rms | 3f2e1e8605555887c891dbdd6b19a34327464f43f23a886c38a3ea20150d7c84

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
21-11-2022 06:09

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General

Target

3F2E1E8605555887C891DBDD6B19A34327464F43F23A8.exe
Size

16.9MB
MD5

3a65450749fdcfbd3899d81b737d71aa
SHA1

c255cf28f9d90a549ce7502564fee148ff9f4255
SHA256

3f2e1e8605555887c891dbdd6b19a34327464f43f23a886c38a3ea20150d7c84
SHA512

3c7e4ae2d72ff1423dff023fc2f5a8e4a6ebff0e8a0945fd4335cf090c694b513ccfbc94ca0905dc3b7ed62d21618c64db623f0cd0c64faec744c13f2daaaf29
SSDEEP

393216:l5wMXez8dmAsCjO8RpB4cLO+aPn8jrqwM:zX3m/SO8F/javqrqwM

Score

10^/10

rms rat trojan upx

Malware Config

Signatures

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

Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs

description	pid	Process	procid_target
PID 1092 created 4900	1092	svchost.exe	82

Executes dropped EXE 4 IoCs

pid	Process
4928	rfusclient.exe
4900	rutserv.exe
1652	rutserv.exe
3544	rfusclient.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2552-132-0x0000000000400000-0x00000000028F7000-memory.dmp	upx
behavioral2/memory/2552-136-0x0000000000400000-0x00000000028F7000-memory.dmp	upx

Checks computer location settings 2 TTPs 4 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-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	3F2E1E8605555887C891DBDD6B19A34327464F43F23A8.exe
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	rfusclient.exe
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	rutserv.exe
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	rfusclient.exe

Loads dropped DLL 4 IoCs

pid	Process
4900	rutserv.exe
4900	rutserv.exe
1652	rutserv.exe
1652	rutserv.exe

Drops file in System32 directory 10 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content	rutserv.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\8890A77645B73478F5B1DED18ACBF795_C090A8C88B266C6FF99A97210E92B44D	rutserv.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\DA3B6E45325D5FFF28CF6BAD6065C907_09E960F015FF4A8F16C13B5E9BAAA43F	rutserv.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft	rutserv.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache	rutserv.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData	rutserv.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8890A77645B73478F5B1DED18ACBF795_C090A8C88B266C6FF99A97210E92B44D	rutserv.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\DA3B6E45325D5FFF28CF6BAD6065C907_09E960F015FF4A8F16C13B5E9BAAA43F	rutserv.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\C86BD7751D53F10F65AAAD66BBDF33C7	rutserv.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\C86BD7751D53F10F65AAAD66BBDF33C7	rutserv.exe

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

System Information Discovery
T1082

Modifies data under HKEY_USERS 46 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot	rutserv.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs	rutserv.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates	rutserv.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs	rutserv.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople	rutserv.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@C:\Windows\system32\windows.storage.dll,-9216 = "This PC"	rutserv.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs	rutserv.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed	rutserv.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs	rutserv.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs	rutserv.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates	rutserv.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing	rutserv.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA	rutserv.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates	rutserv.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates	rutserv.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates	rutserv.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs	rutserv.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs	rutserv.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs	rutserv.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs	rutserv.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs	rutserv.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs	rutserv.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates	rutserv.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\My	rutserv.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs	rutserv.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed	rutserv.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs	rutserv.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople	rutserv.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root	rutserv.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs	rutserv.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust	rutserv.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates	rutserv.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@C:\Windows\system32\ieframe.dll,-5723 = "The Internet"	rutserv.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@C:\Windows\system32\NetworkExplorer.dll,-1 = "Network"	rutserv.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates	rutserv.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs	rutserv.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs	rutserv.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA	rutserv.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates	rutserv.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs	rutserv.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates	rutserv.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs	rutserv.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs	rutserv.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@C:\Windows\system32\prnfldr.dll,-8036 = "Printers"	rutserv.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs	rutserv.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust	rutserv.exe

