Analysis Overview
SHA256
967a8db54ac259968792d81629b930bfeff404505eff4073b51a30d913bcaf55
Threat Level: Known bad
The file 967a8db54ac259968792d81629b930bfeff404505eff4073b51a30d913bcaf55 was found to be: Known bad.
Malicious Activity Summary
Modifies WinLogon for persistence
Luminosity
Executes dropped EXE
Loads dropped DLL
Checks computer location settings
Adds Run key to start application
Suspicious use of SetThreadContext
Drops file in System32 directory
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: RenamesItself
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-11-27 01:47
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-11-27 01:47
Reported
2022-11-27 20:46
Platform
win7-20220812-en
Max time kernel
147s
Max time network
46s
Command Line
Signatures
Luminosity
Modifies WinLogon for persistence
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "userinit.exe,\"C:\\Windows\\system32\\clientsvr.exe\"" | C:\ProgramData\323049\msfilecom.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "explorer.exe,\"C:\\ProgramData\\323049\\msfilecom.exe\"" | C:\ProgramData\323049\msfilecom.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProgramData\323049\msfilecom.exe | N/A |
| N/A | N/A | C:\ProgramData\323049\msfilecom.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\967a8db54ac259968792d81629b930bfeff404505eff4073b51a30d913bcaf55.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\MSocnfdID = "\"C:\\ProgramData\\323049\\msfilecom.exe\"" | C:\ProgramData\323049\msfilecom.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\clientsvr.exe | C:\ProgramData\323049\msfilecom.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\clientsvr.exe | C:\ProgramData\323049\msfilecom.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1496 set thread context of 972 | N/A | C:\Users\Admin\AppData\Local\Temp\967a8db54ac259968792d81629b930bfeff404505eff4073b51a30d913bcaf55.exe | C:\Users\Admin\AppData\Local\Temp\967a8db54ac259968792d81629b930bfeff404505eff4073b51a30d913bcaf55.exe |
| PID 820 set thread context of 1224 | N/A | C:\ProgramData\323049\msfilecom.exe | C:\ProgramData\323049\msfilecom.exe |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\967a8db54ac259968792d81629b930bfeff404505eff4073b51a30d913bcaf55.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\967a8db54ac259968792d81629b930bfeff404505eff4073b51a30d913bcaf55.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\ProgramData\323049\msfilecom.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\ProgramData\323049\msfilecom.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProgramData\323049\msfilecom.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\967a8db54ac259968792d81629b930bfeff404505eff4073b51a30d913bcaf55.exe
"C:\Users\Admin\AppData\Local\Temp\967a8db54ac259968792d81629b930bfeff404505eff4073b51a30d913bcaf55.exe"
C:\Users\Admin\AppData\Local\Temp\967a8db54ac259968792d81629b930bfeff404505eff4073b51a30d913bcaf55.exe
"C:\Users\Admin\AppData\Local\Temp\967a8db54ac259968792d81629b930bfeff404505eff4073b51a30d913bcaf55.exe"
C:\Users\Admin\AppData\Local\Temp\967a8db54ac259968792d81629b930bfeff404505eff4073b51a30d913bcaf55.exe
"C:\Users\Admin\AppData\Local\Temp\967a8db54ac259968792d81629b930bfeff404505eff4073b51a30d913bcaf55.exe"
C:\Users\Admin\AppData\Local\Temp\967a8db54ac259968792d81629b930bfeff404505eff4073b51a30d913bcaf55.exe
