rms | a7bf090c6c00f0ed0aaaf53aa84ef1c08a2a85a59e4f3cc7d447178f284429dd

General

Target

a7bf090c6c00f0ed0aaaf53aa84ef1c08a2a85a59e4f3cc7d447178f284429dd.exe
Size

14.6MB
MD5

c4890d57d4156c67975949591292e636
SHA1

f9b5e4bda938ca6caa483954ae898fed96b21892
SHA256

a7bf090c6c00f0ed0aaaf53aa84ef1c08a2a85a59e4f3cc7d447178f284429dd
SHA512

b3680886615dbd586a77c8a9006de6df71710fb23f16d44450073234b8b5579ea01439bc9e81847baf6940f4eccf1a875135a6863e8de8e02d1fafb5316390dd

Score

10^/10

rms evasion persistence rat trojan

Malware Config

Signatures

RMS
Remote Manipulator System (RMS) is a remote access tool developed by Russian organization TektonIT.
trojan rat rms
UAC bypass 3 TTPs
evasion trojan

Bypass User Account Control
T1088

Disabling Security Tools
T1089

Modify Registry
T1112

Executes dropped EXE 2 IoCs

pid	Process
2028	sysdisk.exe
824	sysdisk.exe

Modifies Windows Firewall 1 TTPs
evasion

Modify Existing Service
T1031

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Control Panel\International\Geo\Nation	sysdisk.exe

Deletes itself 1 IoCs

pid	Process
868	cmd.exe

Loads dropped DLL 1 IoCs

pid	Process
1648	a7bf090c6c00f0ed0aaaf53aa84ef1c08a2a85a59e4f3cc7d447178f284429dd.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Windows\CurrentVersion\Run\Microsoft Corporation = "C:\\Windows\\System64\\sysdisk.exe"	a7bf090c6c00f0ed0aaaf53aa84ef1c08a2a85a59e4f3cc7d447178f284429dd.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\System64\vp8encoder.dll	a7bf090c6c00f0ed0aaaf53aa84ef1c08a2a85a59e4f3cc7d447178f284429dd.exe
File created	C:\Windows\System64\vp8decoder.dll	a7bf090c6c00f0ed0aaaf53aa84ef1c08a2a85a59e4f3cc7d447178f284429dd.exe
File created	C:\Windows\System64\sysdisk.exe	a7bf090c6c00f0ed0aaaf53aa84ef1c08a2a85a59e4f3cc7d447178f284429dd.exe

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

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Internet Explorer\Main	a7bf090c6c00f0ed0aaaf53aa84ef1c08a2a85a59e4f3cc7d447178f284429dd.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
616	reg.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
2028	sysdisk.exe
2028	sysdisk.exe
2028	sysdisk.exe
2028	sysdisk.exe
2028	sysdisk.exe
824	sysdisk.exe
824	sysdisk.exe
824	sysdisk.exe
824	sysdisk.exe

Suspicious use of AdjustPrivilegeToken 10 IoCs

description	pid	Process
Token: SeShutdownPrivilege	1056	powercfg.exe
Token: SeShutdownPrivilege	1056	powercfg.exe
Token: SeShutdownPrivilege	1056	powercfg.exe
Token: SeShutdownPrivilege	1056	powercfg.exe
Token: SeShutdownPrivilege	1056	powercfg.exe
Token: SeCreatePagefilePrivilege	1056	powercfg.exe
Token: SeDebugPrivilege	2028	sysdisk.exe
Token: SeTakeOwnershipPrivilege	824	sysdisk.exe
Token: SeTcbPrivilege	824	sysdisk.exe
Token: SeTcbPrivilege	824	sysdisk.exe

