lumma | 0d7db567df0c03f033db70107c7699d21fdc046d3b502160e45b6c26a7a5291d

Analysis

max time kernel
93s
max time network
126s
platform
windows10-2004_x64
resource
win10v2004-20250217-en
resource tags

arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
submitted
17/02/2025, 22:04

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General

Target

quarantine/monthdragon.exe
Size

345KB
MD5

3987c20fe280784090e2d464dd8bb61a
SHA1

22427e284b6d6473bacb7bc09f155ef2f763009c
SHA256

e9af37031ed124a76401405412fe2348dad28687ac8f25bf8a992299152bd6d9
SHA512

5419469496f663cedcfa4acc6d13018a8ee957a43ff53f6ffa5d30483480838e4873ff64d8879996a32d93c11e727f0dded16ca04ab2e942ed5376ba29b10018
SSDEEP

6144:IbuOXoQYLNnZXCHh+qF8tkT3CjqmeY0bE9ZPRrCSn+aoG0jQl:ICOYvLqoBEbsrCNkp

Score

10^/10

lumma discovery spyware stealer

Malware Config

Extracted

Family

lumma

https://mercharena.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
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials In Files
T1552.001
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1224 set thread context of 4364	1224	monthdragon.exe	84

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3672	1224	WerFault.exe	83

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

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4364	monthdragon.exe
4364	monthdragon.exe
4364	monthdragon.exe
4364	monthdragon.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1224 wrote to memory of 4364	1224	monthdragon.exe	84
PID 1224 wrote to memory of 4364	1224	monthdragon.exe	84
PID 1224 wrote to memory of 4364	1224	monthdragon.exe	84
PID 1224 wrote to memory of 4364	1224	monthdragon.exe	84
PID 1224 wrote to memory of 4364	1224	monthdragon.exe	84
PID 1224 wrote to memory of 4364	1224	monthdragon.exe	84
PID 1224 wrote to memory of 4364	1224	monthdragon.exe	84
PID 1224 wrote to memory of 4364	1224	monthdragon.exe	84
PID 1224 wrote to memory of 4364	1224	monthdragon.exe	84

C:\Users\Admin\AppData\Local\Temp\quarantine\monthdragon.exe
"C:\Users\Admin\AppData\Local\Temp\quarantine\monthdragon.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1224
- C:\Users\Admin\AppData\Local\Temp\quarantine\monthdragon.exe
  "C:\Users\Admin\AppData\Local\Temp\quarantine\monthdragon.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:4364
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1224 -s 956
  2⤵
  - Program crash
  PID:3672

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1224 -ip 1224
1⤵
PID:4044

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Browser Information Discovery

T1217

Query Registry

T1012

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1224-0-0x000000007489E000-0x000000007489F000-memory.dmp

Filesize
4KB

Download
memory/1224-1-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/1224-2-0x00000000051F0000-0x0000000005794000-memory.dmp

Filesize
5.6MB

Download
memory/1224-3-0x0000000074890000-0x0000000075040000-memory.dmp

Filesize
7.7MB

Download
memory/1224-8-0x0000000074890000-0x0000000075040000-memory.dmp

Filesize
7.7MB

Download
memory/4364-5-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/4364-7-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/4364-9-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/4364-43-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download