rms | 99fd9e75e6241eff30e01c5b59df9e901fb24d12bee89c069cc6158f78b3cc98

General

Target

winserv.exe
Size

10.2MB
MD5

3f4f5a6cb95047fea6102bd7d2226aa9
SHA1

fc09dd898b6e7ff546e4a7517a715928fbafc297
SHA256

99fd9e75e6241eff30e01c5b59df9e901fb24d12bee89c069cc6158f78b3cc98
SHA512

de5c8155f426a4e55953ae85410c7d9ad84f5643c30865fc036d1270310e28754772bd0f3093444a16ef0c1fa3db6c56301746fb5e7f03ce692bfdad0c4fb688
SSDEEP

196608:iz+UZcWP4jBrfWgEgIV8Rzy7Vj4FZvEo:i6UZcWWeVj4FZ

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

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

Processes:

winserv.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-946614337-2046421199-3397417319-1000\Control Panel\International\Geo\Nation	winserv.exe

Modifies data under HKEY_USERS 2 IoCs

Processes:

winserv.exe

description	ioc	Process
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\LanguageList = 65006e002d0055005300000065006e0000000000	winserv.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@C:\Windows\SysWOW64\FirewallControlPanel.dll,-12122 = "Windows Firewall"	winserv.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

Processes:

winserv.exewinserv.exe

pid	Process
4492	winserv.exe
4492	winserv.exe
4492	winserv.exe
4492	winserv.exe
4492	winserv.exe
4492	winserv.exe
3048	winserv.exe
3048	winserv.exe
3048	winserv.exe
3048	winserv.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

winserv.exewinserv.exe

description	pid	Process
Token: SeDebugPrivilege	4492	winserv.exe
Token: SeTakeOwnershipPrivilege	3048	winserv.exe
Token: SeTcbPrivilege	3048	winserv.exe
Token: SeTcbPrivilege	3048	winserv.exe

Suspicious use of SetWindowsHookEx 8 IoCs

Processes:

winserv.exewinserv.exe

pid	Process
4492	winserv.exe
4492	winserv.exe
4492	winserv.exe
4492	winserv.exe
3048	winserv.exe
3048	winserv.exe
3048	winserv.exe
3048	winserv.exe

C:\Users\Admin\AppData\Local\Temp\winserv.exe
"C:\Users\Admin\AppData\Local\Temp\winserv.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:4492
- C:\Users\Admin\AppData\Local\Temp\winserv.exe
  C:\Users\Admin\AppData\Local\Temp\winserv.exe -second
  2⤵
  - Modifies data under HKEY_USERS
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:3048

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3048-16-0x0000000000400000-0x0000000000E31000-memory.dmp

Filesize
10.2MB

Download
memory/3048-24-0x0000000004630000-0x0000000004631000-memory.dmp

Filesize
4KB

Download
memory/3048-19-0x00000000049B0000-0x00000000049B1000-memory.dmp

Filesize
4KB

Download
memory/3048-33-0x0000000000400000-0x0000000000E31000-memory.dmp

Filesize
10.2MB

Download
memory/3048-31-0x0000000007150000-0x0000000007151000-memory.dmp

Filesize
4KB

Download
memory/3048-30-0x0000000006F50000-0x0000000006F51000-memory.dmp

Filesize
4KB

Download
memory/3048-29-0x0000000005190000-0x0000000005191000-memory.dmp

Filesize
4KB

Download
memory/3048-7-0x0000000000400000-0x0000000000E31000-memory.dmp

Filesize
10.2MB

Download
memory/3048-28-0x0000000004680000-0x0000000004681000-memory.dmp

Filesize
4KB

Download
memory/3048-27-0x0000000007530000-0x0000000007531000-memory.dmp

Filesize
4KB

Download
memory/3048-10-0x0000000000400000-0x0000000000E31000-memory.dmp

Filesize
10.2MB

Download
memory/3048-12-0x0000000000400000-0x0000000000E31000-memory.dmp

Filesize
10.2MB

Download
memory/3048-13-0x0000000000400000-0x0000000000E31000-memory.dmp

Filesize
10.2MB

Download
memory/3048-15-0x0000000000400000-0x0000000000E31000-memory.dmp

Filesize
10.2MB

Download
memory/3048-25-0x0000000004670000-0x0000000004671000-memory.dmp

Filesize
4KB

Download
memory/3048-35-0x0000000000400000-0x0000000000E31000-memory.dmp

Filesize
10.2MB

Download
memory/3048-18-0x00000000052E0000-0x00000000052E1000-memory.dmp

Filesize
4KB

Download
memory/3048-22-0x0000000005180000-0x0000000005181000-memory.dmp

Filesize
4KB

Download
memory/3048-23-0x0000000001260000-0x0000000001261000-memory.dmp

Filesize
4KB

Download
memory/3048-21-0x0000000004A60000-0x0000000004A61000-memory.dmp

Filesize
4KB

Download
memory/3048-20-0x00000000049C0000-0x00000000049C1000-memory.dmp

Filesize
4KB

Download
memory/3048-26-0x00000000073E0000-0x00000000073E1000-memory.dmp

Filesize
4KB

Download
memory/4492-1-0x0000000000400000-0x0000000000E31000-memory.dmp

Filesize
10.2MB

Download
memory/4492-2-0x0000000000400000-0x0000000000E31000-memory.dmp

Filesize
10.2MB

Download
memory/4492-9-0x0000000000400000-0x0000000000E31000-memory.dmp

Filesize
10.2MB

Download
memory/4492-8-0x0000000000400000-0x0000000000E31000-memory.dmp

Filesize
10.2MB

Download
memory/4492-6-0x00000000045D0000-0x00000000045D1000-memory.dmp

Filesize
4KB

Download
memory/4492-5-0x0000000002E40000-0x0000000002E41000-memory.dmp

Filesize
4KB

Download
memory/4492-4-0x0000000000400000-0x0000000000E31000-memory.dmp

Filesize
10.2MB

Download
memory/4492-3-0x0000000000400000-0x0000000000E31000-memory.dmp

Filesize
10.2MB

Download
memory/4492-0-0x0000000000400000-0x0000000000E31000-memory.dmp

Filesize
10.2MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads