Analysis
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max time kernel
145s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220113 -
submitted
28/02/2022, 03:13 UTC
General
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Target
b1af67bcfaa99c369960580f86e7c1a42fc473dd85a0a4d3b1c989a6bc138a42.exe
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Size
269KB
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MD5
e640bdb76d7b30cb9ca9250d5b6631e3
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SHA1
0540792efa9eb7ecdcfce3340dc0be1204c1e8c8
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SHA256
b1af67bcfaa99c369960580f86e7c1a42fc473dd85a0a4d3b1c989a6bc138a42
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SHA512
0d9bbc8f82a212cbb92595f2d5e7e4e1bab00061286f04441dce4c383827e3d55a60afee4e1d52b2af4ded201c5c54c046a4065ca055cfa1448b807a4a4a2034
Score
10/10
Malware Config
Signatures
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SaintBot
Saint Bot is a malware dropper being used to deliver secondary payloads such as information stealers.
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SaintBot Payload 3 IoCs
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Suspicious use of NtCreateProcessExOtherParentProcess 2 IoCs
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suricata: ET MALWARE Saint Bot CnC Activity
suricata: ET MALWARE Saint Bot CnC Activity
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suricata: ET MALWARE Trojan Generic - POST To gate.php with no referer
suricata: ET MALWARE Trojan Generic - POST To gate.php with no referer
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Executes dropped EXE 1 IoCs
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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Drops startup file 2 IoCs
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Loads dropped DLL 2 IoCs
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Adds Run key to start application 2 TTPs 1 IoCs
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Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Maps connected drives based on registry 3 TTPs 6 IoCs
Disk information is often read in order to detect sandboxing environments.
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Drops file in System32 directory 1 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Program crash 2 IoCs
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Checks processor information in registry 2 TTPs 8 IoCs
Processor information is often read in order to detect sandboxing environments.
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Enumerates system info in registry 2 TTPs 4 IoCs
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Runs ping.exe 1 TTPs 1 IoCs
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Suspicious behavior: EnumeratesProcesses 4 IoCs
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Suspicious use of AdjustPrivilegeToken 2 IoCs
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Suspicious use of WriteProcessMemory 23 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\b1af67bcfaa99c369960580f86e7c1a42fc473dd85a0a4d3b1c989a6bc138a42.exe"C:\Users\Admin\AppData\Local\Temp\b1af67bcfaa99c369960580f86e7c1a42fc473dd85a0a4d3b1c989a6bc138a42.exe"1⤵
- Checks computer location settings
- Drops startup file
- Maps connected drives based on registry
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\27718.exe"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\27718.exe"2⤵
- Executes dropped EXE
- Drops startup file
- Loads dropped DLL
- Maps connected drives based on registry
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\EhStorAuthn.exe"C:\Windows\System32\EhStorAuthn.exe"3⤵
- Loads dropped DLL
- Adds Run key to start application
- Maps connected drives based on registry
- Drops file in System32 directory
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /create /sc minute /mo 5 /tn "Maintenance" /tr "C:\Users\%USERNAME%\AppData\Local\z_%USERNAME%\%USERNAME%.vbs" /F4⤵
- Creates scheduled task(s)
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3688 -s 6203⤵
- Program crash
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Roaming\del.bat2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\PING.EXEping localhost -n 33⤵
- Runs ping.exe
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C:\Windows\SysWOW64\cmd.execmd /c del "C:\Users\Admin\AppData\Roaming\del.bat"3⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2456 -s 11442⤵
- Program crash
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2456 -ip 24561⤵
- Suspicious use of NtCreateProcessExOtherParentProcess
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 3688 -ip 36881⤵
- Suspicious use of NtCreateProcessExOtherParentProcess
- Suspicious use of WriteProcessMemory
Network
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DNSupdate-0019992.ruRemote address:8.8.8.8:53Requestupdate-0019992.ruIN AResponseupdate-0019992.ruIN A194.67.71.18 -
POSThttp://update-0019992.ru/testcp1/gate.phpRemote address:194.67.71.18:80RequestPOST /testcp1/gate.php HTTP/1.1
Cache-Control: no-cache
Connection: Keep-Alive
Pragma: no-cache
Content-Type: application/x-www-form-urlencoded
Accept: text/plain
User-Agent: Mozilla/5.0 (Windows NT 5.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/45.0.2454.101 YaBrowser/15.10.2454.3865 Safari/537.36
Content-Length: 201
Host: update-0019992.ru
ResponseHTTP/1.1 404 Not Found
Server: nginx
Date: Mon, 28 Feb 2022 03:14:48 GMT
Content-Type: text/html
Transfer-Encoding: chunked
Connection: keep-alive
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DNS15.89.54.20.in-addr.arpaRemote address:8.8.8.8:53Request15.89.54.20.in-addr.arpaIN PTRResponse
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178.79.208.1:80 -
178.79.208.1:80
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194.67.71.18:80http://update-0019992.ru/testcp1/gate.phphttp
HTTP Request
POST http://update-0019992.ru/testcp1/gate.phpHTTP Response
404
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8.8.8.8:53update-0019992.rudns
DNS Request
update-0019992.ru
DNS Response
194.67.71.18
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8.8.8.8:5315.89.54.20.in-addr.arpadns
DNS Request
15.89.54.20.in-addr.arpa
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
24KB
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Filesize
48KB
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Filesize
36KB
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Filesize
24KB
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Filesize
24KB
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Filesize
24KB
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Filesize
48KB