rms | d33b0bce0ea5e62ba7480d8e150e021bf9151f5308400dac01a133fa4a94cbba

Analysis

max time kernel
152s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-en-20220113
submitted
14-03-2022 19:27

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General

Target

04c8196c86c206783bdb7ab846534328.exe
Size

15.1MB
MD5

04c8196c86c206783bdb7ab846534328
SHA1

949bbc7eb298f29fc39beb5297fde49ab9175950
SHA256

d33b0bce0ea5e62ba7480d8e150e021bf9151f5308400dac01a133fa4a94cbba
SHA512

e4968310b99251e509d367d0e25f642c957de523b4635165f0e4d01fc8c849c8724d1f78f6b329f12d66f54618e693d4992fd24c9773348ae27aac4b9ea8e580

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

Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs

description	pid	Process	procid_target
PID 720 created 1056	720	svchost.exe	84

Executes dropped EXE 4 IoCs

pid	Process
1316	rfusclient.exe
1056	rutserv.exe
1784	rutserv.exe
3696	rfusclient.exe

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-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation	rfusclient.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation	04c8196c86c206783bdb7ab846534328.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation	rfusclient.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation	rutserv.exe

Loads dropped DLL 4 IoCs

pid	Process
1056	rutserv.exe
1056	rutserv.exe
1784	rutserv.exe
1784	rutserv.exe

Drops file in System32 directory 12 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\378B079587A9184B2E2AB859CB263F40_524AD1B9B08D3C6450727265AE77B7D2	rutserv.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\378B079587A9184B2E2AB859CB263F40_524AD1B9B08D3C6450727265AE77B7D2	rutserv.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\C86BD7751D53F10F65AAAD66BBDF33C7	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\77EC63BDA74BD0D0E0426DC8F8008506	rutserv.exe
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\77EC63BDA74BD0D0E0426DC8F8008506	rutserv.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8EB35376744F392396307460D546222D_5CEF6F51E318C288850DB2D9275D6665	rutserv.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\8EB35376744F392396307460D546222D_5CEF6F51E318C288850DB2D9275D6665	rutserv.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\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 42 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates	rutserv.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root	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\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing	rutserv.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs	rutserv.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs	rutserv.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\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\CTLs	rutserv.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA	rutserv.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs	rutserv.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople	rutserv.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust	rutserv.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates	rutserv.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust	rutserv.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA	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\Policies\Microsoft\SystemCertificates\Disallowed\Certificates	rutserv.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates	rutserv.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs	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\CTLs	rutserv.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs	rutserv.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs	rutserv.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates	rutserv.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs	rutserv.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates	rutserv.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs	rutserv.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot	rutserv.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople	rutserv.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs	rutserv.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\My	rutserv.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed	rutserv.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed	rutserv.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs	rutserv.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\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\trust\CRLs	rutserv.exe

