Analysis
- max time kernel
150s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
- submitted
02/01/2023, 17:31
General
- Target file.exe
- Size 211KB
- Sample230102-v3p7esfa32
- SHA256 90188daa3aa2eab9f309dd2edb5bb30bea5ca9a9f69e642cbdb9401494c900b3
Malware Config
Extracted
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amadey
-
3.63
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62.204.41.109/Nmkn5d9Dn/index.php
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45.32.200.113/mBsjv2swweP/index.php
Extracted
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djvu
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http://ex3mall.com/lancer/get.php
-
extension
.znto
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offline_id
bE95c2N1x4fARf4W3qmFCjkKPwfFkQaU9NpNBMt1
-
payload_url
http://uaery.top/dl/build2.exe
http://ex3mall.com/files/1/build3.exe
-
ransomnote
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Extracted
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vidar
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1.7
-
19
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https://t.me/robloxblackl
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https://steamcommunity.com/profiles/76561199458928097
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profile_id
19
Signatures
- Amadey
Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.
- DcRat
DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.
- Detect Amadey credential stealer module 6 IoCs
- Detected Djvu ransomware 10 IoCs
- Detects Smokeloader packer 2 IoCs
- Djvu Ransomware
Ransomware which is a variant of the STOP family.
- Process spawned unexpected child process 1 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
- SmokeLoader
Modular backdoor trojan in use since 2014.
- Vidar
Vidar is an infostealer based on Arkei stealer.
- Blocklisted process makes network request 3 IoCs
- Downloads MZ/PE file
- Executes dropped EXE 27 IoCs
- VMProtect packed file 6 IoCs
Detects executables packed with VMProtect commercial packer.
- Checks computer location settings 2 TTPs 12 IoCs
Looks up country code configured in the registry, likely geofence.
- Loads dropped DLL 7 IoCs
- Modifies file permissions 1 TTPs 1 IoCs
- Reads local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses 2FA software files, possible credential harvesting 2 TTPs
- Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
- Accesses Microsoft Outlook profiles 1 TTPs 6 IoCs
- Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
- Adds Run key to start application 2 TTPs 1 IoCs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 4 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Program crash 4 IoCs
- Checks SCSI registry key(s) 3 TTPs 6 IoCs
SCSI information is often read in order to detect sandboxing environments.
- Checks processor information in registry 2 TTPs 30 IoCs
Processor information is often read in order to detect sandboxing environments.
- Creates scheduled task(s) 1 TTPs 4 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Delays execution with timeout.exe 1 IoCs
- Modifies Internet Explorer settings 1 TTPs 4 IoCs
- Modifies registry class 30 IoCs
- Script User-Agent 1 IoCs
Uses user-agent string associated with script host/environment.
- Suspicious behavior: AddClipboardFormatListener 1 IoCs
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 2 IoCs
- Suspicious use of AdjustPrivilegeToken 64 IoCs
- Suspicious use of FindShellTrayWindow 10 IoCs
- Suspicious use of SetWindowsHookEx 2 IoCs
- Suspicious use of UnmapMainImage 1 IoCs
- Suspicious use of WriteProcessMemory 64 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
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C:\Users\Admin\AppData\Local\Temp\D640.exeC:\Users\Admin\AppData\Local\Temp\D640.exe1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\D640.exeC:\Users\Admin\AppData\Local\Temp\D640.exe2⤵
- Executes dropped EXE
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\icacls.exeicacls "C:\Users\Admin\AppData\Local\e2da86e5-91c5-47cf-a28f-f83ab5dff511" /deny *S-1-1-0:(OI)(CI)(DE,DC)3⤵
- Modifies file permissions