Modifies system certificate store 2 TTPs 3 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

description	ioc	Process
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 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	rutserv.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25	rutserv.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 040000000100000010000000d474de575c39b2d39c8583c5c065498a0f0000000100000014000000e35ef08d884f0a0ade2f75e96301ce6230f213a8530000000100000040000000303e301f06096086480186fd6c020130123010060a2b0601040182373c0101030200c0301b060567810c010330123010060a2b0601040182373c0101030200c0090000000100000034000000303206082b0601050507030206082b0601050507030306082b0601050507030406082b0601050507030106082b060105050703086200000001000000200000007431e5f4c3c1ce4690774f0b61e05440883ba9a01ed00ba6abd7806ed3b118cf140000000100000014000000b13ec36903f8bf4701d498261a0802ef63642bc30b00000001000000120000004400690067006900430065007200740000001d00000001000000100000008f76b981d528ad4770088245e2031b630300000001000000140000005fb7ee0633e259dbad0c4c9ae6d38f1a61c7dc25190000000100000010000000ba4f3972e7aed9dccdc210db59da13c92000000001000000c9030000308203c5308202ada003020102021002ac5c266a0b409b8f0b79f2ae462577300d06092a864886f70d0101050500306c310b300906035504061302555331153013060355040a130c446967694365727420496e6331193017060355040b13107777772e64696769636572742e636f6d312b30290603550403132244696769436572742048696768204173737572616e636520455620526f6f74204341301e170d3036313131303030303030305a170d3331313131303030303030305a306c310b300906035504061302555331153013060355040a130c446967694365727420496e6331193017060355040b13107777772e64696769636572742e636f6d312b30290603550403132244696769436572742048696768204173737572616e636520455620526f6f7420434130820122300d06092a864886f70d01010105000382010f003082010a0282010100c6cce573e6fbd4bbe52d2d32a6dfe5813fc9cd2549b6712ac3d5943467a20a1cb05f69a640b1c4b7b28fd098a4a941593ad3dc94d63cdb7438a44acc4d2582f74aa5531238eef3496d71917e63b6aba65fc3a484f84f6251bef8c5ecdb3892e306e508910cc4284155fbcb5a89157e71e835bf4d72093dbe3a38505b77311b8db3c724459aa7ac6d00145a04b7ba13eb510a984141224e656187814150a6795c89de194a57d52ee65d1c532c7e98cd1a0616a46873d03404135ca171d35a7c55db5e64e13787305604e511b4298012f1793988a202117c2766b788b778f2ca0aa838ab0a64c2bf665d9584c1a1251e875d1a500b2012cc41bb6e0b5138b84bcb0203010001a3633061300e0603551d0f0101ff040403020186300f0603551d130101ff040530030101ff301d0603551d0e04160414b13ec36903f8bf4701d498261a0802ef63642bc3301f0603551d23041830168014b13ec36903f8bf4701d498261a0802ef63642bc3300d06092a864886f70d010105050003820101001c1a0697dcd79c9f3c886606085721db2147f82a67aabf183276401057c18af37ad911658e35fa9efc45b59ed94c314bb891e8432c8eb378cedbe3537971d6e5219401da55879a2464f68a66ccde9c37cda834b1699b23c89e78222b7043e35547316119ef58c5852f4e30f6a0311623c8e7e2651633cbbf1a1ba03df8ca5e8b318b6008892d0c065c52b7c4f90a98d1155f9f12be7c366338bd44a47fe4262b0ac497690de98ce2c01057b8c876129155f24869d8bc2a025b0f44d42031dbf4ba70265d90609ebc4b17092fb4cb1e4368c90727c1d25cf7ea21b968129c3c9cbf9efc805c9b63cdec47aa252767a037f300827d54d7a9f8e92e13a377e81f4a	rutserv.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4928	rfusclient.exe
4928	rfusclient.exe
4900	rutserv.exe
4900	rutserv.exe
4900	rutserv.exe
4900	rutserv.exe
4900	rutserv.exe
4900	rutserv.exe
4900	rutserv.exe
4900	rutserv.exe
1652	rutserv.exe
1652	rutserv.exe
1652	rutserv.exe
1652	rutserv.exe
1652	rutserv.exe
1652	rutserv.exe
1652	rutserv.exe
1652	rutserv.exe
3544	rfusclient.exe
3544	rfusclient.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	4900	rutserv.exe
Token: SeTcbPrivilege	1092	svchost.exe
Token: SeTcbPrivilege	1092	svchost.exe
Token: SeTakeOwnershipPrivilege	1652	rutserv.exe
Token: SeTcbPrivilege	1652	rutserv.exe
Token: SeTcbPrivilege	1652	rutserv.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3544	rfusclient.exe
3544	rfusclient.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
3544	rfusclient.exe
3544	rfusclient.exe

