Analysis Overview
SHA256
0a62648b58924d0434ab6d9951fc5d311a707f9bb34f4334b479dcd85684d550
Threat Level: Shows suspicious behavior
The file 0a62648b58924d0434ab6d9951fc5d311a707f9bb34f4334b479dcd85684d550 was found to be: Shows suspicious behavior.
Malicious Activity Summary
Executes dropped EXE
Loads dropped DLL
Adds Run key to start application
Drops file in System32 directory
Unsigned PE
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-07 18:27
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-07 18:27
Reported
2024-04-07 18:29
Platform
win10v2004-20240226-en
Max time kernel
149s
Max time network
150s
Command Line
Signatures
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Devistsc\dpnsentc.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\~5CF5.tmp | N/A |
| N/A | N/A | C:\Windows\SysWOW64\certcopy.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\extrstnm = "C:\\Users\\Admin\\AppData\\Roaming\\Devistsc\\dpnsentc.exe" | C:\Users\Admin\AppData\Local\Temp\0a62648b58924d0434ab6d9951fc5d311a707f9bb34f4334b479dcd85684d550.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\certcopy.exe | C:\Users\Admin\AppData\Local\Temp\0a62648b58924d0434ab6d9951fc5d311a707f9bb34f4334b479dcd85684d550.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\Devistsc\dpnsentc.exe | N/A |
| Token: SeShutdownPrivilege | N/A | C:\Windows\Explorer.EXE | N/A |
| Token: SeCreatePagefilePrivilege | N/A | C:\Windows\Explorer.EXE | N/A |
| Token: SeShutdownPrivilege | N/A | C:\Windows\Explorer.EXE | N/A |
| Token: SeCreatePagefilePrivilege | N/A | C:\Windows\Explorer.EXE | N/A |
Suspicious use of UnmapMainImage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Explorer.EXE | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3496 wrote to memory of 652 | N/A | C:\Users\Admin\AppData\Local\Temp\0a62648b58924d0434ab6d9951fc5d311a707f9bb34f4334b479dcd85684d550.exe | C:\Users\Admin\AppData\Roaming\Devistsc\dpnsentc.exe |
| PID 3496 wrote to memory of 652 | N/A | C:\Users\Admin\AppData\Local\Temp\0a62648b58924d0434ab6d9951fc5d311a707f9bb34f4334b479dcd85684d550.exe | C:\Users\Admin\AppData\Roaming\Devistsc\dpnsentc.exe |
| PID 3496 wrote to memory of 652 | N/A | C:\Users\Admin\AppData\Local\Temp\0a62648b58924d0434ab6d9951fc5d311a707f9bb34f4334b479dcd85684d550.exe | C:\Users\Admin\AppData\Roaming\Devistsc\dpnsentc.exe |
| PID 652 wrote to memory of 1508 | N/A | C:\Users\Admin\AppData\Roaming\Devistsc\dpnsentc.exe | C:\Users\Admin\AppData\Local\Temp\~5CF5.tmp |
| PID 652 wrote to memory of 1508 | N/A | C:\Users\Admin\AppData\Roaming\Devistsc\dpnsentc.exe | C:\Users\Admin\AppData\Local\Temp\~5CF5.tmp |
| PID 1508 wrote to memory of 3440 | N/A | C:\Users\Admin\AppData\Local\Temp\~5CF5.tmp | C:\Windows\Explorer.EXE |
Processes
C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
C:\Users\Admin\AppData\Local\Temp\0a62648b58924d0434ab6d9951fc5d311a707f9bb34f4334b479dcd85684d550.exe
"C:\Users\Admin\AppData\Local\Temp\0a62648b58924d0434ab6d9951fc5d311a707f9bb34f4334b479dcd85684d550.exe"
C:\Users\Admin\AppData\Roaming\Devistsc\dpnsentc.exe
"C:\Users\Admin\AppData\Roaming\Devistsc"
C:\Windows\SysWOW64\certcopy.exe
C:\Windows\SysWOW64\certcopy.exe -s
C:\Users\Admin\AppData\Local\Temp\~5CF5.tmp
3440 499208 652 1
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 20.231.121.79:80 | tcp | |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.236.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 215.143.182.52.in-addr.arpa | udp |
Files
memory/3496-0-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3496-1-0x0000000000510000-0x0000000000592000-memory.dmp
C:\Users\Admin\AppData\Roaming\Devistsc\dpnsentc.exe
| MD5 | 999f5c335c794be9018247e2d031dc7e |
| SHA1 | ca2e69b9de1e13e0c3eab23d8deca8e77cdc6053 |
| SHA256 | be312927d5a78b5cebde51d4f9fd7e19ce2e0538fe4518ef7ac5f1ff387e8829 |
| SHA512 | 65e292e4ad3abeac703a48358deeff080d8212c2c20b1390b37b820b89af1896a12765f6c280cf37e11f9293253e2e670c8f42b83aecb616643bd6cc8d8d69d8 |
C:\Users\Admin\AppData\Local\Temp\~5CF5.tmp
| MD5 | 86dc243576cf5c7445451af37631eea9 |
| SHA1 | 99a81c47c4c02f32c0ab456bfa23c306c7a09bf9 |
| SHA256 | 25d2a671e1b5b5b95697ac0234ce4d46e0d0894919521b54aabebd9daecf994a |
