rms | b85e59758c47baf143b97d5bfd523c9a5a7a2d9f82c2f0ba0150ed2172d8e656

Analysis

max time kernel
149s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
08/09/2024, 01:34

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General

Target
413af64238d7985f1749cb5903bac8e17a58d37408488992d40247b42fcffbc7.exe
Size 16.9MB
Sample240908-bza4jsxbkn
SHA256 413af64238d7985f1749cb5903bac8e17a58d37408488992d40247b42fcffbc7
MD5 8447cd76c56cb7c13dc31d3aaadff615
SHA1 0b2d53a0699add6ad76c5141eeb67ac77277cd14
SHA512 666a8d64a5815e9fedb568db02ce31c7f7e76764503976cfa1301fbc70cef7c37dacf3e00d957227f745e4bc96b6fa8bda10fb418ddcf9ce12564f9e55a1f590
SSDEEP 393216:p5JgVAku1srrXq2YczV7xxdTgKzmes9mK:HeApu7zV7dTgUmeUT
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

rms discovery rat trojan upx

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 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-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation	413af64238d7985f1749cb5903bac8e17a58d37408488992d40247b42fcffbc7.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation	rfusclient.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation	rutserv.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation	rfusclient.exe

Executes dropped EXE 4 IoCs

pid	Process
3468	rfusclient.exe
5096	rutserv.exe
1212	rutserv.exe
1520	rfusclient.exe

Loads dropped DLL 4 IoCs

pid	Process
5096	rutserv.exe
5096	rutserv.exe
1212	rutserv.exe
1212	rutserv.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3148-0-0x0000000000400000-0x00000000028EB000-memory.dmp	upx
behavioral2/memory/3148-69-0x0000000000400000-0x00000000028EB000-memory.dmp	upx

Drops file in System32 directory 8 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\CryptnetUrlCache\Content\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

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	413af64238d7985f1749cb5903bac8e17a58d37408488992d40247b42fcffbc7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rfusclient.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rutserv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rutserv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rfusclient.exe

Modifies data under HKEY_USERS 45 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs	rutserv.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust	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
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs	rutserv.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\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\Disallowed\CRLs	rutserv.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root	rutserv.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates	rutserv.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates	rutserv.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs	rutserv.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates	rutserv.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs	rutserv.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA	rutserv.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs	rutserv.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed	rutserv.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs	rutserv.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates	rutserv.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople	rutserv.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@C:\Windows\system32\windows.storage.dll,-9216 = "This PC"	rutserv.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@C:\Windows\system32\NetworkExplorer.dll,-1 = "Network"	rutserv.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed	rutserv.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs	rutserv.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs	rutserv.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs	rutserv.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs	rutserv.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates	rutserv.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates	rutserv.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA	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\SmartCardRoot	rutserv.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\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	rutserv.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs	rutserv.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs	rutserv.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates	rutserv.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs	rutserv.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs	rutserv.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs	rutserv.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates	rutserv.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs	rutserv.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@C:\Windows\system32\ieframe.dll,-5723 = "The Internet"	rutserv.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@C:\Windows\system32\prnfldr.dll,-8036 = "Printers"	rutserv.exe

Modifies system certificate store 2 TTPs 3 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

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

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3468	rfusclient.exe
3468	rfusclient.exe
5096	rutserv.exe
5096	rutserv.exe
5096	rutserv.exe
5096	rutserv.exe
5096	rutserv.exe
5096	rutserv.exe
5096	rutserv.exe
5096	rutserv.exe
1212	rutserv.exe
1212	rutserv.exe
1212	rutserv.exe
1212	rutserv.exe
1212	rutserv.exe
1212	rutserv.exe
1212	rutserv.exe
1212	rutserv.exe
1520	rfusclient.exe
1520	rfusclient.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	5096	rutserv.exe
Token: SeTakeOwnershipPrivilege	1212	rutserv.exe
Token: SeTcbPrivilege	1212	rutserv.exe
Token: SeTcbPrivilege	1212	rutserv.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1520	rfusclient.exe
1520	rfusclient.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1520	rfusclient.exe
1520	rfusclient.exe

