lumma | d7e4f8af935f52cbbcd311c07ec66b2ec5c7d5952dbf7b8e1414ff6795b7527f

Analysis

max time kernel
90s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
28/01/2025, 19:12

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General

Target

MasterKey_Pro_v2.6.exe
Size

504KB
MD5

2d4ff26e8c218a5b8ebd3df2d7895e18
SHA1

581e6e512a2e21abe28798893ca88fc6677f982f
SHA256

dc4fd9584e34cc7acdfd768c28a796764249bdaf94c48f098014cf0b6ac2c0eb
SHA512

42683d16b98cde57229e577c0a9d96a076ae460f6560da1c61b5575910831c3a1b5c8662d06913f261f47b28bfc66746eedf858adf98e616407cf80b2e94d089
SSDEEP

12288:Pj/MhUNG0OhJ6tvuDH/9dfSShnh5jzlv3a/5J:yKGlhklUfScvK5J

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

.NET Reactor proctector 1 IoCs

Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

resource	yara_rule
behavioral6/memory/3700-1-0x0000000000640000-0x00000000006C0000-memory.dmp	net_reactor

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3700 set thread context of 2636	3700	MasterKey_Pro_v2.6.exe	82

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4620	3700	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	MasterKey_Pro_v2.6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MasterKey_Pro_v2.6.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3700 wrote to memory of 2636	3700	MasterKey_Pro_v2.6.exe	82
PID 3700 wrote to memory of 2636	3700	MasterKey_Pro_v2.6.exe	82
PID 3700 wrote to memory of 2636	3700	MasterKey_Pro_v2.6.exe	82
PID 3700 wrote to memory of 2636	3700	MasterKey_Pro_v2.6.exe	82
PID 3700 wrote to memory of 2636	3700	MasterKey_Pro_v2.6.exe	82
PID 3700 wrote to memory of 2636	3700	MasterKey_Pro_v2.6.exe	82
PID 3700 wrote to memory of 2636	3700	MasterKey_Pro_v2.6.exe	82
PID 3700 wrote to memory of 2636	3700	MasterKey_Pro_v2.6.exe	82
PID 3700 wrote to memory of 2636	3700	MasterKey_Pro_v2.6.exe	82

C:\Users\Admin\AppData\Local\Temp\MasterKey_Pro_v2.6.exe
"C:\Users\Admin\AppData\Local\Temp\MasterKey_Pro_v2.6.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3700
- C:\Users\Admin\AppData\Local\Temp\MasterKey_Pro_v2.6.exe
  "C:\Users\Admin\AppData\Local\Temp\MasterKey_Pro_v2.6.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2636
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3700 -s 816
  2⤵
  - Program crash
  PID:4620

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 3700 -ip 3700
1⤵
PID:4940

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/2636-4-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/2636-6-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/2636-8-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/3700-0-0x000000007456E000-0x000000007456F000-memory.dmp

Filesize
4KB

Download
memory/3700-1-0x0000000000640000-0x00000000006C0000-memory.dmp

Filesize
512KB

Download
memory/3700-2-0x0000000005570000-0x0000000005B14000-memory.dmp

Filesize
5.6MB

Download
memory/3700-7-0x0000000074560000-0x0000000074D10000-memory.dmp

Filesize
7.7MB

Download