Analysis
- max time kernel
126s - max time network
145s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
20/06/2024, 04:07
General
- Target 23fdf4ce71e2ed2087503b62c5e3777fd2bd6a2cf1f7b831cbc01b07aef15e2c.js
- Size 775KB
- Sample240620-epynmsxhkf
- SHA256 23fdf4ce71e2ed2087503b62c5e3777fd2bd6a2cf1f7b831cbc01b07aef15e2c
Malware Config
Extracted
-
xworm
-
5.0
-
172.93.222.235:7725
-
EaDc0m9mpwzOMMwb
-
install_file
USB.exe
Signatures
- Detect Xworm Payload 1 IoCs
- Xworm
Xworm is a remote access trojan written in C#.
- Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
- Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 2 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Command and Scripting Interpreter: JavaScript 1 TTPs
- 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 8 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 20 IoCs
Processes
-
C:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\23fdf4ce71e2ed2087503b62c5e3777fd2bd6a2cf1f7b831cbc01b07aef15e2c.js1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Roaming\Purchaseorder_Document#474790.exe"C:\Users\Admin\AppData\Roaming\Purchaseorder_Document#474790.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- 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\Roaming\Purchaseorder_Document#474790.exe"3⤵
- Command and Scripting Interpreter: PowerShell
- 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\zmHnnf.exe"3⤵
- 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\zmHnnf" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7D4E.tmp"3⤵
- Scheduled Task/Job: Scheduled Task
-
-
C:\Users\Admin\AppData\Roaming\Purchaseorder_Document#474790.exe"C:\Users\Admin\AppData\Roaming\Purchaseorder_Document#474790.exe"3⤵
- Executes dropped EXE
- 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_3fbqoukt.bcc.ps1
tmp7D4E.tmp
Purchaseorder_Document#474790.exe
memory/1140-80-0x0000000007C10000-0x000000000828A000-memory.dmp
memory/1140-29-0x0000000005240000-0x0000000005262000-memory.dmp
memory/1140-88-0x0000000007840000-0x0000000007848000-memory.dmp
memory/1140-87-0x0000000007860000-0x000000000787A000-memory.dmp
memory/1140-86-0x0000000007760000-0x0000000007774000-memory.dmp
memory/1140-84-0x0000000007720000-0x0000000007731000-memory.dmp
memory/1140-83-0x00000000077A0000-0x0000000007836000-memory.dmp
memory/1140-26-0x00000000028F0000-0x0000000002926000-memory.dmp
memory/1140-27-0x00000000052F0000-0x0000000005918000-memory.dmp
memory/1140-82-0x0000000007590000-0x000000000759A000-memory.dmp
memory/1140-67-0x0000000074F80000-0x0000000074FCC000-memory.dmp
memory/1140-56-0x00000000064A0000-0x00000000064EC000-memory.dmp
memory/1140-55-0x00000000061F0000-0x000000000620E000-memory.dmp
memory/1140-38-0x0000000005C20000-0x0000000005F74000-memory.dmp
memory/2264-15-0x0000000005850000-0x000000000585A000-memory.dmp
memory/2264-19-0x0000000005A70000-0x0000000005A78000-memory.dmp
memory/2264-54-0x00000000746D0000-0x0000000074E80000-memory.dmp
memory/2264-14-0x0000000005790000-0x0000000005822000-memory.dmp
memory/2264-11-0x00000000746DE000-0x00000000746DF000-memory.dmp
memory/2264-12-0x0000000000D20000-0x0000000000DB4000-memory.dmp
memory/2264-17-0x0000000005AB0000-0x0000000005B4C000-memory.dmp
memory/2264-18-0x00000000059F0000-0x0000000005A02000-memory.dmp
memory/2264-20-0x0000000005A80000-0x0000000005A8C000-memory.dmp
memory/2264-21-0x0000000006A00000-0x0000000006A52000-memory.dmp
memory/2264-16-0x00000000746D0000-0x0000000074E80000-memory.dmp
memory/2264-13-0x0000000005E50000-0x00000000063F4000-memory.dmp
memory/2324-44-0x0000000000400000-0x0000000000410000-memory.dmp
memory/3640-81-0x0000000007340000-0x000000000735A000-memory.dmp
memory/3640-79-0x0000000007250000-0x00000000072F3000-memory.dmp
memory/3640-74-0x0000000006560000-0x000000000657E000-memory.dmp
memory/3640-85-0x0000000007570000-0x000000000757E000-memory.dmp
memory/3640-31-0x0000000005060000-0x00000000050C6000-memory.dmp
memory/3640-57-0x0000000006600000-0x0000000006632000-memory.dmp
memory/3640-58-0x0000000074F80000-0x0000000074FCC000-memory.dmp
memory/3640-30-0x0000000004FF0000-0x0000000005056000-memory.dmp