Modifies system certificate store 2 TTPs 7 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\0563B8630D62D75ABBC8AB1E4BDFB5A899B24D43	rutserv.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\0563B8630D62D75ABBC8AB1E4BDFB5A899B24D43\Blob = 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	rutserv.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\0563B8630D62D75ABBC8AB1E4BDFB5A899B24D43\Blob = 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	rutserv.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\0563B8630D62D75ABBC8AB1E4BDFB5A899B24D43\Blob = 5c000000010000000400000000080000190000000100000010000000749966cecc95c1874194ca7203f9b6200300000001000000140000000563b8630d62d75abbc8ab1e4bdfb5a899b24d431d00000001000000100000004f5f106930398d09107b40c3c7ca8f1c0b000000010000001200000044006900670069004300650072007400000014000000010000001400000045eba2aff492cb82312d518ba7a7219df36dc80f6200000001000000200000003e9099b5015e8f486c00bcea9d111ee721faba355a89bcf1df69561e3dc6325c090000000100000034000000303206082b0601050507030206082b0601050507030306082b0601050507030406082b0601050507030106082b06010505070308530000000100000040000000303e301f06096086480186fd6c020130123010060a2b0601040182373c0101030200c0301b060567810c010330123010060a2b0601040182373c0101030200c00f00000001000000140000006dca5bd00dcf1c0f327059d374b29ca6e3c50aa604000000010000001000000087ce0b7b2a0e4900e158719b37a893722000000001000000bb030000308203b73082029fa00302010202100ce7e0e517d846fe8fe560fc1bf03039300d06092a864886f70d01010505003065310b300906035504061302555331153013060355040a130c446967694365727420496e6331193017060355040b13107777772e64696769636572742e636f6d312430220603550403131b4469676943657274204173737572656420494420526f6f74204341301e170d3036313131303030303030305a170d3331313131303030303030305a3065310b300906035504061302555331153013060355040a130c446967694365727420496e6331193017060355040b13107777772e64696769636572742e636f6d312430220603550403131b4469676943657274204173737572656420494420526f6f7420434130820122300d06092a864886f70d01010105000382010f003082010a0282010100ad0e15cee443805cb187f3b760f97112a5aedc269488aaf4cef520392858600cf880daa9159532613cb5b128848a8adc9f0a0c83177a8f90ac8ae779535c31842af60f98323676ccdedd3ca8a2ef6afb21f25261df9f20d71fe2b1d9fe1864d2125b5ff9581835bc47cda136f96b7fd4b0383ec11bc38c33d9d82f18fe280fb3a783d6c36e44c061359616fe599c8b766dd7f1a24b0d2bff0b72da9e60d08e9035c678558720a1cfe56d0ac8497c3198336c22e987d0325aa2ba138211ed39179d993a72a1e6faa4d9d5173175ae857d22ae3f014686f62879c8b1dae45717c47e1c0eb0b492a656b3bdb297edaaa7f0b7c5a83f9516d0ffa196eb085f18774f0203010001a3633061300e0603551d0f0101ff040403020186300f0603551d130101ff040530030101ff301d0603551d0e0416041445eba2aff492cb82312d518ba7a7219df36dc80f301f0603551d2304183016801445eba2aff492cb82312d518ba7a7219df36dc80f300d06092a864886f70d01010505000382010100a20ebcdfe2edf0e372737a6494bff77266d832e4427562ae87ebf2d5d9de56b39fccce1428b90d97605c124c58e4d33d834945589735691aa847ea56c679ab12d8678184df7f093c94e6b8262c20bd3db32889f75fff22e297841fe965ef87e0dfc16749b35debb2092aeb26ed78be7d3f2bf3b726356d5f8901b6495b9f01059bab3d25c1ccb67fc2f16f86c6fa6468eb812d94eb42b7fa8c1edd62f1be5067b76cbdf3f11f6b0c3607167f377ca95b6d7af112466083d72704be4bce97bec3672a6811df80e70c3366bf130d146ef37f1f63101efa8d1b256d6c8fa5b76101b1d2a326a110719dade2c3f9c39951b72b0708ce2ee650b2a7fa0a452fa2f0f2	rutserv.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\91C6D6EE3E8AC86384E548C299295C756C817B81	rutserv.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\91C6D6EE3E8AC86384E548C299295C756C817B81\Blob = 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	rutserv.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\91C6D6EE3E8AC86384E548C299295C756C817B81\Blob = 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	rutserv.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1316	rfusclient.exe
1316	rfusclient.exe
1056	rutserv.exe
1056	rutserv.exe
1056	rutserv.exe
1056	rutserv.exe
1056	rutserv.exe
1056	rutserv.exe
1056	rutserv.exe
1056	rutserv.exe
1784	rutserv.exe
1784	rutserv.exe
1784	rutserv.exe
1784	rutserv.exe
1784	rutserv.exe
1784	rutserv.exe
1784	rutserv.exe
1784	rutserv.exe
3696	rfusclient.exe
3696	rfusclient.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	1056	rutserv.exe
Token: SeTcbPrivilege	720	svchost.exe
Token: SeTcbPrivilege	720	svchost.exe
Token: SeTakeOwnershipPrivilege	1784	rutserv.exe
Token: SeTcbPrivilege	1784	rutserv.exe
Token: SeTcbPrivilege	1784	rutserv.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3696	rfusclient.exe
3696	rfusclient.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
3696	rfusclient.exe
3696	rfusclient.exe

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
1056	rutserv.exe
1056	rutserv.exe
1056	rutserv.exe
1056	rutserv.exe
1784	rutserv.exe
1784	rutserv.exe
1784	rutserv.exe
1784	rutserv.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 744 wrote to memory of 1316	744	04c8196c86c206783bdb7ab846534328.exe	81
PID 744 wrote to memory of 1316	744	04c8196c86c206783bdb7ab846534328.exe	81
PID 744 wrote to memory of 1316	744	04c8196c86c206783bdb7ab846534328.exe	81
PID 1316 wrote to memory of 1056	1316	rfusclient.exe	84
PID 1316 wrote to memory of 1056	1316	rfusclient.exe	84
PID 1316 wrote to memory of 1056	1316	rfusclient.exe	84
PID 720 wrote to memory of 1784	720	svchost.exe	87
PID 720 wrote to memory of 1784	720	svchost.exe	87
PID 720 wrote to memory of 1784	720	svchost.exe	87
PID 1784 wrote to memory of 3696	1784	rutserv.exe	91
PID 1784 wrote to memory of 3696	1784	rutserv.exe	91
PID 1784 wrote to memory of 3696	1784	rutserv.exe	91

