Analysis
- max time kernel
149s - max time network
147s - platform
windows10-2004_x64 - resource
win10v2004-20250619-en - resource tags
- submitted
12/10/2025, 19:33
General
- Target PO-0839380292.exe
- Size 635KB
- Sample251012-x9vftseq31
- SHA256 3cc8ebdc770eed05864ce67f642df1d35a59005ee108fbeba205cf8e9f27f514
Malware Config
Extracted
-
Protocol
ftp
-
Host
ftp.fosna.net
-
Port
21
-
Username
-
Password
(=8fPSH$KO_!
Extracted
-
agenttesla
-
Protocol
ftp
-
Host
ftp://ftp.fosna.net
-
Port
21
-
Username
-
Password
(=8fPSH$KO_!
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Agenttesla family
- Command and Scripting Interpreter: PowerShell 1 TTPs 1 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.
- 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 3 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).
- System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\PO-0839380292.exe"C:\Users\Admin\AppData\Local\Temp\PO-0839380292.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- 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\PO-0839380292.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Users\Admin\AppData\Local\Temp\PO-0839380292.exe"C:\Users\Admin\AppData\Local\Temp\PO-0839380292.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
__PSScriptPolicyTest_ukrgoxsj.xix.ps1
memory/1676-1-0x0000000005240000-0x00000000057E4000-memory.dmp
memory/1676-2-0x0000000004C90000-0x0000000004D22000-memory.dmp
memory/1676-3-0x0000000004F20000-0x0000000004F30000-memory.dmp
memory/1676-4-0x0000000004C30000-0x0000000004C3A000-memory.dmp
memory/1676-5-0x0000000004F30000-0x0000000004FCC000-memory.dmp
memory/1676-6-0x0000000004DE0000-0x0000000004DEC000-memory.dmp
memory/1676-7-0x0000000004F20000-0x0000000004F30000-memory.dmp
memory/1676-8-0x0000000006760000-0x00000000067E6000-memory.dmp
memory/1676-0-0x00000000001A0000-0x0000000000246000-memory.dmp
memory/2044-41-0x00000000075D0000-0x00000000075DA000-memory.dmp
memory/2044-43-0x00000000077E0000-0x0000000007876000-memory.dmp
memory/2044-12-0x0000000002950000-0x0000000002986000-memory.dmp
memory/2044-48-0x0000000007880000-0x0000000007888000-memory.dmp
memory/2044-15-0x00000000056A0000-0x0000000005CC8000-memory.dmp
memory/2044-16-0x0000000005370000-0x0000000005392000-memory.dmp
memory/2044-17-0x0000000005410000-0x0000000005476000-memory.dmp
memory/2044-47-0x00000000078A0000-0x00000000078BA000-memory.dmp
memory/2044-25-0x0000000005CD0000-0x0000000006024000-memory.dmp
memory/2044-26-0x0000000006240000-0x000000000625E000-memory.dmp
memory/2044-27-0x00000000062D0000-0x000000000631C000-memory.dmp
memory/2044-28-0x0000000006810000-0x0000000006842000-memory.dmp
memory/2044-29-0x0000000070310000-0x000000007035C000-memory.dmp
memory/2044-37-0x0000000006850000-0x000000000686E000-memory.dmp
memory/2044-38-0x0000000007430000-0x00000000074D3000-memory.dmp
memory/2044-39-0x0000000007BB0000-0x000000000822A000-memory.dmp
memory/2044-40-0x0000000007560000-0x000000000757A000-memory.dmp
memory/2044-46-0x00000000077A0000-0x00000000077B4000-memory.dmp
memory/2044-45-0x0000000007790000-0x000000000779E000-memory.dmp
memory/2044-13-0x0000000005060000-0x0000000005070000-memory.dmp
memory/2044-44-0x0000000007760000-0x0000000007771000-memory.dmp
memory/4524-42-0x0000000006C70000-0x0000000006CC0000-memory.dmp
memory/4524-9-0x0000000000400000-0x0000000000442000-memory.dmp
memory/4524-11-0x00000000055B0000-0x00000000055C0000-memory.dmp
memory/4524-14-0x0000000005500000-0x0000000005566000-memory.dmp
memory/4524-51-0x00000000055B0000-0x00000000055C0000-memory.dmp