Analysis
- max time kernel
139s - max time network
144s - platform
windows10-2004_x64 - resource
win10v2004-20240412-en - resource tags
- submitted
24/04/2024, 04:48
General
- Target DHL_1003671162.exe
- Size 821KB
- Sample240424-fe6ryafb4t
- SHA256 061087cd835abcfc3411f0ec4b15ccf80516276a356b2eedc4cb444d0dac0187
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.clslk.com
-
Port
587
-
Username
-
Password
NUZRATHinam1978
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.clslk.com
-
Port
587
-
Username
-
Password
NUZRATHinam1978
-
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.
- 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).
- 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 6 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 14 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\DHL_1003671162.exe"C:\Users\Admin\AppData\Local\Temp\DHL_1003671162.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\Roaming\qmUxKv.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\qmUxKv" /XML "C:\Users\Admin\AppData\Local\Temp\tmp64E4.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\DHL_1003671162.exe"C:\Users\Admin\AppData\Local\Temp\DHL_1003671162.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe1⤵
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k UnistackSvcGroup1⤵
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Replay Monitor
Loading Replay Monitor...
Downloads
__PSScriptPolicyTest_u11j0gbq.4jd.ps1
tmp64E4.tmp
memory/1224-108-0x00000256D2D30000-0x00000256D2D31000-memory.dmp
memory/1224-107-0x00000256D2C20000-0x00000256D2C21000-memory.dmp
memory/1224-106-0x00000256D2C20000-0x00000256D2C21000-memory.dmp
memory/1224-104-0x00000256D2BF0000-0x00000256D2BF1000-memory.dmp
memory/1224-88-0x00000256CA880000-0x00000256CA890000-memory.dmp
memory/1224-72-0x00000256CA780000-0x00000256CA790000-memory.dmp
memory/1924-39-0x0000000005F90000-0x00000000062E4000-memory.dmp
memory/1924-65-0x00000000079E0000-0x00000000079E8000-memory.dmp
memory/1924-68-0x0000000074450000-0x0000000074C00000-memory.dmp
memory/1924-64-0x0000000007A00000-0x0000000007A1A000-memory.dmp
memory/1924-16-0x0000000002A80000-0x0000000002AB6000-memory.dmp
memory/1924-62-0x00000000078F0000-0x00000000078FE000-memory.dmp
memory/1924-18-0x0000000074450000-0x0000000074C00000-memory.dmp
memory/1924-20-0x0000000002B40000-0x0000000002B50000-memory.dmp
memory/1924-19-0x0000000005500000-0x0000000005B28000-memory.dmp
memory/1924-63-0x0000000007900000-0x0000000007914000-memory.dmp
memory/1924-22-0x0000000002B40000-0x0000000002B50000-memory.dmp
memory/1924-60-0x00000000078C0000-0x00000000078D1000-memory.dmp
memory/1924-59-0x0000000007940000-0x00000000079D6000-memory.dmp
memory/1924-58-0x0000000007730000-0x000000000773A000-memory.dmp
memory/1924-56-0x0000000007D00000-0x000000000837A000-memory.dmp
memory/1924-28-0x00000000053D0000-0x00000000053F2000-memory.dmp
memory/1924-29-0x0000000005CA0000-0x0000000005D06000-memory.dmp
memory/1924-57-0x00000000076C0000-0x00000000076DA000-memory.dmp
memory/1924-55-0x0000000007590000-0x0000000007633000-memory.dmp
memory/1924-40-0x00000000063A0000-0x00000000063BE000-memory.dmp
memory/1924-41-0x00000000063D0000-0x000000000641C000-memory.dmp
memory/1924-42-0x000000007EFE0000-0x000000007EFF0000-memory.dmp
memory/1924-43-0x0000000006960000-0x0000000006992000-memory.dmp
memory/1924-44-0x00000000700D0000-0x000000007011C000-memory.dmp
memory/1924-54-0x0000000006940000-0x000000000695E000-memory.dmp
memory/3128-5-0x0000000005810000-0x0000000005820000-memory.dmp
memory/3128-6-0x0000000005730000-0x000000000573A000-memory.dmp
memory/3128-1-0x0000000000A90000-0x0000000000B62000-memory.dmp
memory/3128-2-0x0000000005BD0000-0x0000000006174000-memory.dmp
memory/3128-26-0x0000000074450000-0x0000000074C00000-memory.dmp
memory/3128-11-0x000000000D6C0000-0x000000000D75C000-memory.dmp
memory/3128-3-0x0000000005550000-0x00000000055E2000-memory.dmp
memory/3128-8-0x00000000062C0000-0x00000000062CE000-memory.dmp
memory/3128-9-0x0000000006AE0000-0x0000000006AF4000-memory.dmp
memory/3128-7-0x0000000006290000-0x00000000062A8000-memory.dmp
memory/3128-4-0x0000000005820000-0x0000000005B74000-memory.dmp
memory/3128-0-0x0000000074450000-0x0000000074C00000-memory.dmp
memory/3128-10-0x00000000014F0000-0x0000000001574000-memory.dmp
memory/4260-24-0x0000000074450000-0x0000000074C00000-memory.dmp
memory/4260-71-0x0000000004F60000-0x0000000004F70000-memory.dmp
memory/4260-69-0x0000000005FB0000-0x0000000006000000-memory.dmp
memory/4260-70-0x0000000074450000-0x0000000074C00000-memory.dmp
memory/4260-21-0x0000000000400000-0x0000000000442000-memory.dmp
memory/4260-27-0x00000000050B0000-0x0000000005116000-memory.dmp
memory/4260-25-0x0000000004F60000-0x0000000004F70000-memory.dmp