Analysis
- max time kernel
150s - max time network
147s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260617-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260617-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
19/06/2026, 16:08
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
lc.exe
Resource
win10v2004-20260513-en
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
lc.exe
Resource
win11ltsc2024-20260617-en
8 signatures
150 seconds
General
- Target lc.exe
- Size 331KB
- Sample260619-tk8elsax31
- SHA256 3a5089fd045a826b241c23dee3756a244c83d2b16dc6c90e1eea1aed74da779a
- MD5 1d25a6d9137df89b3439f5f6088a0790
- SHA1 a7ebe529782b5dfb415130728480be17aa22e749
- SHA512 9e468c224c1c2c774c0027d72a7eb9786a45bf88f95923159f86b5eb791f6ca4fa837e617352f4d4c32e6fd7f4efcf7c1c2a5ffb85c018ca52364c3c63b4edd9
- SSDEEP 6144:1a0UKyyofbzLmSCpMW90KImQinnVbU6FEnQd/hwQBjrQi33v8U:1a0UKw7IPpwu3v
- TLSH T18674AE9033AA467AC55D92BEE051124E43F4A51AE573EB857C8806EC9F8733CD78C29F
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
6/10
Malware Config
Signatures
- Adds Run key to start application 2 TTPs 10 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-28459746-3881314244-166055492-1000\Software\Microsoft\Windows\CurrentVersion\Run\WIN32_2 = "taskhost.exe" lc.exe Set value (str) \REGISTRY\USER\S-1-5-21-28459746-3881314244-166055492-1000\Software\Microsoft\Windows\CurrentVersion\Run\WIN32_4 = "System.exe" lc.exe Set value (str) \REGISTRY\USER\S-1-5-21-28459746-3881314244-166055492-1000\Software\Microsoft\Windows\CurrentVersion\Run\WIN32_5 = "_default64.exe" lc.exe Set value (str) \REGISTRY\USER\S-1-5-21-28459746-3881314244-166055492-1000\Software\Microsoft\Windows\CurrentVersion\Run\WIN32_7 = "ux-cryptor.exe" lc.exe Set value (str) \REGISTRY\USER\S-1-5-21-28459746-3881314244-166055492-1000\Software\Microsoft\Windows\CurrentVersion\Run\WIN32_8 = "crypt0rsx.exe" lc.exe Set value (str) \REGISTRY\USER\S-1-5-21-28459746-3881314244-166055492-1000\Software\Microsoft\Windows\CurrentVersion\Run\WIN32_3 = "windowsx-c.exe" lc.exe Set value (str) \REGISTRY\USER\S-1-5-21-28459746-3881314244-166055492-1000\Software\Microsoft\Windows\CurrentVersion\Run\WIN32_6 = "native.exe" lc.exe Set value (str) \REGISTRY\USER\S-1-5-21-28459746-3881314244-166055492-1000\Software\Microsoft\Windows\CurrentVersion\Run\WindowsInstaller = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\lc.exe\" -startup" lc.exe Set value (str) \REGISTRY\USER\S-1-5-21-28459746-3881314244-166055492-1000\Software\Microsoft\Windows\CurrentVersion\Run\MSEdgeUpdateX = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\lc.exe\"" lc.exe Set value (str) \REGISTRY\USER\S-1-5-21-28459746-3881314244-166055492-1000\Software\Microsoft\Windows\CurrentVersion\Run\WIN32_1 = "AWindowsService.exe" lc.exe - Drops desktop.ini file(s) 4 IoCs
description ioc Process File opened for modification C:\Users\Admin\Documents\desktop.ini attrib.exe File opened for modification C:\Users\Admin\Desktop\desktop.ini attrib.exe File opened for modification C:\Users\Public\Desktop\desktop.ini attrib.exe File opened for modification C:\Users\Admin\Downloads\desktop.ini attrib.exe - Hide Artifacts: Hidden Files and Directories 1 TTPs 6 IoCs
