rms | 7e7da6cf2c261926d030c50a9060092b99b2fe47d2aece51f843c092fa0c7e4f

Analysis

max time kernel
143s
max time network
152s
platform
windows7_x64
resource
win7-en-20211208
submitted
28-01-2022 20:02

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General

Target

7e7da6cf2c261926d030c50a9060092b99b2fe47d2aece51f843c092fa0c7e4f.exe
Size

3.7MB
MD5

eb4542ec4ea785d8ad731a0e8a6c04dc
SHA1

66b87ec611b1839cc2465e4326288f0c0eb6f800
SHA256

7e7da6cf2c261926d030c50a9060092b99b2fe47d2aece51f843c092fa0c7e4f
SHA512

3847e2dfcf877bb092ab225c0c016c4256d64921a6cc0dbd4a2f8a5f67cb06bda384a4e7ae49d63a3b3215047b26a9854249ec679d4ce660454699fcbb0257ce

Score

10^/10

rms persistence rat trojan upx

Malware Config

Signatures

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

Executes dropped EXE 4 IoCs

pid	Process
780	up.exe
1632	Total.exe
1260	rutserv.exe
1584	rutserv.exe

UPX packed file 8 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/files/0x000700000001226a-57.dat	upx
behavioral1/files/0x000700000001226a-58.dat	upx
behavioral1/files/0x000700000001226a-60.dat	upx
behavioral1/files/0x000b000000012209-69.dat	upx
behavioral1/files/0x0009000000012213-71.dat	upx
behavioral1/files/0x0009000000012213-72.dat	upx
behavioral1/files/0x0009000000012213-74.dat	upx
behavioral1/files/0x0009000000012213-76.dat	upx

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	rutserv.exe

Loads dropped DLL 6 IoCs

pid	Process
1156	7e7da6cf2c261926d030c50a9060092b99b2fe47d2aece51f843c092fa0c7e4f.exe
1156	7e7da6cf2c261926d030c50a9060092b99b2fe47d2aece51f843c092fa0c7e4f.exe
1032	cmd.exe
1032	cmd.exe
1632	Total.exe
1032	cmd.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Windows\CurrentVersion\Run	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Windows\CurrentVersion\Run\sys = "c:\\ProgramData\\rutserv.exe"	reg.exe

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

System Information Discovery
T1082

Runs ping.exe 1 TTPs 2 IoCs

Remote System Discovery

T1018

pid	Process
436	PING.EXE
1948	PING.EXE

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
1260	rutserv.exe
1260	rutserv.exe
1260	rutserv.exe
1260	rutserv.exe
1260	rutserv.exe
1584	rutserv.exe
1584	rutserv.exe
1584	rutserv.exe
1584	rutserv.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1260	rutserv.exe
Token: SeTakeOwnershipPrivilege	1584	rutserv.exe
Token: SeTcbPrivilege	1584	rutserv.exe
Token: SeTcbPrivilege	1584	rutserv.exe

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
1260	rutserv.exe
1260	rutserv.exe
1260	rutserv.exe
1260	rutserv.exe
1584	rutserv.exe
1584	rutserv.exe
1584	rutserv.exe
1584	rutserv.exe

Suspicious use of WriteProcessMemory 31 IoCs

description	pid	Process	procid_target
PID 1156 wrote to memory of 780	1156	7e7da6cf2c261926d030c50a9060092b99b2fe47d2aece51f843c092fa0c7e4f.exe	27
PID 1156 wrote to memory of 780	1156	7e7da6cf2c261926d030c50a9060092b99b2fe47d2aece51f843c092fa0c7e4f.exe	27
PID 1156 wrote to memory of 780	1156	7e7da6cf2c261926d030c50a9060092b99b2fe47d2aece51f843c092fa0c7e4f.exe	27
PID 1156 wrote to memory of 780	1156	7e7da6cf2c261926d030c50a9060092b99b2fe47d2aece51f843c092fa0c7e4f.exe	27
PID 780 wrote to memory of 1032	780	up.exe	28
PID 780 wrote to memory of 1032	780	up.exe	28
PID 780 wrote to memory of 1032	780	up.exe	28
PID 780 wrote to memory of 1032	780	up.exe	28
PID 780 wrote to memory of 1032	780	up.exe	28
PID 780 wrote to memory of 1032	780	up.exe	28
PID 780 wrote to memory of 1032	780	up.exe	28
PID 1032 wrote to memory of 1632	1032	cmd.exe	30
PID 1032 wrote to memory of 1632	1032	cmd.exe	30
PID 1032 wrote to memory of 1632	1032	cmd.exe	30
PID 1032 wrote to memory of 1632	1032	cmd.exe	30
PID 1032 wrote to memory of 436	1032	cmd.exe	31
PID 1032 wrote to memory of 436	1032	cmd.exe	31
PID 1032 wrote to memory of 436	1032	cmd.exe	31
PID 1032 wrote to memory of 436	1032	cmd.exe	31
PID 1032 wrote to memory of 1956	1032	cmd.exe	32
PID 1032 wrote to memory of 1956	1032	cmd.exe	32
PID 1032 wrote to memory of 1956	1032	cmd.exe	32
PID 1032 wrote to memory of 1956	1032	cmd.exe	32
PID 1032 wrote to memory of 1948	1032	cmd.exe	33
PID 1032 wrote to memory of 1948	1032	cmd.exe	33
PID 1032 wrote to memory of 1948	1032	cmd.exe	33
PID 1032 wrote to memory of 1948	1032	cmd.exe	33
PID 1032 wrote to memory of 1260	1032	cmd.exe	34
PID 1032 wrote to memory of 1260	1032	cmd.exe	34
PID 1032 wrote to memory of 1260	1032	cmd.exe	34
PID 1032 wrote to memory of 1260	1032	cmd.exe	34

