Analysis Overview
SHA256
f98b2fefbfa54e17d684f60629172f5f160259a6041b671f423eefbf0e51f949
Threat Level: Known bad
The file NEAS.f98b2fefbfa54e17d684f60629172f5f160259a6041b671f423eefbf0e51f949exe_JC.exe was found to be: Known bad.
Malicious Activity Summary
Formbook
Formbook payload
Checks computer location settings
Suspicious use of SetThreadContext
Unsigned PE
Enumerates physical storage devices
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-10-23 19:35
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-10-23 19:35
Reported
2023-10-23 19:40
Platform
win7-20231023-en
Max time kernel
122s
Max time network
128s
Command Line
Signatures
Formbook
Formbook payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1264 set thread context of 2564 | N/A | C:\Users\Admin\AppData\Local\Temp\NEAS.f98b2fefbfa54e17d684f60629172f5f160259a6041b671f423eefbf0e51f949exe_JC.exe | C:\Users\Admin\AppData\Local\Temp\NEAS.f98b2fefbfa54e17d684f60629172f5f160259a6041b671f423eefbf0e51f949exe_JC.exe |
Enumerates physical storage devices
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\NEAS.f98b2fefbfa54e17d684f60629172f5f160259a6041b671f423eefbf0e51f949exe_JC.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\NEAS.f98b2fefbfa54e17d684f60629172f5f160259a6041b671f423eefbf0e51f949exe_JC.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.f98b2fefbfa54e17d684f60629172f5f160259a6041b671f423eefbf0e51f949exe_JC.exe"
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\Ruwtgxl.exe"
C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\Ruwtgxl" /XML "C:\Users\Admin\AppData\Local\Temp\tmp954.tmp"
C:\Users\Admin\AppData\Local\Temp\NEAS.f98b2fefbfa54e17d684f60629172f5f160259a6041b671f423eefbf0e51f949exe_JC.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.f98b2fefbfa54e17d684f60629172f5f160259a6041b671f423eefbf0e51f949exe_JC.exe"
Network
Files
memory/1264-0-0x0000000001160000-0x0000000001204000-memory.dmp
memory/1264-1-0x0000000074DA0000-0x000000007548E000-memory.dmp
memory/1264-2-0x0000000000430000-0x0000000000470000-memory.dmp
memory/1264-3-0x0000000000470000-0x0000000000488000-memory.dmp
memory/1264-4-0x0000000074DA0000-0x000000007548E000-memory.dmp
memory/1264-5-0x0000000000430000-0x0000000000470000-memory.dmp
memory/1264-6-0x00000000003D0000-0x00000000003E0000-memory.dmp
memory/1264-7-0x0000000004880000-0x00000000048EE000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmp954.tmp
| MD5 | 7a127e68830078d9c2b9490bb1957762 |
| SHA1 | 3bf4dedec481ca06df8d66192f1a45659f95135a |
| SHA256 | cb03dfc141181516ef76049eba71f5819f4ec50f8e63c4b4990994b81f782d98 |
| SHA512 | 892753087e0fc9e9c19115dd305814ed1df81fd8bea218afe18287e4cee194da8b13a63bc0e6a55003d8a7f24a4e171091650fb6ae5b8cd40241e94a97fcc9b3 |
memory/2564-15-0x0000000000400000-0x000000000042F000-memory.dmp
memory/2564-16-0x0000000000400000-0x000000000042F000-memory.dmp
memory/2564-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2564-19-0x0000000000400000-0x000000000042F000-memory.dmp
memory/1264-20-0x0000000074DA0000-0x000000007548E000-memory.dmp
memory/2564-21-0x0000000000700000-0x0000000000A03000-memory.dmp
memory/2912-22-0x000000006F170000-0x000000006F71B000-memory.dmp
memory/2912-23-0x000000006F170000-0x000000006F71B000-memory.dmp
memory/2912-24-0x0000000002350000-0x0000000002390000-memory.dmp
memory/2912-25-0x0000000002350000-0x0000000002390000-memory.dmp
memory/2912-26-0x000000006F170000-0x000000006F71B000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-10-23 19:35
Reported
2023-10-23 19:39
Platform
win10v2004-20231020-en
Max time kernel
141s
Max time network
157s
Command Line
Signatures
Formbook
Formbook payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3350690463-3549324357-1323838019-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\NEAS.f98b2fefbfa54e17d684f60629172f5f160259a6041b671f423eefbf0e51f949exe_JC.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1744 set thread context of 4492 | N/A | C:\Users\Admin\AppData\Local\Temp\NEAS.f98b2fefbfa54e17d684f60629172f5f160259a6041b671f423eefbf0e51f949exe_JC.exe | C:\Users\Admin\AppData\Local\Temp\NEAS.f98b2fefbfa54e17d684f60629172f5f160259a6041b671f423eefbf0e51f949exe_JC.exe |
Enumerates physical storage devices
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\NEAS.f98b2fefbfa54e17d684f60629172f5f160259a6041b671f423eefbf0e51f949exe_JC.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\NEAS.f98b2fefbfa54e17d684f60629172f5f160259a6041b671f423eefbf0e51f949exe_JC.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.f98b2fefbfa54e17d684f60629172f5f160259a6041b671f423eefbf0e51f949exe_JC.exe"
