lumma | 76329179e59265943bcded2afa641b2ab7991cb46ec56aaa6338d4ab455c4098

Analysis

max time kernel
148s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20250129-en
resource tags

arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
submitted
30/01/2025, 19:40

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General

Target

Installer.exe
Size

534KB
MD5

3e0425febb1dab14a9c10b27bbba983a
SHA1

95c4e5e0434161282e2c814910c7d31078c07ad7
SHA256

76329179e59265943bcded2afa641b2ab7991cb46ec56aaa6338d4ab455c4098
SHA512

0414066a1d1e66db4e0c713679ba18b868a75652a2a415e1a7af5fc4bede762a3c33f7112d1f9fb67c78b2af533d51c3a3b7b2fe8cc54918b1049d6b8d2696c3
SSDEEP

12288:CZkEb6EcwNbyvi1bWSKAMZpGiac5D3YM8hOe96NMyuhVbN6G:AbyvmWSKADiaA3YjEe96NM5Vh

Score

10^/10

lumma discovery stealer

Malware Config

Extracted

Family

lumma

https://toppyneedus.biz/api

Signatures

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3728 set thread context of 3792	3728	Installer.exe	85

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3308	3728	WerFault.exe	81

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	Installer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Installer.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3728 wrote to memory of 3792	3728	Installer.exe	85
PID 3728 wrote to memory of 3792	3728	Installer.exe	85
PID 3728 wrote to memory of 3792	3728	Installer.exe	85
PID 3728 wrote to memory of 3792	3728	Installer.exe	85
PID 3728 wrote to memory of 3792	3728	Installer.exe	85
PID 3728 wrote to memory of 3792	3728	Installer.exe	85
PID 3728 wrote to memory of 3792	3728	Installer.exe	85
PID 3728 wrote to memory of 3792	3728	Installer.exe	85
PID 3728 wrote to memory of 3792	3728	Installer.exe	85

C:\Users\Admin\AppData\Local\Temp\Installer.exe
"C:\Users\Admin\AppData\Local\Temp\Installer.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3728
- C:\Users\Admin\AppData\Local\Temp\Installer.exe
  "C:\Users\Admin\AppData\Local\Temp\Installer.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3792
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3728 -s 820
  2⤵
  - Program crash
  PID:3308

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3728 -ip 3728
1⤵
PID:4648

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/3728-0-0x0000000074F3E000-0x0000000074F3F000-memory.dmp

Filesize
4KB

Download
memory/3728-1-0x00000000008E0000-0x000000000096E000-memory.dmp

Filesize
568KB

Download
memory/3728-2-0x0000000005820000-0x0000000005DC4000-memory.dmp

Filesize
5.6MB

Download
memory/3728-7-0x0000000074F30000-0x00000000756E0000-memory.dmp

Filesize
7.7MB

Download
memory/3792-4-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/3792-6-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/3792-8-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download