lumma | 62f65a3341c25a7c3cb340ed4252007d86041c2c0333edc7ebc0ba83cad9bf8f

Analysis

max time kernel
94s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
14/09/2024, 07:47

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General

Target

CheatInjector.exe
Size

390KB
MD5

d7a08f9341f662dcd30c35066b5ed820
SHA1

52ff898ddcc0855a347b715284c2c7071ae005b9
SHA256

62f65a3341c25a7c3cb340ed4252007d86041c2c0333edc7ebc0ba83cad9bf8f
SHA512

21188f05bda54a873191854b80366dda5e41e911d64cd6467df92ad96b2ce83766fd7c3aa9c60b634cb7b21e99c25392d880ffc63b0e9a7b738b9342b19fbf14
SSDEEP

6144:VMcKOoCcsmqzUkk7/8/Q+1+duHMWRGAKwMZjHIqkxfZHO10v2S7eS8sDmBLLEO:kvCcsmSUwzq0Oha5J32S7eV9LEO

Score

10^/10

lumma discovery stealer

Malware Config

Extracted

Family

lumma

https://writerospzm.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 2744 set thread context of 2700	2744	CheatInjector.exe	84

Program crash 2 IoCs

pid	pid_target	Process	procid_target
2008	2700	WerFault.exe	84
3944	2700	WerFault.exe	84

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

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2744 wrote to memory of 2700	2744	CheatInjector.exe	84
PID 2744 wrote to memory of 2700	2744	CheatInjector.exe	84
PID 2744 wrote to memory of 2700	2744	CheatInjector.exe	84
PID 2744 wrote to memory of 2700	2744	CheatInjector.exe	84
PID 2744 wrote to memory of 2700	2744	CheatInjector.exe	84
PID 2744 wrote to memory of 2700	2744	CheatInjector.exe	84
PID 2744 wrote to memory of 2700	2744	CheatInjector.exe	84
PID 2744 wrote to memory of 2700	2744	CheatInjector.exe	84
PID 2744 wrote to memory of 2700	2744	CheatInjector.exe	84

C:\Users\Admin\AppData\Local\Temp\CheatInjector.exe
"C:\Users\Admin\AppData\Local\Temp\CheatInjector.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2744
- 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:2700
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2700 -s 940
    3⤵
    - Program crash
    PID:2008
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2700 -s 1224
    3⤵
    - Program crash
    PID:3944

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 2700 -ip 2700
1⤵
PID:3148

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2700 -ip 2700
1⤵
PID:4388

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/2700-4-0x0000000000400000-0x0000000000459000-memory.dmp

Filesize
356KB

Download
memory/2700-10-0x0000000000400000-0x0000000000459000-memory.dmp

Filesize
356KB

Download
memory/2700-8-0x0000000000400000-0x0000000000459000-memory.dmp

Filesize
356KB

Download
memory/2700-11-0x0000000000400000-0x0000000000459000-memory.dmp

Filesize
356KB

Download
memory/2744-0-0x000000007463E000-0x000000007463F000-memory.dmp

Filesize
4KB

Download
memory/2744-1-0x0000000000890000-0x00000000008F6000-memory.dmp

Filesize
408KB

Download
memory/2744-9-0x0000000074630000-0x0000000074DE0000-memory.dmp

Filesize
7.7MB

Download
memory/2744-12-0x0000000074630000-0x0000000074DE0000-memory.dmp

Filesize
7.7MB

Download