C:\Users\Admin\AppData\Local\Temp\7e7da6cf2c261926d030c50a9060092b99b2fe47d2aece51f843c092fa0c7e4f.exe
"C:\Users\Admin\AppData\Local\Temp\7e7da6cf2c261926d030c50a9060092b99b2fe47d2aece51f843c092fa0c7e4f.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1156
- C:\Users\Admin\AppData\Roaming\Microsoft\up.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\up.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:780
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c install.cmd
    3⤵
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:1032
  - - C:\Users\Admin\AppData\Roaming\Microsoft\Total.exe
      "Total.exe" x -pcpnZZ69kP0EgpnhDnJFhEPDOj data.tmp -y
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      PID:1632
  - - C:\Windows\SysWOW64\PING.EXE
      ping 127.0.0.1
      4⤵
      Runs ping.exe
      PID:436
  - - C:\Windows\SysWOW64\reg.exe
      REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "sys" /t REG_SZ /d "c:\ProgramData\rutserv.exe"
      4⤵
      Adds Run key to start application
      PID:1956
  - - C:\Windows\SysWOW64\PING.EXE
      ping 127.0.0.1
      4⤵
      Runs ping.exe
      PID:1948
  - - C:\ProgramData\rutserv.exe
      "C:\ProgramData\rutserv.exe"
      4⤵
      Executes dropped EXE
      Checks computer location settings
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:1260
    - - C:\ProgramData\rutserv.exe
        
        C:\ProgramData\rutserv.exe -second
        5⤵
        Executes dropped EXE
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of SetWindowsHookEx
        
        PID:1584

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

Remote System Discovery

T1018

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1156-55-0x0000000076071000-0x0000000076073000-memory.dmp

Filesize
8KB

Download
memory/1260-75-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/1584-82-0x00000000043C0000-0x00000000043C1000-memory.dmp

Filesize
4KB

Download
memory/1584-81-0x00000000043A0000-0x00000000043A1000-memory.dmp

Filesize
4KB

Download
memory/1584-80-0x0000000004390000-0x0000000004391000-memory.dmp

Filesize
4KB

Download
memory/1584-83-0x0000000004E80000-0x0000000004E81000-memory.dmp

Filesize
4KB

Download
memory/1584-78-0x00000000003F0000-0x00000000003F1000-memory.dmp

Filesize
4KB

Download
memory/1584-84-0x0000000004F10000-0x0000000004F11000-memory.dmp

Filesize
4KB

Download
memory/1584-86-0x0000000005600000-0x0000000005601000-memory.dmp

Filesize
4KB

Download
memory/1584-85-0x00000000050E0000-0x00000000050E1000-memory.dmp

Filesize
4KB

Download
memory/1584-88-0x0000000005610000-0x0000000005611000-memory.dmp

Filesize
4KB

Download
memory/1584-87-0x0000000005570000-0x0000000005571000-memory.dmp

Filesize
4KB

Download
memory/1584-89-0x0000000005980000-0x0000000005981000-memory.dmp

Filesize
4KB

Download
memory/1584-91-0x0000000005A90000-0x0000000005A91000-memory.dmp

Filesize
4KB

Download
memory/1584-90-0x0000000005970000-0x0000000005971000-memory.dmp

Filesize
4KB

Download