Analysis
- max time kernel
153s - max time network
155s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
06/11/2022, 13:11
Behavioral task
behavioral1
Sample
da6813095002545f51f0009b0a29305fdff76874da8089c3f7b9074f472d6c1c.exe
Resource
win7-20220812-en
14 signatures
150 seconds
General
- Target da6813095002545f51f0009b0a29305fdff76874da8089c3f7b9074f472d6c1c.exe
- Size 332KB
- Sample221106-qe3emafadn
- SHA256 da6813095002545f51f0009b0a29305fdff76874da8089c3f7b9074f472d6c1c
- MD5 088a2489fd50dc6528ff7e58c7586bc3
- SHA1 8608c2e1c589a4265d1f094e4e4223c4987ef75a
- SHA512 d09d3ec5a8775a8348ac741e0c9bd2769b578c367cb48b4eaf3dcefba6f67382a3a275ce1bbdd92787cab8164c0a6eea85ee872e6092faef2f90d5175eb90b4b
- SSDEEP 6144:8mcD66RE5JGmrpQsK3RD2u270jupCJsCxCzIzdT:NcD667Z2zkPaCxN
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
-
cybergate
Version
-
2.6
Botnet
-
deneme
C2
-
127.0.0.1:81
-
whybifii.myftp.biz:81
Mutex
-
***MUTEX***
Attributes
-
enable_keylogger
true
-
enable_message_box
false
-
ftp_directory
./logs/
-
ftp_interval
30
-
injected_process
explorer.exe
-
install_dir
rundll
-
install_file
rundll32.exe
-
install_flag
true
-
keylogger_enable_ftp
false
-
message_box_caption
texto da mensagem
-
message_box_title
tÃtulo da mensagem
-
password
abcd1234
-
regkey_hkcu
rundll32
-
regkey_hklm
rundll
Signatures
- Adds policy Run key to start application 2 TTPs 4 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\Polices = "C:\\Windows\\system32\\rundll\\rundll32.exe" da6813095002545f51f0009b0a29305fdff76874da8089c3f7b9074f472d6c1c.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run da6813095002545f51f0009b0a29305fdff76874da8089c3f7b9074f472d6c1c.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\Polices = "C:\\Windows\\system32\\rundll\\rundll32.exe" da6813095002545f51f0009b0a29305fdff76874da8089c3f7b9074f472d6c1c.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run da6813095002545f51f0009b0a29305fdff76874da8089c3f7b9074f472d6c1c.exe - Executes dropped EXE 1 IoCs
pid Process 4516 rundll32.exe - Modifies Installed Components in the registry 2 TTPs 4 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{85X6544J-11GQ-ULYL-KLV0-4MP13O10PAUX} da6813095002545f51f0009b0a29305fdff76874da8089c3f7b9074f472d6c1c.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{85X6544J-11GQ-ULYL-KLV0-4MP13O10PAUX}\StubPath = "C:\\Windows\\system32\\rundll\\rundll32.exe Restart" da6813095002545f51f0009b0a29305fdff76874da8089c3f7b9074f472d6c1c.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{85X6544J-11GQ-ULYL-KLV0-4MP13O10PAUX} explorer.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{85X6544J-11GQ-ULYL-KLV0-4MP13O10PAUX}\StubPath = "C:\\Windows\\system32\\rundll\\rundll32.exe" explorer.exe -