Suspicious use of SetWindowsHookEx 9 IoCs

pid	Process
4900	rutserv.exe
4900	rutserv.exe
4900	rutserv.exe
4900	rutserv.exe
1652	rutserv.exe
1652	rutserv.exe
1652	rutserv.exe
1652	rutserv.exe
1652	rutserv.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2552 wrote to memory of 4928	2552	3F2E1E8605555887C891DBDD6B19A34327464F43F23A8.exe	81
PID 2552 wrote to memory of 4928	2552	3F2E1E8605555887C891DBDD6B19A34327464F43F23A8.exe	81
PID 2552 wrote to memory of 4928	2552	3F2E1E8605555887C891DBDD6B19A34327464F43F23A8.exe	81
PID 4928 wrote to memory of 4900	4928	rfusclient.exe	82
PID 4928 wrote to memory of 4900	4928	rfusclient.exe	82
PID 4928 wrote to memory of 4900	4928	rfusclient.exe	82
PID 1092 wrote to memory of 1652	1092	svchost.exe	85
PID 1092 wrote to memory of 1652	1092	svchost.exe	85
PID 1092 wrote to memory of 1652	1092	svchost.exe	85
PID 1652 wrote to memory of 3544	1652	rutserv.exe	86
PID 1652 wrote to memory of 3544	1652	rutserv.exe	86
PID 1652 wrote to memory of 3544	1652	rutserv.exe	86

C:\Users\Admin\AppData\Local\Temp\3F2E1E8605555887C891DBDD6B19A34327464F43F23A8.exe
"C:\Users\Admin\AppData\Local\Temp\3F2E1E8605555887C891DBDD6B19A34327464F43F23A8.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2552
- C:\Users\Admin\AppData\Roaming\Remote Utilities Agent\70120\C3B2BB3603\rfusclient.exe
  "C:\Users\Admin\AppData\Roaming\Remote Utilities Agent\70120\C3B2BB3603\rfusclient.exe" -run_agent
  2⤵
  - Executes dropped EXE
  - Checks computer location settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:4928
- - C:\Users\Admin\AppData\Roaming\Remote Utilities Agent\70120\C3B2BB3603\rutserv.exe
    "C:\Users\Admin\AppData\Roaming\Remote Utilities Agent\70120\C3B2BB3603\rutserv.exe" -run_agent
    3⤵
    - Executes dropped EXE
    - Checks computer location settings
    - Loads dropped DLL
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:4900
  - - C:\Users\Admin\AppData\Roaming\Remote Utilities Agent\70120\C3B2BB3603\rutserv.exe
      "C:\Users\Admin\AppData\Roaming\Remote Utilities Agent\70120\C3B2BB3603\rutserv.exe" -run_agent -second
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      Drops file in System32 directory
      Modifies data under HKEY_USERS
      Modifies system certificate store
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:1652
    - - C:\Users\Admin\AppData\Roaming\Remote Utilities Agent\70120\C3B2BB3603\rfusclient.exe
        
        "C:\Users\Admin\AppData\Roaming\Remote Utilities Agent\70120\C3B2BB3603\rfusclient.exe" /tray /user
        5⤵
        Executes dropped EXE
        Checks computer location settings
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of FindShellTrayWindow
        Suspicious use of SendNotifyMessage
        
        PID:3544

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s seclogon
1⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1092

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Install Root Certificate

T1130

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Remote Utilities Agent\70120\C3B2BB3603\branding.ini

Filesize
240B

MD5
a676de939525dd9017d49a4bd2252a0b

SHA1
cbbd9ddfaef92b1de946bd4677342894ed1f81db

SHA256
d6b631fb0121ff1e03784a0b92b881eb6c3b71308507686e14c29284846ab20e

SHA512
6167d6c0ee965b6a080f40a043dc7a7b742e38602455842d532869979d3b24172e880bc2cf23b4f4f1c0ebb835b42729e5a5cd96449d2ab49e263aab0f2ca2ff

Download Submit
C:\Users\Admin\AppData\Roaming\Remote Utilities Agent\70120\C3B2BB3603\eventmsg.dll