"C:\Users\Admin\AppData\Local\Temp\967a8db54ac259968792d81629b930bfeff404505eff4073b51a30d913bcaf55.exe"
C:\Users\Admin\AppData\Local\Temp\967a8db54ac259968792d81629b930bfeff404505eff4073b51a30d913bcaf55.exe
"C:\Users\Admin\AppData\Local\Temp\967a8db54ac259968792d81629b930bfeff404505eff4073b51a30d913bcaf55.exe"
C:\Users\Admin\AppData\Local\Temp\967a8db54ac259968792d81629b930bfeff404505eff4073b51a30d913bcaf55.exe
"C:\Users\Admin\AppData\Local\Temp\967a8db54ac259968792d81629b930bfeff404505eff4073b51a30d913bcaf55.exe"
C:\Users\Admin\AppData\Local\Temp\967a8db54ac259968792d81629b930bfeff404505eff4073b51a30d913bcaf55.exe
"C:\Users\Admin\AppData\Local\Temp\967a8db54ac259968792d81629b930bfeff404505eff4073b51a30d913bcaf55.exe"
C:\ProgramData\323049\msfilecom.exe
"C:\ProgramData\323049\msfilecom.exe"
C:\ProgramData\323049\msfilecom.exe
"C:\ProgramData\323049\msfilecom.exe"
Network
| Country | Destination | Domain | Proto |
| N/A | 8.8.8.8:53 | h4xinc90.jumpingcrab.com | udp |
Files
memory/1496-54-0x0000000075131000-0x0000000075133000-memory.dmp
memory/1496-55-0x0000000073FA0000-0x000000007454B000-memory.dmp
memory/972-56-0x0000000000400000-0x0000000000462000-memory.dmp
memory/972-57-0x0000000000400000-0x0000000000462000-memory.dmp
memory/972-59-0x0000000000400000-0x0000000000462000-memory.dmp
memory/972-61-0x0000000000400000-0x0000000000462000-memory.dmp
memory/972-62-0x000000000045CF0E-mapping.dmp
memory/972-64-0x0000000000400000-0x0000000000462000-memory.dmp
memory/972-66-0x0000000000400000-0x0000000000462000-memory.dmp
memory/1496-68-0x0000000073FA0000-0x000000007454B000-memory.dmp
memory/972-69-0x0000000073FA0000-0x000000007454B000-memory.dmp
\ProgramData\323049\msfilecom.exe
| MD5 | 112978a940b3aa91557b10e37ec65ffb |
| SHA1 | 51b06bbcd1a9320c4e1ff63a6d0b2a2221cef536 |
| SHA256 | 967a8db54ac259968792d81629b930bfeff404505eff4073b51a30d913bcaf55 |
| SHA512 | 666f25c4cb694b69165b42cf4c71baeb38f0507039e5a455da87f70324f302e0dbfd3e8f5d858c88e35f76acb5c64bc30fed19398f4f636c35a12ecbc61483b3 |
memory/820-71-0x0000000000000000-mapping.dmp
C:\ProgramData\323049\msfilecom.exe
| MD5 | 112978a940b3aa91557b10e37ec65ffb |
| SHA1 | 51b06bbcd1a9320c4e1ff63a6d0b2a2221cef536 |
| SHA256 | 967a8db54ac259968792d81629b930bfeff404505eff4073b51a30d913bcaf55 |
| SHA512 | 666f25c4cb694b69165b42cf4c71baeb38f0507039e5a455da87f70324f302e0dbfd3e8f5d858c88e35f76acb5c64bc30fed19398f4f636c35a12ecbc61483b3 |
C:\ProgramData\323049\msfilecom.exe
| MD5 | 112978a940b3aa91557b10e37ec65ffb |
| SHA1 | 51b06bbcd1a9320c4e1ff63a6d0b2a2221cef536 |
| SHA256 | 967a8db54ac259968792d81629b930bfeff404505eff4073b51a30d913bcaf55 |
| SHA512 | 666f25c4cb694b69165b42cf4c71baeb38f0507039e5a455da87f70324f302e0dbfd3e8f5d858c88e35f76acb5c64bc30fed19398f4f636c35a12ecbc61483b3 |
memory/820-75-0x0000000073FA0000-0x000000007454B000-memory.dmp
memory/1224-82-0x000000000045CF0E-mapping.dmp
C:\ProgramData\323049\msfilecom.exe
| MD5 | 112978a940b3aa91557b10e37ec65ffb |
| SHA1 | 51b06bbcd1a9320c4e1ff63a6d0b2a2221cef536 |
| SHA256 | 967a8db54ac259968792d81629b930bfeff404505eff4073b51a30d913bcaf55 |
| SHA512 | 666f25c4cb694b69165b42cf4c71baeb38f0507039e5a455da87f70324f302e0dbfd3e8f5d858c88e35f76acb5c64bc30fed19398f4f636c35a12ecbc61483b3 |
memory/820-89-0x0000000073FA0000-0x000000007454B000-memory.dmp
memory/1224-90-0x0000000073FA0000-0x000000007454B000-memory.dmp
