Analysis Overview
SHA256
b4d092bdd58610ec77ef6713fe7559c39a52f77d37f8a3c5044e1b95e98f969e
Threat Level: Known bad
The file Bat_To_Exe_Converter.exe was found to be: Known bad.
Malicious Activity Summary
Vanillarat family
VanillaRat
Vanilla Rat payload
Vanilla Rat payload
Executes dropped EXE
Checks computer location settings
Loads dropped DLL
Adds Run key to start application
Legitimate hosting services abused for malware hosting/C2
Unsigned PE
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2023-07-16 13:49
Signatures
Vanilla Rat payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Vanillarat family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-07-16 13:49
Reported
2023-07-16 13:51
Platform
win7-20230712-en
Max time kernel
119s
Max time network
142s
Command Line
Signatures
VanillaRat
Vanilla Rat 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 |
| 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 |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\svchost.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\svchost.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Bat_To_Exe_Converter.exe | N/A |
| N/A | N/A | C:\Users\Admin\svchost.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3408354897-1169622894-3874090110-1000\Software\Microsoft\Windows\CurrentVersion\Run\svchost = "C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe" | C:\Users\Admin\AppData\Roaming\svchost.exe | N/A |
Legitimate hosting services abused for malware hosting/C2
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\Bat_To_Exe_Converter.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\svchost.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2908 wrote to memory of 2932 | N/A | C:\Users\Admin\AppData\Local\Temp\Bat_To_Exe_Converter.exe | C:\Users\Admin\svchost.exe |
| PID 2908 wrote to memory of 2932 | N/A | C:\Users\Admin\AppData\Local\Temp\Bat_To_Exe_Converter.exe | C:\Users\Admin\svchost.exe |
| PID 2908 wrote to memory of 2932 | N/A | C:\Users\Admin\AppData\Local\Temp\Bat_To_Exe_Converter.exe | C:\Users\Admin\svchost.exe |
| PID 2908 wrote to memory of 2932 | N/A | C:\Users\Admin\AppData\Local\Temp\Bat_To_Exe_Converter.exe | C:\Users\Admin\svchost.exe |
| PID 2932 wrote to memory of 2996 | N/A | C:\Users\Admin\svchost.exe | C:\Users\Admin\AppData\Roaming\svchost.exe |
| PID 2932 wrote to memory of 2996 | N/A | C:\Users\Admin\svchost.exe | C:\Users\Admin\AppData\Roaming\svchost.exe |
| PID 2932 wrote to memory of 2996 | N/A | C:\Users\Admin\svchost.exe | C:\Users\Admin\AppData\Roaming\svchost.exe |
| PID 2932 wrote to memory of 2996 | N/A | C:\Users\Admin\svchost.exe | C:\Users\Admin\AppData\Roaming\svchost.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\Bat_To_Exe_Converter.exe
"C:\Users\Admin\AppData\Local\Temp\Bat_To_Exe_Converter.exe"
C:\Users\Admin\svchost.exe
"C:\Users\Admin\svchost.exe"
C:\Users\Admin\AppData\Roaming\svchost.exe
"C:\Users\Admin\AppData\Roaming\svchost.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 4.tcp.eu.ngrok.io | udp |
