Analysis
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max time kernel
150s -
max time network
153s -
platform
windows11-21h2_x64 -
resource
win11-20240709-en -
resource tags
arch:x64arch:x86image:win11-20240709-enlocale:en-usos:windows11-21h2-x64system -
submitted
23-07-2024 19:05
Behavioral task
behavioral1
Sample
XClient.exe
Resource
win10-20240404-en
Behavioral task
behavioral2
Sample
XClient.exe
Resource
win7-20240708-en
Behavioral task
behavioral3
Sample
XClient.exe
Resource
win10-20240611-en
Behavioral task
behavioral4
Sample
XClient.exe
Resource
win10v2004-20240709-en
Behavioral task
behavioral5
Sample
XClient.exe
Resource
win11-20240709-en
General
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Target
XClient.exe
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Size
34KB
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MD5
8bb9d79ea292fc23e600ebd7957e9333
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SHA1
4e78c73a5383f14edc669260524da4bdd5130c36
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SHA256
12631c9b83e06b20eb1727eff06e2d6e264e8c58d62ea6ee5d351d195af3502a
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SHA512
35101121210917d2dfd34e48f1b29e8806637b58cd18a0bbf93da1ee6decfac12ce55c0820e22c691287c7572bcdba69fc5d134ba4834c015aa553250d6383d8
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SSDEEP
384:+xYQVyqLSxEe4fIETsI5feQjFptmByujICLYFiiXmv50QAXnxF8QFhk58pkFyHBp:yrvaUuYsIQehkVFyr9eWTOjhmSDc
Malware Config
Extracted
xworm
5.0
insurance-helmet.gl.at.ply.gg:31388
wbZwsAW8h4Ee9jvd
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Install_directory
%AppData%
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install_file
XClient.exe
Extracted
asyncrat
Default
127.0.0.1:6606
127.0.0.1:7707
127.0.0.1:8808
https://api.telegram.org/bot6758433214:AAHsOKdFy4qDz6vRHO6UQUpRG85G-wZvC1Y/sendMessage?chat_id=6234857847
AsyncMutex_6SI8OkPnk
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delay
3
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install
false
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install_folder
%AppData%
Signatures
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Detect Xworm Payload 1 IoCs
resource yara_rule behavioral5/memory/2460-1-0x00000000009C0000-0x00000000009CE000-memory.dmp family_xworm -
Modifies WinLogon for persistence 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-514081398-208714212-3319599467-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "C:\\Users\\Admin\\AppData\\Local\\Temp\\tekxdu.exe" tekxdu.exe -
StormKitty
StormKitty is an open source info stealer written in C#.
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StormKitty payload 2 IoCs
resource yara_rule behavioral5/files/0x000100000002aa78-10.dat family_stormkitty behavioral5/memory/508-18-0x0000000000810000-0x0000000000842000-memory.dmp family_stormkitty -
Async RAT payload 1 IoCs
resource yara_rule behavioral5/files/0x000100000002aa78-10.dat family_asyncrat -
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
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Executes dropped EXE 2 IoCs
pid Process 508 lsegip.exe 4736 tekxdu.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-514081398-208714212-3319599467-1000\Software\Microsoft\Windows\CurrentVersion\Run\XClient = "C:\\Users\\Admin\\AppData\\Roaming\\XClient.exe" XClient.exe Set value (str) \REGISTRY\USER\S-1-5-21-514081398-208714212-3319599467-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\userini = "C:\\Users\\Admin\\AppData\\Local\\Temp\\tekxdu.exe" tekxdu.exe -
Drops desktop.ini file(s) 7 IoCs
description ioc Process File created C:\Users\Admin\AppData\Local\29eb23550e208a74a9f0aeaee60bbdd7\Admin@BOBTBVSB_en-US\Grabber\DRIVE-C\Users\Admin\Pictures\desktop.ini lsegip.exe File created C:\Users\Admin\AppData\Local\29eb23550e208a74a9f0aeaee60bbdd7\Admin@BOBTBVSB_en-US\Grabber\DRIVE-C\Users\Admin\Downloads\desktop.ini lsegip.exe File created C:\Users\Admin\AppData\Local\29eb23550e208a74a9f0aeaee60bbdd7\Admin@BOBTBVSB_en-US\Grabber\DRIVE-C\Users\Admin\Pictures\Camera Roll\desktop.ini lsegip.exe File created C:\Users\Admin\AppData\Local\29eb23550e208a74a9f0aeaee60bbdd7\Admin@BOBTBVSB_en-US\Grabber\DRIVE-C\Users\Admin\Pictures\Saved Pictures\desktop.ini lsegip.exe File created C:\Users\Admin\AppData\Local\29eb23550e208a74a9f0aeaee60bbdd7\Admin@BOBTBVSB_en-US\Grabber\DRIVE-C\Users\Admin\Desktop\desktop.ini lsegip.exe File opened for modification C:\Users\Admin\AppData\Local\29eb23550e208a74a9f0aeaee60bbdd7\Admin@BOBTBVSB_en-US\Grabber\DRIVE-C\Users\Admin\Desktop\desktop.ini lsegip.exe File created C:\Users\Admin\AppData\Local\29eb23550e208a74a9f0aeaee60bbdd7\Admin@BOBTBVSB_en-US\Grabber\DRIVE-C\Users\Admin\Documents\desktop.ini lsegip.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
flow ioc 3 pastebin.com 8 pastebin.com -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 1 icanhazip.com -
Looks up geolocation information via web service
Uses a legitimate geolocation service to find the infected system's geolocation info.