memory/972-91-0x0000000073FA0000-0x000000007454B000-memory.dmp
memory/1224-92-0x0000000073FA0000-0x000000007454B000-memory.dmp
memory/972-93-0x0000000073FA0000-0x000000007454B000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-11-27 01:47
Reported
2022-11-27 20:46
Platform
win10v2004-20220812-en
Max time kernel
151s
Max time network
162s
Command Line
Signatures
Luminosity
Modifies WinLogon for persistence
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "userinit.exe,\"C:\\Windows\\system32\\clientsvr.exe\"" | C:\ProgramData\706527\msfilecom.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "explorer.exe,\"C:\\ProgramData\\706527\\msfilecom.exe\"" | C:\ProgramData\706527\msfilecom.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProgramData\706527\msfilecom.exe | N/A |
| N/A | N/A | C:\ProgramData\706527\msfilecom.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\967a8db54ac259968792d81629b930bfeff404505eff4073b51a30d913bcaf55.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\MSocnfdID = "\"C:\\ProgramData\\706527\\msfilecom.exe\"" | C:\ProgramData\706527\msfilecom.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\clientsvr.exe | C:\ProgramData\706527\msfilecom.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\clientsvr.exe | C:\ProgramData\706527\msfilecom.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4248 set thread context of 4884 | N/A | C:\Users\Admin\AppData\Local\Temp\967a8db54ac259968792d81629b930bfeff404505eff4073b51a30d913bcaf55.exe | C:\Users\Admin\AppData\Local\Temp\967a8db54ac259968792d81629b930bfeff404505eff4073b51a30d913bcaf55.exe |
| PID 3928 set thread context of 1216 | N/A | C:\ProgramData\706527\msfilecom.exe | C:\ProgramData\706527\msfilecom.exe |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\967a8db54ac259968792d81629b930bfeff404505eff4073b51a30d913bcaf55.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\967a8db54ac259968792d81629b930bfeff404505eff4073b51a30d913bcaf55.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\ProgramData\706527\msfilecom.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\ProgramData\706527\msfilecom.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProgramData\706527\msfilecom.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\967a8db54ac259968792d81629b930bfeff404505eff4073b51a30d913bcaf55.exe
"C:\Users\Admin\AppData\Local\Temp\967a8db54ac259968792d81629b930bfeff404505eff4073b51a30d913bcaf55.exe"
C:\Users\Admin\AppData\Local\Temp\967a8db54ac259968792d81629b930bfeff404505eff4073b51a30d913bcaf55.exe
"C:\Users\Admin\AppData\Local\Temp\967a8db54ac259968792d81629b930bfeff404505eff4073b51a30d913bcaf55.exe"
C:\ProgramData\706527\msfilecom.exe
"C:\ProgramData\706527\msfilecom.exe"
C:\ProgramData\706527\msfilecom.exe
"C:\ProgramData\706527\msfilecom.exe"
Network
| Country | Destination | Domain | Proto |
| N/A | 8.8.8.8:53 | h4xinc90.jumpingcrab.com | udp |
| N/A | 52.242.101.226:443 | tcp | |
| N/A | 20.189.173.10:443 | tcp | |
| N/A | 8.8.8.8:53 | h4xinc90.jumpingcrab.com | udp |
| N/A | 8.253.208.113:80 | tcp | |
| N/A | 8.253.208.113:80 | tcp | |
| N/A | 209.197.3.8:80 | tcp | |
| N/A | 8.8.8.8:53 | h4xinc90.jumpingcrab.com | udp |
| N/A | 52.242.101.226:443 | tcp | |
| N/A | 8.8.8.8:53 | h4xinc90.jumpingcrab.com | udp |
| N/A | 209.197.3.8:80 | tcp | |
