Analysis
- max time kernel
141s - max time network
158s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
07/06/2024, 01:47
General
- Target 72d471434fc24b8edfd680d3d149e4de76d8bf6023005e29e74a25d6d9e5df3e.exe
- Size 743KB
- Sample240607-b7lv1sff3y
- SHA256 72d471434fc24b8edfd680d3d149e4de76d8bf6023005e29e74a25d6d9e5df3e
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.kxnlaos.com
-
Port
587
-
Username
-
Password
eDe~fz;Cy0{W
-
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.
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious behavior: EnumeratesProcesses 21 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\72d471434fc24b8edfd680d3d149e4de76d8bf6023005e29e74a25d6d9e5df3e.exe"C:\Users\Admin\AppData\Local\Temp\72d471434fc24b8edfd680d3d149e4de76d8bf6023005e29e74a25d6d9e5df3e.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\72d471434fc24b8edfd680d3d149e4de76d8bf6023005e29e74a25d6d9e5df3e.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.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 --no-appcompat-clear --mojo-platform-channel-handle=3792 --field-trial-handle=2356,i,13261194862334667799,7441241219475888176,262144 --variations-seed-version /prefetch:81⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
__PSScriptPolicyTest_xxdlhs4e.0yf.ps1
memory/1020-39-0x00000000069D0000-0x0000000006A02000-memory.dmp
memory/1020-54-0x0000000007720000-0x000000000773A000-memory.dmp
memory/1020-64-0x00000000752D0000-0x0000000075A80000-memory.dmp
memory/1020-61-0x0000000007A40000-0x0000000007A48000-memory.dmp
memory/1020-60-0x0000000007A60000-0x0000000007A7A000-memory.dmp
memory/1020-59-0x0000000007960000-0x0000000007974000-memory.dmp
memory/1020-58-0x0000000007950000-0x000000000795E000-memory.dmp
memory/1020-57-0x0000000007920000-0x0000000007931000-memory.dmp
memory/1020-56-0x00000000079A0000-0x0000000007A36000-memory.dmp
memory/1020-55-0x0000000007790000-0x000000000779A000-memory.dmp
memory/1020-53-0x0000000007D60000-0x00000000083DA000-memory.dmp
memory/1020-26-0x0000000005A80000-0x0000000005AE6000-memory.dmp
memory/1020-51-0x0000000007610000-0x00000000076B3000-memory.dmp
memory/1020-50-0x00000000069B0000-0x00000000069CE000-memory.dmp
memory/1020-40-0x0000000070F50000-0x0000000070F9C000-memory.dmp
memory/1020-25-0x00000000053B0000-0x00000000053D2000-memory.dmp
memory/1020-38-0x0000000006650000-0x000000000669C000-memory.dmp
memory/1020-19-0x00000000752D0000-0x0000000075A80000-memory.dmp
memory/1020-17-0x0000000004DA0000-0x0000000004DD6000-memory.dmp
memory/1020-21-0x0000000005450000-0x0000000005A78000-memory.dmp
memory/1020-23-0x00000000752D0000-0x0000000075A80000-memory.dmp
memory/1020-22-0x00000000752D0000-0x0000000075A80000-memory.dmp
memory/1020-37-0x0000000006420000-0x000000000643E000-memory.dmp
memory/1020-36-0x0000000005D90000-0x00000000060E4000-memory.dmp
memory/2648-13-0x00000000752D0000-0x0000000075A80000-memory.dmp
memory/2648-11-0x0000000009550000-0x00000000095EC000-memory.dmp
memory/2648-18-0x00000000752D0000-0x0000000075A80000-memory.dmp
memory/2648-2-0x0000000005920000-0x0000000005EC4000-memory.dmp
memory/2648-3-0x0000000005410000-0x00000000054A2000-memory.dmp
memory/2648-4-0x00000000752D0000-0x0000000075A80000-memory.dmp
memory/2648-1-0x0000000000950000-0x0000000000A10000-memory.dmp
memory/2648-5-0x0000000005400000-0x000000000540A000-memory.dmp
memory/2648-0-0x00000000752DE000-0x00000000752DF000-memory.dmp
memory/2648-6-0x0000000006A40000-0x0000000006AF8000-memory.dmp
memory/2648-12-0x00000000752DE000-0x00000000752DF000-memory.dmp
memory/2648-7-0x0000000006DE0000-0x0000000006DF6000-memory.dmp
memory/2648-10-0x0000000006E80000-0x0000000006F02000-memory.dmp
memory/2648-8-0x0000000006E10000-0x0000000006E1E000-memory.dmp
memory/2648-9-0x0000000006E20000-0x0000000006E30000-memory.dmp
memory/4236-14-0x0000000000400000-0x0000000000440000-memory.dmp
memory/4236-52-0x00000000067A0000-0x00000000067F0000-memory.dmp
memory/4236-24-0x00000000752D0000-0x0000000075A80000-memory.dmp
memory/4236-16-0x00000000752D0000-0x0000000075A80000-memory.dmp
memory/4236-20-0x00000000059E0000-0x0000000005A46000-memory.dmp
memory/4236-65-0x00000000752D0000-0x0000000075A80000-memory.dmp