000074F10000-memory.dmp
memory/2224-98-0x0000000006B90000-0x0000000006BE0000-memory.dmp
memory/2968-18-0x0000000004980000-0x0000000004990000-memory.dmp
memory/2968-75-0x0000000004980000-0x0000000004990000-memory.dmp
memory/2968-69-0x0000000004980000-0x0000000004990000-memory.dmp
memory/2968-66-0x0000000006CA0000-0x0000000006CBE000-memory.dmp
memory/2968-83-0x0000000007690000-0x0000000007D0A000-memory.dmp
memory/2968-55-0x0000000006CC0000-0x0000000006CF2000-memory.dmp
memory/2968-67-0x0000000006F10000-0x0000000006FB3000-memory.dmp
memory/2968-54-0x000000007F9A0000-0x000000007F9B0000-memory.dmp
memory/2968-84-0x00000000070C0000-0x00000000070CA000-memory.dmp
memory/2968-56-0x0000000070ED0000-0x0000000070F1C000-memory.dmp
memory/2968-86-0x0000000007250000-0x0000000007261000-memory.dmp
memory/2968-87-0x0000000007280000-0x000000000728E000-memory.dmp
memory/2968-88-0x0000000007290000-0x00000000072A4000-memory.dmp
memory/2968-26-0x00000000056E0000-0x0000000005746000-memory.dmp
memory/2968-89-0x0000000007390000-0x00000000073AA000-memory.dmp
memory/2968-45-0x0000000005750000-0x0000000005AA4000-memory.dmp
memory/2968-97-0x0000000074760000-0x0000000074F10000-memory.dmp
memory/2968-24-0x0000000004DF0000-0x0000000004E56000-memory.dmp
memory/2968-20-0x0000000004FC0000-0x00000000055E8000-memory.dmp
memory/2968-17-0x0000000004980000-0x0000000004990000-memory.dmp
memory/2968-16-0x0000000074760000-0x0000000074F10000-memory.dmp
memory/2968-15-0x00000000023E0000-0x0000000002416000-memory.dmp