Analysis
- user interaction
yes - max time kernel
148s - max time network
125s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
02/11/2026, 10:57
Static task
static1
Behavioral task
behavioral1
Sample
0543862271.rar
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
0543862271.rar
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral3
Sample
0543862271.js
Resource
win10v2004-20260911-en
General
- Target 0543862271.rar
- Size 848KB
- Sample261102-m2pkhag13x
- SHA256 d45ccb091b58fb91089dde84995180436fdff6ff50e77afa1705342fffaf2ebf
- MD5 4dc4cd125ff5eb1fd9a0f38ea3514d5a
- SHA1 6b3b0bd7fd772e1112fce880be44418cfe13dfd5
- SHA512 66ac1e7d18e964fccfa5f9305476dbac3e5c02fbe81350ac7949e27fa9c0c5f6121d833969aea92e3e127ca4b5c1fb3ee30be97e2c002ef709717d0521244c41
- SSDEEP 24576:AdGj/vDcMKrYQfjC/fVZJWrDs2Rmocf1J6KQfwSHZ0Gz:AMj/vArvuXi/Rmocf6KQYMZ0O
- TLSH T13A053317393050EDEF518C43B5A2FFC452A012BB62906E1762DCBD26F58EBA7243D4B6
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detect Xworm Payload 1 IoCs
resource yara_rule behavioral2/memory/1432-318-0x0000000026F80000-0x0000000026F90000-memory.dmp family_xworm - Executes dropped EXE 4 IoCs
pid Process 1432 UUZSSZFNUMCLKDBU.exe 2696 UUZSSZFNUMCLKDBU.exe 4848 UUZSSZFNUMCLKDBU.exe 5260 UUZSSZFNUMCLKDBU.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 ip-api.com - Suspicious use of NtSetInformationThreadHideFromDebugger 1 TTPs 8 IoCs
pid Process 2696 UUZSSZFNUMCLKDBU.exe 2696 UUZSSZFNUMCLKDBU.exe 1432 UUZSSZFNUMCLKDBU.exe 1432 UUZSSZFNUMCLKDBU.exe 4848 UUZSSZFNUMCLKDBU.exe 4848 UUZSSZFNUMCLKDBU.exe 5260 UUZSSZFNUMCLKDBU.exe 5260 UUZSSZFNUMCLKDBU.exe - Command and Scripting Interpreter: JavaScript 1 TTPs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Executes a command shell one-liner 1 TTPs 4 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
pid Process 4324 cmd.exe 5808 cmd.exe 5208 cmd.exe 6012 cmd.exe - Program crash 1 IoCs
pid pid_target Process procid_target 1964 1432 WerFault.exe 96 - Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
description ioc Process Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname UUZSSZFNUMCLKDBU.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain UUZSSZFNUMCLKDBU.exe - System Location Discovery: System Language Discovery 1 TTPs 4 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 UUZSSZFNUMCLKDBU.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language UUZSSZFNUMCLKDBU.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language UUZSSZFNUMCLKDBU.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language UUZSSZFNUMCLKDBU.exe - Modifies registry class 10 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{d3162b92-9365-467a-956b-92703aca08af}\Instance\ WScript.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{A8CDFF1C-4878-43be-B5FD-F8091C1C60D0}\Instance\ WScript.exe Key created \REGISTRY\USER\S-1-5-21-4154726816-2055034831-2297277433-1000_Classes\Local Settings 7zFM.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{A8CDFF1C-4878-43be-B5FD-F8091C1C60D0}\Instance\ WScript.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{A8CDFF1C-4878-43be-B5FD-F8091C1C60D0}\Instance\ WScript.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{d3162b92-9365-467a-956b-92703aca08af}\Instance\ WScript.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{d3162b92-9365-467a-956b-92703aca08af}\Instance\ WScript.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{A8CDFF1C-4878-43be-B5FD-F8091C1C60D0}\Instance\ 7zFM.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{d3162b92-9365-467a-956b-92703aca08af}\Instance\ WScript.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{A8CDFF1C-4878-43be-B5FD-F8091C1C60D0}\Instance\ WScript.exe - NTFS ADS 4 IoCs