Filesize
51KB

MD5
ca8a4346b37cdd0220792885c5937b30

SHA1
eef05f4b7fb5f8aabfb93d10a6451cc77b489864

SHA256
ccd5b9e5947f956e880bd2285a6091dc9f1ee9b0eb8df627ec4e72b451a1c745

SHA512
c286b0fa9d24a85fe63d3a3d801f135d12409736742c4fc16ba1dc15529df136577dc8975736146437dd56467576fdedb4ac50cf05ab054547504f3dc5ca0c35

Download Submit
C:\Users\Admin\AppData\Roaming\Remote Utilities Agent\70120\C3B2BB3603\libeay32.dll

Filesize
1.3MB

MD5
d9871a6ba02aacf3d51e6c168d9c6066

SHA1
42012a0116a9e8aed16c7298bd43cb1206a0f0cd

SHA256
7975ac81130ae8fe09caf6bef313c44fe064b67ed9205f0bd11ac165386e2f95

SHA512
ae9118dac893097cd0e388ce45ff76c26b99b1cc9aea59547cc1dedf00bfbaf575f3d05317fac2f3f8b5c97896f6080bea9a90425333dbf02013eb01a002e43f

Download Submit
C:\Users\Admin\AppData\Roaming\Remote Utilities Agent\70120\C3B2BB3603\libeay32.dll

Filesize
1.3MB

MD5
d9871a6ba02aacf3d51e6c168d9c6066

SHA1
42012a0116a9e8aed16c7298bd43cb1206a0f0cd

SHA256
7975ac81130ae8fe09caf6bef313c44fe064b67ed9205f0bd11ac165386e2f95

SHA512
ae9118dac893097cd0e388ce45ff76c26b99b1cc9aea59547cc1dedf00bfbaf575f3d05317fac2f3f8b5c97896f6080bea9a90425333dbf02013eb01a002e43f

Download Submit
C:\Users\Admin\AppData\Roaming\Remote Utilities Agent\70120\C3B2BB3603\libeay32.dll

Filesize
1.3MB

MD5
d9871a6ba02aacf3d51e6c168d9c6066

SHA1
42012a0116a9e8aed16c7298bd43cb1206a0f0cd

SHA256
7975ac81130ae8fe09caf6bef313c44fe064b67ed9205f0bd11ac165386e2f95

SHA512
ae9118dac893097cd0e388ce45ff76c26b99b1cc9aea59547cc1dedf00bfbaf575f3d05317fac2f3f8b5c97896f6080bea9a90425333dbf02013eb01a002e43f

Download Submit
C:\Users\Admin\AppData\Roaming\Remote Utilities Agent\70120\C3B2BB3603\logo.png

Filesize
16KB

MD5
8999d4e912006a92313b6918dc37d840

SHA1
39f5bf93e220ad58566446d6f01062f27c77330d

SHA256
05ecc6d7f80562d7780e8155188bbcc7c9e04672f72671d64469133f841232bb

SHA512
958a1fd69b2fcda42d4495142b308ec4979501582ba51f494cb65ae08732398634ccb0511c6e8c93873eadc8f7741ac7c3ea5f6eccfb88956dd41a3456c2c5be

Download Submit
C:\Users\Admin\AppData\Roaming\Remote Utilities Agent\70120\C3B2BB3603\rfusclient.exe

Filesize
10.3MB

MD5
aaf8ce35de73ae8277454e5d56c6ea3a

SHA1
917da0204367be210e65a4ad1848ab2c3ab9b545

SHA256
5d98abca0c45a45d3308d6b86df7a4ad855eeb7ab2ab63bcf5541da973f8722b

SHA512
880a538912db42acc20ffef242c94d9a5d02047a2cfb4fa34ee04655666f1e0479ed318abc5dd43d8fbad60b9cf521448c82981bc5a62bcc8198e94a2750f561

Download Submit
C:\Users\Admin\AppData\Roaming\Remote Utilities Agent\70120\C3B2BB3603\rfusclient.exe

Filesize
10.3MB

MD5
aaf8ce35de73ae8277454e5d56c6ea3a

SHA1
917da0204367be210e65a4ad1848ab2c3ab9b545

SHA256
5d98abca0c45a45d3308d6b86df7a4ad855eeb7ab2ab63bcf5541da973f8722b

SHA512
880a538912db42acc20ffef242c94d9a5d02047a2cfb4fa34ee04655666f1e0479ed318abc5dd43d8fbad60b9cf521448c82981bc5a62bcc8198e94a2750f561

Download Submit
C:\Users\Admin\AppData\Roaming\Remote Utilities Agent\70120\C3B2BB3603\rfusclient.exe

