Analysis
- max time kernel
134s - max time network
168s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
03/04/2024, 14:06
General
- Target 56b1b13bbe42015f512de69de47af0abda07316f4edef30f2c1ebc4c5bde5bf2.exe
- Size 668KB
- Sample240403-red8gaeb31
- SHA256 56b1b13bbe42015f512de69de47af0abda07316f4edef30f2c1ebc4c5bde5bf2
Malware Config
Extracted
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agenttesla
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Protocol
smtp
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Host
mail.mbarieservicesltd.com
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Port
587
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Username
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Password
*o9H+18Q4%;M
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Email to
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 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.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
- 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 20 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\56b1b13bbe42015f512de69de47af0abda07316f4edef30f2c1ebc4c5bde5bf2.exe"C:\Users\Admin\AppData\Local\Temp\56b1b13bbe42015f512de69de47af0abda07316f4edef30f2c1ebc4c5bde5bf2.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\56b1b13bbe42015f512de69de47af0abda07316f4edef30f2c1ebc4c5bde5bf2.exe"2⤵
- 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\TrVbSWhfr.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\TrVbSWhfr" /XML "C:\Users\Admin\AppData\Local\Temp\tmp81DD.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\56b1b13bbe42015f512de69de47af0abda07316f4edef30f2c1ebc4c5bde5bf2.exe"C:\Users\Admin\AppData\Local\Temp\56b1b13bbe42015f512de69de47af0abda07316f4edef30f2c1ebc4c5bde5bf2.exe"2⤵
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C:\Users\Admin\AppData\Local\Temp\56b1b13bbe42015f512de69de47af0abda07316f4edef30f2c1ebc4c5bde5bf2.exe"C:\Users\Admin\AppData\Local\Temp\56b1b13bbe42015f512de69de47af0abda07316f4edef30f2c1ebc4c5bde5bf2.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
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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=1040 --field-trial-handle=2264,i,15001568551143786084,90255922961447677,262144 --variations-seed-version /prefetch:81⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
powershell.exe.log
__PSScriptPolicyTest_ujhhcz3y.yl1.ps1
tmp81DD.tmp
memory/1292-84-0x00000000067E0000-0x00000000069A2000-memory.dmp
memory/1292-98-0x00000000050F0000-0x0000000005100000-memory.dmp
memory/1292-97-0x0000000075290000-0x0000000075A40000-memory.dmp
memory/1292-49-0x00000000050F0000-0x0000000005100000-memory.dmp
memory/1292-39-0x0000000075290000-0x0000000075A40000-memory.dmp
memory/1292-26-0x0000000000400000-0x0000000000430000-memory.dmp
memory/1292-82-0x0000000006360000-0x00000000063B0000-memory.dmp
memory/3332-83-0x0000000007700000-0x000000000770A000-memory.dmp
memory/3332-23-0x0000000005360000-0x0000000005382000-memory.dmp
memory/3332-13-0x0000000002A20000-0x0000000002A56000-memory.dmp
memory/3332-15-0x0000000002AF0000-0x0000000002B00000-memory.dmp
memory/3332-52-0x0000000002AF0000-0x0000000002B00000-memory.dmp
memory/3332-20-0x00000000056A0000-0x0000000005CC8000-memory.dmp
memory/3332-85-0x0000000007910000-0x00000000079A6000-memory.dmp
memory/3332-81-0x0000000007690000-0x00000000076AA000-memory.dmp
memory/3332-86-0x0000000007890000-0x00000000078A1000-memory.dmp
memory/3332-14-0x0000000075290000-0x0000000075A40000-memory.dmp
memory/3332-80-0x0000000007CD0000-0x000000000834A000-memory.dmp
memory/3332-25-0x0000000005CD0000-0x0000000005D36000-memory.dmp
memory/3332-88-0x00000000078D0000-0x00000000078E4000-memory.dmp
memory/3332-89-0x00000000079D0000-0x00000000079EA000-memory.dmp
memory/3332-78-0x0000000002AF0000-0x0000000002B00000-memory.dmp
memory/3332-90-0x00000000079B0000-0x00000000079B8000-memory.dmp
memory/3332-56-0x0000000071960000-0x00000000719AC000-memory.dmp
memory/3332-95-0x0000000075290000-0x0000000075A40000-memory.dmp
memory/3332-57-0x0000000075290000-0x0000000075A40000-memory.dmp
memory/3332-67-0x0000000006920000-0x000000000693E000-memory.dmp
memory/4516-18-0x0000000075290000-0x0000000075A40000-memory.dmp
memory/4516-79-0x0000000007680000-0x0000000007723000-memory.dmp
memory/4516-54-0x0000000006A90000-0x0000000006AC2000-memory.dmp
memory/4516-51-0x0000000006A40000-0x0000000006A8C000-memory.dmp
memory/4516-50-0x00000000064A0000-0x00000000064BE000-memory.dmp
memory/4516-96-0x0000000075290000-0x0000000075A40000-memory.dmp
memory/4516-38-0x0000000005E90000-0x00000000061E4000-memory.dmp
memory/4516-87-0x00000000079F0000-0x00000000079FE000-memory.dmp
memory/4516-76-0x000000007FD70000-0x000000007FD80000-memory.dmp
memory/4516-55-0x0000000071960000-0x00000000719AC000-memory.dmp
memory/4516-24-0x0000000005C80000-0x0000000005CE6000-memory.dmp
memory/4516-91-0x0000000075290000-0x0000000075A40000-memory.dmp
memory/4516-21-0x0000000005010000-0x0000000005020000-memory.dmp
memory/4516-53-0x0000000005010000-0x0000000005020000-memory.dmp
memory/4832-0-0x0000000075290000-0x0000000075A40000-memory.dmp
memory/4832-9-0x0000000006450000-0x00000000064C2000-memory.dmp
memory/4832-8-0x0000000005130000-0x000000000513C000-memory.dmp
memory/4832-17-0x0000000075290000-0x0000000075A40000-memory.dmp
memory/4832-7-0x00000000050C0000-0x00000000050D2000-memory.dmp
memory/4832-6-0x0000000005190000-0x000000000522C000-memory.dmp
memory/4832-5-0x0000000004EA0000-0x0000000004EAA000-memory.dmp
memory/4832-19-0x0000000005180000-0x0000000005190000-memory.dmp
memory/4832-4-0x0000000005180000-0x0000000005190000-memory.dmp
memory/4832-3-0x0000000004F10000-0x0000000004FA2000-memory.dmp
memory/4832-48-0x0000000075290000-0x0000000075A40000-memory.dmp
memory/4832-2-0x00000000054C0000-0x0000000005A64000-memory.dmp
memory/4832-1-0x0000000000400000-0x00000000004AE000-memory.dmp