pid Process 4476 cmd.exe 1172 cmd.exe 3476 cmd.exe 4308 cmd.exe 3048 cmd.exe 5180 cmd.exe - Kills process with taskkill 1 IoCs
pid Process 1364 taskkill.exe - Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 5172 lc.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 5172 lc.exe Token: SeDebugPrivilege 1364 taskkill.exe - Suspicious use of WriteProcessMemory 19 IoCs
description pid Process procid_target PID 5172 wrote to memory of 1172 5172 lc.exe 89 PID 5172 wrote to memory of 4476 5172 lc.exe 90 PID 5172 wrote to memory of 5180 5172 lc.exe 91 PID 5172 wrote to memory of 3048 5172 lc.exe 92 PID 5172 wrote to memory of 4308 5172 lc.exe 93 PID 5172 wrote to memory of 3476 5172 lc.exe 94 PID 5172 wrote to memory of 1364 5172 lc.exe 95 PID 3476 wrote to memory of 256 3476 cmd.exe 113 PID 3048 wrote to memory of 244 3048 cmd.exe 114 PID 4308 wrote to memory of 632 4308 cmd.exe 115 PID 4476 wrote to memory of 5488 4476 cmd.exe 116 PID 5180 wrote to memory of 5716 5180 cmd.exe 117 PID 1172 wrote to memory of 5876 1172 cmd.exe 118 PID 4476 wrote to memory of 3288 4476 cmd.exe 120 PID 4308 wrote to memory of 3052 4308 cmd.exe 121 PID 3476 wrote to memory of 1960 3476 cmd.exe 122 PID 1172 wrote to memory of 2908 1172 cmd.exe 123 PID 5180 wrote to memory of 3764 5180 cmd.exe 124 PID 3048 wrote to memory of 4708 3048 cmd.exe 125 - Views/modifies file attributes 1 TTPs 12 IoCs
pid Process 3764 attrib.exe 5716 attrib.exe 5488 attrib.exe 1960 attrib.exe 2908 attrib.exe 4708 attrib.exe 256 attrib.exe 244 attrib.exe 5876 attrib.exe 632 attrib.exe 3288 attrib.exe 3052 attrib.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\lc.exe"C:\Users\Admin\AppData\Local\Temp\lc.exe"1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5172 -
C:\Windows\SYSTEM32\cmd.execmd.exe /c F: & attrib +h +s +r +i /D & echo [%RANDOM%] Ooops! Your files are encrypted by the CryptoBytes hacker group! Telegram for contact: @uglytyph 1>info-0v92.txt & attrib -h +s +r lc.txt2⤵
- Hide Artifacts: Hidden Files and Directories
- Suspicious use of WriteProcessMemory
PID:1172 -
C:\Windows\system32\attrib.exeattrib +h +s +r +i /D3⤵
- Views/modifies file attributes
PID:5876
-
-
C:\Windows\system32\attrib.exeattrib -h +s +r lc.txt3⤵
- Views/modifies file attributes
PID:2908
-
-
-
C:\Windows\SYSTEM32\cmd.execmd.exe /c cd "%userprofile%\desktop"&attrib +h +s +r +i /D & echo [%RANDOM%] Ooops! Your files are encrypted by the CryptoBytes hacker group! Telegram for contact: @uglytyph 1>info-0v92.txt & attrib -h +s +r lc.txt2⤵
- Hide Artifacts: Hidden Files and Directories
- Suspicious use of WriteProcessMemory
PID:4476 -
C:\Windows\system32\attrib.exeattrib +h +s +r +i /D3⤵
- Drops desktop.ini file(s)
- Views/modifies file attributes
PID:5488
-
-
C:\Windows\system32\attrib.exeattrib -h +s +r lc.txt3⤵
- Views/modifies file attributes
PID:3288
-
-
-
