Analysis Overview
SHA256
9d15283240ff79899aeb0f2866c51b75d953e5c04a8069397734a3cb6aef87af
Threat Level: Known bad
The file The Summer Waifu.exe was found to be: Known bad.
Malicious Activity Summary
Mars Stealer
Executes dropped EXE
Checks computer location settings
Reads user/profile data of web browsers
Loads dropped DLL
Unsigned PE
Enumerates physical storage devices
Program crash
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-12-25 04:02
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-12-25 04:02
Reported
2023-12-25 04:04
Platform
win7-20231215-en
Max time kernel
72s
Max time network
76s
Command Line
Signatures
Mars Stealer
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Identities\CKTI.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\The Summer Waifu.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\The Summer Waifu.exe | N/A |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2456 wrote to memory of 2172 | N/A | C:\Users\Admin\AppData\Local\Temp\The Summer Waifu.exe | C:\Users\Admin\AppData\Roaming\Identities\CKTI.exe |
| PID 2456 wrote to memory of 2172 | N/A | C:\Users\Admin\AppData\Local\Temp\The Summer Waifu.exe | C:\Users\Admin\AppData\Roaming\Identities\CKTI.exe |
| PID 2456 wrote to memory of 2172 | N/A | C:\Users\Admin\AppData\Local\Temp\The Summer Waifu.exe | C:\Users\Admin\AppData\Roaming\Identities\CKTI.exe |
| PID 2456 wrote to memory of 2172 | N/A | C:\Users\Admin\AppData\Local\Temp\The Summer Waifu.exe | C:\Users\Admin\AppData\Roaming\Identities\CKTI.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\The Summer Waifu.exe
"C:\Users\Admin\AppData\Local\Temp\The Summer Waifu.exe"
C:\Users\Admin\AppData\Roaming\Identities\CKTI.exe
"C:\Users\Admin\AppData\Roaming\Identities\CKTI.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | moscow-post.com | udp |
| RU | 185.71.67.60:80 | moscow-post.com | tcp |
| RU | 185.71.67.60:80 | moscow-post.com | tcp |
| US | 8.8.8.8:53 | www.moscow-post.com | udp |
| RU | 185.71.67.60:80 | www.moscow-post.com | tcp |
| US | 8.8.8.8:53 | www.moscow-post.su | udp |
| RU | 185.71.67.60:80 | www.moscow-post.su | tcp |
Files
memory/2456-0-0x0000000001190000-0x0000000001204000-memory.dmp
memory/2456-1-0x0000000074D00000-0x00000000753EE000-memory.dmp
memory/2456-2-0x0000000004EA0000-0x0000000004EE0000-memory.dmp
C:\Users\Admin\AppData\Roaming\Identities\CKTI.exe
| MD5 | ccbede8d2869535347316a479f0b8095 |
| SHA1 | 1dd0e7574972260c77ca90638950d83c7b00d8f2 |
| SHA256 | afae663cab910a67e7fb519797ff385926b77ee59fa0e96e1853318146d2e179 |
| SHA512 | 9a0de846ced51215948a16300aec8aeb7cf0ef5c0005a3cb661fc27e85b5d25b3b3278e7c91fbedc9d0a1ec686fdcd8ff07f35b39931a7c28c8b2139dabf4456 |
memory/2456-14-0x0000000000C50000-0x0000000000C8D000-memory.dmp
memory/2456-15-0x0000000074D00000-0x00000000753EE000-memory.dmp
memory/2172-13-0x0000000000400000-0x000000000043D000-memory.dmp
memory/2456-12-0x0000000000C50000-0x0000000000C8D000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-12-25 04:02
Reported
2023-12-25 04:04
Platform
win10v2004-20231222-en
Max time kernel
92s
Max time network
150s
Command Line
Signatures
Mars Stealer
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\The Summer Waifu.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Adobe\U54.exe | N/A |
Reads user/profile data of web browsers
Enumerates physical storage devices
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Roaming\Adobe\U54.exe |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4956 wrote to memory of 2248 | N/A | C:\Users\Admin\AppData\Local\Temp\The Summer Waifu.exe | C:\Users\Admin\AppData\Roaming\Adobe\U54.exe |
| PID 4956 wrote to memory of 2248 | N/A | C:\Users\Admin\AppData\Local\Temp\The Summer Waifu.exe | C:\Users\Admin\AppData\Roaming\Adobe\U54.exe |
| PID 4956 wrote to memory of 2248 | N/A | C:\Users\Admin\AppData\Local\Temp\The Summer Waifu.exe | C:\Users\Admin\AppData\Roaming\Adobe\U54.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\The Summer Waifu.exe
"C:\Users\Admin\AppData\Local\Temp\The Summer Waifu.exe"
C:\Users\Admin\AppData\Roaming\Adobe\U54.exe
"C:\Users\Admin\AppData\Roaming\Adobe\U54.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 2248 -ip 2248
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2248 -s 1216
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 2.181.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 180.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | moscow-post.com | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | moscow-post.com | udp |
| RU | 185.71.67.60:80 | moscow-post.com | tcp |
| US | 8.8.8.8:53 | www.moscow-post.com | udp |
| RU | 185.71.67.60:80 | www.moscow-post.com | tcp |
| US | 8.8.8.8:53 | 60.67.71.185.in-addr.arpa | udp |
| US | 8.8.8.8:53 | www.moscow-post.su | udp |
| RU | 185.71.67.60:80 | www.moscow-post.su | tcp |
| US | 8.8.8.8:53 | 194.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 31.243.111.52.in-addr.arpa | udp |
Files
memory/4956-0-0x0000000000390000-0x0000000000404000-memory.dmp
memory/4956-1-0x0000000074B40000-0x00000000752F0000-memory.dmp
memory/4956-2-0x0000000004F40000-0x0000000004F50000-memory.dmp
C:\Users\Admin\AppData\Roaming\Adobe\U54.exe
| MD5 | ccbede8d2869535347316a479f0b8095 |
| SHA1 | 1dd0e7574972260c77ca90638950d83c7b00d8f2 |
| SHA256 | afae663cab910a67e7fb519797ff385926b77ee59fa0e96e1853318146d2e179 |
| SHA512 | 9a0de846ced51215948a16300aec8aeb7cf0ef5c0005a3cb661fc27e85b5d25b3b3278e7c91fbedc9d0a1ec686fdcd8ff07f35b39931a7c28c8b2139dabf4456 |
memory/2248-12-0x0000000000400000-0x000000000043D000-memory.dmp
memory/4956-13-0x0000000074B40000-0x00000000752F0000-memory.dmp
memory/2248-15-0x0000000000400000-0x000000000043D000-memory.dmp