Filesize
10.3MB

MD5
aaf8ce35de73ae8277454e5d56c6ea3a

SHA1
917da0204367be210e65a4ad1848ab2c3ab9b545

SHA256
5d98abca0c45a45d3308d6b86df7a4ad855eeb7ab2ab63bcf5541da973f8722b

SHA512
880a538912db42acc20ffef242c94d9a5d02047a2cfb4fa34ee04655666f1e0479ed318abc5dd43d8fbad60b9cf521448c82981bc5a62bcc8198e94a2750f561

Download Submit
C:\Users\Admin\AppData\Roaming\Remote Utilities Agent\70120\C3B2BB3603\rutserv.exe

Filesize
19.6MB

MD5
21c7ef02914ab2c0eb555287f844c5ce

SHA1
05620f3523b1c7706b39d1a594e8a7f754ed80a7

SHA256
67fcbe4a6f2599d6899654a05f66d8a2846ed50de51171f7d7315c055f76aef7

SHA512
f30f9eec09c648521fc69ed32f893ecc402ed3cbc9cb1d14eeaa3f91f205694347db6d525486243565a98e7fb44469d4cacd39a476a061aa5500969538f97ad0

Download Submit
C:\Users\Admin\AppData\Roaming\Remote Utilities Agent\70120\C3B2BB3603\rutserv.exe

Filesize
19.6MB

MD5
21c7ef02914ab2c0eb555287f844c5ce

SHA1
05620f3523b1c7706b39d1a594e8a7f754ed80a7

SHA256
67fcbe4a6f2599d6899654a05f66d8a2846ed50de51171f7d7315c055f76aef7

SHA512
f30f9eec09c648521fc69ed32f893ecc402ed3cbc9cb1d14eeaa3f91f205694347db6d525486243565a98e7fb44469d4cacd39a476a061aa5500969538f97ad0

Download Submit
C:\Users\Admin\AppData\Roaming\Remote Utilities Agent\70120\C3B2BB3603\rutserv.exe

Filesize
19.6MB

MD5
21c7ef02914ab2c0eb555287f844c5ce

SHA1
05620f3523b1c7706b39d1a594e8a7f754ed80a7

SHA256
67fcbe4a6f2599d6899654a05f66d8a2846ed50de51171f7d7315c055f76aef7

SHA512
f30f9eec09c648521fc69ed32f893ecc402ed3cbc9cb1d14eeaa3f91f205694347db6d525486243565a98e7fb44469d4cacd39a476a061aa5500969538f97ad0

Download Submit
C:\Users\Admin\AppData\Roaming\Remote Utilities Agent\70120\C3B2BB3603\settings.dat

Filesize
10KB

MD5
d69e08f90bda905d23b40b06dc7eaeeb

SHA1
0ea7a113e325e566e2aa35e728b43796a4756369

SHA256
c230c5ea98bbc867b62f78d538989cf8a6b5bd102ab0d9572a0f480efe8d4043

SHA512
1fe7aeb5821fb2537d06ac6cf7e124a3f5ee002afff5bb6233ee90ca374c4f5e57962325804014b76326f49fca6a950225782594414b65750523e51302ba1aa3

Download Submit
C:\Users\Admin\AppData\Roaming\Remote Utilities Agent\70120\C3B2BB3603\ssleay32.dll

Filesize
337KB

MD5
fe6d8feaeae983513e0a9a223604041b

SHA1
efa54892735d331a24b707068040e5a697455cee

SHA256
af029ac96a935594de92f771ef86c3e92fe22d08cb78ebf815cbfd4ef0cb94b0

SHA512
a78b1643c9ea02004aabefc9c72d418ee3292edb63a90002608ac02ad4e1a92d86b0fc95e66d6d4b49404c1fc75845d0e6262821b6052ab037b4542fcaf2047d

Download Submit
C:\Users\Admin\AppData\Roaming\Remote Utilities Agent\70120\C3B2BB3603\ssleay32.dll

Filesize
337KB

MD5
fe6d8feaeae983513e0a9a223604041b

SHA1
efa54892735d331a24b707068040e5a697455cee

SHA256
af029ac96a935594de92f771ef86c3e92fe22d08cb78ebf815cbfd4ef0cb94b0

SHA512
a78b1643c9ea02004aabefc9c72d418ee3292edb63a90002608ac02ad4e1a92d86b0fc95e66d6d4b49404c1fc75845d0e6262821b6052ab037b4542fcaf2047d

