Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
26-05-2024 15:31
Behavioral task
behavioral1
Sample
XClient.exe
Resource
win10-20240404-en
Behavioral task
behavioral2
Sample
XClient.exe
Resource
win10v2004-20240508-en
General
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Target
XClient.exe
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Size
85KB
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MD5
007e1223120cd10fa02e2d371211d82a
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SHA1
519b63a096d4e9c12b8150467996c068e6ff756d
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SHA256
06d5934c528750f025b2f682a829d6e5b978238503c5e61a498da63a1958c0ac
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SHA512
4413c3e41237633153e90ab469af4d820aa51db88cc0df04c64af2c9ef25ab71cb7aa8b4b09814e35db4495986c6ab1e3199ec34cec35472830df5e361729210
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SSDEEP
1536:FHPavxx983DKYFV6MnbNE4VbR+rKb6lqMOV6Cgn3e//r:kvxYDKYX6MnbNEwbEpVOQCg0/r
Malware Config
Extracted
xworm
0.tcp.eu.ngrok.io:18473
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Install_directory
%ProgramData%
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install_file
Chrome.exe
Signatures
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Detect Xworm Payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/2152-1-0x00000000003A0000-0x00000000003BC000-memory.dmp family_xworm -
Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepid process 3428 powershell.exe 4620 powershell.exe 2692 powershell.exe 2644 powershell.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
XClient.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\Control Panel\International\Geo\Nation XClient.exe -
Drops startup file 2 IoCs
Processes:
XClient.exedescription ioc process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Chrome.lnk XClient.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Chrome.lnk XClient.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
XClient.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Chrome = "C:\\ProgramData\\Chrome.exe" XClient.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 IoCs
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Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 25 ip-api.com -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 9 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exeXClient.exepid process 3428 powershell.exe 3428 powershell.exe 4620 powershell.exe 4620 powershell.exe 2692 powershell.exe 2692 powershell.exe 2644 powershell.exe 2644 powershell.exe 2152 XClient.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
Processes:
XClient.exepowershell.exepowershell.exepowershell.exepowershell.exedescription pid process Token: SeDebugPrivilege 2152 XClient.exe Token: SeDebugPrivilege 3428 powershell.exe Token: SeDebugPrivilege 4620 powershell.exe Token: SeDebugPrivilege 2692 powershell.exe Token: SeDebugPrivilege 2644 powershell.exe Token: SeDebugPrivilege 2152 XClient.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
XClient.exepid process 2152 XClient.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
XClient.exedescription pid process target process PID 2152 wrote to memory of 3428 2152 XClient.exe powershell.exe PID 2152 wrote to memory of 3428 2152 XClient.exe powershell.exe PID 2152 wrote to memory of 4620 2152 XClient.exe powershell.exe PID 2152 wrote to memory of 4620 2152 XClient.exe powershell.exe PID 2152 wrote to memory of 2692 2152 XClient.exe powershell.exe PID 2152 wrote to memory of 2692 2152 XClient.exe powershell.exe PID 2152 wrote to memory of 2644 2152 XClient.exe powershell.exe PID 2152 wrote to memory of 2644 2152 XClient.exe powershell.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\XClient.exe"C:\Users\Admin\AppData\Local\Temp\XClient.exe"1⤵
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2152 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\XClient.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3428
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'XClient.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4620
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\ProgramData\Chrome.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2692
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Chrome.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2644
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2KB
MD5d85ba6ff808d9e5444a4b369f5bc2730
SHA131aa9d96590fff6981b315e0b391b575e4c0804a
SHA25684739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f
SHA5128c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249
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Filesize
944B
MD56d3e9c29fe44e90aae6ed30ccf799ca8
SHA1c7974ef72264bbdf13a2793ccf1aed11bc565dce
SHA2562360634e63e8f0b5748e2c56ebb8f4aa78e71008ea7b5c9ca1c49be03b49557d
SHA51260c38c4367352537545d859f64b9c5cbada94240478d1d039fd27b5ecba4dc1c90051557c16d802269703b873546ead416279c0a80c6fd5e49ad361cef22596a
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Filesize
944B
MD59bc110200117a3752313ca2acaf8a9e1
SHA1fda6b7da2e7b0175b391475ca78d1b4cf2147cd3
SHA256c88e4bbb64f7fa31429ebe82c1cf07785c44486f37576f783a26ac856e02a4eb
SHA5121f1af32aa18a8cbfcc65b0d4fb7e6ca2705f125eaa85789e981ee68b90c64522e954825abf460d4b4f97567715dfae8d9b0a25a4d54d10bc4c257c472f2e80fb
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Filesize
944B
MD5bb812b3e31d6bcd9430e1859693c9856
SHA12e2fd106bd4c2cfb827a2db22cdfc12d9a2aebe1
SHA25636d73bca447ed277c72b5af7fe1e4f8d076e857fa82a7dd00e485138b9da673b
SHA5128bb6f11f4a69f6b1b0a2ff36f45c646cb726933a613e7c4d4b7c20e6c042616047beb4057675687d9f96e564c141b1a4b6f50fe793ec163393d57124a06319f4
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82