Suspicious use of SetWindowsHookEx 9 IoCs

pid	Process
5096	rutserv.exe
5096	rutserv.exe
5096	rutserv.exe
5096	rutserv.exe
1212	rutserv.exe
1212	rutserv.exe
1212	rutserv.exe
1212	rutserv.exe
1212	rutserv.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3148 wrote to memory of 3468	3148	413af64238d7985f1749cb5903bac8e17a58d37408488992d40247b42fcffbc7.exe	86
PID 3148 wrote to memory of 3468	3148	413af64238d7985f1749cb5903bac8e17a58d37408488992d40247b42fcffbc7.exe	86
PID 3148 wrote to memory of 3468	3148	413af64238d7985f1749cb5903bac8e17a58d37408488992d40247b42fcffbc7.exe	86
PID 3468 wrote to memory of 5096	3468	rfusclient.exe	87
PID 3468 wrote to memory of 5096	3468	rfusclient.exe	87
PID 3468 wrote to memory of 5096	3468	rfusclient.exe	87
PID 1212 wrote to memory of 1520	1212	rutserv.exe	95
PID 1212 wrote to memory of 1520	1212	rutserv.exe	95
PID 1212 wrote to memory of 1520	1212	rutserv.exe	95

C:\Users\Admin\AppData\Local\Temp\413af64238d7985f1749cb5903bac8e17a58d37408488992d40247b42fcffbc7.exe
"C:\Users\Admin\AppData\Local\Temp\413af64238d7985f1749cb5903bac8e17a58d37408488992d40247b42fcffbc7.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3148
- C:\Users\Admin\AppData\Roaming\Remote Utilities Agent\70120\74EC324139\rfusclient.exe
  "C:\Users\Admin\AppData\Roaming\Remote Utilities Agent\70120\74EC324139\rfusclient.exe" -run_agent
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:3468
- - C:\Users\Admin\AppData\Roaming\Remote Utilities Agent\70120\74EC324139\rutserv.exe
    "C:\Users\Admin\AppData\Roaming\Remote Utilities Agent\70120\74EC324139\rutserv.exe" -run_agent
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:5096
  - - C:\Users\Admin\AppData\Roaming\Remote Utilities Agent\70120\74EC324139\rutserv.exe
      "C:\Users\Admin\AppData\Roaming\Remote Utilities Agent\70120\74EC324139\rutserv.exe" -run_agent -second
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      Drops file in System32 directory
      System Location Discovery: System Language Discovery
      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:1212
    - - C:\Users\Admin\AppData\Roaming\Remote Utilities Agent\70120\74EC324139\rfusclient.exe
        
        "C:\Users\Admin\AppData\Roaming\Remote Utilities Agent\70120\74EC324139\rfusclient.exe" /tray /user
        5⤵
        Checks computer location settings
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of FindShellTrayWindow
        Suspicious use of SendNotifyMessage
        
        PID:1520

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Subvert Trust Controls

T1553

Install Root Certificate

T1553.004

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

EULA.rtf

Path C:\Users\Admin\AppData\Roaming\Remote Utilities Agent\70120\74EC324139\EULA.rtf
Size 69KB
SHA256 b137e38facdd1cdfc9730856675f4b531366d7af54b605209cb2158a58deb1ef
MD5 e6b99144ea133a583f2964fdaa0c514a
SHA1 a9ab6b4ad60bd60c798e9909be801dad725497de
SHA512 a4f6e9663163e7a85251e129983251698b2c98070d2044f6402804d92779d77e477cb63c703b72a6ea20e19fc0d443a2a4f7fcf9d181a1e0ef0c0276297bf072
SSDEEP 768:D//N2WF2Fn+MZXfpCjFwMVVKJeW/j6yfjdRZxDBJYinhFnDnlnSnAn9zSkqf/Bsn:D3N2AQFFYirDlSA9zSl/Bs19
MD5 SHA1 SHA512 SSDEEP