description ioc Process File created C:\Users\Admin\AppData\Local\Temp\7zO8249BEDA\0543862271.JS:Zone.Identifier cmd.exe File created C:\Users\Admin\AppData\Local\Temp\7zO824178DA\0543862271.JS:Zone.Identifier cmd.exe File created C:\Users\Admin\AppData\Local\Temp\7zO824595DA\0543862271.JS:Zone.Identifier cmd.exe File created C:\Users\Admin\AppData\Local\Temp\7zO824DDACA\0543862271.JS:Zone.Identifier cmd.exe - Suspicious behavior: EnumeratesProcesses 24 IoCs
pid Process 5160 7zFM.exe 5160 7zFM.exe 5160 7zFM.exe 5160 7zFM.exe 5160 7zFM.exe 5160 7zFM.exe 5160 7zFM.exe 5160 7zFM.exe 5160 7zFM.exe 5160 7zFM.exe 5160 7zFM.exe 5160 7zFM.exe 5160 7zFM.exe 5160 7zFM.exe 5160 7zFM.exe 5160 7zFM.exe 5160 7zFM.exe 5160 7zFM.exe 5160 7zFM.exe 5160 7zFM.exe 5160 7zFM.exe 5160 7zFM.exe 5160 7zFM.exe 5160 7zFM.exe - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 5160 7zFM.exe - Suspicious use of AdjustPrivilegeToken 10 IoCs
description pid Process Token: SeRestorePrivilege 5160 7zFM.exe Token: 35 5160 7zFM.exe Token: SeSecurityPrivilege 5160 7zFM.exe Token: SeSecurityPrivilege 5160 7zFM.exe Token: SeDebugPrivilege 2696 UUZSSZFNUMCLKDBU.exe Token: SeDebugPrivilege 1432 UUZSSZFNUMCLKDBU.exe Token: SeSecurityPrivilege 5160 7zFM.exe Token: SeSecurityPrivilege 5160 7zFM.exe Token: SeDebugPrivilege 4848 UUZSSZFNUMCLKDBU.exe Token: SeDebugPrivilege 5260 UUZSSZFNUMCLKDBU.exe - Suspicious use of FindShellTrayWindow 5 IoCs
pid Process 5160 7zFM.exe 5160 7zFM.exe 5160 7zFM.exe 5160 7zFM.exe 5160 7zFM.exe - Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 5160 wrote to memory of 5708 5160 7zFM.exe 90 PID 5160 wrote to memory of 3196 5160 7zFM.exe 91 PID 3196 wrote to memory of 5808 3196 WScript.exe 92 PID 5708 wrote to memory of 5208 5708 WScript.exe 94 PID 5708 wrote to memory of 1432 5708 WScript.exe 96 PID 3196 wrote to memory of 2696 3196 WScript.exe 97 PID 5160 wrote to memory of 2936 5160 7zFM.exe 100 PID 2936 wrote to memory of 6012 2936 WScript.exe 101 PID 5160 wrote to memory of 4468 5160 7zFM.exe 103 PID 2936 wrote to memory of 4848 2936 WScript.exe 104 PID 4468 wrote to memory of 4324 4468 WScript.exe 106 PID 4468 wrote to memory of 5260 4468 WScript.exe 108
Processes
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C:\Program Files\7-Zip\7zFM.exe"C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\0543862271.rar"1⤵
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:5160 -
C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\7zO824178DA\0543862271.JS"2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:5708 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c echo. > "C:\Users\Admin\AppData\Local\Temp\7zO824178DA\0543862271.JS:Zone.Identifier"3⤵
- Executes a command shell one-liner
- NTFS ADS
PID:5208
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C:\Users\Admin\Documents\UUZSSZFNUMCLKDBU.exe"C:\Users\Admin\Documents\UUZSSZFNUMCLKDBU.exe" C:\Users\Admin\Documents\UBDKLCMUNFZSSZUU3⤵
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:1432 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1432 -s 16204⤵
- Program crash
PID:1964
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C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\7zO8249BEDA\0543862271.JS"2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:3196 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c echo. > "C:\Users\Admin\AppData\Local\Temp\7zO8249BEDA\0543862271.JS:Zone.Identifier"3⤵
- Executes a command shell one-liner
- NTFS ADS
PID:5808
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C:\Users\Admin\Documents\UUZSSZFNUMCLKDBU.exe"C:\Users\Admin\Documents\UUZSSZFNUMCLKDBU.exe" C:\Users\Admin\Documents\UBDKLCMUNFZSSZUU3⤵
