lumma | 9e1b70845f6c7fd5e5d6e2e2edfa1fb2c4f8f9aeece6d6bbff7b44f9054c9af0

General

Target

Prova de Violação de Direitos Autorais - TNH10.zip
Size

116.8MB
MD5

25eb216c54fe7304bbf6dddc84f64e15
SHA1

a62be5f08f1672d40ecf3c5ba0b71c095998ede7
SHA256

9e1b70845f6c7fd5e5d6e2e2edfa1fb2c4f8f9aeece6d6bbff7b44f9054c9af0
SHA512

f863fb22ad874f4e5dadf39f391d118f6273e635e99a6e1691c94fb800d1c9e8b4a349d8848a408ab73228c76e2fac83696a958a312298f0b686b51ea6c6ca12
SSDEEP

3145728:eaUy9WmBuj5V9/97h+8ZYqk/t5YVuxflmaKameBjn9NghzrvuI5KPxOb:ebbmtzm8/BhqrvuI5cOb

Score

10^/10

lumma discovery persistence stealer

Malware Config

Extracted

Family

lumma

C2

https://servicedny.site

https://authorisev.site

https://faulteyotk.site

https://dilemmadu.site

https://contemteny.site

https://goalyfeastz.site

https://opposezmny.site

https://seallysl.site

https://computeryrati.site

Signatures

Lumma Stealer, LummaC
Lumma or LummaC is an infostealer written in C++ first seen in August 2022.
stealer lumma
Lumma family
lumma

Executes dropped EXE 2 IoCs

pid	Process
3776	Prova de Violação de Direitos Autorais - TNH10.exe
1740	Prova de Violação de Direitos Autorais - TNH10.exe

Loads dropped DLL 1 IoCs

pid	Process
3776	Prova de Violação de Direitos Autorais - TNH10.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\*UpdaterCisco = "rundll32.exe C:\\Users\\Admin\\Documents\\AvivaUpdate_0001.dll,EntryPoint"	reg.exe

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Prova de Violação de Direitos Autorais - TNH10.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Prova de Violação de Direitos Autorais - TNH10.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\	7zFM.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	7zFM.exe

Opens file in notepad (likely ransom note) 1 IoCs

ransomware

pid	Process
4856	NOTEPAD.EXE

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4828	7zFM.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeRestorePrivilege	4828	7zFM.exe
Token: 35	4828	7zFM.exe
Token: SeSecurityPrivilege	4828	7zFM.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4828	7zFM.exe
4828	7zFM.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3776 wrote to memory of 1740	3776	Prova de Violação de Direitos Autorais - TNH10.exe	105
PID 3776 wrote to memory of 1740	3776	Prova de Violação de Direitos Autorais - TNH10.exe	105
PID 3776 wrote to memory of 1740	3776	Prova de Violação de Direitos Autorais - TNH10.exe	105
PID 3776 wrote to memory of 1740	3776	Prova de Violação de Direitos Autorais - TNH10.exe	105
PID 3776 wrote to memory of 1740	3776	Prova de Violação de Direitos Autorais - TNH10.exe	105
PID 3776 wrote to memory of 3528	3776	Prova de Violação de Direitos Autorais - TNH10.exe	107
PID 3776 wrote to memory of 3528	3776	Prova de Violação de Direitos Autorais - TNH10.exe	107
PID 3776 wrote to memory of 3528	3776	Prova de Violação de Direitos Autorais - TNH10.exe	107
PID 3528 wrote to memory of 5016	3528	cmd.exe	109
PID 3528 wrote to memory of 5016	3528	cmd.exe	109
PID 3528 wrote to memory of 5016	3528	cmd.exe	109

C:\Program Files\7-Zip\7zFM.exe
"C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\Prova de Violação de Direitos Autorais - TNH10.zip"
1⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:4828

C:\Windows\system32\NOTEPAD.EXE
"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\1099Misc.inf
1⤵
- Opens file in notepad (likely ransom note)
PID:4856

C:\Users\Admin\Desktop\Prova de Violação de Direitos Autorais - TNH10.exe
"C:\Users\Admin\Desktop\Prova de Violação de Direitos Autorais - TNH10.exe"
1⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3776
- C:\Users\Admin\Desktop\Prova de Violação de Direitos Autorais - TNH10.exe
  "C:\Users\Admin\Desktop\Prova de Violação de Direitos Autorais - TNH10.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1740
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /C reg add "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "*UpdaterCisco" /t REG_SZ /d "rundll32.exe C:\Users\Admin\Documents\AvivaUpdate_0001.dll",EntryPoint /f & exit
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3528
- - C:\Windows\SysWOW64\reg.exe
    reg add "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "*UpdaterCisco" /t REG_SZ /d "rundll32.exe C:\Users\Admin\Documents\AvivaUpdate_0001.dll",EntryPoint /f
    3⤵
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    PID:5016

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\Desktop\Prova de Violação de Direitos Autorais - TNH10.exe

Filesize
6.1MB

MD5
4864a55cff27f686023456a22371e790

SHA1
6ed30c0371fe167d38411bfa6d720fcdcacc4f4c

SHA256
08c7fb6067acc8ac207d28ab616c9ea5bc0d394956455d6a3eecb73f8010f7a2

SHA512
4bd3a16435cca6ce7a7aa829eb967619a8b7c02598474e634442cffc55935870d54d844a04496bf9c7e8c29c40fae59ac6eb39c8550c091d06a28211491d0bfb

Download Submit
memory/1740-20-0x0000000000A30000-0x0000000000A8E000-memory.dmp

Filesize
376KB

Download
memory/1740-15-0x0000000000A30000-0x0000000000A8E000-memory.dmp

Filesize
376KB

Download
memory/1740-22-0x0000000000A30000-0x0000000000A8E000-memory.dmp

Filesize
376KB

Download
memory/1740-23-0x0000000000A30000-0x0000000000A8E000-memory.dmp

Filesize
376KB

Download
memory/3776-11-0x0000000010000000-0x0000000012DB4000-memory.dmp

Filesize
45.7MB

Download
memory/3776-12-0x0000000010000000-0x0000000012DB4000-memory.dmp

Filesize
45.7MB

Download
memory/3776-13-0x0000000010000000-0x0000000012DB4000-memory.dmp

Filesize
45.7MB

Download
memory/3776-14-0x0000000010000000-0x0000000012DB4000-memory.dmp

Filesize
45.7MB

Download
memory/3776-16-0x0000000010000000-0x0000000012DB4000-memory.dmp

Filesize
45.7MB

Download
memory/3776-17-0x0000000010000000-0x0000000012DB4000-memory.dmp

Filesize
45.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads