Analysis
-
max time kernel
151s -
max time network
162s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
27-11-2022 01:47
Static task
static1
Behavioral task
behavioral1
Sample
967a8db54ac259968792d81629b930bfeff404505eff4073b51a30d913bcaf55.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
967a8db54ac259968792d81629b930bfeff404505eff4073b51a30d913bcaf55.exe
Resource
win10v2004-20220812-en
General
-
Target
967a8db54ac259968792d81629b930bfeff404505eff4073b51a30d913bcaf55.exe
-
Size
509KB
-
MD5
112978a940b3aa91557b10e37ec65ffb
-
SHA1
51b06bbcd1a9320c4e1ff63a6d0b2a2221cef536
-
SHA256
967a8db54ac259968792d81629b930bfeff404505eff4073b51a30d913bcaf55
-
SHA512
666f25c4cb694b69165b42cf4c71baeb38f0507039e5a455da87f70324f302e0dbfd3e8f5d858c88e35f76acb5c64bc30fed19398f4f636c35a12ecbc61483b3
-
SSDEEP
12288:X03SAZHsXBEE4V+kwCJwNiNvwPeJYLd95YhJ:XDUEBEE4dlNIPWYBQD
Malware Config
Signatures
-
Luminosity
Luminosity is a RAT family that was on sale, while claiming to be a system administration utility.
-
Modifies WinLogon for persistence 2 TTPs 2 IoCs
Processes:
msfilecom.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "userinit.exe,\"C:\\Windows\\system32\\clientsvr.exe\"" msfilecom.exe 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\"" msfilecom.exe -
Executes dropped EXE 2 IoCs
Processes:
msfilecom.exemsfilecom.exepid process 3928 msfilecom.exe 1216 msfilecom.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
967a8db54ac259968792d81629b930bfeff404505eff4073b51a30d913bcaf55.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation 967a8db54ac259968792d81629b930bfeff404505eff4073b51a30d913bcaf55.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
msfilecom.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\MSocnfdID = "\"C:\\ProgramData\\706527\\msfilecom.exe\"" msfilecom.exe -
Drops file in System32 directory 2 IoCs
Processes:
msfilecom.exedescription ioc process File created C:\Windows\SysWOW64\clientsvr.exe msfilecom.exe File opened for modification C:\Windows\SysWOW64\clientsvr.exe msfilecom.exe -
Suspicious use of SetThreadContext 2 IoCs
Processes:
967a8db54ac259968792d81629b930bfeff404505eff4073b51a30d913bcaf55.exemsfilecom.exedescription pid process target process PID 4248 set thread context of 4884 4248 967a8db54ac259968792d81629b930bfeff404505eff4073b51a30d913bcaf55.exe 967a8db54ac259968792d81629b930bfeff404505eff4073b51a30d913bcaf55.exe PID 3928 set thread context of 1216 3928 msfilecom.exe msfilecom.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
967a8db54ac259968792d81629b930bfeff404505eff4073b51a30d913bcaf55.exemsfilecom.exemsfilecom.exe967a8db54ac259968792d81629b930bfeff404505eff4073b51a30d913bcaf55.exepid process 4248 967a8db54ac259968792d81629b930bfeff404505eff4073b51a30d913bcaf55.exe 4248 967a8db54ac259968792d81629b930bfeff404505eff4073b51a30d913bcaf55.exe 3928 msfilecom.exe 3928 msfilecom.exe 1216 msfilecom.exe 1216 msfilecom.exe 1216 msfilecom.exe 1216 msfilecom.exe 1216 msfilecom.exe 1216 msfilecom.exe 1216 msfilecom.exe 1216 msfilecom.exe 1216 msfilecom.exe 4884 967a8db54ac259968792d81629b930bfeff404505eff4073b51a30d913bcaf55.exe 4884 967a8db54ac259968792d81629b930bfeff404505eff4073b51a30d913bcaf55.exe 1216 msfilecom.exe 1216 msfilecom.exe 1216 msfilecom.exe 1216 msfilecom.exe 1216 msfilecom.exe 1216 msfilecom.exe 1216 msfilecom.exe 1216 msfilecom.exe 1216 msfilecom.exe 1216 msfilecom.exe 1216 msfilecom.exe 1216 msfilecom.exe 1216 msfilecom.exe 1216 msfilecom.exe 1216 msfilecom.exe 1216 msfilecom.exe 