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\Ruwtgxl.exe"
C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\Ruwtgxl" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDC80.tmp"
C:\Users\Admin\AppData\Local\Temp\NEAS.f98b2fefbfa54e17d684f60629172f5f160259a6041b671f423eefbf0e51f949exe_JC.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.f98b2fefbfa54e17d684f60629172f5f160259a6041b671f423eefbf0e51f949exe_JC.exe"
C:\Users\Admin\AppData\Local\Temp\NEAS.f98b2fefbfa54e17d684f60629172f5f160259a6041b671f423eefbf0e51f949exe_JC.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.f98b2fefbfa54e17d684f60629172f5f160259a6041b671f423eefbf0e51f949exe_JC.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 1.208.79.178.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 160.50.123.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 90.16.208.104.in-addr.arpa | udp |
Files
memory/1744-0-0x0000000074520000-0x0000000074CD0000-memory.dmp
memory/1744-1-0x0000000000DF0000-0x0000000000E94000-memory.dmp
memory/1744-2-0x0000000005D20000-0x00000000062C4000-memory.dmp
memory/1744-3-0x0000000005870000-0x0000000005902000-memory.dmp
memory/1744-4-0x0000000005810000-0x0000000005820000-memory.dmp
memory/1744-5-0x0000000005940000-0x000000000594A000-memory.dmp
memory/1744-6-0x0000000074520000-0x0000000074CD0000-memory.dmp
memory/1744-7-0x0000000005CA0000-0x0000000005CB8000-memory.dmp
memory/1744-8-0x0000000005810000-0x0000000005820000-memory.dmp
memory/1744-9-0x0000000000F50000-0x0000000000F60000-memory.dmp
memory/1744-10-0x00000000017C0000-0x000000000182E000-memory.dmp
memory/1744-11-0x0000000006D90000-0x0000000006E2C000-memory.dmp
memory/2136-16-0x00000000022A0000-0x00000000022D6000-memory.dmp
memory/2136-17-0x0000000074520000-0x0000000074CD0000-memory.dmp
memory/2136-18-0x0000000002290000-0x00000000022A0000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmpDC80.tmp
| MD5 | 500df10857a68de1b401fade0c212076 |
| SHA1 | 9dca19b9bca5d10f3a4d2afc8fae0a90dcfa7a48 |
| SHA256 | eb6f0668b55eae6bfa08e6266dc5378fa8925555d2510df5662ade9dc4aeab5d |
| SHA512 | 8bca9aa5e2f12997bb6c4b3f5207ae0e6648730d66d1fd081a945b1364f4f2a6048161b6794768bb2336fc655bb3525c4cdb0d86a4f5a2677de6a46145b81da9 |
memory/2136-19-0x0000000002290000-0x00000000022A0000-memory.dmp
memory/2136-21-0x0000000004CF0000-0x0000000005318000-memory.dmp
memory/4492-22-0x0000000000400000-0x000000000042F000-memory.dmp
memory/2136-24-0x0000000005420000-0x0000000005442000-memory.dmp
memory/1744-27-0x0000000074520000-0x0000000074CD0000-memory.dmp
memory/4492-28-0x0000000001370000-0x00000000016BA000-memory.dmp
memory/2136-29-0x0000000074520000-0x0000000074CD0000-memory.dmp
memory/2136-30-0x0000000002290000-0x00000000022A0000-memory.dmp
memory/2136-31-0x0000000002290000-0x00000000022A0000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_wwa1rupn.1pd.ps1
| MD5 | d17fe0a3f47be24a6453e9ef58c94641 |
| SHA1 | 6ab83620379fc69f80c0242105ddffd7d98d5d9d |
| SHA256 | 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7 |
| SHA512 | 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82 |
memory/2136-35-0x00000000057C0000-0x0000000005826000-memory.dmp
memory/2136-40-0x00000000059A0000-0x0000000005A06000-memory.dmp
memory/2136-41-0x0000000005B30000-0x0000000005E84000-memory.dmp
memory/2136-42-0x0000000005F00000-0x0000000005F1E000-memory.dmp
memory/2136-43-0x00000000060A0000-0x00000000060EC000-memory.dmp
memory/2136-44-0x0000000002290000-0x00000000022A0000-memory.dmp
memory/2136-45-0x0000000002290000-0x00000000022A0000-memory.dmp
memory/2136-46-0x000000007FBE0000-0x000000007FBF0000-memory.dmp
memory/2136-47-0x0000000006430000-0x0000000006462000-memory.dmp
memory/2136-48-0x0000000070A10000-0x0000000070A5C000-memory.dmp
memory/2136-58-0x0000000006410000-0x000000000642E000-memory.dmp
memory/2136-59-0x00000000070B0000-0x0000000007153000-memory.dmp
memory/2136-60-0x00000000077E0000-0x0000000007E5A000-memory.dmp
memory/2136-61-0x0000000007180000-0x000000000719A000-memory.dmp
memory/2136-62-0x00000000071F0000-0x00000000071FA000-memory.dmp
memory/2136-63-0x0000000007400000-0x0000000007496000-memory.dmp
memory/2136-64-0x0000000007380000-0x0000000007391000-memory.dmp
memory/2136-65-0x00000000073B0000-0x00000000073BE000-memory.dmp
memory/2136-66-0x00000000073C0000-0x00000000073D4000-memory.dmp
memory/2136-67-0x00000000074C0000-0x00000000074DA000-memory.dmp
memory/2136-68-0x00000000074A0000-0x00000000074A8000-memory.dmp
memory/2136-71-0x0000000074520000-0x0000000074CD0000-memory.dmp