rms | 602abb9458203a57ad198be8071e89625cae1ff76a7181993fa21e40165091ea

Analysis

max time kernel
8s
max time network
155s
platform
windows7_x64
resource
win7-20220414-en
submitted
24/05/2022, 14:08

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General

Target
602abb9458203a57ad198be8071e89625cae1ff76a7181993fa21e40165091ea.exe
Size 4.2MB
Sample220524-rfpetshcgr
SHA256 602abb9458203a57ad198be8071e89625cae1ff76a7181993fa21e40165091ea
MD5 64f6e818b23a85c112830b2aead35160
SHA1 e96074bcdcb2cb666857ad6d2a7b33288bbedc89
SHA512 8486c6fd582b8e6c84add60dc32830401d082c6210ad790c77e5c725bab3e890cfe968bb445c0780b949f1c0172fc59fd07f2a850bb753bb6f3b4a13fd1fc845
MD5 SHA1 SHA512

Score

10^/10

rms rat trojan

Malware Config

Signatures

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

Executes dropped EXE 5 IoCs

pid	Process
1204	rutserv.exe
1316	rutserv.exe
748	rutserv.exe
2028	rutserv.exe
1080	rfusclient.exe

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

System Information Discovery
T1082

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
924	timeout.exe

Kills process with taskkill 2 IoCs

evasion

pid	Process
2000	taskkill.exe
1784	taskkill.exe

Runs .reg file with regedit 1 IoCs

pid	Process
1212	regedit.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
1204	rutserv.exe
1204	rutserv.exe
1204	rutserv.exe
1204	rutserv.exe
1316	rutserv.exe
1316	rutserv.exe
748	rutserv.exe
748	rutserv.exe
2028	rutserv.exe
2028	rutserv.exe
2028	rutserv.exe
2028	rutserv.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

description	pid	Process
Token: SeDebugPrivilege	2000	taskkill.exe
Token: SeDebugPrivilege	1784	taskkill.exe
Token: SeDebugPrivilege	1204	rutserv.exe
Token: SeDebugPrivilege	748	rutserv.exe
Token: SeTakeOwnershipPrivilege	2028	rutserv.exe
Token: SeTcbPrivilege	2028	rutserv.exe
Token: SeTcbPrivilege	2028	rutserv.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1204	rutserv.exe
1316	rutserv.exe
748	rutserv.exe
2028	rutserv.exe

Suspicious use of WriteProcessMemory 51 IoCs

description	pid	Process	procid_target
PID 1656 wrote to memory of 1652	1656	602abb9458203a57ad198be8071e89625cae1ff76a7181993fa21e40165091ea.exe	28
PID 1656 wrote to memory of 1652	1656	602abb9458203a57ad198be8071e89625cae1ff76a7181993fa21e40165091ea.exe	28
PID 1656 wrote to memory of 1652	1656	602abb9458203a57ad198be8071e89625cae1ff76a7181993fa21e40165091ea.exe	28
PID 1656 wrote to memory of 1652	1656	602abb9458203a57ad198be8071e89625cae1ff76a7181993fa21e40165091ea.exe	28
PID 1652 wrote to memory of 944	1652	WScript.exe	31
PID 1652 wrote to memory of 944	1652	WScript.exe	31
PID 1652 wrote to memory of 944	1652	WScript.exe	31
PID 1652 wrote to memory of 944	1652	WScript.exe	31
PID 1652 wrote to memory of 944	1652	WScript.exe	31
PID 1652 wrote to memory of 944	1652	WScript.exe	31
PID 1652 wrote to memory of 944	1652	WScript.exe	31
PID 944 wrote to memory of 2000	944	cmd.exe	29
PID 944 wrote to memory of 2000	944	cmd.exe	29
PID 944 wrote to memory of 2000	944	cmd.exe	29
PID 944 wrote to memory of 2000	944	cmd.exe	29
PID 944 wrote to memory of 1784	944	cmd.exe	33
PID 944 wrote to memory of 1784	944	cmd.exe	33
PID 944 wrote to memory of 1784	944	cmd.exe	33
PID 944 wrote to memory of 1784	944	cmd.exe	33
PID 944 wrote to memory of 320	944	cmd.exe	34
PID 944 wrote to memory of 320	944	cmd.exe	34
PID 944 wrote to memory of 320	944	cmd.exe	34
PID 944 wrote to memory of 320	944	cmd.exe	34
PID 944 wrote to memory of 1212	944	cmd.exe	35
PID 944 wrote to memory of 1212	944	cmd.exe	35
PID 944 wrote to memory of 1212	944	cmd.exe	35
PID 944 wrote to memory of 1212	944	cmd.exe	35
PID 944 wrote to memory of 924	944	cmd.exe	36
PID 944 wrote to memory of 924	944	cmd.exe	36
PID 944 wrote to memory of 924	944	cmd.exe	36
PID 944 wrote to memory of 924	944	cmd.exe	36
PID 944 wrote to memory of 1204	944	cmd.exe	37
PID 944 wrote to memory of 1204	944	cmd.exe	37
PID 944 wrote to memory of 1204	944	cmd.exe	37
PID 944 wrote to memory of 1204	944	cmd.exe	37
PID 944 wrote to memory of 1316	944	cmd.exe	38
PID 944 wrote to memory of 1316	944	cmd.exe	38
PID 944 wrote to memory of 1316	944	cmd.exe	38
PID 944 wrote to memory of 1316	944	cmd.exe	38
PID 944 wrote to memory of 748	944	cmd.exe	39
PID 944 wrote to memory of 748	944	cmd.exe	39
PID 944 wrote to memory of 748	944	cmd.exe	39
PID 944 wrote to memory of 748	944	cmd.exe	39
PID 2028 wrote to memory of 1080	2028	rutserv.exe	42
PID 2028 wrote to memory of 1080	2028	rutserv.exe	42
PID 2028 wrote to memory of 1080	2028	rutserv.exe	42
PID 2028 wrote to memory of 1080	2028	rutserv.exe	42
PID 2028 wrote to memory of 1796	2028	rutserv.exe	41
PID 2028 wrote to memory of 1796	2028	rutserv.exe	41
PID 2028 wrote to memory of 1796	2028	rutserv.exe	41
PID 2028 wrote to memory of 1796	2028	rutserv.exe	41

