lumma | cc95c0db419de3ca25709f4c1abc74ebdb72947b1d4d7e35b4ab6c36ffdee484

Analysis

max time kernel
121s
max time network
124s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25/02/2025, 22:21

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General

Target

quarantine/MegVlau.exe
Size

349KB
MD5

936f4b47e08ca09483ca85f7b901eb0f
SHA1

3b44a49e818bbbbafe8a5a41ef6a055c9e9200fd
SHA256

fad4e974cc163c386e77091efb9bbffab7f5ea4559c111baaee9954f8b3e3ce1
SHA512

62e29469021d17c0bf28548265911bb28148ca2602e0b237183e08d4b7681a1031d2600a8518e6effd38a63ba0220d7aa926edcfdd6d8ecf26968418d20b9cef
SSDEEP

6144:3HYaosINWXFGYJabd0UyB8kOKWAKo1Ze7OwEK/MNt8lEdgxbuZm/uPEtCfwoZIEO:3HH9INsFF4R0UyBSKW0lK/MNWqdgJuY5

Score

10^/10

lumma discovery spyware stealer

Malware Config

Extracted

Family

lumma

https://paleboreei.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
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 2464 set thread context of 2284	2464	MegVlau.exe	31

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3008	2464	WerFault.exe	30

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

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2284	MegVlau.exe
2284	MegVlau.exe
2284	MegVlau.exe
2284	MegVlau.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2464 wrote to memory of 2284	2464	MegVlau.exe	31
PID 2464 wrote to memory of 2284	2464	MegVlau.exe	31
PID 2464 wrote to memory of 2284	2464	MegVlau.exe	31
PID 2464 wrote to memory of 2284	2464	MegVlau.exe	31
PID 2464 wrote to memory of 2284	2464	MegVlau.exe	31
PID 2464 wrote to memory of 2284	2464	MegVlau.exe	31
PID 2464 wrote to memory of 2284	2464	MegVlau.exe	31
PID 2464 wrote to memory of 2284	2464	MegVlau.exe	31
PID 2464 wrote to memory of 2284	2464	MegVlau.exe	31
PID 2464 wrote to memory of 2284	2464	MegVlau.exe	31
PID 2464 wrote to memory of 3008	2464	MegVlau.exe	32
PID 2464 wrote to memory of 3008	2464	MegVlau.exe	32
PID 2464 wrote to memory of 3008	2464	MegVlau.exe	32
PID 2464 wrote to memory of 3008	2464	MegVlau.exe	32

C:\Users\Admin\AppData\Local\Temp\quarantine\MegVlau.exe
"C:\Users\Admin\AppData\Local\Temp\quarantine\MegVlau.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2464
- C:\Users\Admin\AppData\Local\Temp\quarantine\MegVlau.exe
  "C:\Users\Admin\AppData\Local\Temp\quarantine\MegVlau.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:2284
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2464 -s 504
  2⤵
  - Program crash
  PID:3008

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

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/2284-7-0x0000000000400000-0x000000000045E000-memory.dmp

Filesize
376KB

Download
memory/2284-15-0x0000000000400000-0x000000000045E000-memory.dmp

Filesize
376KB

Download
memory/2284-4-0x0000000000400000-0x000000000045E000-memory.dmp

Filesize
376KB

Download
memory/2284-10-0x0000000000400000-0x000000000045E000-memory.dmp

Filesize
376KB

Download
memory/2284-8-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2284-12-0x0000000000400000-0x000000000045E000-memory.dmp

Filesize
376KB

Download
memory/2284-5-0x0000000000400000-0x000000000045E000-memory.dmp

Filesize
376KB

Download
memory/2284-6-0x0000000000400000-0x000000000045E000-memory.dmp

Filesize
376KB

Download
memory/2284-14-0x0000000000400000-0x000000000045E000-memory.dmp

Filesize
376KB

Download
memory/2284-3-0x0000000000400000-0x000000000045E000-memory.dmp

Filesize
376KB

Download
memory/2464-13-0x0000000074E90000-0x000000007557E000-memory.dmp

Filesize
6.9MB

Download
memory/2464-1-0x0000000000800000-0x000000000085C000-memory.dmp

Filesize
368KB

Download
memory/2464-0-0x0000000074E9E000-0x0000000074E9F000-memory.dmp

Filesize
4KB

Download
memory/2464-16-0x0000000074E90000-0x000000007557E000-memory.dmp

Filesize
6.9MB

Download