1216 msfilecom.exe 1216 msfilecom.exe 1216 msfilecom.exe 1216 msfilecom.exe 1216 msfilecom.exe 1216 msfilecom.exe 1216 msfilecom.exe 1216 msfilecom.exe 1216 msfilecom.exe 1216 msfilecom.exe 1216 msfilecom.exe 1216 msfilecom.exe 1216 msfilecom.exe 1216 msfilecom.exe 1216 msfilecom.exe 1216 msfilecom.exe 1216 msfilecom.exe 1216 msfilecom.exe 1216 msfilecom.exe 1216 msfilecom.exe 1216 msfilecom.exe 1216 msfilecom.exe 1216 msfilecom.exe 1216 msfilecom.exe 1216 msfilecom.exe 1216 msfilecom.exe 1216 msfilecom.exe 1216 msfilecom.exe 1216 msfilecom.exe 1216 msfilecom.exe 1216 msfilecom.exe 1216 msfilecom.exe 1216 msfilecom.exe -
Suspicious behavior: RenamesItself 1 IoCs
Processes:
967a8db54ac259968792d81629b930bfeff404505eff4073b51a30d913bcaf55.exepid process 4884 967a8db54ac259968792d81629b930bfeff404505eff4073b51a30d913bcaf55.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
967a8db54ac259968792d81629b930bfeff404505eff4073b51a30d913bcaf55.exemsfilecom.exemsfilecom.exedescription pid process Token: SeDebugPrivilege 4248 967a8db54ac259968792d81629b930bfeff404505eff4073b51a30d913bcaf55.exe Token: SeDebugPrivilege 3928 msfilecom.exe Token: SeDebugPrivilege 1216 msfilecom.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
msfilecom.exepid process 1216 msfilecom.exe -
Suspicious use of WriteProcessMemory 24 IoCs
Processes:
967a8db54ac259968792d81629b930bfeff404505eff4073b51a30d913bcaf55.exe967a8db54ac259968792d81629b930bfeff404505eff4073b51a30d913bcaf55.exemsfilecom.exemsfilecom.exedescription pid process target process PID 4248 wrote to memory of 4884 4248 967a8db54ac259968792d81629b930bfeff404505eff4073b51a30d913bcaf55.exe 967a8db54ac259968792d81629b930bfeff404505eff4073b51a30d913bcaf55.exe PID 4248 wrote to memory of 4884 4248 967a8db54ac259968792d81629b930bfeff404505eff4073b51a30d913bcaf55.exe 967a8db54ac259968792d81629b930bfeff404505eff4073b51a30d913bcaf55.exe PID 4248 wrote to memory of 4884 4248 967a8db54ac259968792d81629b930bfeff404505eff4073b51a30d913bcaf55.exe 967a8db54ac259968792d81629b930bfeff404505eff4073b51a30d913bcaf55.exe PID 4248 wrote to memory of 4884 4248 967a8db54ac259968792d81629b930bfeff404505eff4073b51a30d913bcaf55.exe 967a8db54ac259968792d81629b930bfeff404505eff4073b51a30d913bcaf55.exe PID 4248 wrote to memory of 4884 4248 967a8db54ac259968792d81629b930bfeff404505eff4073b51a30d913bcaf55.exe 967a8db54ac259968792d81629b930bfeff404505eff4073b51a30d913bcaf55.exe PID 4248 wrote to memory of 4884 4248 967a8db54ac259968792d81629b930bfeff404505eff4073b51a30d913bcaf55.exe 967a8db54ac259968792d81629b930bfeff404505eff4073b51a30d913bcaf55.exe PID 4248 wrote to memory of 4884 4248 967a8db54ac259968792d81629b930bfeff404505eff4073b51a30d913bcaf55.exe 967a8db54ac259968792d81629b930bfeff404505eff4073b51a30d913bcaf55.exe PID 4248 wrote to memory of 4884 4248 967a8db54ac259968792d81629b930bfeff404505eff4073b51a30d913bcaf55.exe 967a8db54ac259968792d81629b930bfeff404505eff4073b51a30d913bcaf55.exe PID 4884 wrote to memory of 3928 4884 967a8db54ac259968792d81629b930bfeff404505eff4073b51a30d913bcaf55.exe msfilecom.exe PID 4884 wrote to memory of 3928 4884 967a8db54ac259968792d81629b930bfeff404505eff4073b51a30d913bcaf55.exe msfilecom.exe PID 4884 wrote to memory of 3928 4884 967a8db54ac259968792d81629b930bfeff404505eff4073b51a30d913bcaf55.exe msfilecom.exe PID 3928 wrote to memory of 1216 3928 msfilecom.exe msfilecom.exe PID 3928 wrote to memory of 1216 3928 msfilecom.exe msfilecom.exe PID 3928 wrote to memory of 1216 3928 msfilecom.exe