Download Submit
C:\Users\Admin\AppData\Roaming\Remote Utilities Agent\70120\C3B2BB3603\ssleay32.dll

Filesize
337KB

MD5
fe6d8feaeae983513e0a9a223604041b

SHA1
efa54892735d331a24b707068040e5a697455cee

SHA256
af029ac96a935594de92f771ef86c3e92fe22d08cb78ebf815cbfd4ef0cb94b0

SHA512
a78b1643c9ea02004aabefc9c72d418ee3292edb63a90002608ac02ad4e1a92d86b0fc95e66d6d4b49404c1fc75845d0e6262821b6052ab037b4542fcaf2047d

Download Submit
C:\Users\Admin\AppData\Roaming\Remote Utilities Agent\70120\C3B2BB3603\vp8decoder.dll

Filesize
380KB

MD5
41acd8b6d9d80a61f2f686850e3d676a

SHA1
38428a08915cf72dd2eca25b3d87613d9aa027dd

SHA256
36993fc3312ce757c8adeca3e5969e1fcc11d5b51b12c458ba8d54d73b64d4e7

SHA512
d174638965ec781cbcb2927ceafb295c3176dc78da8938467faca3e512a42fe71a9dc1070f23e1c95f0b7c157fff3b00a8b572c39e4670713564f1310360ed23

Download Submit
C:\Users\Admin\AppData\Roaming\Remote Utilities Agent\70120\C3B2BB3603\vp8encoder.dll

Filesize
1.6MB

MD5
2ac39d6990170ca37a735f2f15f970e8

SHA1
8148a9cdc6b3fe6492281ebad79636433a6064ab

SHA256
0961d83cb25e1a50d5c0ec2f9fb0d17f2504dae0b22a865f6e1ea8e987e1c6fa

SHA512
7e30fde909d5f8efd6c2e40e125525697267273163ac35cf53561a2bd32e5dad8e4fba32905f53e422c9c73b8ad9a0c151f8d36042c5f156b50bf42dc21a9cee

Download Submit
C:\Users\Admin\AppData\Roaming\Remote Utilities Agent\70120\C3B2BB3603\webmmux.dll

Filesize
260KB

MD5
8a683f90a78778fba037565588a6f752

SHA1
011939c1fa7b73272db340c32386a13e140adc6a

SHA256
bd520007864b44e0bda7a466384d12c3c3f328326cf3549ba1853a58ccdbc99d

SHA512
9280fbb121f8b94f57560d1be3bcfe5e7c308d54dac278f13ea6c00256444fb9f17f543dd0d32c9844460818c1a50d83b26ce51c79698e9ca7a304652a3f5ea9

Download Submit
C:\Users\Admin\AppData\Roaming\Remote Utilities Agent\70120\C3B2BB3603\webmvorbisdecoder.dll

Filesize
365KB

MD5
c9d412c1d30abb9d61151a10371f4140

SHA1
87120faa6b859f5e23f7344f9547b2fc228af15b

SHA256
f3465ce8a23db5e8228eed5a60a6f7a096d1a9adf3012c39bc6d81d4e57e8e9e

SHA512
1c020afa89cdae55f4dcb80a455dc1b352f40455142f3947ed29c3e3d51fbd465b6e0ea16cd103186c252783a3f2a7f7c417e4df5727d9b2db511b650308face

Download Submit
C:\Users\Admin\AppData\Roaming\Remote Utilities Agent\70120\C3B2BB3603\webmvorbisencoder.dll

Filesize
860KB

MD5
a59f69797c42324540e26c7c7998c18c

SHA1
7f7bc5bc62a8744f87a7d2e30cc6dd74c72e19b4

SHA256
83e1c1eb55bfd0f2d85d41c1e4dee65046b064ccb263ec7f412a5f329c75cfd1

SHA512
837f244e6b70658974506ac35bd3ee2d413b89fe4b26e75f4a61cc7bec63e999c9c2cffb690ad567f74962bab13f2f5471300cd0e0cfe61bb1084072cb55c38b

Download Submit
memory/2552-132-0x0000000000400000-0x00000000028F7000-memory.dmp

Filesize
37.0MB

Download
memory/2552-136-0x0000000000400000-0x00000000028F7000-memory.dmp

Filesize
37.0MB

Download