Analysis
- max time kernel
148s - max time network
149s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
29/07/2026, 14:47
Static task
static1
Behavioral task
behavioral1
Sample
fedex6087554534.js
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
fedex6087554534.js
Resource
win11ltsc2024-20260709-en
General
- Target fedex6087554534.js
- Size 1.7MB
- Sample260729-r53nraysat
- SHA256 6b278084f9905518c01eee7886de87ebfa888398f4eba2b7e1f0ec57117025cb
- MD5 279d2a252179bb4c98a9503c688da3e8
- SHA1 ad3759dc801b82ebe860e458ffb8ea1252b3abe4
- SHA512 93a0e549c79cc6ba620994d7a9bd1ba02f8439a69701b12a6b26646b418ab7744a96bd82373e2208da874175c6c8df81d3e07278363be0ae4a4c1cece0d5f498
- SSDEEP 768:rt/t/t/t/t/t/t/t/t/t/t/t/t/t/t/t/t/t/t/t/t/t/t/t/t/t/t/t/t/t/t/v:mK9OwX
- TLSH T14D850AEB8FE096CDAAB433ED6E46C45C8A70252F64DBA17B743817D9BB110C640718BD
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
-
Protocol
smtp
-
Host
gimas.bg
-
Port
587
-
Username
-
Password
sa1613bh
Extracted
-
phantom_stealer
-
v3.5.0
-
Protocol
smtp
-
Host
gimas.bg
-
Port
587
-
Username
-
Password
sa1613bh
-
Email to
-
K5O7W2WEMSJKN2ZT85XY
-
anti_analysis
0
-
cb_enables_ssl
1
-
debug
0
-
keylogger
0
-
start_delay
0
-
startup
0
Signatures
- Family: PhantomStealer
Phantom Stealer is a stealer written in C#, forked from the Stealerium family.
- Detects PhantomStealer written in C# 1 IoCs
resource yara_rule behavioral2/memory/812-19-0x0000000000400000-0x00000000004BE000-memory.dmp family_phantomstealer - Process spawned unexpected child process 1 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
description pid pid_target Process procid_target Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 3116 1068 powershell.exe 89 - Badlisted process makes network request 2 IoCs
Network request originating from process or tool commonly abused by malware.
flow pid Process 5 3116 powershell.exe 7 3116 powershell.exe - Creates a file in the Startup directory 1 TTPs 1 IoCs
A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\fedex6087554534.js wscript.exe - Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-552508041-2681165170-3229858294-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Caspol.exe Key opened \REGISTRY\USER\S-1-5-21-552508041-2681165170-3229858294-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Caspol.exe Key opened \REGISTRY\USER\S-1-5-21-552508041-2681165170-3229858294-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Caspol.exe - Looks up external IP address via web service 1 TTPs 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 1 icanhazip.com - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3116 set thread context of 812 3116 powershell.exe 92 - Command and Scripting Interpreter: JavaScript 1 TTPs
-
pid Process 3116 powershell.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Caspol.exe - Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0 Caspol.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier Caspol.exe - Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{A8CDFF1C-4878-43be-B5FD-F8091C1C60D0}\Instance\ wscript.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3116 powershell.exe 3116 powershell.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 3116 powershell.exe Token: SeDebugPrivilege 812 Caspol.exe - Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 3116 wrote to memory of 812 3116 powershell.exe 92 PID 3116 wrote to memory of 812 3116 powershell.exe 92 PID 3116 wrote to memory of 812 3116 powershell.exe 92 PID 3116 wrote to memory of 812 3116 powershell.exe 92 PID 3116 wrote to memory of 812 3116 powershell.exe 92 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-552508041-2681165170-3229858294-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Caspol.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-552508041-2681165170-3229858294-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Caspol.exe
Processes
-
C:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\fedex6087554534.js1⤵
- Creates a file in the Startup directory
- Modifies registry class
PID:5836
-
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell.exe -NoProfile -Command "Invoke-Expression $env:animals"1⤵
- Process spawned unexpected child process
- Badlisted process makes network request
- Suspicious use of SetThreadContext
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3116 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe"2⤵
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:812
-
Network
MITRE ATT&CK Enterprise v16
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1