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eventmsg.dll

Path C:\Users\Admin\AppData\Roaming\Remote Utilities Agent\70120\74EC324139\eventmsg.dll
Size 51KB
SHA256 ccd5b9e5947f956e880bd2285a6091dc9f1ee9b0eb8df627ec4e72b451a1c745
MD5 ca8a4346b37cdd0220792885c5937b30
SHA1 eef05f4b7fb5f8aabfb93d10a6451cc77b489864
SHA512 c286b0fa9d24a85fe63d3a3d801f135d12409736742c4fc16ba1dc15529df136577dc8975736146437dd56467576fdedb4ac50cf05ab054547504f3dc5ca0c35
SSDEEP 768:tsmrWdCS5PvBHOUYTKJgr0OMpqdBwFrGjYdhXdsn:tza/pu/TKJ/OMpTryYvan
MD5 SHA1 SHA512 SSDEEP

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libeay32.dll

Path C:\Users\Admin\AppData\Roaming\Remote Utilities Agent\70120\74EC324139\libeay32.dll
Size 1.3MB
SHA256 7975ac81130ae8fe09caf6bef313c44fe064b67ed9205f0bd11ac165386e2f95
MD5 d9871a6ba02aacf3d51e6c168d9c6066
SHA1 42012a0116a9e8aed16c7298bd43cb1206a0f0cd
SHA512 ae9118dac893097cd0e388ce45ff76c26b99b1cc9aea59547cc1dedf00bfbaf575f3d05317fac2f3f8b5c97896f6080bea9a90425333dbf02013eb01a002e43f
SSDEEP 24576:SNaU+KpPikndiNfzN4jH3PlMQzMjYpOtJqTp/kqg1j:ilUfzN4jH3PlyjYpOLqd/kP1j
MD5 SHA1 SHA512 SSDEEP

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rfusclient.exe

Path C:\Users\Admin\AppData\Roaming\Remote Utilities Agent\70120\74EC324139\rfusclient.exe
Size 10.3MB
SHA256 5d98abca0c45a45d3308d6b86df7a4ad855eeb7ab2ab63bcf5541da973f8722b
MD5 aaf8ce35de73ae8277454e5d56c6ea3a
SHA1 917da0204367be210e65a4ad1848ab2c3ab9b545
SHA512 880a538912db42acc20ffef242c94d9a5d02047a2cfb4fa34ee04655666f1e0479ed318abc5dd43d8fbad60b9cf521448c82981bc5a62bcc8198e94a2750f561
SSDEEP 98304:/zbYXYItQHl8uRF8oTh/mVT/yTMDMfuNET7kZMclRUATZLoh5VMw1Npyb2JXkkOC:rbnQrjJ551e5V9eyJXTOvAdEed
MD5 SHA1 SHA512 SSDEEP

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rutserv.exe

Path C:\Users\Admin\AppData\Roaming\Remote Utilities Agent\70120\74EC324139\rutserv.exe
Size 19.6MB
SHA256 67fcbe4a6f2599d6899654a05f66d8a2846ed50de51171f7d7315c055f76aef7
MD5 21c7ef02914ab2c0eb555287f844c5ce
SHA1 05620f3523b1c7706b39d1a594e8a7f754ed80a7
SHA512 f30f9eec09c648521fc69ed32f893ecc402ed3cbc9cb1d14eeaa3f91f205694347db6d525486243565a98e7fb44469d4cacd39a476a061aa5500969538f97ad0
SSDEEP 196608:6175nxvvnJgeXkCsnXbE6S2rdzp/s80yx/TDqYGGINxSwi8v1:61Nnxvf3XkVANgBGGsxtb
MD5 SHA1 SHA512 SSDEEP

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ssleay32.dll

Path C:\Users\Admin\AppData\Roaming\Remote Utilities Agent\70120\74EC324139\ssleay32.dll
Size 337KB
SHA256 af029ac96a935594de92f771ef86c3e92fe22d08cb78ebf815cbfd4ef0cb94b0
MD5 fe6d8feaeae983513e0a9a223604041b
SHA1 efa54892735d331a24b707068040e5a697455cee
SHA512 a78b1643c9ea02004aabefc9c72d418ee3292edb63a90002608ac02ad4e1a92d86b0fc95e66d6d4b49404c1fc75845d0e6262821b6052ab037b4542fcaf2047d
SSDEEP 6144:16MNzVTEz1LgXCpfoaDRQHojjYkARhcPL0U2pHGS5VdQ/TOEzrqArrpA1riT1Piw:16MNzVgz1LgXCpfoaDqHojjYkARqPL06
MD5 SHA1 SHA512 SSDEEP

