Analysis
- max time kernel
148s - max time network
124s - platform
windows10-2004_x64 - resource
win10v2004-20240709-en - resource tags
- submitted
22/07/2024, 16:08
General
- Target Outward Remittance_Payment Receipt.exe
- Size 611KB
- Sample240722-tk7s3swfqp
- SHA256 fdf11dc1585e1062c299ee652e789da5091b836f2fc999c99f0e6833e9d0db6b
Malware Config
Extracted
-
Protocol
smtp
-
Host
nffplp.com
-
Port
587
-
Username
-
Password
$Nke%8XIIDtm
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
nffplp.com
-
Port
587
-
Username
-
Password
$Nke%8XIIDtm
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
- 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.
- Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 6 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Outward Remittance_Payment Receipt.exe"C:\Users\Admin\AppData\Local\Temp\Outward Remittance_Payment Receipt.exe"1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- 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\Roaming\eiecjNX.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\eiecjNX" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB3B0.tmp"2⤵
- Scheduled Task/Job: Scheduled Task
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
__PSScriptPolicyTest_1jdzit5i.pex.ps1
tmpB3B0.tmp
memory/1432-5-0x0000000074830000-0x0000000074FE0000-memory.dmp
memory/1432-9-0x0000000006350000-0x00000000063D4000-memory.dmp
memory/1432-2-0x0000000005DA0000-0x0000000006344000-memory.dmp
memory/1432-4-0x0000000005A20000-0x0000000005A2A000-memory.dmp
memory/1432-6-0x0000000005B70000-0x0000000005C0C000-memory.dmp
memory/1432-7-0x0000000005AE0000-0x0000000005AF0000-memory.dmp
memory/1432-8-0x0000000005AF0000-0x0000000005AFE000-memory.dmp
memory/1432-3-0x0000000005890000-0x0000000005922000-memory.dmp
memory/1432-0-0x000000007483E000-0x000000007483F000-memory.dmp
memory/1432-65-0x0000000074830000-0x0000000074FE0000-memory.dmp
memory/1432-1-0x0000000000DF0000-0x0000000000E8E000-memory.dmp
memory/1432-64-0x000000007483E000-0x000000007483F000-memory.dmp
memory/1432-62-0x0000000006DB0000-0x0000000006E00000-memory.dmp
memory/1432-19-0x0000000008A60000-0x0000000008AA2000-memory.dmp
memory/1432-20-0x0000000006440000-0x00000000064A6000-memory.dmp
memory/2636-14-0x00000000052A0000-0x00000000052D6000-memory.dmp
memory/2636-51-0x00000000081B0000-0x000000000882A000-memory.dmp
memory/2636-22-0x0000000006010000-0x0000000006076000-memory.dmp
memory/2636-21-0x0000000005770000-0x0000000005792000-memory.dmp
memory/2636-33-0x0000000006260000-0x00000000065B4000-memory.dmp
memory/2636-34-0x0000000006840000-0x000000000685E000-memory.dmp
memory/2636-35-0x00000000068F0000-0x000000000693C000-memory.dmp
memory/2636-36-0x0000000006DF0000-0x0000000006E22000-memory.dmp
memory/2636-47-0x0000000074830000-0x0000000074FE0000-memory.dmp
memory/2636-37-0x000000006F870000-0x000000006F8BC000-memory.dmp
memory/2636-48-0x0000000006E30000-0x0000000006E4E000-memory.dmp
memory/2636-49-0x0000000074830000-0x0000000074FE0000-memory.dmp
memory/2636-50-0x0000000006EA0000-0x0000000006F43000-memory.dmp
memory/2636-23-0x0000000074830000-0x0000000074FE0000-memory.dmp
memory/2636-52-0x0000000007B70000-0x0000000007B8A000-memory.dmp
memory/2636-53-0x0000000007BE0000-0x0000000007BEA000-memory.dmp
memory/2636-54-0x0000000007DF0000-0x0000000007E86000-memory.dmp
memory/2636-55-0x0000000007D70000-0x0000000007D81000-memory.dmp
memory/2636-56-0x0000000007DA0000-0x0000000007DAE000-memory.dmp
memory/2636-57-0x0000000007DB0000-0x0000000007DC4000-memory.dmp
memory/2636-58-0x0000000007EB0000-0x0000000007ECA000-memory.dmp
memory/2636-59-0x0000000007E90000-0x0000000007E98000-memory.dmp
memory/2636-18-0x0000000074830000-0x0000000074FE0000-memory.dmp
memory/2636-63-0x0000000074830000-0x0000000074FE0000-memory.dmp
memory/2636-15-0x0000000005970000-0x0000000005F98000-memory.dmp
memory/2636-17-0x0000000074830000-0x0000000074FE0000-memory.dmp