| N/A | 8.8.8.8:53 | h4xinc90.jumpingcrab.com | udp |
| N/A | 8.8.8.8:53 | h4xinc90.jumpingcrab.com | udp |
| N/A | 8.8.8.8:53 | h4xinc90.jumpingcrab.com | udp |
| N/A | 8.8.8.8:53 | h4xinc90.jumpingcrab.com | udp |
| N/A | 8.8.8.8:53 | h4xinc90.jumpingcrab.com | udp |
| N/A | 8.8.8.8:53 | h4xinc90.jumpingcrab.com | udp |
| N/A | 8.8.8.8:53 | h4xinc90.jumpingcrab.com | udp |
| N/A | 8.8.8.8:53 | h4xinc90.jumpingcrab.com | udp |
| N/A | 8.8.8.8:53 | h4xinc90.jumpingcrab.com | udp |
Files
memory/4248-132-0x0000000074880000-0x0000000074E31000-memory.dmp
memory/4884-133-0x0000000000000000-mapping.dmp
memory/4884-134-0x0000000000400000-0x0000000000462000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\967a8db54ac259968792d81629b930bfeff404505eff4073b51a30d913bcaf55.exe.log
| MD5 | 0a9b4592cd49c3c21f6767c2dabda92f |
| SHA1 | f534297527ae5ccc0ecb2221ddeb8e58daeb8b74 |
| SHA256 | c7effe9cb81a70d738dee863991afefab040290d4c4b78b4202383bcb9f88fcd |
| SHA512 | 6b878df474e5bbfb8e9e265f15a76560c2ef151dcebc6388c82d7f6f86ffaf83f5ade5a09f1842e493cb6c8fd63b0b88d088c728fd725f7139f965a5ee332307 |
memory/4248-136-0x0000000074880000-0x0000000074E31000-memory.dmp
memory/4884-137-0x0000000074880000-0x0000000074E31000-memory.dmp
memory/3928-138-0x0000000000000000-mapping.dmp
C:\ProgramData\706527\msfilecom.exe
| MD5 | 112978a940b3aa91557b10e37ec65ffb |
| SHA1 | 51b06bbcd1a9320c4e1ff63a6d0b2a2221cef536 |
| SHA256 | 967a8db54ac259968792d81629b930bfeff404505eff4073b51a30d913bcaf55 |
| SHA512 | 666f25c4cb694b69165b42cf4c71baeb38f0507039e5a455da87f70324f302e0dbfd3e8f5d858c88e35f76acb5c64bc30fed19398f4f636c35a12ecbc61483b3 |
C:\ProgramData\706527\msfilecom.exe
| MD5 | 112978a940b3aa91557b10e37ec65ffb |
| SHA1 | 51b06bbcd1a9320c4e1ff63a6d0b2a2221cef536 |
| SHA256 | 967a8db54ac259968792d81629b930bfeff404505eff4073b51a30d913bcaf55 |
| SHA512 | 666f25c4cb694b69165b42cf4c71baeb38f0507039e5a455da87f70324f302e0dbfd3e8f5d858c88e35f76acb5c64bc30fed19398f4f636c35a12ecbc61483b3 |
memory/3928-141-0x0000000074880000-0x0000000074E31000-memory.dmp
memory/4884-142-0x0000000074880000-0x0000000074E31000-memory.dmp
memory/1216-143-0x0000000000000000-mapping.dmp
C:\ProgramData\706527\msfilecom.exe
| MD5 | 112978a940b3aa91557b10e37ec65ffb |
| SHA1 | 51b06bbcd1a9320c4e1ff63a6d0b2a2221cef536 |
| SHA256 | 967a8db54ac259968792d81629b930bfeff404505eff4073b51a30d913bcaf55 |
| SHA512 | 666f25c4cb694b69165b42cf4c71baeb38f0507039e5a455da87f70324f302e0dbfd3e8f5d858c88e35f76acb5c64bc30fed19398f4f636c35a12ecbc61483b3 |
C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\msfilecom.exe.log
| MD5 | 0a9b4592cd49c3c21f6767c2dabda92f |
| SHA1 | f534297527ae5ccc0ecb2221ddeb8e58daeb8b74 |
| SHA256 | c7effe9cb81a70d738dee863991afefab040290d4c4b78b4202383bcb9f88fcd |
| SHA512 | 6b878df474e5bbfb8e9e265f15a76560c2ef151dcebc6388c82d7f6f86ffaf83f5ade5a09f1842e493cb6c8fd63b0b88d088c728fd725f7139f965a5ee332307 |
memory/3928-147-0x0000000074880000-0x0000000074E31000-memory.dmp
memory/1216-148-0x0000000074880000-0x0000000074E31000-memory.dmp
memory/4884-149-0x0000000006C40000-0x0000000006C57000-memory.dmp
memory/4884-150-0x0000000006C40000-0x0000000006C57000-memory.dmp
memory/4884-151-0x0000000006C40000-0x0000000006C57000-memory.dmp
memory/1216-152-0x0000000074880000-0x0000000074E31000-memory.dmp
memory/4884-153-0x0000000074880000-0x0000000074E31000-memory.dmp