Analysis
- max time kernel
125s - max time network
128s - platform
windows10-2004_x64 - resource
win10v2004-20240611-en - resource tags
- submitted
14/06/2024, 01:11
General
- Target 3bab8fe003450bf70cd9ec8c2b92d042d92167da4942046f104f6b3139663a96.exe
- Size 692KB
- Sample240614-bkbfrsshjm
- SHA256 3bab8fe003450bf70cd9ec8c2b92d042d92167da4942046f104f6b3139663a96
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.jvpgclub.com
-
Port
587
-
Username
-
Password
Suman$2024
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.jvpgclub.com
-
Port
587
-
Username
-
Password
Suman$2024
-
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 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.
- 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 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 12 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of WriteProcessMemory 17 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\3bab8fe003450bf70cd9ec8c2b92d042d92167da4942046f104f6b3139663a96.exe"C:\Users\Admin\AppData\Local\Temp\3bab8fe003450bf70cd9ec8c2b92d042d92167da4942046f104f6b3139663a96.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\3bab8fe003450bf70cd9ec8c2b92d042d92167da4942046f104f6b3139663a96.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- 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\yHYZVcCCPt.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\yHYZVcCCPt" /XML "C:\Users\Admin\AppData\Local\Temp\tmp328.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\3bab8fe003450bf70cd9ec8c2b92d042d92167da4942046f104f6b3139663a96.exe"C:\Users\Admin\AppData\Local\Temp\3bab8fe003450bf70cd9ec8c2b92d042d92167da4942046f104f6b3139663a96.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4380,i,18320353784098040629,17273168055569331828,262144 --variations-seed-version --mojo-platform-channel-handle=4368 /prefetch:81⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
powershell.exe.log
StartupProfileData-NonInteractive
__PSScriptPolicyTest_1h3uuqxb.3tj.ps1
tmp328.tmp
memory/436-89-0x0000000006EB0000-0x0000000006F00000-memory.dmp
memory/436-35-0x0000000000400000-0x0000000000440000-memory.dmp
memory/1720-4-0x0000000004E80000-0x0000000004E8A000-memory.dmp
memory/1720-7-0x0000000005160000-0x0000000005170000-memory.dmp
memory/1720-8-0x0000000007AA0000-0x0000000007B22000-memory.dmp
memory/1720-9-0x000000000A200000-0x000000000A29C000-memory.dmp
memory/1720-6-0x0000000007A80000-0x0000000007A9A000-memory.dmp
memory/1720-5-0x0000000074510000-0x0000000074CC0000-memory.dmp
memory/1720-3-0x0000000004EC0000-0x0000000004F52000-memory.dmp
memory/1720-47-0x0000000074510000-0x0000000074CC0000-memory.dmp
memory/1720-2-0x0000000005470000-0x0000000005A14000-memory.dmp
memory/1720-0-0x000000007451E000-0x000000007451F000-memory.dmp
memory/1720-1-0x0000000000520000-0x00000000005D0000-memory.dmp
memory/3948-33-0x0000000005610000-0x0000000005964000-memory.dmp
memory/3948-19-0x0000000004B40000-0x0000000004B62000-memory.dmp
memory/3948-14-0x0000000004650000-0x0000000004686000-memory.dmp
memory/3948-21-0x0000000004C60000-0x0000000004CC6000-memory.dmp
memory/3948-15-0x0000000074510000-0x0000000074CC0000-memory.dmp
memory/3948-22-0x00000000055A0000-0x0000000005606000-memory.dmp
memory/3948-16-0x0000000004CF0000-0x0000000005318000-memory.dmp
memory/3948-18-0x0000000074510000-0x0000000074CC0000-memory.dmp
memory/3948-17-0x0000000074510000-0x0000000074CC0000-memory.dmp
memory/3948-48-0x0000000005C20000-0x0000000005C3E000-memory.dmp
memory/3948-84-0x0000000074510000-0x0000000074CC0000-memory.dmp
memory/3948-81-0x0000000007250000-0x0000000007258000-memory.dmp
memory/3948-62-0x0000000074DB0000-0x0000000074DFC000-memory.dmp
memory/3948-80-0x0000000007270000-0x000000000728A000-memory.dmp
memory/3948-74-0x0000000006F30000-0x0000000006F4A000-memory.dmp
memory/4516-72-0x0000000007920000-0x00000000079C3000-memory.dmp
memory/4516-79-0x0000000007CB0000-0x0000000007CC4000-memory.dmp
memory/4516-50-0x00000000076E0000-0x0000000007712000-memory.dmp
memory/4516-75-0x0000000007AF0000-0x0000000007AFA000-memory.dmp
memory/4516-76-0x0000000007CF0000-0x0000000007D86000-memory.dmp
memory/4516-77-0x0000000007C70000-0x0000000007C81000-memory.dmp
memory/4516-78-0x0000000007CA0000-0x0000000007CAE000-memory.dmp
memory/4516-73-0x00000000080C0000-0x000000000873A000-memory.dmp
memory/4516-61-0x0000000006D00000-0x0000000006D1E000-memory.dmp
memory/4516-51-0x0000000074DB0000-0x0000000074DFC000-memory.dmp
memory/4516-49-0x0000000006930000-0x000000000697C000-memory.dmp
memory/4516-88-0x0000000074510000-0x0000000074CC0000-memory.dmp
memory/4516-36-0x0000000074510000-0x0000000074CC0000-memory.dmp
memory/4516-34-0x0000000074510000-0x0000000074CC0000-memory.dmp
memory/4516-23-0x0000000074510000-0x0000000074CC0000-memory.dmp