Analysis Overview
SHA256
51c45fb238881bd25fd7435d8b8e44eee9cc56887a56a7e5f5bdef8ec8392465
Threat Level: Known bad
The file Winlocker.exe was found to be: Known bad.
Malicious Activity Summary
BlackNET payload
Darkcomet
Darkcomet family
BlackNET
Blacknet family
Checks computer location settings
Adds Run key to start application
UPX packed file
Enumerates physical storage devices
Unsigned PE
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2025-03-05 14:52
Signatures
BlackNET payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Blacknet family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2025-03-05 14:52
Reported
2025-03-05 14:54
Platform
win10ltsc2021-20250217-en
Max time kernel
3s
Max time network
37s
Command Line
Signatures
BlackNET
BlackNET payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Blacknet family
Darkcomet
Darkcomet family
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-2501448743-3279416841-701563739-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\Winlocker.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2501448743-3279416841-701563739-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\a5b002eacf54590ec8401ff6d3f920ee = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Winlocker.exe" | C:\Users\Admin\AppData\Local\Temp\Winlocker.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2501448743-3279416841-701563739-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\a5b002eacf54590ec8401ff6d3f920ee = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Microsoft\\MyClient\\jusched.exe" | C:\Users\Admin\AppData\Local\Temp\Winlocker.exe | N/A |
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\Winlocker.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Winlocker.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Winlocker.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\Winlocker.exe
"C:\Users\Admin\AppData\Local\Temp\Winlocker.exe"
C:\Users\Admin\AppData\Local\Temp\svshost.exe
"C:\Users\Admin\AppData\Local\Temp\svshost.exe"
C:\Users\Admin\AppData\Local\Temp\Microsoft\MyClient\jusched.exe
"C:\Users\Admin\AppData\Local\Temp\Microsoft\MyClient\jusched.exe"
C:\Users\Admin\AppData\Local\Temp\WinlockerBuilderv5.exe
"C:\Users\Admin\AppData\Local\Temp\WinlockerBuilderv5.exe"
C:\Users\Admin\AppData\Local\Temp\upx_compresser.exe
"C:\Users\Admin\AppData\Local\Temp\upx_compresser.exe"
C:\Users\Admin\AppData\Local\Temp\upx_compresser.exe
"C:\Users\Admin\AppData\Local\Temp\upx_compresser.exe"
C:\Users\Admin\AppData\Local\Temp\svshost.exe
"C:\Users\Admin\AppData\Local\Temp\svshost.exe"
C:\Users\Admin\Documents\AudioDriver\taskhost.exe
"C:\Users\Admin\Documents\AudioDriver\taskhost.exe"
C:\Users\Admin\Documents\AudioDriver\taskhost.exe
"C:\Users\Admin\Documents\AudioDriver\taskhost.exe"
C:\Users\Admin\AppData\Local\Temp\WinlockerBuilderv5.exe
"C:\Users\Admin\AppData\Local\Temp\WinlockerBuilderv5.exe"
C:\Users\Admin\AppData\Local\Temp\upx_compresser.exe
"C:\Users\Admin\AppData\Local\Temp\upx_compresser.exe"
C:\Users\Admin\AppData\Local\Temp\upx_compresser.exe
"C:\Users\Admin\AppData\Local\Temp\upx_compresser.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | f0483357.xsph.ru | udp |
| US | 8.8.8.8:53 | f0483357.xsph.ru | udp |
| US | 8.8.8.8:53 | gameservice.ddns.net | udp |
| US | 8.8.8.8:53 | f0483357.xsph.ru | udp |
| US | 8.8.8.8:53 | f0483357.xsph.ru | udp |
| US | 8.8.8.8:53 | f0483357.xsph.ru | udp |
| US | 8.8.8.8:53 | f0483357.xsph.ru | udp |