| DE | 3.121.139.82:19840 | 4.tcp.eu.ngrok.io | tcp |
| DE | 3.121.139.82:19840 | 4.tcp.eu.ngrok.io | tcp |
| DE | 3.121.139.82:19840 | 4.tcp.eu.ngrok.io | tcp |
| DE | 3.121.139.82:19840 | 4.tcp.eu.ngrok.io | tcp |
| DE | 3.121.139.82:19840 | 4.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 4.tcp.eu.ngrok.io | udp |
| DE | 3.121.139.82:19840 | 4.tcp.eu.ngrok.io | tcp |
| DE | 3.121.139.82:19840 | 4.tcp.eu.ngrok.io | tcp |
Files
memory/2908-53-0x0000000001050000-0x000000000109A000-memory.dmp
memory/2908-54-0x0000000074580000-0x0000000074C6E000-memory.dmp
\Users\Admin\svchost.exe
| MD5 | 2e5422412d23d9f1c1dff78719447728 |
| SHA1 | 00440171a8963d4454aa8e63fb3a25fd85585091 |
| SHA256 | 3f0ce66700b7011c8fa2e8a1709c43fb79882721afa0f5e1bbeb8a5c29d81d03 |
| SHA512 | 77b31e4a05b73495b4ca8698b046bef8cdec82845d316b304679b2521529be38d1dd0cd4e471cf04097ce734f588312214687ec0c8582a5ff5676b68b4e61521 |
C:\Users\Admin\svchost.exe
| MD5 | 2e5422412d23d9f1c1dff78719447728 |
| SHA1 | 00440171a8963d4454aa8e63fb3a25fd85585091 |
| SHA256 | 3f0ce66700b7011c8fa2e8a1709c43fb79882721afa0f5e1bbeb8a5c29d81d03 |
| SHA512 | 77b31e4a05b73495b4ca8698b046bef8cdec82845d316b304679b2521529be38d1dd0cd4e471cf04097ce734f588312214687ec0c8582a5ff5676b68b4e61521 |
C:\Users\Admin\svchost.exe
| MD5 | 2e5422412d23d9f1c1dff78719447728 |
| SHA1 | 00440171a8963d4454aa8e63fb3a25fd85585091 |
| SHA256 | 3f0ce66700b7011c8fa2e8a1709c43fb79882721afa0f5e1bbeb8a5c29d81d03 |
| SHA512 | 77b31e4a05b73495b4ca8698b046bef8cdec82845d316b304679b2521529be38d1dd0cd4e471cf04097ce734f588312214687ec0c8582a5ff5676b68b4e61521 |
C:\Users\Admin\svchost.exe
| MD5 | 2e5422412d23d9f1c1dff78719447728 |
| SHA1 | 00440171a8963d4454aa8e63fb3a25fd85585091 |
| SHA256 | 3f0ce66700b7011c8fa2e8a1709c43fb79882721afa0f5e1bbeb8a5c29d81d03 |
| SHA512 | 77b31e4a05b73495b4ca8698b046bef8cdec82845d316b304679b2521529be38d1dd0cd4e471cf04097ce734f588312214687ec0c8582a5ff5676b68b4e61521 |
memory/2932-63-0x00000000009B0000-0x00000000009D2000-memory.dmp
memory/2932-64-0x0000000074580000-0x0000000074C6E000-memory.dmp
memory/2932-65-0x0000000004D80000-0x0000000004DC0000-memory.dmp
memory/2908-66-0x0000000074580000-0x0000000074C6E000-memory.dmp
\Users\Admin\AppData\Roaming\svchost.exe
| MD5 | 2e5422412d23d9f1c1dff78719447728 |
| SHA1 | 00440171a8963d4454aa8e63fb3a25fd85585091 |
| SHA256 | 3f0ce66700b7011c8fa2e8a1709c43fb79882721afa0f5e1bbeb8a5c29d81d03 |
| SHA512 | 77b31e4a05b73495b4ca8698b046bef8cdec82845d316b304679b2521529be38d1dd0cd4e471cf04097ce734f588312214687ec0c8582a5ff5676b68b4e61521 |
C:\Users\Admin\AppData\Roaming\svchost.exe
| MD5 | 2e5422412d23d9f1c1dff78719447728 |
| SHA1 | 00440171a8963d4454aa8e63fb3a25fd85585091 |
| SHA256 | 3f0ce66700b7011c8fa2e8a1709c43fb79882721afa0f5e1bbeb8a5c29d81d03 |
| SHA512 | 77b31e4a05b73495b4ca8698b046bef8cdec82845d316b304679b2521529be38d1dd0cd4e471cf04097ce734f588312214687ec0c8582a5ff5676b68b4e61521 |
memory/2996-74-0x00000000008E0000-0x0000000000902000-memory.dmp
C:\Users\Admin\AppData\Roaming\svchost.exe