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C:\Users\Admin\AppData\Local\Temp\D640.exe"C:\Users\Admin\AppData\Local\Temp\D640.exe" --Admin IsNotAutoStart IsNotTask3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\D640.exe"C:\Users\Admin\AppData\Local\Temp\D640.exe" --Admin IsNotAutoStart IsNotTask4⤵
- Executes dropped EXE
- Checks computer location settings
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C:\Users\Admin\AppData\Local\e1093606-4fa4-4d93-9d34-54cf7ff86fc8\build2.exe"C:\Users\Admin\AppData\Local\e1093606-4fa4-4d93-9d34-54cf7ff86fc8\build2.exe"5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
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C:\Users\Admin\AppData\Local\e1093606-4fa4-4d93-9d34-54cf7ff86fc8\build2.exe"C:\Users\Admin\AppData\Local\e1093606-4fa4-4d93-9d34-54cf7ff86fc8\build2.exe"6⤵
- Executes dropped EXE
- Checks computer location settings
- Loads dropped DLL
- Checks processor information in registry
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\e1093606-4fa4-4d93-9d34-54cf7ff86fc8\build2.exe" & exit7⤵
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C:\Windows\SysWOW64\timeout.exetimeout /t 68⤵
- Delays execution with timeout.exe
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C:\Users\Admin\AppData\Local\e1093606-4fa4-4d93-9d34-54cf7ff86fc8\build3.exe"C:\Users\Admin\AppData\Local\e1093606-4fa4-4d93-9d34-54cf7ff86fc8\build3.exe"5⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\schtasks.exe/C /create /F /sc minute /mo 1 /tn "Azure-Update-Task" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe"6⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\D855.exeC:\Users\Admin\AppData\Local\Temp\D855.exe1⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\cb465ca805\nbveek.exe"C:\Users\Admin\AppData\Local\Temp\cb465ca805\nbveek.exe"2⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN nbveek.exe /TR "C:\Users\Admin\AppData\Local\Temp\cb465ca805\nbveek.exe" /F3⤵
- Creates scheduled task(s)
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k echo Y|CACLS "nbveek.exe" /P "Admin:N"&&CACLS "nbveek.exe" /P "Admin:R" /E&&echo Y|CACLS "..\cb465ca805" /P "Admin:N"&&CACLS "..\cb465ca805" /P "Admin:R" /E&&Exit3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /S /D /c" echo Y"4⤵
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C:\Windows\SysWOW64\cacls.exeCACLS "nbveek.exe" /P "Admin:N"4⤵
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C:\Windows\SysWOW64\cacls.exeCACLS "nbveek.exe" /P "Admin:R" /E4⤵
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /S /D /c" echo Y"4⤵
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C:\Windows\SysWOW64\cacls.exeCACLS "..\cb465ca805" /P "Admin:N"4⤵
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C:\Windows\SysWOW64\cacls.exeCACLS "..\cb465ca805" /P "Admin:R" /E4⤵
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C:\Windows\SysWOW64\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\006700e5a2ab05\cred64.dll, Main3⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Accesses Microsoft Outlook profiles
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C:\Users\Admin\AppData\Local\Temp\D950.exeC:\Users\Admin\AppData\Local\Temp\D950.exe1⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\cb465ca805\nbveek.exe"C:\Users\Admin\AppData\Local\Temp\cb465ca805\nbveek.exe"2⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Local\Temp\E007.exeC:\Users\Admin\AppData\Local\Temp\E007.exe1⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
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C:\Users\Admin\AppData\Local\Temp\E17F.exeC:\Users\Admin\AppData\Local\Temp\E17F.exe1⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4400 -s 3402⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4400 -ip 44001⤵
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C:\Users\Admin\AppData\Local\Temp\36F3.exeC:\Users\Admin\AppData\Local\Temp\36F3.exe1⤵
- Executes dropped EXE
- Checks computer location settings
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C:\Users\Admin\AppData\Local\Temp\Player.exe"C:\Users\Admin\AppData\Local\Temp\Player.exe"2⤵
- Executes dropped EXE
- Checks computer location settings