C:\Users\Admin\AppData\Local\Temp\602abb9458203a57ad198be8071e89625cae1ff76a7181993fa21e40165091ea.exe
"C:\Users\Admin\AppData\Local\Temp\602abb9458203a57ad198be8071e89625cae1ff76a7181993fa21e40165091ea.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1656
- C:\Windows\SysWOW64\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\install.vbs"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1652
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\install.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:944
  - - C:\Windows\SysWOW64\taskkill.exe
      taskkill /f /im rfusclient.exe
      4⤵
      Kills process with taskkill
      Suspicious use of AdjustPrivilegeToken
      PID:1784
  - - C:\Windows\SysWOW64\reg.exe
      reg delete "HKLM\SYSTEM\Remote Manipulator System" /f
      4⤵
      PID:320
  - - C:\Windows\SysWOW64\regedit.exe
      regedit /s "regedit.reg"
      4⤵
      Runs .reg file with regedit
      PID:1212
  - - C:\Windows\SysWOW64\timeout.exe
      timeout 2
      4⤵
      Delays execution with timeout.exe
      PID:924
  - - \??\c:\rutserv.exe
      rutserv.exe /silentinstall
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:1204
  - - \??\c:\rutserv.exe
      rutserv.exe /firewall
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of SetWindowsHookEx
      PID:1316
  - - \??\c:\rutserv.exe
      rutserv.exe /start
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:748

C:\Windows\SysWOW64\taskkill.exe
taskkill /f /im rutserv.exe
1⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2000

\??\c:\rutserv.exe
c:\rutserv.exe
1⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2028
- \??\c:\rfusclient.exe
  c:\rfusclient.exe /tray
  2⤵
  PID:1796
- \??\c:\rfusclient.exe
  c:\rfusclient.exe
  2⤵
  - Executes dropped EXE
  PID:1080

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/748-91-0x0000000000400000-0x0000000000AB9000-memory.dmp

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memory/748-92-0x0000000000400000-0x0000000000AB9000-memory.dmp

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memory/748-93-0x0000000000400000-0x0000000000AB9000-memory.dmp

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memory/748-90-0x0000000000400000-0x0000000000AB9000-memory.dmp

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memory/748-110-0x0000000000400000-0x0000000000AB9000-memory.dmp

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memory/748-89-0x0000000000400000-0x0000000000AB9000-memory.dmp

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memory/1204-76-0x0000000000400000-0x0000000000AB9000-memory.dmp

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memory/1204-72-0x0000000000400000-0x0000000000AB9000-memory.dmp

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memory/1204-71-0x0000000000400000-0x0000000000AB9000-memory.dmp

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memory/1204-73-0x0000000000400000-0x0000000000AB9000-memory.dmp

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memory/1204-75-0x0000000000400000-0x0000000000AB9000-memory.dmp

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memory/1204-74-0x0000000000400000-0x0000000000AB9000-memory.dmp

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memory/1316-80-0x0000000000400000-0x0000000000AB9000-memory.dmp

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memory/1316-81-0x0000000000400000-0x0000000000AB9000-memory.dmp

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memory/1316-85-0x0000000000400000-0x0000000000AB9000-memory.dmp

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memory/1316-83-0x0000000000400000-0x0000000000AB9000-memory.dmp

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memory/1316-84-0x0000000000400000-0x0000000000AB9000-memory.dmp

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memory/1316-82-0x0000000000400000-0x0000000000AB9000-memory.dmp

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memory/1656-54-0x00000000765C1000-0x00000000765C3000-memory.dmp

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memory/1796-111-0x0000000000400000-0x00000000009B6000-memory.dmp

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memory/1796-112-0x0000000000400000-0x00000000009B6000-memory.dmp

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memory/1796-113-0x0000000000400000-0x00000000009B6000-memory.dmp

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memory/1796-115-0x0000000000400000-0x00000000009B6000-memory.dmp

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memory/1796-114-0x0000000000400000-0x00000000009B6000-memory.dmp

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memory/2028-97-0x0000000000400000-0x0000000000AB9000-memory.dmp

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memory/2028-100-0x0000000000400000-0x0000000000AB9000-memory.dmp

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memory/2028-99-0x0000000000400000-0x0000000000AB9000-memory.dmp

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memory/2028-98-0x0000000000400000-0x0000000000AB9000-memory.dmp

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memory/2028-96-0x0000000000400000-0x0000000000AB9000-memory.dmp

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