Analysis
- max time kernel
149s - max time network
145s - platform
windows10-2004_x64 - resource
win10v2004-20240426-en - resource tags
- submitted
29/05/2024, 11:19
General
- Target Due Invoice pdf.exe
- Size 196KB
- Sample240529-netrdade26
- SHA256 71540af9f3dd877a91cd506fb2efb0ebb4211c4370c8edb74185a5b9554bb66d
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
jahnindustry.shop
-
Port
587
-
Username
-
Password
WmfkJ55yPdtj
-
Email to
Extracted
-
xworm
-
5.0
-
178.215.236.251:717
-
0AVeWj1eTvHM3Un2
-
Install_directory
%AppData%
-
install_file
XClient.exe
-
telegram
https://api.telegram.org/bot5987023205:AAFlvwKv3zD3wQ2CQAewIB6uU95uBQ25ip0/sendMessage?chat_id=5202962680
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Detect Xworm Payload 1 IoCs
- Xworm
Xworm is a remote access trojan written in C#.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Drops startup file 2 IoCs
- Executes dropped EXE 1 IoCs
- 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 2 IoCs
- Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 2 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious behavior: EnumeratesProcesses 3 IoCs
- Suspicious use of AdjustPrivilegeToken 7 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 19 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Due Invoice pdf.exe"C:\Users\Admin\AppData\Local\Temp\Due Invoice pdf.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\Pdmyfgbmmsc.exe"C:\Users\Admin\AppData\Local\Temp\Pdmyfgbmmsc.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"3⤵
- Drops startup file
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
Pdmyfgbmmsc.exe
findo.exe
memory/2076-9813-0x0000000074E20000-0x00000000755D0000-memory.dmp
memory/2076-9807-0x0000000074E20000-0x00000000755D0000-memory.dmp
memory/2076-9806-0x0000000005B90000-0x0000000005BEC000-memory.dmp
memory/2076-4919-0x0000000006240000-0x0000000006460000-memory.dmp
memory/2076-4913-0x0000000074E20000-0x00000000755D0000-memory.dmp
memory/2076-4910-0x0000000074E20000-0x00000000755D0000-memory.dmp
memory/2076-4909-0x00000000008A0000-0x00000000008D2000-memory.dmp
memory/3276-62-0x0000000005E40000-0x0000000006080000-memory.dmp
memory/3276-15-0x0000000005E40000-0x0000000006080000-memory.dmp
memory/3276-69-0x0000000005E40000-0x0000000006080000-memory.dmp
memory/3276-67-0x0000000005E40000-0x0000000006080000-memory.dmp
memory/3276-65-0x0000000005E40000-0x0000000006080000-memory.dmp
memory/3276-63-0x0000000005E40000-0x0000000006080000-memory.dmp
memory/3276-0-0x0000000074E2E000-0x0000000074E2F000-memory.dmp
memory/3276-59-0x0000000005E40000-0x0000000006080000-memory.dmp
memory/3276-57-0x0000000005E40000-0x0000000006080000-memory.dmp
memory/3276-55-0x0000000005E40000-0x0000000006080000-memory.dmp
memory/3276-53-0x0000000005E40000-0x0000000006080000-memory.dmp
memory/3276-50-0x0000000005E40000-0x0000000006080000-memory.dmp
memory/3276-45-0x0000000005E40000-0x0000000006080000-memory.dmp
memory/3276-43-0x0000000005E40000-0x0000000006080000-memory.dmp
memory/3276-41-0x0000000005E40000-0x0000000006080000-memory.dmp
memory/3276-35-0x0000000005E40000-0x0000000006080000-memory.dmp
memory/3276-33-0x0000000005E40000-0x0000000006080000-memory.dmp
memory/3276-32-0x0000000005E40000-0x0000000006080000-memory.dmp
memory/3276-29-0x0000000005E40000-0x0000000006080000-memory.dmp
memory/3276-47-0x0000000005E40000-0x0000000006080000-memory.dmp
memory/3276-27-0x0000000005E40000-0x0000000006080000-memory.dmp
memory/3276-25-0x0000000005E40000-0x0000000006080000-memory.dmp
memory/3276-23-0x0000000005E40000-0x0000000006080000-memory.dmp
memory/3276-21-0x0000000005E40000-0x0000000006080000-memory.dmp
memory/3276-17-0x0000000005E40000-0x0000000006080000-memory.dmp
memory/3276-51-0x0000000005E40000-0x0000000006080000-memory.dmp
memory/3276-11-0x0000000005E40000-0x0000000006080000-memory.dmp
memory/3276-9-0x0000000005E40000-0x0000000006080000-memory.dmp
memory/3276-7-0x0000000005E40000-0x0000000006080000-memory.dmp
memory/3276-6-0x0000000005E40000-0x0000000006080000-memory.dmp
memory/3276-4892-0x0000000074E20000-0x00000000755D0000-memory.dmp
memory/3276-4893-0x0000000005780000-0x0000000005802000-memory.dmp
memory/3276-4894-0x0000000005D40000-0x0000000005D8C000-memory.dmp
memory/3276-4895-0x00000000062B0000-0x0000000006316000-memory.dmp
memory/3276-37-0x0000000005E40000-0x0000000006080000-memory.dmp
memory/3276-4907-0x00000000063F0000-0x0000000006444000-memory.dmp
memory/3276-39-0x0000000005E40000-0x0000000006080000-memory.dmp
memory/3276-19-0x0000000005E40000-0x0000000006080000-memory.dmp
memory/3276-13-0x0000000005E40000-0x0000000006080000-memory.dmp
memory/3276-4914-0x0000000074E20000-0x00000000755D0000-memory.dmp
memory/3276-1-0x0000000000360000-0x0000000000394000-memory.dmp
memory/3276-2-0x0000000074E20000-0x00000000755D0000-memory.dmp
memory/3276-3-0x0000000005E40000-0x0000000006086000-memory.dmp
memory/3276-4-0x0000000006630000-0x0000000006BD4000-memory.dmp
memory/3276-5-0x0000000006180000-0x0000000006212000-memory.dmp
memory/3696-4918-0x0000000006310000-0x000000000631A000-memory.dmp
memory/3696-4917-0x00000000062A0000-0x00000000062F0000-memory.dmp
memory/3696-9808-0x0000000074E20000-0x00000000755D0000-memory.dmp
memory/3696-4915-0x0000000000400000-0x0000000000440000-memory.dmp
memory/3696-4916-0x0000000074E20000-0x00000000755D0000-memory.dmp
memory/4932-9814-0x0000000000400000-0x0000000000412000-memory.dmp
memory/4932-9815-0x0000000004F50000-0x0000000004FEC000-memory.dmp