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C:\Users\Admin\AppData\Local\Temp\0277f5d4dc\nbveek.exe"C:\Users\Admin\AppData\Local\Temp\0277f5d4dc\nbveek.exe"3⤵
- Executes dropped EXE
- Checks computer location settings
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN nbveek.exe /TR "C:\Users\Admin\AppData\Local\Temp\0277f5d4dc\nbveek.exe" /F4⤵
- Creates scheduled task(s)
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C:\Windows\SysWOW64\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\07c6bc37dc5087\cred64.dll, Main4⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Accesses Microsoft Outlook profiles
- outlook_win_path
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C:\Users\Admin\AppData\Local\Temp\yhli.exe"C:\Users\Admin\AppData\Local\Temp\yhli.exe"2⤵
- Executes dropped EXE
- Checks computer location settings
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C:\Users\Admin\AppData\Local\Temp\yhli.exe"C:\Users\Admin\AppData\Local\Temp\yhli.exe" -h3⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Local\Temp\38D9.exeC:\Users\Admin\AppData\Local\Temp\38D9.exe1⤵
- Executes dropped EXE
- Checks computer location settings
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C:\Users\Admin\AppData\Local\Temp\Player.exe"C:\Users\Admin\AppData\Local\Temp\Player.exe"2⤵
- Executes dropped EXE
- Checks computer location settings
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C:\Users\Admin\AppData\Local\Temp\0277f5d4dc\nbveek.exe"C:\Users\Admin\AppData\Local\Temp\0277f5d4dc\nbveek.exe"3⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3396 -s 15202⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 3396 -ip 33961⤵
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C:\Users\Admin\AppData\Local\Temp\3D2F.exeC:\Users\Admin\AppData\Local\Temp\3D2F.exe1⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Local\Temp\43F6.exeC:\Users\Admin\AppData\Local\Temp\43F6.exe1⤵
- Executes dropped EXE
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C:\Windows\system32\rundll32.exerundll32.exe "C:\Users\Admin\AppData\Local\Temp\db.dll",open1⤵
- Process spawned unexpected child process
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C:\Windows\SysWOW64\rundll32.exerundll32.exe "C:\Users\Admin\AppData\Local\Temp\db.dll",open2⤵
- Loads dropped DLL
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3976 -s 6003⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 3976 -ip 39761⤵
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C:\Users\Admin\AppData\Local\Temp\0277f5d4dc\nbveek.exeC:\Users\Admin\AppData\Local\Temp\0277f5d4dc\nbveek.exe1⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exeC:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe1⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\schtasks.exe/C /create /F /sc minute /mo 1 /tn "Azure-Update-Task" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\5BD5.exeC:\Users\Admin\AppData\Local\Temp\5BD5.exe1⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\rundll32.exe"C:\Windows\system32\rundll32.exe" "C:\Users\Admin\AppData\Local\Temp\Uwuepfhtwy.tmp",Iypewfhtshu2⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Accesses Microsoft Outlook accounts
- Accesses Microsoft Outlook profiles
- Suspicious use of SetThreadContext
- Checks processor information in registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- outlook_office_path
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C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" "C:\Windows\system32\shell32.dll",#61 226673⤵
- Modifies registry class
- Suspicious use of FindShellTrayWindow
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C:\Windows\SysWOW64\schtasks.exeschtasks /End /tn \Microsoft\Windows\Wininet\CacheTask3⤵
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C:\Windows\SysWOW64\schtasks.exeschtasks /Run /tn \Microsoft\Windows\Wininet\CacheTask3⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1952 -s 5362⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 1952 -ip 19521⤵
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C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding1⤵