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vp8decoder.dll

Path C:\Users\Admin\AppData\Roaming\Remote Utilities Agent\70120\74EC324139\vp8decoder.dll
Size 380KB
SHA256 36993fc3312ce757c8adeca3e5969e1fcc11d5b51b12c458ba8d54d73b64d4e7
MD5 41acd8b6d9d80a61f2f686850e3d676a
SHA1 38428a08915cf72dd2eca25b3d87613d9aa027dd
SHA512 d174638965ec781cbcb2927ceafb295c3176dc78da8938467faca3e512a42fe71a9dc1070f23e1c95f0b7c157fff3b00a8b572c39e4670713564f1310360ed23
SSDEEP 6144:lIIDyjBnydesbWoiwS7dVIclCzoqHO/gCaEkkH8TuX6RTrWD4siZMZ+LG4IPWwcS:lI8tiDOzyH9H8Tu6h04fZMZoMPuvfC
MD5 SHA1 SHA512 SSDEEP

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vp8encoder.dll

Path C:\Users\Admin\AppData\Roaming\Remote Utilities Agent\70120\74EC324139\vp8encoder.dll
Size 1.6MB
SHA256 0961d83cb25e1a50d5c0ec2f9fb0d17f2504dae0b22a865f6e1ea8e987e1c6fa
MD5 2ac39d6990170ca37a735f2f15f970e8
SHA1 8148a9cdc6b3fe6492281ebad79636433a6064ab
SHA512 7e30fde909d5f8efd6c2e40e125525697267273163ac35cf53561a2bd32e5dad8e4fba32905f53e422c9c73b8ad9a0c151f8d36042c5f156b50bf42dc21a9cee
SSDEEP 49152:mSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSvSSSSSSSSSSSSSSSlwwwwwwwwwwwwwwz:mSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSN
MD5 SHA1 SHA512 SSDEEP

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webmmux.dll

Path C:\Users\Admin\AppData\Roaming\Remote Utilities Agent\70120\74EC324139\webmmux.dll
Size 260KB
SHA256 bd520007864b44e0bda7a466384d12c3c3f328326cf3549ba1853a58ccdbc99d
MD5 8a683f90a78778fba037565588a6f752
SHA1 011939c1fa7b73272db340c32386a13e140adc6a
SHA512 9280fbb121f8b94f57560d1be3bcfe5e7c308d54dac278f13ea6c00256444fb9f17f543dd0d32c9844460818c1a50d83b26ce51c79698e9ca7a304652a3f5ea9
SSDEEP 3072:xW218gr7s2yIHB0pTPdTX9zUbEbStE97zjAs1RtTcJTfIv0se7POWu/HgsGU1VTY:xWSfr7sXSmPDbKPJ6/AsNk+S
MD5 SHA1 SHA512 SSDEEP

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webmvorbisdecoder.dll

Path C:\Users\Admin\AppData\Roaming\Remote Utilities Agent\70120\74EC324139\webmvorbisdecoder.dll
Size 365KB
SHA256 f3465ce8a23db5e8228eed5a60a6f7a096d1a9adf3012c39bc6d81d4e57e8e9e
MD5 c9d412c1d30abb9d61151a10371f4140
SHA1 87120faa6b859f5e23f7344f9547b2fc228af15b
SHA512 1c020afa89cdae55f4dcb80a455dc1b352f40455142f3947ed29c3e3d51fbd465b6e0ea16cd103186c252783a3f2a7f7c417e4df5727d9b2db511b650308face
SSDEEP 6144:RaoH9sDRlDLD0GDkEp00tc6TKUOmrRK1jRsAOO04sAO88RtL:loPH0GgEp0gVd1ValsQXsHL
MD5 SHA1 SHA512 SSDEEP