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2696
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C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\7zO824595DA\0543862271.JS"2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2936 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c echo. > "C:\Users\Admin\AppData\Local\Temp\7zO824595DA\0543862271.JS:Zone.Identifier"3⤵
- Executes a command shell one-liner
- NTFS ADS
PID:6012
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C:\Users\Admin\Documents\UUZSSZFNUMCLKDBU.exe"C:\Users\Admin\Documents\UUZSSZFNUMCLKDBU.exe" C:\Users\Admin\Documents\UBDKLCMUNFZSSZUU3⤵
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:4848
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C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\7zO824DDACA\0543862271.JS"2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4468 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c echo. > "C:\Users\Admin\AppData\Local\Temp\7zO824DDACA\0543862271.JS:Zone.Identifier"3⤵
- Executes a command shell one-liner
- NTFS ADS
PID:4324
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C:\Users\Admin\Documents\UUZSSZFNUMCLKDBU.exe"C:\Users\Admin\Documents\UUZSSZFNUMCLKDBU.exe" C:\Users\Admin\Documents\UBDKLCMUNFZSSZUU3⤵
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:5260
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 500 -p 1432 -ip 14321⤵PID:4672
Network
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
2JavaScript
1Windows Command Shell
1Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\7zO824178DA\0543862271.JS
- Size 2.3MB
- SHA256 bf01e1afb1c74fa05ad9f0d62b5f331a6e82e344b2b7bbc1a6db1aaece7de7f0
- MD5 a64103c193db5ee1c87a1198decf71fa
- SHA1 e34b93297458514b7dbc04e8d4d2691e15177b39
- SHA512 6296c9d56f0560b0b973911e5bc320d50d84b18de3a126afa156a6377847deb44c2d7ba1939e20fe346e9804d040fa34f733fa819b47ab68839edb63f59264a0
- SSDEEP 49152:wQRz/t4eruubyfOFHlSW3AfCs3v6XX7DG6vOENFy+1ZbOr386yBvoJ0m/CMCCdjV:wQRz/t4ouuOfOFHlSWQfCs3iXX7DGgOF
- TLSH T137B5F9344218EB70BA3D562FC1E76B050A197C2F2E347E3D39B8198D676EB26215D372
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\7zO824DDACA\0543862271.JS:Zone.Identifier
- Size 3B
- SHA256 6bdf66b5bf2a44e658bea2ee86695ab150a06e600bf67cd5cce245ad54962c61
- MD5 bc949ea893a9384070c31f083ccefd26
- SHA1 cbb8391cb65c20e2c05a2f29211e55c49939c3db
- SHA512 e4288e71070485637ec5825f510a7daa7e75ef6c71a1b755f51e1b0f2e58e5066837f58408ea74d75db42c49372c6027d433a869904fc5efaf4876dfcfde1287
- MD5 SHA1 SHA512
- Path C:\Users\Admin\Documents\UBDKLCMUNFZSSZUU
- Size 289KB
- SHA256 842468ebd34efd2370b6861b5084254671438d44baa7f65c8cfd317291606512
- MD5 3a8bf6c2c09dad073189aee8f64e7689
- SHA1 6d2f782636538cddf85c0c40d00d5ad1a5e2a88e
- SHA512 ae80304f6b6655c9d5a2993c815bd91788a9c2a2146d2fb6d9e791cd57d75f75f7247d29781439dba337ee8d89eff1855e8221a80c0987eb45414f46b8f5936c
- SSDEEP 3072:LlbxNJUf4L0u65bfzw9YHLSzyPdSkTNTebMjXtVRcMEmpddCgwvjWbw93j3Wg:lxQ4L0u65I9YHLSAdZNTeqE6wNj3Wg
- TLSH T18A5485C7B0CA29A492A642B1CC670ED771B5D9FA070D16475F68C0B577603BCCBE983A
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\Documents\UUZSSZFNUMCLKDBU.exe
- Size 499KB
- SHA256 d447a06cba8d3dbe80e09d73dd64576836b258961ee0d3ba56cf26cea7962b49
- MD5 7675b38aabebc8427171447edd484b5b
- SHA1 145c72f8acdcd366869f955dffd000d3bc146b6e
- SHA512 bc9bddbee59f165742a3203f9e2ba9de409e66de6334cb352cded84cce3e1074dbd0ac17b29e58c8729906848b64d1486fb8c848ca15422127b2baeb4c5e5dbe
- SSDEEP 12288:HW7YOPcqPqvopYJNWGIbK8AJYlqWuSr7B/Uj:HW7RPcqPqvopYJYK8AyldpUj
- TLSH T176B43AC4BACB08F1E2A355B0C49BDB7F96349A050022D5BAFF5CBD59EC33746092725A
- MD5 SHA1 SHA512 SSDEEP TLSH