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C:\Users\Admin\AppData\Local\Temp\0277f5d4dc\nbveek.exeC:\Users\Admin\AppData\Local\Temp\0277f5d4dc\nbveek.exe1⤵
- Executes dropped EXE
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
mozglue.dll
nss3.dll
07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
nbveek.exe
nbveek.exe
nbveek.exe
nbveek.exe
nbveek.exe
nbveek.exe
36F3.exe
36F3.exe
38D9.exe
38D9.exe
3D2F.exe
3D2F.exe
43F6.exe
43F6.exe
5BD5.exe
5BD5.exe
D640.exe
D640.exe
D640.exe
D640.exe
D640.exe
D855.exe
D855.exe
D950.exe
D950.exe
E007.exe
E007.exe
E17F.exe
E17F.exe
Player.exe
Player.exe
Player.exe
Player.exe
Uwuepfhtwy.tmp
Uwuepfhtwy.tmp
nbveek.exe
nbveek.exe
nbveek.exe
nbveek.exe
db.dat
db.dll
db.dll
yhli.exe
yhli.exe
yhli.exe
build2.exe
build2.exe
build2.exe
build3.exe
build3.exe
D640.exe
cred64.dll
cred64.dll
cred64.dll
cred64.dll
cred64.dll
mstsca.exe
mstsca.exe
memory/944-188-0x00000000021FA000-0x000000000228B000-memory.dmp
memory/1384-174-0x00000000004D0000-0x00000000004D9000-memory.dmp
memory/1384-173-0x0000000000589000-0x000000000059A000-memory.dmp
memory/1384-194-0x0000000000400000-0x0000000000452000-memory.dmp
memory/1384-175-0x0000000000400000-0x0000000000452000-memory.dmp
memory/1476-270-0x0000000140000000-0x000000014061A000-memory.dmp
memory/1848-310-0x00000237AC8F0000-0x00000237ACB9E000-memory.dmp
memory/1848-305-0x00000237AE1B0000-0x00000237AE2F0000-memory.dmp
memory/1848-308-0x00000237AC8F0000-0x00000237ACB9E000-memory.dmp
memory/1848-307-0x0000000000460000-0x00000000006FD000-memory.dmp
memory/1848-306-0x00000237AE1B0000-0x00000237AE2F0000-memory.dmp
memory/1952-289-0x00000000022C0000-0x00000000023E5000-memory.dmp
memory/1952-290-0x0000000000400000-0x0000000000527000-memory.dmp
memory/1952-288-0x00000000021CD000-0x00000000022B2000-memory.dmp
memory/2016-163-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2016-172-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2016-180-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2016-168-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2016-165-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2604-166-0x0000000002190000-0x0000000002221000-memory.dmp
memory/2604-169-0x0000000002230000-0x000000000234B000-memory.dmp
memory/3084-238-0x0000000000370000-0x00000000003D8000-memory.dmp
memory/3608-193-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3608-186-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3608-187-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3608-210-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3804-134-0x0000000000400000-0x0000000000452000-memory.dmp
memory/3804-135-0x0000000000400000-0x0000000000452000-memory.dmp
memory/3804-133-0x00000000004D0000-0x00000000004D9000-memory.dmp
memory/3804-132-0x0000000000589000-0x000000000059A000-memory.dmp
memory/3832-206-0x0000000000400000-0x000000000045F000-memory.dmp
memory/3832-211-0x0000000060900000-0x0000000060992000-memory.dmp
memory/3832-205-0x0000000000400000-0x000000000045F000-memory.dmp
memory/3832-203-0x0000000000400000-0x000000000045F000-memory.dmp
memory/3832-209-0x0000000000400000-0x000000000045F000-memory.dmp
memory/3832-233-0x0000000000400000-0x000000000045F000-memory.dmp
memory/3912-297-0x00000000004D0000-0x00000000004F4000-memory.dmp
memory/3920-263-0x0000000140000000-0x000000014061A000-memory.dmp
memory/4280-299-0x0000000004230000-0x0000000004370000-memory.dmp
memory/4280-291-0x0000000006040000-0x0000000006B8E000-memory.dmp
memory/4280-298-0x0000000004230000-0x0000000004370000-memory.dmp
memory/4280-292-0x0000000006040000-0x0000000006B8E000-memory.dmp
memory/4280-300-0x0000000005440000-0x0000000005580000-memory.dmp
memory/4280-301-0x0000000005440000-0x0000000005580000-memory.dmp
memory/4280-302-0x0000000004230000-0x0000000004370000-memory.dmp
memory/4280-303-0x0000000004230000-0x0000000004370000-memory.dmp
memory/4280-312-0x0000000006040000-0x0000000006B8E000-memory.dmp
memory/4400-182-0x0000000000400000-0x0000000000459000-memory.dmp
memory/4400-181-0x000000000071D000-0x000000000072D000-memory.dmp
memory/5000-208-0x00000000005E0000-0x000000000062C000-memory.dmp
memory/5000-207-0x0000000000802000-0x000000000082F000-memory.dmp