Analysis
- max time kernel
123s - max time network
148s - platform
windows10-2004_x64 - resource
win10v2004-20231222-en - resource tags
- submitted
03/02/2024, 16:22
General
- Target DHL Receipt_AWB#6355646657577514374654-pdf.exe
- Size 709KB
- Sample240203-tt8fzadde2
- SHA256 3fd5a88e512d91beaceed5571becb76d25c2563be4195addb288f827652dd03d
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.classicbd.com
-
Port
587
-
Username
-
Password
iJ9vF*j1,DiJ
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.classicbd.com
-
Port
587
-
Username
-
Password
iJ9vF*j1,DiJ
-
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 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.
- 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 8 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 17 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\DHL Receipt_AWB#6355646657577514374654-pdf.exe"C:\Users\Admin\AppData\Local\Temp\DHL Receipt_AWB#6355646657577514374654-pdf.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\DHL Receipt_AWB#6355646657577514374654-pdf.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\bdzsJXOCLuemw.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\bdzsJXOCLuemw" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA057.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\DHL Receipt_AWB#6355646657577514374654-pdf.exe"C:\Users\Admin\AppData\Local\Temp\DHL Receipt_AWB#6355646657577514374654-pdf.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
powershell.exe.log
StartupProfileData-NonInteractive
__PSScriptPolicyTest_pkvrgt34.qx1.ps1
tmpA057.tmp
memory/680-51-0x0000000005F50000-0x0000000005F6E000-memory.dmp
memory/680-66-0x0000000006510000-0x000000000652E000-memory.dmp
memory/680-85-0x0000000007490000-0x00000000074A1000-memory.dmp
memory/680-86-0x00000000074C0000-0x00000000074CE000-memory.dmp
memory/680-81-0x0000000007290000-0x00000000072AA000-memory.dmp
memory/680-77-0x0000000004C20000-0x0000000004C30000-memory.dmp
memory/680-55-0x0000000075B90000-0x0000000075BDC000-memory.dmp
memory/680-83-0x0000000007300000-0x000000000730A000-memory.dmp
memory/680-16-0x0000000002640000-0x0000000002676000-memory.dmp
memory/680-17-0x0000000075330000-0x0000000075AE0000-memory.dmp
memory/680-18-0x0000000005260000-0x0000000005888000-memory.dmp
memory/680-92-0x0000000075330000-0x0000000075AE0000-memory.dmp
memory/680-52-0x0000000005F80000-0x0000000005FCC000-memory.dmp
memory/680-87-0x00000000074D0000-0x00000000074E4000-memory.dmp
memory/680-32-0x0000000005890000-0x00000000058F6000-memory.dmp
memory/680-25-0x0000000004C20000-0x0000000004C30000-memory.dmp
memory/680-27-0x0000000004C20000-0x0000000004C30000-memory.dmp
memory/680-31-0x00000000050B0000-0x00000000050D2000-memory.dmp
memory/3004-10-0x00000000070E0000-0x00000000070F4000-memory.dmp
memory/3004-2-0x0000000005F50000-0x00000000064F4000-memory.dmp
memory/3004-6-0x0000000005B50000-0x0000000005B5A000-memory.dmp
memory/3004-19-0x0000000075330000-0x0000000075AE0000-memory.dmp
memory/3004-7-0x0000000005C40000-0x0000000005CDC000-memory.dmp
memory/3004-8-0x0000000007090000-0x00000000070AC000-memory.dmp
memory/3004-5-0x0000000005C30000-0x0000000005C40000-memory.dmp
memory/3004-3-0x00000000059A0000-0x0000000005A32000-memory.dmp
memory/3004-29-0x0000000075330000-0x0000000075AE0000-memory.dmp
memory/3004-11-0x0000000007320000-0x00000000073A4000-memory.dmp
memory/3004-9-0x00000000070D0000-0x00000000070DE000-memory.dmp
memory/3004-1-0x0000000075330000-0x0000000075AE0000-memory.dmp
memory/3004-0-0x0000000000F00000-0x0000000000FB8000-memory.dmp
memory/3004-4-0x0000000006500000-0x0000000006854000-memory.dmp
memory/3092-22-0x0000000000400000-0x0000000000442000-memory.dmp
memory/3092-30-0x0000000005290000-0x00000000052F6000-memory.dmp
memory/3092-28-0x0000000075330000-0x0000000075AE0000-memory.dmp
memory/3092-98-0x0000000075330000-0x0000000075AE0000-memory.dmp
memory/3092-97-0x0000000006090000-0x00000000060E0000-memory.dmp
memory/3256-21-0x0000000075330000-0x0000000075AE0000-memory.dmp
memory/3256-82-0x0000000007C20000-0x0000000007C2A000-memory.dmp
memory/3256-84-0x0000000007E30000-0x0000000007EC6000-memory.dmp
memory/3256-53-0x0000000006E50000-0x0000000006E82000-memory.dmp
memory/3256-54-0x000000007F4A0000-0x000000007F4B0000-memory.dmp
memory/3256-80-0x00000000081F0000-0x000000000886A000-memory.dmp
memory/3256-78-0x0000000005680000-0x0000000005690000-memory.dmp
memory/3256-89-0x0000000007ED0000-0x0000000007ED8000-memory.dmp
memory/3256-88-0x0000000007EF0000-0x0000000007F0A000-memory.dmp
memory/3256-79-0x0000000005680000-0x0000000005690000-memory.dmp
memory/3256-76-0x0000000007AB0000-0x0000000007B53000-memory.dmp
memory/3256-96-0x0000000075330000-0x0000000075AE0000-memory.dmp
memory/3256-56-0x0000000075B90000-0x0000000075BDC000-memory.dmp
memory/3256-24-0x0000000005680000-0x0000000005690000-memory.dmp
memory/3256-23-0x0000000005680000-0x0000000005690000-memory.dmp