Analysis Overview
SHA256
608c5496db6dd79f0383adb6109af52663289276bc9b7973b881e1d858d4702e
Threat Level: Likely malicious
The file 608c5496db6dd79f0383adb6109af52663289276bc9b7973b881e1d858d4702e was found to be: Likely malicious.
Malicious Activity Summary
Drops file in Drivers directory
Deletes itself
Loads dropped DLL
Checks computer location settings
VMProtect packed file
Drops file in System32 directory
Suspicious use of SetThreadContext
Unsigned PE
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-12-08 10:24
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-12-08 10:24
Reported
2023-12-08 10:26
Platform
win7-20231023-en
Max time kernel
118s
Max time network
122s
Command Line
Signatures
Drops file in Drivers directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\system32\drivers\kkctPtna.sys | C:\Windows\SysWOW64\dllhost.exe | N/A |
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\cmd.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\dllhost.exe | N/A |
VMProtect packed file
| 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 |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\s2pg.dll | C:\Windows\SysWOW64\dllhost.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2228 set thread context of 2864 | N/A | C:\Users\Admin\AppData\Local\Temp\608c5496db6dd79f0383adb6109af52663289276bc9b7973b881e1d858d4702e.exe | C:\Windows\SysWOW64\dllhost.exe |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\dllhost.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\dllhost.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\dllhost.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\dllhost.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\dllhost.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\dllhost.exe | N/A |
| N/A | N/A | C:\Windows\system32\services.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\608c5496db6dd79f0383adb6109af52663289276bc9b7973b881e1d858d4702e.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\dllhost.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\608c5496db6dd79f0383adb6109af52663289276bc9b7973b881e1d858d4702e.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\system32\services.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\dllhost.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\system32\services.exe
C:\Windows\system32\services.exe
C:\Users\Admin\AppData\Local\Temp\608c5496db6dd79f0383adb6109af52663289276bc9b7973b881e1d858d4702e.exe
"C:\Users\Admin\AppData\Local\Temp\608c5496db6dd79f0383adb6109af52663289276bc9b7973b881e1d858d4702e.exe"
C:\Windows\SysWOW64\dllhost.exe
C:\Windows\system32\dllhost.exe
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\608C54~1.EXE > nul
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | dssp.toolsabc.cn | udp |
| N/A | 127.0.0.1:49212 | tcp | |
| N/A | 127.0.0.1:49214 | tcp | |
| US | 8.8.8.8:53 | a.eastfn.com | udp |
| US | 166.88.101.146:443 | a.eastfn.com | tcp |
Files
memory/2864-0-0x0000000000170000-0x0000000000362000-memory.dmp
memory/2864-2-0x0000000000170000-0x0000000000362000-memory.dmp
\Windows\SysWOW64\s2pg.dll
| MD5 | b2ee390c0b9947b86ede4deb825710a4 |
| SHA1 | 267ca058a46609439560b4742b26e6b4b7d72a6b |
| SHA256 | 64a2135124c4ef3d47efe2ca1936dd9c6a99f5d6fb9aa9365ee26d43a2fd4aa0 |
| SHA512 | a81e1813bf0cb5eb3bf2ef32c98304e35d65242dab567c803166d123b6cc34639f598698b198ba85ee55b42c0ab439554340466f69eb5fcfd180bf454c12802b |
memory/2864-7-0x0000000002340000-0x00000000026CB000-memory.dmp
memory/468-8-0x00000000001A0000-0x00000000001C6000-memory.dmp
memory/468-11-0x0000000000A40000-0x0000000000AC4000-memory.dmp
memory/468-10-0x00000000001A0000-0x00000000001C6000-memory.dmp
memory/468-14-0x0000000000A40000-0x0000000000AC4000-memory.dmp
memory/468-13-0x0000000000A40000-0x0000000000AC4000-memory.dmp
memory/468-18-0x0000000000A40000-0x0000000000AC4000-memory.dmp
memory/468-20-0x00000000FF9E0000-0x00000000FF9F0000-memory.dmp
memory/468-21-0x00000000FF9E0000-0x00000000FF9F0000-memory.dmp
memory/468-22-0x0000000000A40000-0x0000000000AC4000-memory.dmp
memory/2864-28-0x0000000002340000-0x00000000026CB000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-12-08 10:24
Reported
2023-12-08 10:26
Platform
win10v2004-20231127-en
Max time kernel
148s
Max time network
147s
Command Line
Signatures
Drops file in Drivers directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\system32\drivers\ktkigeGt.sys | C:\Windows\SysWOW64\svchost.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3635043082-2972811465-3176142135-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\608c5496db6dd79f0383adb6109af52663289276bc9b7973b881e1d858d4702e.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\svchost.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\s4q8.dll | C:\Windows\SysWOW64\svchost.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 3492 set thread context of 4936 | N/A | C:\Users\Admin\AppData\Local\Temp\608c5496db6dd79f0383adb6109af52663289276bc9b7973b881e1d858d4702e.exe | C:\Windows\SysWOW64\svchost.exe |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\svchost.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\svchost.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\svchost.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\svchost.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\svchost.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\svchost.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\svchost.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\svchost.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\svchost.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\svchost.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\svchost.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\svchost.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\608c5496db6dd79f0383adb6109af52663289276bc9b7973b881e1d858d4702e.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\svchost.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\svchost.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\608c5496db6dd79f0383adb6109af52663289276bc9b7973b881e1d858d4702e.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\608c5496db6dd79f0383adb6109af52663289276bc9b7973b881e1d858d4702e.exe
"C:\Users\Admin\AppData\Local\Temp\608c5496db6dd79f0383adb6109af52663289276bc9b7973b881e1d858d4702e.exe"
C:\Windows\SysWOW64\svchost.exe
C:\Windows\system32\svchost.exe
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\608C54~1.EXE > nul
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 107.175.53.84.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.1.85.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | dssp.toolsabc.cn | udp |
| US | 8.8.8.8:53 | a.eastfn.com | udp |
| US | 166.88.101.146:443 | a.eastfn.com | tcp |
| N/A | 127.0.0.1:52380 | tcp | |
| N/A | 127.0.0.1:52382 | tcp | |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 8.8.8.8:53 | 2.136.104.51.in-addr.arpa | udp |
| US | 204.79.197.200:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 138.201.86.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 208.194.73.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 146.78.124.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | dssp.toolsabc.cn | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 122.175.53.84.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 200.201.50.20.in-addr.arpa | udp |
Files
memory/4936-0-0x0000000000E00000-0x0000000000FF2000-memory.dmp
memory/4936-2-0x00000000018E0000-0x0000000001C6B000-memory.dmp
C:\Windows\SysWOW64\s4q8.dll
| MD5 | b2ee390c0b9947b86ede4deb825710a4 |
| SHA1 | 267ca058a46609439560b4742b26e6b4b7d72a6b |
| SHA256 | 64a2135124c4ef3d47efe2ca1936dd9c6a99f5d6fb9aa9365ee26d43a2fd4aa0 |
| SHA512 | a81e1813bf0cb5eb3bf2ef32c98304e35d65242dab567c803166d123b6cc34639f598698b198ba85ee55b42c0ab439554340466f69eb5fcfd180bf454c12802b |
memory/4936-10-0x00000000018E0000-0x0000000001C6B000-memory.dmp
memory/4936-12-0x00000000018E0000-0x0000000001C6B000-memory.dmp