Analysis Overview
SHA256
d5b2a38229346acf8eea0d20c4687f9f59627dcbf09c12d8ea5eb77e604653b6
Threat Level: Known bad
The file 81f70b54b7d3636313ab065145c42e5a was found to be: Known bad.
Malicious Activity Summary
Snake Keylogger
Snake Keylogger payload
Looks up external IP address via web service
Suspicious use of SetThreadContext
Unsigned PE
Program crash
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2024-01-30 08:31
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-01-30 08:31
Reported
2024-01-30 08:34
Platform
win7-20231215-en
Max time kernel
122s
Max time network
134s
Command Line
Signatures
Snake Keylogger
Snake Keylogger payload
| 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 |
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | checkip.dyndns.org | N/A | N/A |
| N/A | freegeoip.app | N/A | N/A |
| N/A | freegeoip.app | N/A | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2944 set thread context of 2520 | N/A | C:\Users\Admin\AppData\Local\Temp\81f70b54b7d3636313ab065145c42e5a.exe | C:\Users\Admin\AppData\Local\Temp\81f70b54b7d3636313ab065145c42e5a.exe |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\81f70b54b7d3636313ab065145c42e5a.exe |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\81f70b54b7d3636313ab065145c42e5a.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\81f70b54b7d3636313ab065145c42e5a.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\81f70b54b7d3636313ab065145c42e5a.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\81f70b54b7d3636313ab065145c42e5a.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\81f70b54b7d3636313ab065145c42e5a.exe
"C:\Users\Admin\AppData\Local\Temp\81f70b54b7d3636313ab065145c42e5a.exe"
C:\Users\Admin\AppData\Local\Temp\81f70b54b7d3636313ab065145c42e5a.exe
"{path}"
C:\Users\Admin\AppData\Local\Temp\81f70b54b7d3636313ab065145c42e5a.exe
"{path}"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2520 -s 1616
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | checkip.dyndns.org | udp |
| DE | 193.122.6.168:80 | checkip.dyndns.org | tcp |
| US | 8.8.8.8:53 | freegeoip.app | udp |
| US | 104.21.73.97:443 | freegeoip.app | tcp |
| US | 8.8.8.8:53 | ipbase.com | udp |
| US | 172.67.209.71:443 | ipbase.com | tcp |
Files
memory/2944-0-0x0000000000C90000-0x0000000000D24000-memory.dmp
memory/2944-1-0x0000000074D70000-0x000000007545E000-memory.dmp
memory/2944-2-0x0000000004C60000-0x0000000004CA0000-memory.dmp
memory/2944-3-0x00000000008F0000-0x00000000008F8000-memory.dmp
memory/2944-4-0x0000000074D70000-0x000000007545E000-memory.dmp
memory/2944-5-0x0000000004C60000-0x0000000004CA0000-memory.dmp
memory/2944-6-0x0000000005E10000-0x0000000005E8C000-memory.dmp
memory/2944-7-0x0000000000A20000-0x0000000000A54000-memory.dmp
memory/2520-8-0x0000000000400000-0x0000000000424000-memory.dmp
memory/2520-10-0x0000000000400000-0x0000000000424000-memory.dmp
memory/2520-12-0x0000000000400000-0x0000000000424000-memory.dmp
memory/2520-14-0x0000000000400000-0x0000000000424000-memory.dmp
memory/2520-18-0x0000000000400000-0x0000000000424000-memory.dmp
memory/2944-23-0x0000000074D70000-0x000000007545E000-memory.dmp
memory/2520-22-0x0000000000400000-0x0000000000424000-memory.dmp
memory/2520-24-0x0000000074D70000-0x000000007545E000-memory.dmp
memory/2520-20-0x0000000000400000-0x0000000000424000-memory.dmp
memory/2520-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2520-25-0x0000000004B20000-0x0000000004B60000-memory.dmp
memory/2520-26-0x0000000074D70000-0x000000007545E000-memory.dmp
memory/2520-27-0x0000000004B20000-0x0000000004B60000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-01-30 08:31
Reported
2024-01-30 08:34
Platform
win10v2004-20231222-en
Max time kernel
59s
Max time network
145s
Command Line
Signatures
Snake Keylogger
Snake Keylogger payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | checkip.dyndns.org | N/A | N/A |
| N/A | freegeoip.app | N/A | N/A |
| N/A | freegeoip.app | N/A | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4000 set thread context of 1448 | N/A | C:\Users\Admin\AppData\Local\Temp\81f70b54b7d3636313ab065145c42e5a.exe | C:\Users\Admin\AppData\Local\Temp\81f70b54b7d3636313ab065145c42e5a.exe |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\81f70b54b7d3636313ab065145c42e5a.exe |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\81f70b54b7d3636313ab065145c42e5a.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\81f70b54b7d3636313ab065145c42e5a.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\81f70b54b7d3636313ab065145c42e5a.exe
"C:\Users\Admin\AppData\Local\Temp\81f70b54b7d3636313ab065145c42e5a.exe"
C:\Users\Admin\AppData\Local\Temp\81f70b54b7d3636313ab065145c42e5a.exe
"{path}"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1448 -ip 1448
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1448 -s 1784
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 183.142.211.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 194.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 68.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | udp | |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | checkip.dyndns.org | udp |
| JP | 132.226.8.169:80 | checkip.dyndns.org | tcp |
| US | 8.8.8.8:53 | 169.8.226.132.in-addr.arpa | udp |
| US | 8.8.8.8:53 | freegeoip.app | udp |
| US | 104.21.73.97:443 | freegeoip.app | tcp |
| US | 8.8.8.8:53 | ipbase.com | udp |
| US | 104.21.85.189:443 | ipbase.com | tcp |
| US | 8.8.8.8:53 | 189.85.21.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.73.21.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 173.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 178.223.142.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 27.73.42.20.in-addr.arpa | udp |
Files
memory/4000-1-0x0000000074940000-0x00000000750F0000-memory.dmp
memory/4000-0-0x0000000000420000-0x00000000004B4000-memory.dmp
memory/4000-2-0x00000000052C0000-0x0000000005864000-memory.dmp
memory/4000-3-0x0000000004DB0000-0x0000000004E42000-memory.dmp
memory/4000-4-0x0000000004D30000-0x0000000004D40000-memory.dmp
memory/4000-5-0x0000000004D80000-0x0000000004D8A000-memory.dmp
memory/4000-6-0x00000000050F0000-0x00000000050F8000-memory.dmp
memory/4000-7-0x00000000060F0000-0x000000000618C000-memory.dmp
memory/4000-8-0x0000000074940000-0x00000000750F0000-memory.dmp
memory/4000-9-0x0000000004D30000-0x0000000004D40000-memory.dmp
memory/4000-10-0x00000000078D0000-0x000000000794C000-memory.dmp
memory/4000-11-0x00000000077B0000-0x00000000077E4000-memory.dmp
memory/1448-16-0x0000000074940000-0x00000000750F0000-memory.dmp
memory/1448-17-0x0000000005260000-0x0000000005270000-memory.dmp
memory/4000-15-0x0000000074940000-0x00000000750F0000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\81f70b54b7d3636313ab065145c42e5a.exe.log
| MD5 | 8ec831f3e3a3f77e4a7b9cd32b48384c |
| SHA1 | d83f09fd87c5bd86e045873c231c14836e76a05c |
| SHA256 | 7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982 |
| SHA512 | 26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3 |
memory/1448-12-0x0000000000400000-0x0000000000424000-memory.dmp
memory/1448-18-0x0000000074940000-0x00000000750F0000-memory.dmp