resource yara_rule behavioral2/memory/1152-132-0x0000000000400000-0x0000000000455000-memory.dmp upx behavioral2/memory/1152-134-0x0000000024010000-0x0000000024072000-memory.dmp upx behavioral2/memory/1152-139-0x0000000024080000-0x00000000240E2000-memory.dmp upx behavioral2/memory/1952-142-0x0000000024080000-0x00000000240E2000-memory.dmp upx behavioral2/memory/1952-143-0x0000000024080000-0x00000000240E2000-memory.dmp upx behavioral2/files/0x0006000000022e49-145.dat upx behavioral2/memory/1152-147-0x00000000240F0000-0x0000000024152000-memory.dmp upx behavioral2/memory/1152-157-0x0000000000400000-0x0000000000455000-memory.dmp upx behavioral2/memory/5040-156-0x0000000024160000-0x00000000241C2000-memory.dmp upx behavioral2/memory/1152-153-0x0000000024160000-0x00000000241C2000-memory.dmp upx behavioral2/memory/5040-152-0x0000000000400000-0x0000000000455000-memory.dmp upx behavioral2/files/0x0006000000022e49-159.dat upx behavioral2/memory/4516-160-0x0000000000400000-0x0000000000455000-memory.dmp upx behavioral2/memory/5040-161-0x0000000024160000-0x00000000241C2000-memory.dmp upx behavioral2/memory/1952-162-0x0000000024080000-0x00000000240E2000-memory.dmp upx behavioral2/memory/5040-163-0x0000000024160000-0x00000000241C2000-memory.dmp upx - Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation da6813095002545f51f0009b0a29305fdff76874da8089c3f7b9074f472d6c1c.exe - Adds Run key to start application 2 TTPs 4 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rundll32 = "C:\\Windows\\system32\\rundll\\rundll32.exe" da6813095002545f51f0009b0a29305fdff76874da8089c3f7b9074f472d6c1c.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run da6813095002545f51f0009b0a29305fdff76874da8089c3f7b9074f472d6c1c.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\rundll = "C:\\Windows\\system32\\rundll\\rundll32.exe" da6813095002545f51f0009b0a29305fdff76874da8089c3f7b9074f472d6c1c.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run da6813095002545f51f0009b0a29305fdff76874da8089c3f7b9074f472d6c1c.exe - Drops file in System32 directory 4 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\rundll\ da6813095002545f51f0009b0a29305fdff76874da8089c3f7b9074f472d6c1c.exe File created C:\Windows\SysWOW64\rundll\rundll32.exe da6813095002545f51f0009b0a29305fdff76874da8089c3f7b9074f472d6c1c.exe File opened for modification C:\Windows\SysWOW64\rundll\rundll32.exe da6813095002545f51f0009b0a29305fdff76874da8089c3f7b9074f472d6c1c.exe File opened for modification C:\Windows\SysWOW64\rundll\rundll32.exe da6813095002545f51f0009b0a29305fdff76874da8089c3f7b9074f472d6c1c.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Program crash 1 IoCs
pid pid_target Process procid_target 4432 4516 WerFault.exe 82 - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1152 da6813095002545f51f0009b0a29305fdff76874da8089c3f7b9074f472d6c1c.exe 1152 da6813095002545f51f0009b0a29305fdff76874da8089c3f7b9074f472d6c1c.exe - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 5040 da6813095002545f51f0009b0a29305fdff76874da8089c3f7b9074f472d6c1c.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 5040 da6813095002545f51f0009b0a29305fdff76874da8089c3f7b9074f472d6c1c.exe Token: SeDebugPrivilege 5040 da6813095002545f51f0009b0a29305fdff76874da8089c3f7b9074f472d6c1c.exe - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1152 da6813095002545f51f0009b0a29305fdff76874da8089c3f7b9074f472d6c1c.exe - Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 1152 wrote to memory of 2016 1152 da6813095002545f51f0009b0a29305fdff76874da8089c3f7b9074f472d6c1c.exe 44 PID 1152 wrote to memory of 2016 1152 da6813095002545f51f0009b0a29305fdff76874da8089c3f7b9074f472d6c1c.exe 44 PID 1152 