Analysis
- max time kernel
117s - max time network
119s - platform
windows7_x64 - resource
win7-20231215-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
-
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.
- 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 6 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 21 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⤵
- 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\tmp50BF.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
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Downloads
tmp50BF.tmp
85BRKTKE9PWNE9Y1TBU6.temp
memory/2124-34-0x00000000740E0000-0x00000000747CE000-memory.dmp
memory/2124-0-0x0000000000CB0000-0x0000000000D68000-memory.dmp
memory/2124-2-0x0000000004C10000-0x0000000004C50000-memory.dmp
memory/2124-3-0x00000000004B0000-0x00000000004CC000-memory.dmp
memory/2124-4-0x0000000000700000-0x000000000070E000-memory.dmp
memory/2124-5-0x0000000000710000-0x0000000000724000-memory.dmp
memory/2124-6-0x0000000005230000-0x00000000052B4000-memory.dmp
memory/2124-1-0x00000000740E0000-0x00000000747CE000-memory.dmp
memory/2220-23-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2220-33-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2220-31-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2220-44-0x00000000740E0000-0x00000000747CE000-memory.dmp
memory/2220-29-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2220-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2220-25-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2220-21-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2220-19-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2220-49-0x00000000740E0000-0x00000000747CE000-memory.dmp
memory/2220-48-0x00000000003B0000-0x00000000003F0000-memory.dmp
memory/2220-42-0x00000000003B0000-0x00000000003F0000-memory.dmp
memory/2776-35-0x000000006E110000-0x000000006E6BB000-memory.dmp
memory/2776-43-0x0000000002F30000-0x0000000002F70000-memory.dmp
memory/2776-45-0x0000000002F30000-0x0000000002F70000-memory.dmp
memory/2776-38-0x0000000002F30000-0x0000000002F70000-memory.dmp
memory/2776-39-0x000000006E110000-0x000000006E6BB000-memory.dmp
memory/2776-46-0x000000006E110000-0x000000006E6BB000-memory.dmp
memory/2836-41-0x00000000026C0000-0x0000000002700000-memory.dmp
memory/2836-40-0x000000006E110000-0x000000006E6BB000-memory.dmp
memory/2836-47-0x000000006E110000-0x000000006E6BB000-memory.dmp
memory/2836-36-0x000000006E110000-0x000000006E6BB000-memory.dmp
memory/2836-37-0x00000000026C0000-0x0000000002700000-memory.dmp