C:\Windows\SYSTEM32\cmd.execmd.exe /c cd "%systemdrive%\Users\Public\Desktop"&attrib +h +s +r +i /D & echo [%RANDOM%] Ooops! Your files are encrypted by the CryptoBytes hacker group! Telegram for contact: @uglytyph 1>info-0v92.txt & attrib -h +s +r lc.txt2⤵
- Hide Artifacts: Hidden Files and Directories
- Suspicious use of WriteProcessMemory
PID:5180 -
C:\Windows\system32\attrib.exeattrib +h +s +r +i /D3⤵
- Drops desktop.ini file(s)
- Views/modifies file attributes
PID:5716
-
-
C:\Windows\system32\attrib.exeattrib -h +s +r lc.txt3⤵
- Views/modifies file attributes
PID:3764
-
-
-
C:\Windows\SYSTEM32\cmd.execmd.exe /c cd "%userprofile%\downloads"&attrib +h +s +r +i /D & echo [%RANDOM%] Ooops! Your files are encrypted by the CryptoBytes hacker group! Telegram for contact: @uglytyph 1>info-0v92.txt & attrib -h +s +r lc.txt2⤵
- Hide Artifacts: Hidden Files and Directories
- Suspicious use of WriteProcessMemory
PID:3048 -
C:\Windows\system32\attrib.exeattrib +h +s +r +i /D3⤵
- Drops desktop.ini file(s)
- Views/modifies file attributes
PID:244
-
-
C:\Windows\system32\attrib.exeattrib -h +s +r lc.txt3⤵
- Views/modifies file attributes
PID:4708
-
-
-
C:\Windows\SYSTEM32\cmd.execmd.exe /c cd "%userprofile%\documents"&attrib +h +s +r +i /D & echo [%RANDOM%] Ooops! Your files are encrypted by the CryptoBytes hacker group! Telegram for contact: @uglytyph 1>info-0v92.txt & attrib -h +s +r lc.txt2⤵
- Hide Artifacts: Hidden Files and Directories
- Suspicious use of WriteProcessMemory
PID:4308 -
C:\Windows\system32\attrib.exeattrib +h +s +r +i /D3⤵
- Drops desktop.ini file(s)
- Views/modifies file attributes
PID:632
-
-
C:\Windows\system32\attrib.exeattrib -h +s +r lc.txt3⤵
- Views/modifies file attributes
PID:3052
-
-
-
C:\Windows\SYSTEM32\cmd.execmd.exe /c cd "%userprofile%"&attrib +h +s +r +i /D & echo [%RANDOM%] Ooops! Your files are encrypted by the CryptoBytes hacker group! Telegram for contact: @uglytyph 1>info-0v92.txt & attrib -h +s +r lc.txt2⤵
- Hide Artifacts: Hidden Files and Directories
- Suspicious use of WriteProcessMemory
PID:3476 -
C:\Windows\system32\attrib.exeattrib +h +s +r +i /D3⤵
- Views/modifies file attributes
PID:256
-
-
C:\Windows\system32\attrib.exeattrib -h +s +r lc.txt3⤵
- Views/modifies file attributes
PID:1960
-
-
-
C:\Windows\SYSTEM32\taskkill.exetaskkill.exe /im Explorer.exe /f2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1364
-
-
C:\Users\Admin\AppData\Local\Temp\lc.exe"C:\Users\Admin\AppData\Local\Temp\lc.exe" -startup1⤵PID:6128
-
C:\Users\Admin\AppData\Local\Temp\lc.exe"C:\Users\Admin\AppData\Local\Temp\lc.exe"1⤵PID:4520
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Public\Desktop\info-0v92.txt
- Size 108B
- SHA256 91f177f52585a1891859daef7bd285eaf93926204cc1f15b0324c73e9d767c7b
- MD5 5a93afa207a5e1151d6b12b91e90263d
- SHA1 8ad74ae98ca254adc1fb174276be957e587ee933
- SHA512 69268bca57c6aa764d28b66071f03b6c12f5fbf35e30f48f3889f20ce12e51f47bfa7d41e788e07c1287485624cc1291ee3aa85cd41d648fbb6023e89d1dbc85
- TLSH T117B02B141978E2C4209000F03131B150245D910C503A09411104005510200A85DA60E0
- MD5 SHA1 SHA512 TLSH