wrote to memory of 2016 1152 da6813095002545f51f0009b0a29305fdff76874da8089c3f7b9074f472d6c1c.exe 44 PID 1152 wrote to memory of 2016 1152 da6813095002545f51f0009b0a29305fdff76874da8089c3f7b9074f472d6c1c.exe 44 PID 1152 wrote to memory of 2016 1152 da6813095002545f51f0009b0a29305fdff76874da8089c3f7b9074f472d6c1c.exe 44 PID 1152 wrote to memory of 2016 1152 da6813095002545f51f0009b0a29305fdff76874da8089c3f7b9074f472d6c1c.exe 44 PID 1152 wrote to memory of 2016 1152 da6813095002545f51f0009b0a29305fdff76874da8089c3f7b9074f472d6c1c.exe 44 PID 1152 wrote to memory of 2016 1152 da6813095002545f51f0009b0a29305fdff76874da8089c3f7b9074f472d6c1c.exe 44 PID 1152 wrote to memory of 2016 1152 da6813095002545f51f0009b0a29305fdff76874da8089c3f7b9074f472d6c1c.exe 44 PID 1152 wrote to memory of 2016 1152 da6813095002545f51f0009b0a29305fdff76874da8089c3f7b9074f472d6c1c.exe 44 PID 1152 wrote to memory of 2016 1152 da6813095002545f51f0009b0a29305fdff76874da8089c3f7b9074f472d6c1c.exe 44 PID 1152 wrote to memory of 2016 1152 da6813095002545f51f0009b0a29305fdff76874da8089c3f7b9074f472d6c1c.exe 44 PID 1152 wrote to memory of 2016 1152 da6813095002545f51f0009b0a29305fdff76874da8089c3f7b9074f472d6c1c.exe 44 PID 1152 wrote to memory of 2016 1152 da6813095002545f51f0009b0a29305fdff76874da8089c3f7b9074f472d6c1c.exe 44 PID 1152 wrote to memory of 2016 1152 da6813095002545f51f0009b0a29305fdff76874da8089c3f7b9074f472d6c1c.exe 44 PID 1152 wrote to memory of 2016 1152 da6813095002545f51f0009b0a29305fdff76874da8089c3f7b9074f472d6c1c.exe 44 PID 1152 wrote to memory of 2016 1152 da6813095002545f51f0009b0a29305fdff76874da8089c3f7b9074f472d6c1c.exe 44 PID 1152 wrote to memory of 2016 1152 da6813095002545f51f0009b0a29305fdff76874da8089c3f7b9074f472d6c1c.exe 44 PID 1152 wrote to memory of 2016 1152 da6813095002545f51f0009b0a29305fdff76874da8089c3f7b9074f472d6c1c.exe 44 PID 1152 wrote to memory of 2016 1152 da6813095002545f51f0009b0a29305fdff76874da8089c3f7b9074f472d6c1c.exe 44 PID 1152 wrote to memory of 2016 1152 da6813095002545f51f0009b0a29305fdff76874da8089c3f7b9074f472d6c1c.exe 44 PID 1152 wrote to memory of 2016 1152 da6813095002545f51f0009b0a29305fdff76874da8089c3f7b9074f472d6c1c.exe 44 PID 1152 wrote to memory of 2016 1152 da6813095002545f51f0009b0a29305fdff76874da8089c3f7b9074f472d6c1c.exe 44 PID 1152 wrote to memory of 2016 1152 da6813095002545f51f0009b0a29305fdff76874da8089c3f7b9074f472d6c1c.exe 44 PID 1152 wrote to memory of 2016 1152 da6813095002545f51f0009b0a29305fdff76874da8089c3f7b9074f472d6c1c.exe 44 PID 1152 wrote to memory of 2016 1152 da6813095002545f51f0009b0a29305fdff76874da8089c3f7b9074f472d6c1c.exe 44 PID 1152 wrote to memory of 2016 1152 da6813095002545f51f0009b0a29305fdff76874da8089c3f7b9074f472d6c1c.exe 44 PID 1152 wrote to memory of 2016 1152 da6813095002545f51f0009b0a29305fdff76874da8089c3f7b9074f472d6c1c.exe 44 PID 1152 wrote to memory of 2016 1152 da6813095002545f51f0009b0a29305fdff76874da8089c3f7b9074f472d6c1c.exe 44 PID 1152 wrote to memory of 2016 1152 da6813095002545f51f0009b0a29305fdff76874da8089c3f7b9074f472d6c1c.exe 44 PID 1152 wrote to memory of 2016 1152 da6813095002545f51f0009b0a29305fdff76874da8089c3f7b9074f472d6c1c.exe 44 PID 1152 wrote to memory of 