| MD5 | 2e5422412d23d9f1c1dff78719447728 |
| SHA1 | 00440171a8963d4454aa8e63fb3a25fd85585091 |
| SHA256 | 3f0ce66700b7011c8fa2e8a1709c43fb79882721afa0f5e1bbeb8a5c29d81d03 |
| SHA512 | 77b31e4a05b73495b4ca8698b046bef8cdec82845d316b304679b2521529be38d1dd0cd4e471cf04097ce734f588312214687ec0c8582a5ff5676b68b4e61521 |
memory/2996-76-0x0000000074580000-0x0000000074C6E000-memory.dmp
memory/2932-75-0x0000000074580000-0x0000000074C6E000-memory.dmp
memory/2996-77-0x0000000004E00000-0x0000000004E40000-memory.dmp
memory/2996-78-0x0000000074580000-0x0000000074C6E000-memory.dmp
memory/2996-79-0x0000000004E00000-0x0000000004E40000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-07-16 13:49
Reported
2023-07-16 13:51
Platform
win10v2004-20230703-en
Max time kernel
144s
Max time network
147s
Command Line
Signatures
VanillaRat
Vanilla Rat 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 |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\Bat_To_Exe_Converter.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\svchost.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\svchost.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\svchost.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\svchost = "C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe" | C:\Users\Admin\AppData\Roaming\svchost.exe | N/A |
Legitimate hosting services abused for malware hosting/C2
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\Bat_To_Exe_Converter.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\svchost.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 220 wrote to memory of 1992 | N/A | C:\Users\Admin\AppData\Local\Temp\Bat_To_Exe_Converter.exe | C:\Users\Admin\svchost.exe |
| PID 220 wrote to memory of 1992 | N/A | C:\Users\Admin\AppData\Local\Temp\Bat_To_Exe_Converter.exe | C:\Users\Admin\svchost.exe |
| PID 220 wrote to memory of 1992 | N/A | C:\Users\Admin\AppData\Local\Temp\Bat_To_Exe_Converter.exe | C:\Users\Admin\svchost.exe |
| PID 1992 wrote to memory of 1332 | N/A | C:\Users\Admin\svchost.exe | C:\Users\Admin\AppData\Roaming\svchost.exe |
| PID 1992 wrote to memory of 1332 | N/A | C:\Users\Admin\svchost.exe | C:\Users\Admin\AppData\Roaming\svchost.exe |
| PID 1992 wrote to memory of 1332 | N/A | C:\Users\Admin\svchost.exe | C:\Users\Admin\AppData\Roaming\svchost.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\Bat_To_Exe_Converter.exe
"C:\Users\Admin\AppData\Local\Temp\Bat_To_Exe_Converter.exe"
C:\Users\Admin\svchost.exe
"C:\Users\Admin\svchost.exe"
C:\Users\Admin\AppData\Roaming\svchost.exe
"C:\Users\Admin\AppData\Roaming\svchost.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 2.136.104.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 4.tcp.eu.ngrok.io | udp |
| DE | 3.121.139.82:19840 | 4.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 82.139.121.3.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 208.194.73.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| DE | 3.121.139.82:19840 | 4.tcp.eu.ngrok.io | tcp |
