lumma | 8cd33856bc6d80865b214213ea6d719d9ebcfcb1beab3e53bfef325c8f12362f

Resubmissions

01/09/2024, 16:17

240901-trljeswakm 5

01/09/2024, 16:16

240901-tq323swemd 10

Analysis

max time kernel
90s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
01/09/2024, 16:16

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Report Analysis Logs

General

Target

LC_Installer/LC_Installer.exe
Size

927KB
MD5

223f8d7ce6fef252c12985c795698333
SHA1

07cee560bf7b8cb4cbf522d6cb30b686ed137ed4
SHA256

adeb173b6a0205dd84ccbf9c412d202e2f8edb8e45746713d1bca4ada5931418
SHA512

55d373d3de8b7f8e39f6e2c972c3bcc1eaddd8b7683a013bbda28f092ea4fdff8cef1ad3a7b8d4cc9938cddc2a1cd07f6495762fc5c7e45b7003e2c2c6f4fcd0
SSDEEP

24576:mg3rUdQCCrEF2lvCHwJNTXC4F5WnYBoFdURuYhDIOBmyajRmt:mqrhrEF2lvCHANunYBkUXhDIWIW

Score

10^/10

lumma discovery stealer

Malware Config

Extracted

Family

lumma

https://tenntysjuxmz.shop/api

Signatures

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4756 set thread context of 936	4756	LC_Installer.exe	87

System Location Discovery: System Language Discovery 1 TTPs 2 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	LC_Installer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4756 wrote to memory of 936	4756	LC_Installer.exe	87
PID 4756 wrote to memory of 936	4756	LC_Installer.exe	87
PID 4756 wrote to memory of 936	4756	LC_Installer.exe	87
PID 4756 wrote to memory of 936	4756	LC_Installer.exe	87
PID 4756 wrote to memory of 936	4756	LC_Installer.exe	87
PID 4756 wrote to memory of 936	4756	LC_Installer.exe	87
PID 4756 wrote to memory of 936	4756	LC_Installer.exe	87
PID 4756 wrote to memory of 936	4756	LC_Installer.exe	87
PID 4756 wrote to memory of 936	4756	LC_Installer.exe	87

C:\Users\Admin\AppData\Local\Temp\LC_Installer\LC_Installer.exe
"C:\Users\Admin\AppData\Local\Temp\LC_Installer\LC_Installer.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4756
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:936

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/936-1-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/936-3-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/936-4-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/936-5-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/4756-0-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download