2016 1152 da6813095002545f51f0009b0a29305fdff76874da8089c3f7b9074f472d6c1c.exe 44 PID 1152 wrote to memory of 2016 1152 da6813095002545f51f0009b0a29305fdff76874da8089c3f7b9074f472d6c1c.exe 44 PID 1152 wrote to memory of 2016 1152 da6813095002545f51f0009b0a29305fdff76874da8089c3f7b9074f472d6c1c.exe 44 PID 1152 wrote to memory of 2016 1152 da6813095002545f51f0009b0a29305fdff76874da8089c3f7b9074f472d6c1c.exe 44 PID 1152 wrote to memory of 2016 1152 da6813095002545f51f0009b0a29305fdff76874da8089c3f7b9074f472d6c1c.exe 44 PID 1152 wrote to memory of 2016 1152 da6813095002545f51f0009b0a29305fdff76874da8089c3f7b9074f472d6c1c.exe 44 PID 1152 wrote to memory of 2016 1152 da6813095002545f51f0009b0a29305fdff76874da8089c3f7b9074f472d6c1c.exe 44 PID 1152 wrote to memory of 2016 1152 da6813095002545f51f0009b0a29305fdff76874da8089c3f7b9074f472d6c1c.exe 44 PID 1152 wrote to memory of 2016 1152 da6813095002545f51f0009b0a29305fdff76874da8089c3f7b9074f472d6c1c.exe 44 PID 1152 wrote to memory of 2016 1152 da6813095002545f51f0009b0a29305fdff76874da8089c3f7b9074f472d6c1c.exe 44 PID 1152 wrote to memory of 2016 1152 da6813095002545f51f0009b0a29305fdff76874da8089c3f7b9074f472d6c1c.exe 44 PID 1152 wrote to memory of 2016 1152 da6813095002545f51f0009b0a29305fdff76874da8089c3f7b9074f472d6c1c.exe 44 PID 1152 wrote to memory of 2016 1152 da6813095002545f51f0009b0a29305fdff76874da8089c3f7b9074f472d6c1c.exe 44 PID 1152 wrote to memory of 2016 1152 da6813095002545f51f0009b0a29305fdff76874da8089c3f7b9074f472d6c1c.exe 44 PID 1152 wrote to memory of 2016 1152 da6813095002545f51f0009b0a29305fdff76874da8089c3f7b9074f472d6c1c.exe 44 PID 1152 wrote to memory of 2016 1152 da6813095002545f51f0009b0a29305fdff76874da8089c3f7b9074f472d6c1c.exe 44 PID 1152 wrote to memory of 2016 1152 da6813095002545f51f0009b0a29305fdff76874da8089c3f7b9074f472d6c1c.exe 44 PID 1152 wrote to memory of 2016 1152 da6813095002545f51f0009b0a29305fdff76874da8089c3f7b9074f472d6c1c.exe 44 PID 1152 wrote to memory of 2016 1152 da6813095002545f51f0009b0a29305fdff76874da8089c3f7b9074f472d6c1c.exe 44 PID 1152 wrote to memory of 2016 1152 da6813095002545f51f0009b0a29305fdff76874da8089c3f7b9074f472d6c1c.exe 44 PID 1152 wrote to memory of 2016 1152 da6813095002545f51f0009b0a29305fdff76874da8089c3f7b9074f472d6c1c.exe 44 PID 1152 wrote to memory of 2016 1152 da6813095002545f51f0009b0a29305fdff76874da8089c3f7b9074f472d6c1c.exe 44 PID 1152 wrote to memory of 2016 1152 da6813095002545f51f0009b0a29305fdff76874da8089c3f7b9074f472d6c1c.exe 44 PID 1152 wrote to memory of 2016 1152 da6813095002545f51f0009b0a29305fdff76874da8089c3f7b9074f472d6c1c.exe 44 PID 1152 wrote to memory of 2016 1152 da6813095002545f51f0009b0a29305fdff76874da8089c3f7b9074f472d6c1c.exe 44 PID 1152 wrote to memory of 2016 1152 da6813095002545f51f0009b0a29305fdff76874da8089c3f7b9074f472d6c1c.exe 44 PID 1152 wrote to memory of 2016 1152 da6813095002545f51f0009b0a29305fdff76874da8089c3f7b9074f472d6c1c.exe 44 PID 1152 wrote to memory of 2016 1152 da6813095002545f51f0009b0a29305fdff76874da8089c3f7b9074f472d6c1c.exe 44 PID 1152 wrote to memory of 2016 1152 da6813095002545f51f0009b0a29305fdff76874da8089c3f7b9074f472d6c1c.exe 44 PID 1152 wrote to memory of 2016 1152 da6813095002545f51f0009b0a29305fdff76874da8089c3f7b9074f472d6c1c.exe 44 PID 1152 wrote to memory of 2016 1152 da6813095002545f51f0009b0a29305fdff76874da8089c3f7b9074f472d6c1c.exe 44 PID 1152 wrote to memory of 2016 1152 da6813095002545f51f0009b0a29305fdff76874da8089c3f7b9074f472d6c1c.exe 44 PID 1152 wrote to memory of 2016 1152 da6813095002545f51f0009b0a29305fdff76874da8089c3f7b9074f472d6c1c.exe 44