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Event Triggered Execution: Netsh Helper DLL 1 TTPs 6 IoCs
Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.
description ioc Process Key value enumerated \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key queried \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key value enumerated \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key queried \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe -
System Location Discovery: System Language Discovery 1 TTPs 9 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 netsh.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language tekxdu.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language chcp.com Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language findstr.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language chcp.com Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language netsh.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language lsegip.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
System Network Configuration Discovery: Wi-Fi Discovery 1 TTPs 2 IoCs
Adversaries may search for information about Wi-Fi networks, such as network names and passwords, on compromised systems.
pid Process 4960 cmd.exe 5664 netsh.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 lsegip.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier lsegip.exe -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppModel\Deployment\Package\*\S-1-5-21-514081398-208714212-3319599467-1000\{9943F0E5-C4E5-4AE3-BAC1-EC613790701F} explorer.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 508 lsegip.exe 508 lsegip.exe 508 lsegip.exe 508 lsegip.exe 508 lsegip.exe 508 lsegip.exe 508 lsegip.exe 508 lsegip.exe 508 lsegip.exe 508 lsegip.exe 508 lsegip.exe 508 lsegip.exe 508 lsegip.exe 508 lsegip.exe 508 lsegip.exe 508 lsegip.exe 508 lsegip.exe 508 lsegip.exe 508 lsegip.exe 508 lsegip.exe 508 lsegip.exe 508 lsegip.exe 508 lsegip.exe 4736 tekxdu.exe 4736 tekxdu.exe 4736 tekxdu.exe 4736 tekxdu.exe 4736 tekxdu.exe 4736 tekxdu.exe 4736 tekxdu.exe 4736 tekxdu.exe 4736 tekxdu.exe 4736 tekxdu.exe 4736 tekxdu.exe 4736 tekxdu.exe 4736 tekxdu.exe 4736 tekxdu.exe 4736 tekxdu.exe 4736 tekxdu.exe 4736 tekxdu.exe 4736 tekxdu.exe 4736 tekxdu.exe 4736 tekxdu.exe 4736 tekxdu.exe 4736 tekxdu.exe 4736 tekxdu.exe 4736 tekxdu.exe 4736 tekxdu.exe 4736 tekxdu.exe 4736 tekxdu.exe 4736 tekxdu.exe 4736 tekxdu.exe 4736 tekxdu.exe 4736 tekxdu.exe 4736 tekxdu.exe 4736 tekxdu.exe 4736 tekxdu.exe 4736 tekxdu.exe 4736 tekxdu.exe 4736 tekxdu.exe 4736 tekxdu.exe 4736 tekxdu.exe 4736 tekxdu.exe 4736 tekxdu.exe -
Suspicious use of AdjustPrivilegeToken 7 IoCs
description pid Process Token: SeDebugPrivilege 2460 XClient.exe Token: SeDebugPrivilege 2460 XClient.exe Token: SeDebugPrivilege 508 lsegip.exe Token: SeShutdownPrivilege 5912 explorer.exe Token: SeCreatePagefilePrivilege 5912 explorer.exe Token: SeShutdownPrivilege 5912 explorer.exe Token: SeCreatePagefilePrivilege 5912 explorer.exe -
Suspicious use of FindShellTrayWindow 64 IoCs