| SHA512 | c7310524f9b65f811146c1eb6ae944966351ac88a95fbc1ac422d8810730e5e212a7e28090ad758ea23c96ba38073e7fcf42460575e7f09dbc759a45c5d5a4a4 |
memory/652-12-0x0000000000400000-0x000000000047F000-memory.dmp
memory/652-17-0x0000000000650000-0x0000000000655000-memory.dmp
memory/3440-19-0x0000000008700000-0x0000000008706000-memory.dmp
memory/1640-21-0x0000000000480000-0x0000000000502000-memory.dmp
memory/3496-24-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3440-22-0x0000000008710000-0x000000000871D000-memory.dmp
memory/1640-20-0x0000000000400000-0x000000000047F000-memory.dmp
memory/652-16-0x0000000000560000-0x00000000005E2000-memory.dmp
memory/3440-15-0x0000000008FD0000-0x0000000009059000-memory.dmp
memory/3440-13-0x0000000008FD0000-0x0000000009059000-memory.dmp
memory/1640-26-0x0000000000480000-0x0000000000502000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-07 18:27
Reported
2024-04-07 18:29
Platform
win7-20240221-en
Max time kernel
150s
Max time network
123s
Command Line
Signatures
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\cmdkvr32\expl_ssp.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\~1786.tmp | N/A |
| N/A | N/A | C:\Windows\SysWOW64\bthufmon.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\0a62648b58924d0434ab6d9951fc5d311a707f9bb34f4334b479dcd85684d550.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\0a62648b58924d0434ab6d9951fc5d311a707f9bb34f4334b479dcd85684d550.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\cmdkvr32\expl_ssp.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Windows\CurrentVersion\Run\bthudt32 = "C:\\Users\\Admin\\AppData\\Roaming\\cmdkvr32\\expl_ssp.exe" | C:\Users\Admin\AppData\Local\Temp\0a62648b58924d0434ab6d9951fc5d311a707f9bb34f4334b479dcd85684d550.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\bthufmon.exe | C:\Users\Admin\AppData\Local\Temp\0a62648b58924d0434ab6d9951fc5d311a707f9bb34f4334b479dcd85684d550.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\cmdkvr32\expl_ssp.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
C:\Users\Admin\AppData\Local\Temp\0a62648b58924d0434ab6d9951fc5d311a707f9bb34f4334b479dcd85684d550.exe
"C:\Users\Admin\AppData\Local\Temp\0a62648b58924d0434ab6d9951fc5d311a707f9bb34f4334b479dcd85684d550.exe"
C:\Users\Admin\AppData\Roaming\cmdkvr32\expl_ssp.exe
"C:\Users\Admin\AppData\Roaming\cmdkvr32"
C:\Users\Admin\AppData\Local\Temp\~1786.tmp
1192 499208 1652 1
C:\Windows\SysWOW64\bthufmon.exe
C:\Windows\SysWOW64\bthufmon.exe -s
Network
Files
memory/1976-1-0x0000000000480000-0x0000000000502000-memory.dmp
memory/1976-0-0x0000000000400000-0x000000000047F000-memory.dmp
\Users\Admin\AppData\Roaming\cmdkvr32\expl_ssp.exe
| MD5 | af6de7d378fda1d2b662e5658a73ff93 |
| SHA1 | 344d17b8143d7737dde5e721c59a68e3bec373c5 |
| SHA256 | dea17efb6ec04cf4ea0f519573d761b49f3e5277b755050d67108fb1cd42cc10 |
| SHA512 | f61cabea8841ffa446799c979cc36b73a856522fa91f8f195b27d8ffec1e28cc34bed96f48df7eb810e07dec2654aec14a8b99bfb02b49c9be0e029350898c68 |
memory/1976-5-0x00000000084D0000-0x000000000854F000-memory.dmp
memory/1976-11-0x00000000084D0000-0x000000000854F000-memory.dmp
memory/1652-19-0x00000000002D0000-0x00000000002D5000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\~1786.tmp
| MD5 | 86dc243576cf5c7445451af37631eea9 |
| SHA1 | 99a81c47c4c02f32c0ab456bfa23c306c7a09bf9 |
| SHA256 | 25d2a671e1b5b5b95697ac0234ce4d46e0d0894919521b54aabebd9daecf994a |
| SHA512 | c7310524f9b65f811146c1eb6ae944966351ac88a95fbc1ac422d8810730e5e212a7e28090ad758ea23c96ba38073e7fcf42460575e7f09dbc759a45c5d5a4a4 |
memory/1192-21-0x0000000004550000-0x00000000045D9000-memory.dmp
memory/1192-20-0x0000000004550000-0x00000000045D9000-memory.dmp
memory/1652-15-0x0000000000220000-0x00000000002A2000-memory.dmp
memory/1192-22-0x0000000004550000-0x00000000045D9000-memory.dmp
memory/2052-29-0x0000000000400000-0x000000000047F000-memory.dmp
memory/1192-26-0x0000000002FD0000-0x0000000002FDD000-memory.dmp
memory/1192-25-0x0000000002E60000-0x0000000002E66000-memory.dmp
memory/1976-34-0x0000000000400000-0x000000000047F000-memory.dmp
memory/1652-32-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2052-30-0x0000000002E60000-0x0000000002E66000-memory.dmp
memory/2052-36-0x0000000002E60000-0x0000000002E66000-memory.dmp