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webmvorbisencoder.dll

Path C:\Users\Admin\AppData\Roaming\Remote Utilities Agent\70120\74EC324139\webmvorbisencoder.dll
Size 860KB
SHA256 83e1c1eb55bfd0f2d85d41c1e4dee65046b064ccb263ec7f412a5f329c75cfd1
MD5 a59f69797c42324540e26c7c7998c18c
SHA1 7f7bc5bc62a8744f87a7d2e30cc6dd74c72e19b4
SHA512 837f244e6b70658974506ac35bd3ee2d413b89fe4b26e75f4a61cc7bec63e999c9c2cffb690ad567f74962bab13f2f5471300cd0e0cfe61bb1084072cb55c38b
SSDEEP 12288:vTAPYZEyRr+NDnaLyx2lz8MSjtX08pYRc29qcQmsGahsQZsbRN1:YYF+Eyx2lzujtEIYRc1cQmsGa7ON1
MD5 SHA1 SHA512 SSDEEP

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memory/1212-133-0x0000000000400000-0x0000000001868000-memory.dmp

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memory/1212-119-0x0000000000400000-0x0000000001868000-memory.dmp

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memory/1212-148-0x0000000000400000-0x0000000001868000-memory.dmp

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memory/1212-145-0x0000000000400000-0x0000000001868000-memory.dmp

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memory/1212-142-0x0000000000400000-0x0000000001868000-memory.dmp

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memory/1212-139-0x0000000000400000-0x0000000001868000-memory.dmp

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memory/1212-106-0x0000000000400000-0x0000000001868000-memory.dmp

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memory/1212-136-0x0000000000400000-0x0000000001868000-memory.dmp

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memory/1212-110-0x0000000000400000-0x0000000001868000-memory.dmp

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memory/1212-130-0x0000000000400000-0x0000000001868000-memory.dmp

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memory/1212-113-0x0000000000400000-0x0000000001868000-memory.dmp

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memory/1212-127-0x0000000000400000-0x0000000001868000-memory.dmp

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memory/1212-116-0x0000000000400000-0x0000000001868000-memory.dmp

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memory/1212-124-0x0000000000400000-0x0000000001868000-memory.dmp

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memory/1520-111-0x0000000000400000-0x0000000000EF8000-memory.dmp

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memory/1520-134-0x0000000000400000-0x0000000000EF8000-memory.dmp

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memory/1520-117-0x0000000000400000-0x0000000000EF8000-memory.dmp

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memory/1520-125-0x0000000000400000-0x0000000000EF8000-memory.dmp

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memory/1520-114-0x0000000000400000-0x0000000000EF8000-memory.dmp

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memory/1520-128-0x0000000000400000-0x0000000000EF8000-memory.dmp

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memory/1520-149-0x0000000000400000-0x0000000000EF8000-memory.dmp

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memory/1520-131-0x0000000000400000-0x0000000000EF8000-memory.dmp

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memory/1520-146-0x0000000000400000-0x0000000000EF8000-memory.dmp

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memory/1520-120-0x0000000000400000-0x0000000000EF8000-memory.dmp

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memory/1520-137-0x0000000000400000-0x0000000000EF8000-memory.dmp

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memory/1520-107-0x0000000000400000-0x0000000000EF8000-memory.dmp

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memory/1520-140-0x0000000000400000-0x0000000000EF8000-memory.dmp

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memory/1520-143-0x0000000000400000-0x0000000000EF8000-memory.dmp

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memory/3148-69-0x0000000000400000-0x00000000028EB000-memory.dmp

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memory/3148-0-0x0000000000400000-0x00000000028EB000-memory.dmp

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memory/3148-1-0x0000000002E00000-0x0000000002E01000-memory.dmp

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memory/3468-72-0x0000000000400000-0x0000000000EF8000-memory.dmp

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memory/3468-68-0x00000000047B0000-0x00000000047B1000-memory.dmp

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memory/5096-78-0x0000000000400000-0x0000000001868000-memory.dmp

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