| DE | 3.121.139.82:19840 | 4.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 57.169.31.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 1.77.109.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 4.tcp.eu.ngrok.io | udp |
| DE | 35.158.159.254:19840 | 4.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 254.159.158.35.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 216.74.101.95.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.143.182.52.in-addr.arpa | udp |
Files
memory/220-133-0x00000000000D0000-0x000000000011A000-memory.dmp
memory/220-134-0x0000000075140000-0x00000000758F0000-memory.dmp
memory/220-135-0x0000000004A00000-0x0000000004A9C000-memory.dmp
C:\Users\Admin\svchost.exe
| MD5 | 2e5422412d23d9f1c1dff78719447728 |
| SHA1 | 00440171a8963d4454aa8e63fb3a25fd85585091 |
| SHA256 | 3f0ce66700b7011c8fa2e8a1709c43fb79882721afa0f5e1bbeb8a5c29d81d03 |
| SHA512 | 77b31e4a05b73495b4ca8698b046bef8cdec82845d316b304679b2521529be38d1dd0cd4e471cf04097ce734f588312214687ec0c8582a5ff5676b68b4e61521 |
C:\Users\Admin\svchost.exe
| MD5 | 2e5422412d23d9f1c1dff78719447728 |
| SHA1 | 00440171a8963d4454aa8e63fb3a25fd85585091 |
| SHA256 | 3f0ce66700b7011c8fa2e8a1709c43fb79882721afa0f5e1bbeb8a5c29d81d03 |
| SHA512 | 77b31e4a05b73495b4ca8698b046bef8cdec82845d316b304679b2521529be38d1dd0cd4e471cf04097ce734f588312214687ec0c8582a5ff5676b68b4e61521 |
C:\Users\Admin\svchost.exe
| MD5 | 2e5422412d23d9f1c1dff78719447728 |
| SHA1 | 00440171a8963d4454aa8e63fb3a25fd85585091 |
| SHA256 | 3f0ce66700b7011c8fa2e8a1709c43fb79882721afa0f5e1bbeb8a5c29d81d03 |
| SHA512 | 77b31e4a05b73495b4ca8698b046bef8cdec82845d316b304679b2521529be38d1dd0cd4e471cf04097ce734f588312214687ec0c8582a5ff5676b68b4e61521 |
memory/1992-167-0x0000000000680000-0x00000000006A2000-memory.dmp
memory/1992-168-0x0000000075140000-0x00000000758F0000-memory.dmp
memory/1992-169-0x0000000005BB0000-0x0000000006154000-memory.dmp
memory/220-170-0x0000000075140000-0x00000000758F0000-memory.dmp
memory/1992-171-0x00000000056A0000-0x0000000005732000-memory.dmp
memory/1992-172-0x0000000005740000-0x000000000574A000-memory.dmp
C:\Users\Admin\AppData\Roaming\svchost.exe
| MD5 | 2e5422412d23d9f1c1dff78719447728 |
| SHA1 | 00440171a8963d4454aa8e63fb3a25fd85585091 |
| SHA256 | 3f0ce66700b7011c8fa2e8a1709c43fb79882721afa0f5e1bbeb8a5c29d81d03 |
| SHA512 | 77b31e4a05b73495b4ca8698b046bef8cdec82845d316b304679b2521529be38d1dd0cd4e471cf04097ce734f588312214687ec0c8582a5ff5676b68b4e61521 |
C:\Users\Admin\AppData\Roaming\svchost.exe
| MD5 | 2e5422412d23d9f1c1dff78719447728 |
| SHA1 | 00440171a8963d4454aa8e63fb3a25fd85585091 |
| SHA256 | 3f0ce66700b7011c8fa2e8a1709c43fb79882721afa0f5e1bbeb8a5c29d81d03 |
| SHA512 | 77b31e4a05b73495b4ca8698b046bef8cdec82845d316b304679b2521529be38d1dd0cd4e471cf04097ce734f588312214687ec0c8582a5ff5676b68b4e61521 |
memory/1332-184-0x0000000075140000-0x00000000758F0000-memory.dmp
memory/1992-185-0x0000000075140000-0x00000000758F0000-memory.dmp
memory/1332-186-0x0000000009B10000-0x0000000009B76000-memory.dmp
memory/1332-187-0x0000000075140000-0x00000000758F0000-memory.dmp