Analysis
- max time kernel
146s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
- submitted
14/06/2023, 06:32
General
- Target SecuriteInfo.com.Win32.PWSX-gen.9590.31775.exe
- Size 784KB
- Sample230614-hal8vade43
- SHA256 257ba93dab8da864d90c650cfd8b28bd5df50817f574febd5ae102648c5abf1c
Malware Config
Extracted
-
agenttesla
-
https://api.telegram.org/bot6254200827:AAE72ehike93Yl10K-g-eoD9WA3Xk9taVes/
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.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
- Looks up external IP address via web service 2 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 4 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 14 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.9590.31775.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.9590.31775.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- 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\Roaming\KGqiFrVe.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\KGqiFrVe" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1117.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.9590.31775.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.9590.31775.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
__PSScriptPolicyTest_5vj2pcp3.gxz.ps1
tmp1117.tmp
memory/2104-178-0x000000007F3C0000-0x000000007F3D0000-memory.dmp
memory/2104-179-0x0000000007A00000-0x000000000807A000-memory.dmp
memory/2104-185-0x00000000076F0000-0x00000000076F8000-memory.dmp
memory/2104-184-0x0000000007710000-0x000000000772A000-memory.dmp
memory/2104-183-0x0000000007600000-0x000000000760E000-memory.dmp
memory/2104-144-0x0000000004AE0000-0x0000000004B16000-memory.dmp
memory/2104-182-0x0000000007650000-0x00000000076E6000-memory.dmp
memory/2104-163-0x00000000060C0000-0x00000000060DE000-memory.dmp
memory/2104-148-0x00000000051F0000-0x0000000005818000-memory.dmp
memory/2104-147-0x0000000004BB0000-0x0000000004BC0000-memory.dmp
memory/2104-181-0x0000000007430000-0x000000000743A000-memory.dmp
memory/2104-151-0x00000000050E0000-0x0000000005102000-memory.dmp
memory/2104-152-0x0000000005920000-0x0000000005986000-memory.dmp
memory/2104-180-0x00000000073C0000-0x00000000073DA000-memory.dmp
memory/2104-177-0x0000000004BB0000-0x0000000004BC0000-memory.dmp
memory/2104-176-0x0000000006640000-0x000000000665E000-memory.dmp
memory/2104-166-0x00000000710A0000-0x00000000710EC000-memory.dmp
memory/2104-165-0x0000000006660000-0x0000000006692000-memory.dmp
memory/2104-146-0x0000000004BB0000-0x0000000004BC0000-memory.dmp
memory/2528-153-0x0000000005730000-0x0000000005796000-memory.dmp
memory/2528-164-0x0000000005880000-0x0000000005890000-memory.dmp
memory/2528-149-0x0000000000400000-0x0000000000430000-memory.dmp
memory/2528-188-0x0000000005880000-0x0000000005890000-memory.dmp
memory/2528-189-0x0000000007100000-0x0000000007150000-memory.dmp
memory/4812-134-0x00000000054D0000-0x0000000005A74000-memory.dmp
memory/4812-136-0x0000000004E20000-0x0000000004E2A000-memory.dmp
memory/4812-135-0x0000000004E40000-0x0000000004ED2000-memory.dmp
memory/4812-133-0x00000000003C0000-0x0000000000486000-memory.dmp
memory/4812-139-0x0000000005F00000-0x0000000005F9C000-memory.dmp
memory/4812-138-0x0000000004DE0000-0x0000000004DF0000-memory.dmp
memory/4812-137-0x0000000004DE0000-0x0000000004DF0000-memory.dmp