C:\Users\Admin\AppData\Local\Temp\04c8196c86c206783bdb7ab846534328.exe
"C:\Users\Admin\AppData\Local\Temp\04c8196c86c206783bdb7ab846534328.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:744
- C:\Users\Admin\AppData\Roaming\RMS Agent\70001\4F2A842DE2\rfusclient.exe
  "C:\Users\Admin\AppData\Roaming\RMS Agent\70001\4F2A842DE2\rfusclient.exe" -run_agent
  2⤵
  - Executes dropped EXE
  - Checks computer location settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1316
- - C:\Users\Admin\AppData\Roaming\RMS Agent\70001\4F2A842DE2\rutserv.exe
    "C:\Users\Admin\AppData\Roaming\RMS Agent\70001\4F2A842DE2\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:1056
  - - C:\Users\Admin\AppData\Roaming\RMS Agent\70001\4F2A842DE2\rutserv.exe
      "C:\Users\Admin\AppData\Roaming\RMS Agent\70001\4F2A842DE2\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:1784
    - - C:\Users\Admin\AppData\Roaming\RMS Agent\70001\4F2A842DE2\rfusclient.exe
        
        "C:\Users\Admin\AppData\Roaming\RMS Agent\70001\4F2A842DE2\rfusclient.exe" /tray /user
        5⤵
        Executes dropped EXE
        Checks computer location settings
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of FindShellTrayWindow
        Suspicious use of SendNotifyMessage
        
        PID:3696

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:720

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

memory/744-130-0x0000000002590000-0x0000000002591000-memory.dmp

Filesize
4KB

Download
memory/1056-142-0x0000000004E90000-0x0000000004E91000-memory.dmp

Filesize
4KB

Download
memory/1056-141-0x0000000003800000-0x0000000003801000-memory.dmp

Filesize
4KB

Download
memory/1056-136-0x0000000001D90000-0x0000000001D91000-memory.dmp

Filesize
4KB

Download
memory/1316-134-0x00000000047E0000-0x00000000047E1000-memory.dmp

Filesize
4KB

Download
memory/1784-166-0x00000000060E0000-0x00000000060E1000-memory.dmp

Filesize
4KB

Download
memory/1784-167-0x0000000006230000-0x0000000006231000-memory.dmp

Filesize
4KB

Download
memory/1784-157-0x0000000005120000-0x0000000005121000-memory.dmp

Filesize
4KB

Download
memory/1784-156-0x0000000005080000-0x0000000005081000-memory.dmp

Filesize
4KB

Download
memory/1784-162-0x0000000005180000-0x0000000005181000-memory.dmp

Filesize
4KB

Download
memory/1784-163-0x00000000058A0000-0x00000000058A1000-memory.dmp

Filesize
4KB

Download
memory/1784-164-0x00000000058B0000-0x00000000058B1000-memory.dmp

Filesize
4KB

Download
memory/1784-146-0x0000000004DB0000-0x0000000004DB1000-memory.dmp

Filesize
4KB

Download
memory/1784-165-0x00000000058C0000-0x00000000058C1000-memory.dmp

Filesize
4KB

Download
memory/1784-158-0x0000000005150000-0x0000000005151000-memory.dmp

Filesize
4KB

Download
memory/1784-175-0x00000000086D0000-0x00000000086D1000-memory.dmp

Filesize
4KB

Download
memory/1784-174-0x0000000008700000-0x0000000008701000-memory.dmp

Filesize
4KB

Download
memory/1784-173-0x00000000050B0000-0x00000000050B1000-memory.dmp

Filesize
4KB

Download
memory/1784-172-0x00000000050A0000-0x00000000050A1000-memory.dmp

Filesize
4KB

Download
memory/3696-171-0x0000000004D60000-0x0000000004D61000-memory.dmp

Filesize
4KB

Download
memory/3696-170-0x00000000047C0000-0x00000000047C1000-memory.dmp

Filesize
4KB

Download
memory/3696-169-0x00000000047A0000-0x00000000047A1000-memory.dmp

Filesize
4KB

Download
memory/3696-168-0x0000000001470000-0x0000000001471000-memory.dmp

Filesize
4KB

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