pid Process 4736 tekxdu.exe 4736 tekxdu.exe 4736 tekxdu.exe 4736 tekxdu.exe 4736 tekxdu.exe 4736 tekxdu.exe 4736 tekxdu.exe 4736 tekxdu.exe 4736 tekxdu.exe 4736 tekxdu.exe 4736 tekxdu.exe 4736 tekxdu.exe 4736 tekxdu.exe 4736 tekxdu.exe 4736 tekxdu.exe 4736 tekxdu.exe 4736 tekxdu.exe 4736 tekxdu.exe 4736 tekxdu.exe 4736 tekxdu.exe 4736 tekxdu.exe 4736 tekxdu.exe 4736 tekxdu.exe 4736 tekxdu.exe 4736 tekxdu.exe 4736 tekxdu.exe 4736 tekxdu.exe 4736 tekxdu.exe 4736 tekxdu.exe 4736 tekxdu.exe 4736 tekxdu.exe 4736 tekxdu.exe 4736 tekxdu.exe 4736 tekxdu.exe 4736 tekxdu.exe 4736 tekxdu.exe 4736 tekxdu.exe 4736 tekxdu.exe 4736 tekxdu.exe 4736 tekxdu.exe 4736 tekxdu.exe 4736 tekxdu.exe 4736 tekxdu.exe 4736 tekxdu.exe 4736 tekxdu.exe 4736 tekxdu.exe 4736 tekxdu.exe 4736 tekxdu.exe 4736 tekxdu.exe 4736 tekxdu.exe 4736 tekxdu.exe 4736 tekxdu.exe 4736 tekxdu.exe 4736 tekxdu.exe 4736 tekxdu.exe 4736 tekxdu.exe 4736 tekxdu.exe 4736 tekxdu.exe 4736 tekxdu.exe 4736 tekxdu.exe 4736 tekxdu.exe 4736 tekxdu.exe 4736 tekxdu.exe 4736 tekxdu.exe -
Suspicious use of WriteProcessMemory 27 IoCs
description pid Process procid_target PID 2460 wrote to memory of 508 2460 XClient.exe 84 PID 2460 wrote to memory of 508 2460 XClient.exe 84 PID 2460 wrote to memory of 508 2460 XClient.exe 84 PID 508 wrote to memory of 4960 508 lsegip.exe 85 PID 508 wrote to memory of 4960 508 lsegip.exe 85 PID 508 wrote to memory of 4960 508 lsegip.exe 85 PID 4960 wrote to memory of 2624 4960 cmd.exe 87 PID 4960 wrote to memory of 2624 4960 cmd.exe 87 PID 4960 wrote to memory of 2624 4960 cmd.exe 87 PID 4960 wrote to memory of 5664 4960 cmd.exe 88 PID 4960 wrote to memory of 5664 4960 cmd.exe 88 PID 4960 wrote to memory of 5664 4960 cmd.exe 88 PID 4960 wrote to memory of 3704 4960 cmd.exe 89 PID 4960 wrote to memory of 3704 4960 cmd.exe 89 PID 4960 wrote to memory of 3704 4960 cmd.exe 89 PID 508 wrote to memory of 5700 508 lsegip.exe 90 PID 508 wrote to memory of 5700 508 lsegip.exe 90 PID 508 wrote to memory of 5700 508 lsegip.exe 90 PID 5700 wrote to memory of 1668 5700 cmd.exe 92 PID 5700 wrote to memory of 1668 5700 cmd.exe 92 PID 5700 wrote to memory of 1668 5700 cmd.exe 92 PID 5700 wrote to memory of 4132 5700 cmd.exe 93 PID 5700 wrote to memory of 4132 5700 cmd.exe 93 PID 5700 wrote to memory of 4132 5700 cmd.exe 93 PID 2460 wrote to memory of 4736 2460 XClient.exe 94 PID 2460 wrote to memory of 4736 2460 XClient.exe 94 PID 2460 wrote to memory of 4736 2460 XClient.exe 94
Processes
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C:\Users\Admin\AppData\Local\Temp\XClient.exe"C:\Users\Admin\AppData\Local\Temp\XClient.exe"1⤵
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2460 -
C:\Users\Admin\AppData\Local\Temp\lsegip.exe"C:\Users\Admin\AppData\Local\Temp\lsegip.exe"2⤵
- Executes dropped EXE
- Drops desktop.ini file(s)
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:508 -
C:\Windows\SysWOW64\cmd.exe"cmd.exe" /C chcp 65001 && netsh wlan show profile | findstr All3⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Wi-Fi Discovery
- Suspicious use of WriteProcessMemory
PID:4960 -
C:\Windows\SysWOW64\chcp.comchcp 650014⤵
- System Location Discovery: System Language Discovery
PID:2624
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C:\Windows\SysWOW64\netsh.exenetsh wlan show profile4⤵