| US | 8.8.8.8:53 | f0483357.xsph.ru | udp |
Files
memory/1948-0-0x00007FF9BFAC5000-0x00007FF9BFAC6000-memory.dmp
memory/1948-1-0x000000001BF80000-0x000000001C026000-memory.dmp
memory/1948-2-0x00007FF9BF810000-0x00007FF9C01B1000-memory.dmp
memory/1948-3-0x000000001C5A0000-0x000000001CA6E000-memory.dmp
memory/1948-4-0x00007FF9BF810000-0x00007FF9C01B1000-memory.dmp
memory/1948-5-0x000000001CB20000-0x000000001CBBC000-memory.dmp
memory/1948-6-0x00000000019D0000-0x00000000019D8000-memory.dmp
memory/1948-7-0x000000001CC80000-0x000000001CCCC000-memory.dmp
memory/1948-8-0x00007FF9BF810000-0x00007FF9C01B1000-memory.dmp
memory/1948-9-0x00007FF9BF810000-0x00007FF9C01B1000-memory.dmp
memory/1948-10-0x00007FF9BF810000-0x00007FF9C01B1000-memory.dmp
memory/1948-11-0x0000000020C00000-0x0000000020C62000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\svshost.exe
| MD5 | 2df0daacf8be5126ddbaa7ba9a83be58 |
| SHA1 | 0889fcd78f5bf71ca04280fe97b7507b6b114ba3 |
| SHA256 | 0936e508e142466b6d83e49b27513be2207822f91ac2d038023a86d6ccd29b2a |
| SHA512 | 0348f7511803198d5d81b10bac08b9e9e79bfd1d193c9a72b1bf3883bd49d18ec21a998e4a056206fac539c73843b31c10437838eb38746bd062e682f2df120e |
C:\Users\Admin\AppData\Local\Temp\Microsoft\MyClient\jusched.exe
| MD5 | 5891817266ffedc10d4a84a3bd483239 |
| SHA1 | b59d365a91b50ec55ccc1c1b2a70cbf858382aa3 |
| SHA256 | 51c45fb238881bd25fd7435d8b8e44eee9cc56887a56a7e5f5bdef8ec8392465 |
| SHA512 | 517c5d785f069ce566c1d89fcc998968a5cdfc6d85bcc7e42cc2e720b4be9b543065cc1c7967635948595fdbb4af3fc7714c8b90aa6035953bca40cba7272c23 |
C:\Users\Admin\AppData\Local\Temp\WinlockerBuilderv5.exe
| MD5 | 0df533cb9a581de63e3522954a681603 |
| SHA1 | be46afa245289e0d9a84bd1fd1faea8d8c96da5e |
| SHA256 | e3570b276e526f6fb6a289da32583b36cfbd98ec2f59d09c0243fbd0fc0805a3 |
| SHA512 | c973e3a8476879dad79f8b37f476d379b90f27cf64ecd359256df94fb811d69226dc50d1e8168d34787cc2d6abf407d8097e37cd60155650dad007a68263661e |
memory/1496-44-0x0000000000400000-0x0000000000C89000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\upx_compresser.exe
| MD5 | 0d833c6509f350e0a15492597df2bda6 |
| SHA1 | 1f77b7eb4410f6e1c0e0f7b971a3c98b3f0a5f9f |
| SHA256 | d280fdf95c57cba365c15fc9c6371ada79734480812497c2244246cfdac52ca7 |
| SHA512 | 9e7ec8f4a756a2546c64850e0ca390788b9817984c1a91af55ffddfd3a010d7629478c2665c03a8a15d46377d66223f6937ac9d8d3d6bda5f9a1ee549ef16118 |
memory/4024-55-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/4024-57-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/3440-58-0x0000000000400000-0x000000000052A000-memory.dmp
memory/1948-60-0x00007FF9BF810000-0x00007FF9C01B1000-memory.dmp
memory/436-76-0x0000000000400000-0x000000000052A000-memory.dmp
memory/1220-78-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2760-81-0x0000000000400000-0x0000000000C89000-memory.dmp
memory/1220-77-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/4024-86-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/4204-84-0x0000000000400000-0x000000000052A000-memory.dmp
memory/2480-87-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/1496-90-0x0000000000400000-0x0000000000C89000-memory.dmp
memory/2760-93-0x0000000000400000-0x0000000000C89000-memory.dmp
memory/1220-92-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2760-94-0x0000000000400000-0x0000000000C89000-memory.dmp
memory/1496-96-0x0000000000400000-0x0000000000C89000-memory.dmp
memory/2760-97-0x0000000000400000-0x0000000000C89000-memory.dmp
memory/1496-99-0x0000000000400000-0x0000000000C89000-memory.dmp