Analysis
- max time kernel
156s - max time network
164s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
27/03/2024, 06:59
General
- Target Quote UPDATE 27-03-24.exe
- Size 669KB
- Sample240327-hr4jfsfa36
- SHA256 4ac227785c3f1cdd4b05a9d2ebb94e88a4af65303833c4dbfc35113dc21c97aa
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 15 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of WriteProcessMemory 26 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\Quote UPDATE 27-03-24.exe"C:\Users\Admin\AppData\Local\Temp\Quote UPDATE 27-03-24.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\Quote UPDATE 27-03-24.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\NxmtwwVGOtEdjd.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\NxmtwwVGOtEdjd" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD34E.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\Quote UPDATE 27-03-24.exe"C:\Users\Admin\AppData\Local\Temp\Quote UPDATE 27-03-24.exe"2⤵
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C:\Users\Admin\AppData\Local\Temp\Quote UPDATE 27-03-24.exe"C:\Users\Admin\AppData\Local\Temp\Quote UPDATE 27-03-24.exe"2⤵
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C:\Users\Admin\AppData\Local\Temp\Quote UPDATE 27-03-24.exe"C:\Users\Admin\AppData\Local\Temp\Quote UPDATE 27-03-24.exe"2⤵
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C:\Users\Admin\AppData\Local\Temp\Quote UPDATE 27-03-24.exe"C:\Users\Admin\AppData\Local\Temp\Quote UPDATE 27-03-24.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
powershell.exe.log
StartupProfileData-NonInteractive
__PSScriptPolicyTest_ygtjfw4v.5n4.ps1
tmpD34E.tmp
memory/2472-82-0x0000000007A40000-0x0000000007AD6000-memory.dmp
memory/2472-19-0x0000000002CC0000-0x0000000002CD0000-memory.dmp
memory/2472-25-0x0000000005D50000-0x0000000005DB6000-memory.dmp
memory/2472-21-0x0000000074940000-0x00000000750F0000-memory.dmp
memory/2472-96-0x0000000074940000-0x00000000750F0000-memory.dmp
memory/2472-89-0x0000000007AE0000-0x0000000007AE8000-memory.dmp
memory/2472-88-0x0000000007B00000-0x0000000007B1A000-memory.dmp
memory/2472-54-0x0000000002CC0000-0x0000000002CD0000-memory.dmp
memory/2472-58-0x0000000070FE0000-0x000000007102C000-memory.dmp
memory/2472-81-0x0000000007830000-0x000000000783A000-memory.dmp
memory/2472-18-0x0000000002CC0000-0x0000000002CD0000-memory.dmp
memory/2472-23-0x00000000053C0000-0x00000000053E2000-memory.dmp
memory/2472-79-0x0000000007E00000-0x000000000847A000-memory.dmp
memory/2472-56-0x000000007EF80000-0x000000007EF90000-memory.dmp
memory/2472-78-0x00000000076C0000-0x0000000007763000-memory.dmp
memory/2892-48-0x0000000074940000-0x00000000750F0000-memory.dmp
memory/2892-84-0x0000000006150000-0x00000000061A0000-memory.dmp
memory/2892-85-0x0000000006370000-0x0000000006532000-memory.dmp
memory/2892-36-0x0000000000400000-0x0000000000430000-memory.dmp
memory/2892-97-0x0000000074940000-0x00000000750F0000-memory.dmp
memory/2892-50-0x0000000004D90000-0x0000000004DA0000-memory.dmp
memory/2892-98-0x0000000004D90000-0x0000000004DA0000-memory.dmp
memory/3200-87-0x0000000007AF0000-0x0000000007B04000-memory.dmp
memory/3200-17-0x0000000005090000-0x00000000050A0000-memory.dmp
memory/3200-95-0x0000000074940000-0x00000000750F0000-memory.dmp
memory/3200-14-0x0000000004FE0000-0x0000000005016000-memory.dmp
memory/3200-37-0x0000000005FC0000-0x0000000006314000-memory.dmp
memory/3200-53-0x0000000005090000-0x00000000050A0000-memory.dmp
memory/3200-51-0x00000000065B0000-0x00000000065CE000-memory.dmp
memory/3200-55-0x0000000006B80000-0x0000000006BB2000-memory.dmp
memory/3200-57-0x0000000070FE0000-0x000000007102C000-memory.dmp
memory/3200-24-0x0000000005D70000-0x0000000005DD6000-memory.dmp
memory/3200-68-0x0000000006B60000-0x0000000006B7E000-memory.dmp
memory/3200-86-0x0000000007AE0000-0x0000000007AEE000-memory.dmp
memory/3200-20-0x00000000056D0000-0x0000000005CF8000-memory.dmp
memory/3200-52-0x00000000065E0000-0x000000000662C000-memory.dmp
memory/3200-80-0x00000000078B0000-0x00000000078CA000-memory.dmp
memory/3200-15-0x0000000074940000-0x00000000750F0000-memory.dmp
memory/3200-16-0x0000000005090000-0x00000000050A0000-memory.dmp
memory/3200-83-0x0000000007AB0000-0x0000000007AC1000-memory.dmp
memory/4216-0-0x0000000074940000-0x00000000750F0000-memory.dmp
memory/4216-49-0x0000000074940000-0x00000000750F0000-memory.dmp
memory/4216-4-0x0000000005110000-0x0000000005120000-memory.dmp
memory/4216-3-0x0000000005130000-0x00000000051C2000-memory.dmp
memory/4216-47-0x0000000074940000-0x00000000750F0000-memory.dmp
memory/4216-9-0x0000000006650000-0x00000000066C2000-memory.dmp
memory/4216-2-0x0000000005640000-0x0000000005BE4000-memory.dmp
memory/4216-8-0x00000000054A0000-0x00000000054AC000-memory.dmp
memory/4216-6-0x0000000005360000-0x00000000053FC000-memory.dmp
memory/4216-1-0x0000000000690000-0x000000000073E000-memory.dmp
memory/4216-7-0x0000000005480000-0x0000000005492000-memory.dmp
memory/4216-5-0x0000000005120000-0x000000000512A000-memory.dmp