Analysis
- max time kernel
125s - max time network
127s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
09/06/2024, 01:52
General
- Target dd566ea9737c75cf44885c842a944952d23abc1fb315867b4f07c3b8f37ce01b.exe
- Size 977KB
- Sample240609-cafheace63
- SHA256 dd566ea9737c75cf44885c842a944952d23abc1fb315867b4f07c3b8f37ce01b
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.iaa-airferight.com
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Port
587
-
Username
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Password
webmaster
-
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.
- 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 9 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 17 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\dd566ea9737c75cf44885c842a944952d23abc1fb315867b4f07c3b8f37ce01b.exe"C:\Users\Admin\AppData\Local\Temp\dd566ea9737c75cf44885c842a944952d23abc1fb315867b4f07c3b8f37ce01b.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- 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\dd566ea9737c75cf44885c842a944952d23abc1fb315867b4f07c3b8f37ce01b.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\aufwwxkKj.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\aufwwxkKj" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2A18.tmp"2⤵
- Creates scheduled task(s)
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.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 --field-trial-handle=4196,i,1999448010053300448,1112699187621658374,262144 --variations-seed-version --mojo-platform-channel-handle=4216 /prefetch:81⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
powershell.exe.log
StartupProfileData-NonInteractive
__PSScriptPolicyTest_wzj0axws.vfk.ps1
tmp2A18.tmp
memory/804-31-0x0000000005ED0000-0x0000000006224000-memory.dmp
memory/804-77-0x00000000079B0000-0x00000000079C1000-memory.dmp
memory/804-72-0x0000000007660000-0x0000000007703000-memory.dmp
memory/804-88-0x0000000074F40000-0x00000000756F0000-memory.dmp
memory/804-81-0x0000000007AD0000-0x0000000007AD8000-memory.dmp
memory/804-80-0x0000000007AF0000-0x0000000007B0A000-memory.dmp
memory/804-79-0x00000000079F0000-0x0000000007A04000-memory.dmp
memory/804-15-0x0000000004EC0000-0x0000000004EF6000-memory.dmp
memory/804-17-0x0000000005660000-0x0000000005C88000-memory.dmp
memory/804-16-0x0000000074F40000-0x00000000756F0000-memory.dmp
memory/804-18-0x0000000074F40000-0x00000000756F0000-memory.dmp
memory/804-61-0x00000000073F0000-0x000000000740E000-memory.dmp
memory/804-74-0x00000000077B0000-0x00000000077CA000-memory.dmp
memory/804-23-0x0000000005E60000-0x0000000005EC6000-memory.dmp
memory/804-73-0x0000000007DF0000-0x000000000846A000-memory.dmp
memory/804-22-0x0000000005D40000-0x0000000005DA6000-memory.dmp
memory/804-21-0x00000000055D0000-0x00000000055F2000-memory.dmp
memory/804-50-0x0000000007410000-0x0000000007442000-memory.dmp
memory/804-51-0x00000000757B0000-0x00000000757FC000-memory.dmp
memory/1316-45-0x0000000000400000-0x0000000000440000-memory.dmp
memory/1316-89-0x00000000063C0000-0x0000000006410000-memory.dmp
memory/3756-48-0x0000000005DB0000-0x0000000005DCE000-memory.dmp
memory/3756-75-0x0000000007150000-0x000000000715A000-memory.dmp
memory/3756-49-0x0000000006110000-0x000000000615C000-memory.dmp
memory/3756-30-0x0000000074F40000-0x00000000756F0000-memory.dmp
memory/3756-87-0x0000000074F40000-0x00000000756F0000-memory.dmp
memory/3756-62-0x00000000757B0000-0x00000000757FC000-memory.dmp
memory/3756-78-0x0000000007310000-0x000000000731E000-memory.dmp
memory/3756-19-0x0000000074F40000-0x00000000756F0000-memory.dmp
memory/3756-24-0x0000000074F40000-0x00000000756F0000-memory.dmp
memory/3756-76-0x0000000007360000-0x00000000073F6000-memory.dmp
memory/4628-0-0x0000000074F4E000-0x0000000074F4F000-memory.dmp
memory/4628-4-0x0000000005990000-0x000000000599A000-memory.dmp
memory/4628-47-0x0000000074F40000-0x00000000756F0000-memory.dmp
memory/4628-3-0x00000000059E0000-0x0000000005A72000-memory.dmp
memory/4628-10-0x0000000006E10000-0x0000000006EAC000-memory.dmp
memory/4628-9-0x0000000006B80000-0x0000000006C02000-memory.dmp
memory/4628-8-0x0000000005F80000-0x0000000005F90000-memory.dmp
memory/4628-2-0x0000000005F90000-0x0000000006534000-memory.dmp
memory/4628-1-0x0000000000EA0000-0x0000000000F96000-memory.dmp
memory/4628-7-0x0000000005F70000-0x0000000005F7E000-memory.dmp
memory/4628-5-0x0000000074F40000-0x00000000756F0000-memory.dmp
memory/4628-6-0x0000000005F30000-0x0000000005F46000-memory.dmp