msfilecom.exe PID 3928 wrote to memory of 1216 3928 msfilecom.exe msfilecom.exe PID 3928 wrote to memory of 1216 3928 msfilecom.exe msfilecom.exe PID 3928 wrote to memory of 1216 3928 msfilecom.exe msfilecom.exe PID 3928 wrote to memory of 1216 3928 msfilecom.exe msfilecom.exe PID 3928 wrote to memory of 1216 3928 msfilecom.exe msfilecom.exe PID 1216 wrote to memory of 4884 1216 msfilecom.exe 967a8db54ac259968792d81629b930bfeff404505eff4073b51a30d913bcaf55.exe PID 1216 wrote to memory of 4884 1216 msfilecom.exe 967a8db54ac259968792d81629b930bfeff404505eff4073b51a30d913bcaf55.exe PID 1216 wrote to memory of 4884 1216 msfilecom.exe 967a8db54ac259968792d81629b930bfeff404505eff4073b51a30d913bcaf55.exe PID 1216 wrote to memory of 4884 1216 msfilecom.exe 967a8db54ac259968792d81629b930bfeff404505eff4073b51a30d913bcaf55.exe PID 1216 wrote to memory of 4884 1216 msfilecom.exe 967a8db54ac259968792d81629b930bfeff404505eff4073b51a30d913bcaf55.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\967a8db54ac259968792d81629b930bfeff404505eff4073b51a30d913bcaf55.exe"C:\Users\Admin\AppData\Local\Temp\967a8db54ac259968792d81629b930bfeff404505eff4073b51a30d913bcaf55.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4248 -
C:\Users\Admin\AppData\Local\Temp\967a8db54ac259968792d81629b930bfeff404505eff4073b51a30d913bcaf55.exe"C:\Users\Admin\AppData\Local\Temp\967a8db54ac259968792d81629b930bfeff404505eff4073b51a30d913bcaf55.exe"2⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:4884 -
C:\ProgramData\706527\msfilecom.exe"C:\ProgramData\706527\msfilecom.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3928 -
C:\ProgramData\706527\msfilecom.exe"C:\ProgramData\706527\msfilecom.exe"4⤵
- Modifies WinLogon for persistence
- Executes dropped EXE
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1216
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
509KB
MD5112978a940b3aa91557b10e37ec65ffb
SHA151b06bbcd1a9320c4e1ff63a6d0b2a2221cef536
SHA256967a8db54ac259968792d81629b930bfeff404505eff4073b51a30d913bcaf55
SHA512666f25c4cb694b69165b42cf4c71baeb38f0507039e5a455da87f70324f302e0dbfd3e8f5d858c88e35f76acb5c64bc30fed19398f4f636c35a12ecbc61483b3
-
Filesize
509KB
MD5112978a940b3aa91557b10e37ec65ffb
SHA151b06bbcd1a9320c4e1ff63a6d0b2a2221cef536
SHA256967a8db54ac259968792d81629b930bfeff404505eff4073b51a30d913bcaf55
SHA512666f25c4cb694b69165b42cf4c71baeb38f0507039e5a455da87f70324f302e0dbfd3e8f5d858c88e35f76acb5c64bc30fed19398f4f636c35a12ecbc61483b3
-
Filesize
509KB
MD5112978a940b3aa91557b10e37ec65ffb
SHA151b06bbcd1a9320c4e1ff63a6d0b2a2221cef536
SHA256967a8db54ac259968792d81629b930bfeff404505eff4073b51a30d913bcaf55
SHA512666f25c4cb694b69165b42cf4c71baeb38f0507039e5a455da87f70324f302e0dbfd3e8f5d858c88e35f76acb5c64bc30fed19398f4f636c35a12ecbc61483b3
-
C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\967a8db54ac259968792d81629b930bfeff404505eff4073b51a30d913bcaf55.exe.log
Filesize400B
MD50a9b4592cd49c3c21f6767c2dabda92f
SHA1f534297527ae5ccc0ecb2221ddeb8e58daeb8b74
SHA256c7effe9cb81a70d738dee863991afefab040290d4c4b78b4202383bcb9f88fcd
SHA5126b878df474e5bbfb8e9e265f15a76560c2ef151dcebc6388c82d7f6f86ffaf83f5ade5a09f1842e493cb6c8fd63b0b88d088c728fd725f7139f965a5ee332307
-
Filesize
400B
MD50a9b4592cd49c3c21f6767c2dabda92f
SHA1f534297527ae5ccc0ecb2221ddeb8e58daeb8b74
SHA256c7effe9cb81a70d738dee863991afefab040290d4c4b78b4202383bcb9f88fcd
SHA5126b878df474e5bbfb8e9e265f15a76560c2ef151dcebc6388c82d7f6f86ffaf83f5ade5a09f1842e493cb6c8fd63b0b88d088c728fd725f7139f965a5ee332307