Analysis
- max time kernel
128s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20231222-en - resource tags
- submitted
05/02/2024, 14:41
General
- Target A1234.exe
- Size 801KB
- Sample240205-r2fd2sabg4
- SHA256 99f159f5917886ccb644cbb4d99a570f55fac5845a2869a7afbeccfe464f7a71
Malware Config
Extracted
-
agenttesla
-
https://api.telegram.org/bot6740417848:AAG5U7WvWwupGTM8CQIMwDQuy1jwkD8O49I/
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 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).
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\A1234.exe"C:\Users\Admin\AppData\Local\Temp\A1234.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\A1234.exe"C:\Users\Admin\AppData\Local\Temp\A1234.exe"2⤵
- 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\Local\Temp\A1234.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
A1234.exe.log
__PSScriptPolicyTest_jew5cpnz.vww.ps1
memory/1420-4-0x00000000056B0000-0x00000000056C0000-memory.dmp
memory/1420-9-0x00000000077D0000-0x00000000077DE000-memory.dmp
memory/1420-2-0x0000000005A70000-0x0000000006014000-memory.dmp
memory/1420-6-0x00000000056C0000-0x000000000575C000-memory.dmp
memory/1420-5-0x00000000055B0000-0x00000000055BA000-memory.dmp
memory/1420-7-0x0000000007780000-0x0000000007794000-memory.dmp
memory/1420-8-0x00000000077C0000-0x00000000077CA000-memory.dmp
memory/1420-3-0x0000000005400000-0x0000000005492000-memory.dmp
memory/1420-10-0x0000000007B40000-0x0000000007BC4000-memory.dmp
memory/1420-11-0x0000000074D60000-0x0000000075510000-memory.dmp
memory/1420-0-0x0000000000950000-0x0000000000A1E000-memory.dmp
memory/1420-15-0x00000000056B0000-0x00000000056C0000-memory.dmp
memory/1420-16-0x0000000074D60000-0x0000000075510000-memory.dmp
memory/1420-1-0x0000000074D60000-0x0000000075510000-memory.dmp
memory/2584-34-0x0000000006090000-0x00000000060F6000-memory.dmp
memory/2584-57-0x0000000007B40000-0x0000000007B51000-memory.dmp
memory/2584-20-0x0000000074D60000-0x0000000075510000-memory.dmp
memory/2584-23-0x00000000051C0000-0x00000000051D0000-memory.dmp
memory/2584-22-0x0000000005800000-0x0000000005E28000-memory.dmp
memory/2584-29-0x0000000005E30000-0x0000000005E52000-memory.dmp
memory/2584-64-0x0000000074D60000-0x0000000075510000-memory.dmp
memory/2584-21-0x00000000051C0000-0x00000000051D0000-memory.dmp
memory/2584-61-0x0000000007C60000-0x0000000007C68000-memory.dmp
memory/2584-60-0x0000000007C80000-0x0000000007C9A000-memory.dmp
memory/2584-35-0x0000000006220000-0x0000000006574000-memory.dmp
memory/2584-36-0x0000000006640000-0x000000000665E000-memory.dmp
memory/2584-37-0x0000000006660000-0x00000000066AC000-memory.dmp
memory/2584-38-0x000000007F4F0000-0x000000007F500000-memory.dmp
memory/2584-51-0x00000000051C0000-0x00000000051D0000-memory.dmp
memory/2584-52-0x0000000007800000-0x00000000078A3000-memory.dmp
memory/2584-50-0x0000000006BD0000-0x0000000006BEE000-memory.dmp
memory/2584-53-0x0000000007F90000-0x000000000860A000-memory.dmp
memory/2584-54-0x0000000007940000-0x000000000795A000-memory.dmp
memory/2584-55-0x00000000079C0000-0x00000000079CA000-memory.dmp
memory/2584-40-0x00000000709E0000-0x0000000070A2C000-memory.dmp
memory/2584-56-0x0000000007BC0000-0x0000000007C56000-memory.dmp
memory/2584-18-0x0000000002C90000-0x0000000002CC6000-memory.dmp
memory/2584-39-0x00000000075C0000-0x00000000075F2000-memory.dmp
memory/2584-58-0x0000000007B70000-0x0000000007B7E000-memory.dmp
memory/2584-59-0x0000000007B80000-0x0000000007B94000-memory.dmp
memory/3712-17-0x0000000074D60000-0x0000000075510000-memory.dmp
memory/3712-12-0x0000000000400000-0x0000000000442000-memory.dmp
memory/3712-19-0x0000000005150000-0x00000000051B6000-memory.dmp
memory/3712-65-0x00000000066C0000-0x0000000006710000-memory.dmp
memory/3712-66-0x0000000074D60000-0x0000000075510000-memory.dmp
memory/3712-67-0x00000000050D0000-0x00000000050E0000-memory.dmp