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Wi-Fi Discovery
PID:5664
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C:\Windows\SysWOW64\findstr.exefindstr All4⤵
- System Location Discovery: System Language Discovery
PID:3704
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C:\Windows\SysWOW64\cmd.exe"cmd.exe" /C chcp 65001 && netsh wlan show networks mode=bssid3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5700 -
C:\Windows\SysWOW64\chcp.comchcp 650014⤵
- System Location Discovery: System Language Discovery
PID:1668
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C:\Windows\SysWOW64\netsh.exenetsh wlan show networks mode=bssid4⤵
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
PID:4132
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C:\Users\Admin\AppData\Local\Temp\tekxdu.exe"C:\Users\Admin\AppData\Local\Temp\tekxdu.exe"2⤵
- Modifies WinLogon for persistence
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
PID:4736
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C:\Windows\explorer.exeexplorer.exe1⤵
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
PID:5912
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Event Triggered Execution
1Netsh Helper DLL
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Event Triggered Execution
1Netsh Helper DLL
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\29eb23550e208a74a9f0aeaee60bbdd7\Admin@BOBTBVSB_en-US\Browsers\Firefox\Bookmarks.txt
Filesize105B
MD52e9d094dda5cdc3ce6519f75943a4ff4
SHA15d989b4ac8b699781681fe75ed9ef98191a5096c
SHA256c84c98bbf5e0ef9c8d0708b5d60c5bb656b7d6be5135d7f7a8d25557e08cf142
SHA512d1f7eed00959e902bdb2125b91721460d3ff99f3bdfc1f2a343d4f58e8d4e5e5a06c0c6cdc0379211c94510f7c00d7a8b34fa7d0ca0c3d54cbbe878f1e9812b7
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C:\Users\Admin\AppData\Local\29eb23550e208a74a9f0aeaee60bbdd7\Admin@BOBTBVSB_en-US\System\Process.txt
Filesize4KB
MD519c9917fb3b0cf9bf59a3c482429377a
SHA1e1f70d97e7cbc0689013a5fac5fc3cc58f6a4680
SHA25653014199e8c9e4d9444bb7b9e3afb9c5ace833b3ab859bb9aef1bfe6a16065de
SHA512eea34ed5b0b59f23208479481529e677415cf6c84af8cf55d25bc29262b85ec67599ae697b082cf05336421366cd9130609b44552a2c49ab8fc49f535f87e6e7
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Filesize
175KB
MD59f2d773fd80c4da7ae3ce95da359f9dc
SHA16cb470ad352e52ea0ec5f863ea4ee083e983caed
SHA256eb40ef4c4b8ba46300b9f95edc2f7f5ad4c7ea1e812580e3cda28b48f9ef0406
SHA51283a6af54e2d550e1b8f20b6709e7f06515e4c491cbc25ebf1f1e62533cb3f71ef9b58a453f64e04eace1b7cb06f55771907047eba4afa993d88453a74825850f
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Filesize
436KB
MD5173a4279e79645180febd00f8a66fefe
SHA192ed3111f7bf0f63e5089463b04c9dec0d2cd7e8
SHA2565b1267781df5fa980e338f4dacd44984955d92c438209e55088efd1b1820e9ac
SHA512f572abb593a1ffb10f8b106ed9e17d47b2cce4955da965d6915069c3bc310b7365414d6fe49cc63aad3ab0375125afd04949b1cfb9299b27bf34d004c1c2da5f
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Filesize
1B
MD5cfcd208495d565ef66e7dff9f98764da
SHA1b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA2565feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
SHA51231bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99