Analysis
- max time kernel
143s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
04/06/2024, 01:00
General
- Target Invoice to JH-202304180001.exe
- Size 1022KB
- Sample240604-bcsp3sgd34
- SHA256 7e9ace80bb54631d6c392281fe75cf4e1b171aebbcc863b7e72054931bde64c8
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.mapsenzymes.com
-
Port
587
-
Username
-
Password
Andx4@HE73!n
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.mapsenzymes.com
-
Port
587
-
Username
-
Password
Andx4@HE73!n
-
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 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 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.
- Adds Run key to start application 2 TTPs 1 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious behavior: EnumeratesProcesses 17 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 20 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Invoice to JH-202304180001.exe"C:\Users\Admin\AppData\Local\Temp\Invoice to JH-202304180001.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- 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\Invoice to JH-202304180001.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Users\Admin\AppData\Local\Temp\Invoice to JH-202304180001.exe"C:\Users\Admin\AppData\Local\Temp\Invoice to JH-202304180001.exe"2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\Invoice to JH-202304180001.exe"C:\Users\Admin\AppData\Local\Temp\Invoice to JH-202304180001.exe"2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\Invoice to JH-202304180001.exe"C:\Users\Admin\AppData\Local\Temp\Invoice to JH-202304180001.exe"2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\Invoice to JH-202304180001.exe"C:\Users\Admin\AppData\Local\Temp\Invoice to JH-202304180001.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
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 --no-appcompat-clear --mojo-platform-channel-handle=3820 --field-trial-handle=2248,i,10247514684337323751,15511974759131734137,262144 --variations-seed-version /prefetch:81⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
__PSScriptPolicyTest_jybywlr3.l3f.ps1
memory/1572-6-0x0000000004EB0000-0x0000000004EBA000-memory.dmp
memory/1572-8-0x0000000074E4E000-0x0000000074E4F000-memory.dmp
memory/1572-3-0x0000000004D90000-0x0000000004E22000-memory.dmp
memory/1572-4-0x0000000005850000-0x0000000005BA4000-memory.dmp
memory/1572-5-0x0000000074E40000-0x00000000755F0000-memory.dmp
memory/1572-20-0x0000000074E40000-0x00000000755F0000-memory.dmp
memory/1572-7-0x00000000051C0000-0x00000000051D6000-memory.dmp
memory/1572-2-0x00000000052A0000-0x0000000005844000-memory.dmp
memory/1572-9-0x00000000051E0000-0x00000000051EE000-memory.dmp
memory/1572-10-0x00000000051F0000-0x0000000005200000-memory.dmp
memory/1572-11-0x0000000006860000-0x00000000068E4000-memory.dmp
memory/1572-12-0x0000000008F50000-0x0000000008FEC000-memory.dmp
memory/1572-1-0x0000000000210000-0x0000000000312000-memory.dmp
memory/1572-0-0x0000000074E4E000-0x0000000074E4F000-memory.dmp
memory/2528-23-0x0000000005920000-0x0000000005F48000-memory.dmp
memory/2528-39-0x0000000006E30000-0x0000000006E62000-memory.dmp
memory/2528-18-0x0000000074E40000-0x00000000755F0000-memory.dmp
memory/2528-64-0x0000000074E40000-0x00000000755F0000-memory.dmp
memory/2528-17-0x0000000005270000-0x00000000052A6000-memory.dmp
memory/2528-61-0x0000000007E70000-0x0000000007E78000-memory.dmp
memory/2528-22-0x0000000074E40000-0x00000000755F0000-memory.dmp
memory/2528-60-0x0000000007E90000-0x0000000007EAA000-memory.dmp
memory/2528-24-0x00000000057B0000-0x00000000057D2000-memory.dmp
memory/2528-25-0x0000000005850000-0x00000000058B6000-memory.dmp
memory/2528-59-0x0000000007D90000-0x0000000007DA4000-memory.dmp
memory/2528-31-0x0000000006230000-0x0000000006584000-memory.dmp
memory/2528-36-0x00000000068B0000-0x00000000068CE000-memory.dmp
memory/2528-37-0x00000000068E0000-0x000000000692C000-memory.dmp
memory/2528-40-0x0000000072AC0000-0x0000000072B0C000-memory.dmp
memory/2528-16-0x0000000074E40000-0x00000000755F0000-memory.dmp
memory/2528-50-0x0000000006DF0000-0x0000000006E0E000-memory.dmp
memory/2528-58-0x0000000007D80000-0x0000000007D8E000-memory.dmp
memory/2528-52-0x0000000007890000-0x0000000007933000-memory.dmp
memory/2528-53-0x00000000081C0000-0x000000000883A000-memory.dmp
memory/2528-54-0x0000000007B60000-0x0000000007B7A000-memory.dmp
memory/2528-55-0x0000000007BC0000-0x0000000007BCA000-memory.dmp
memory/2528-56-0x0000000007DD0000-0x0000000007E66000-memory.dmp
memory/2528-57-0x0000000007D50000-0x0000000007D61000-memory.dmp
memory/3980-51-0x00000000069B0000-0x0000000006A00000-memory.dmp
memory/3980-13-0x0000000000400000-0x0000000000442000-memory.dmp
memory/3980-15-0x0000000074E40000-0x00000000755F0000-memory.dmp
memory/3980-21-0x0000000005AB0000-0x0000000005B16000-memory.dmp
memory/3980-19-0x0000000074E40000-0x00000000755F0000-memory.dmp
memory/3980-65-0x0000000074E40000-0x00000000755F0000-memory.dmp