Suspicious use of SetWindowsHookEx 10 IoCs

pid	Process
1648	a7bf090c6c00f0ed0aaaf53aa84ef1c08a2a85a59e4f3cc7d447178f284429dd.exe
1648	a7bf090c6c00f0ed0aaaf53aa84ef1c08a2a85a59e4f3cc7d447178f284429dd.exe
2028	sysdisk.exe
2028	sysdisk.exe
2028	sysdisk.exe
2028	sysdisk.exe
824	sysdisk.exe
824	sysdisk.exe
824	sysdisk.exe
824	sysdisk.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 1648 wrote to memory of 1480	1648	a7bf090c6c00f0ed0aaaf53aa84ef1c08a2a85a59e4f3cc7d447178f284429dd.exe	27
PID 1648 wrote to memory of 1480	1648	a7bf090c6c00f0ed0aaaf53aa84ef1c08a2a85a59e4f3cc7d447178f284429dd.exe	27
PID 1648 wrote to memory of 1480	1648	a7bf090c6c00f0ed0aaaf53aa84ef1c08a2a85a59e4f3cc7d447178f284429dd.exe	27
PID 1648 wrote to memory of 1480	1648	a7bf090c6c00f0ed0aaaf53aa84ef1c08a2a85a59e4f3cc7d447178f284429dd.exe	27
PID 1648 wrote to memory of 112	1648	a7bf090c6c00f0ed0aaaf53aa84ef1c08a2a85a59e4f3cc7d447178f284429dd.exe	28
PID 1648 wrote to memory of 112	1648	a7bf090c6c00f0ed0aaaf53aa84ef1c08a2a85a59e4f3cc7d447178f284429dd.exe	28
PID 1648 wrote to memory of 112	1648	a7bf090c6c00f0ed0aaaf53aa84ef1c08a2a85a59e4f3cc7d447178f284429dd.exe	28
PID 1648 wrote to memory of 112	1648	a7bf090c6c00f0ed0aaaf53aa84ef1c08a2a85a59e4f3cc7d447178f284429dd.exe	28
PID 1648 wrote to memory of 616	1648	a7bf090c6c00f0ed0aaaf53aa84ef1c08a2a85a59e4f3cc7d447178f284429dd.exe	31
PID 1648 wrote to memory of 616	1648	a7bf090c6c00f0ed0aaaf53aa84ef1c08a2a85a59e4f3cc7d447178f284429dd.exe	31
PID 1648 wrote to memory of 616	1648	a7bf090c6c00f0ed0aaaf53aa84ef1c08a2a85a59e4f3cc7d447178f284429dd.exe	31
PID 1648 wrote to memory of 616	1648	a7bf090c6c00f0ed0aaaf53aa84ef1c08a2a85a59e4f3cc7d447178f284429dd.exe	31
PID 1648 wrote to memory of 1056	1648	a7bf090c6c00f0ed0aaaf53aa84ef1c08a2a85a59e4f3cc7d447178f284429dd.exe	33
PID 1648 wrote to memory of 1056	1648	a7bf090c6c00f0ed0aaaf53aa84ef1c08a2a85a59e4f3cc7d447178f284429dd.exe	33
PID 1648 wrote to memory of 1056	1648	a7bf090c6c00f0ed0aaaf53aa84ef1c08a2a85a59e4f3cc7d447178f284429dd.exe	33
PID 1648 wrote to memory of 1056	1648	a7bf090c6c00f0ed0aaaf53aa84ef1c08a2a85a59e4f3cc7d447178f284429dd.exe	33
PID 1648 wrote to memory of 2028	1648	a7bf090c6c00f0ed0aaaf53aa84ef1c08a2a85a59e4f3cc7d447178f284429dd.exe	35
PID 1648 wrote to memory of 2028	1648	a7bf090c6c00f0ed0aaaf53aa84ef1c08a2a85a59e4f3cc7d447178f284429dd.exe	35
PID 1648 wrote to memory of 2028	1648	a7bf090c6c00f0ed0aaaf53aa84ef1c08a2a85a59e4f3cc7d447178f284429dd.exe	35
PID 1648 wrote to memory of 2028	1648	a7bf090c6c00f0ed0aaaf53aa84ef1c08a2a85a59e4f3cc7d447178f284429dd.exe	35
PID 1648 wrote to memory of 868	1648	a7bf090c6c00f0ed0aaaf53aa84ef1c08a2a85a59e4f3cc7d447178f284429dd.exe	41
PID 1648 wrote to memory of 868	1648	a7bf090c6c00f0ed0aaaf53aa84ef1c08a2a85a59e4f3cc7d447178f284429dd.exe	41
PID 1648 wrote to memory of 868	1648	a7bf090c6c00f0ed0aaaf53aa84ef1c08a2a85a59e4f3cc7d447178f284429dd.exe	41
PID 1648 wrote to memory of 868	1648	a7bf090c6c00f0ed0aaaf53aa84ef1c08a2a85a59e4f3cc7d447178f284429dd.exe	41