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:2016
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C:\Users\Admin\AppData\Local\Temp\da6813095002545f51f0009b0a29305fdff76874da8089c3f7b9074f472d6c1c.exe"C:\Users\Admin\AppData\Local\Temp\da6813095002545f51f0009b0a29305fdff76874da8089c3f7b9074f472d6c1c.exe"2⤵
- Adds policy Run key to start application
- Modifies Installed Components in the registry
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1152 -
C:\Windows\SysWOW64\explorer.exeexplorer.exe3⤵
- Modifies Installed Components in the registry
PID:1952
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C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe"3⤵PID:5012
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C:\Users\Admin\AppData\Local\Temp\da6813095002545f51f0009b0a29305fdff76874da8089c3f7b9074f472d6c1c.exe"C:\Users\Admin\AppData\Local\Temp\da6813095002545f51f0009b0a29305fdff76874da8089c3f7b9074f472d6c1c.exe"3⤵
- Checks computer location settings
- Drops file in System32 directory
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:5040 -
C:\Windows\SysWOW64\rundll\rundll32.exe"C:\Windows\system32\rundll\rundll32.exe"4⤵
- Executes dropped EXE
PID:4516 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4516 -s 7045⤵
- Program crash
PID:4432
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4516 -ip 45161⤵PID:3192
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\XX--XX--XX.txt
- Size 229KB
- SHA256 e0f64c79106d6f89728da0217a28ef2bf2b7f7720438951da136ee5d4b5e0c27
- MD5 43b85b67a4b10570c6e0cf639f619d4d
- SHA1 94e659f7be0a57a024edf49e0e084d766fb79aa6
- SHA512 6848cb1ada11b646715da27fb24a8efbc217cfb4edbfe34f6bcf7f5c545ed26f29d8d115c29fef0d4c1a6f44d699c6420290bce4f2a8015d46b403ede8a795b8
- SSDEEP 3072:otP5JuXLFG3Oa95BrKUqEQ94jhc3PQuPe2D2ue3NXR0jW/UCFnp7HBIJJyCwFiCT:a5JGmrpQsK3RD2u270jupCJsCxCT
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\SysWOW64\rundll\rundll32.exe
- Size 332KB
- SHA256 da6813095002545f51f0009b0a29305fdff76874da8089c3f7b9074f472d6c1c
- MD5 088a2489fd50dc6528ff7e58c7586bc3
- SHA1 8608c2e1c589a4265d1f094e4e4223c4987ef75a
- SHA512 d09d3ec5a8775a8348ac741e0c9bd2769b578c367cb48b4eaf3dcefba6f67382a3a275ce1bbdd92787cab8164c0a6eea85ee872e6092faef2f90d5175eb90b4b
- SSDEEP 6144:8mcD66RE5JGmrpQsK3RD2u270jupCJsCxCzIzdT:NcD667Z2zkPaCxN
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\SysWOW64\rundll\rundll32.exe
- Size 332KB
- SHA256 da6813095002545f51f0009b0a29305fdff76874da8089c3f7b9074f472d6c1c
- MD5 088a2489fd50dc6528ff7e58c7586bc3
- SHA1 8608c2e1c589a4265d1f094e4e4223c4987ef75a
- SHA512 d09d3ec5a8775a8348ac741e0c9bd2769b578c367cb48b4eaf3dcefba6f67382a3a275ce1bbdd92787cab8164c0a6eea85ee872e6092faef2f90d5175eb90b4b
- SSDEEP 6144:8mcD66RE5JGmrpQsK3RD2u270jupCJsCxCzIzdT:NcD667Z2zkPaCxN
- MD5 SHA1 SHA512 SSDEEP