C:\Users\Admin\AppData\Local\Temp\a7bf090c6c00f0ed0aaaf53aa84ef1c08a2a85a59e4f3cc7d447178f284429dd.exe
"C:\Users\Admin\AppData\Local\Temp\a7bf090c6c00f0ed0aaaf53aa84ef1c08a2a85a59e4f3cc7d447178f284429dd.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1648
- C:\Windows\SysWOW64\netsh.exe
  netsh firewall set opmode mode=disable
  2⤵
  PID:1480
- C:\Windows\SysWOW64\netsh.exe
  netsh advfirewall set allprofiles state off
  2⤵
  PID:112
- C:\Windows\SysWOW64\reg.exe
  reg.exe ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /t REG_DWORD /d 0 /f
  2⤵
  - Modifies registry key
  PID:616
- C:\Windows\SysWOW64\powercfg.exe
  powercfg.exe -h off
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:1056
- C:\Windows\System64\sysdisk.exe
  "C:\Windows\System64\sysdisk.exe"
  2⤵
  - Executes dropped EXE
  - Checks computer location settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2028
- - C:\Windows\System64\sysdisk.exe
    C:\Windows\System64\sysdisk.exe -second
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:824
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\del.cmd" "
  2⤵
  - Deletes itself
  PID:868

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Bypass User Account Control

1

T1088

Defense Evasion

Bypass User Account Control

1

T1088

Disabling Security Tools

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/824-72-0x0000000004280000-0x0000000004281000-memory.dmp

Filesize
4KB

Download
memory/824-79-0x0000000005970000-0x0000000005971000-memory.dmp

Filesize
4KB

Download
memory/824-81-0x0000000006500000-0x0000000006501000-memory.dmp

Filesize
4KB

Download
memory/824-82-0x0000000006550000-0x0000000006551000-memory.dmp

Filesize
4KB

Download
memory/824-71-0x0000000004270000-0x0000000004271000-memory.dmp

Filesize
4KB

Download
memory/824-68-0x0000000002510000-0x0000000002511000-memory.dmp

Filesize
4KB

Download
memory/824-74-0x0000000004DB0000-0x0000000004DB1000-memory.dmp

Filesize
4KB

Download
memory/824-73-0x0000000004290000-0x0000000004291000-memory.dmp

Filesize
4KB

Download
memory/824-75-0x0000000004E10000-0x0000000004E11000-memory.dmp

Filesize
4KB

Download
memory/824-76-0x0000000005490000-0x00000000055A0000-memory.dmp

Filesize
1.1MB

Download
memory/824-77-0x00000000055B0000-0x00000000055B1000-memory.dmp

Filesize
4KB

Download
memory/824-78-0x00000000055C0000-0x00000000055C1000-memory.dmp

Filesize
4KB

Download
memory/824-80-0x00000000064F0000-0x00000000064F1000-memory.dmp

Filesize
4KB

Download
memory/1648-55-0x00000000756C1000-0x00000000756C3000-memory.dmp

Filesize
8KB

Download
memory/1648-56-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2028-62-0x0000000000340000-0x0000000000341000-memory.dmp

Filesize
4KB

Download
memory/2028-65-0x00000000042E0000-0x00000000042E1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads