lumma | ef4a502ddf1302d71b96fdd150613d35d2722868d669c4e8f33ff715d5456ad7

Analysis

max time kernel
149s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
18-11-2024 16:12

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General

Target

ef4a502ddf1302d71b96fdd150613d35d2722868d669c4e8f33ff715d5456ad7.exe
Size

730KB
MD5

493ab5162b582687d104156ca1b10ba5
SHA1

ced8bc2467ec76184041447148e091f2752b0a54
SHA256

ef4a502ddf1302d71b96fdd150613d35d2722868d669c4e8f33ff715d5456ad7
SHA512

225a3e33d015aeb700ed13cb3b7f3c4f8485cac277cc3a2484c7dc4ce27733f0b17112d53e323cb4c96fecbfa2e98adf7f2e712d0dd9f482e7c985b62e464fb1
SSDEEP

12288:UpKGBVdHLhPvhQ9bF+q3olEqSAkMEb4Q6F4J+8d1hvxzTVoHQ2137/Qp9oI:RGB3JKFj3oPSAkjsF4s8RV2Hz7/Qp9oI

Score

10^/10

lumma discovery stealer

Malware Config

Extracted

Family

lumma

https://c0al1t1onmatch.cyou/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 3980 set thread context of 2244	3980	ef4a502ddf1302d71b96fdd150613d35d2722868d669c4e8f33ff715d5456ad7.exe	87

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2344	3980	WerFault.exe	82

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	ef4a502ddf1302d71b96fdd150613d35d2722868d669c4e8f33ff715d5456ad7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ef4a502ddf1302d71b96fdd150613d35d2722868d669c4e8f33ff715d5456ad7.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3980 wrote to memory of 2244	3980	ef4a502ddf1302d71b96fdd150613d35d2722868d669c4e8f33ff715d5456ad7.exe	87
PID 3980 wrote to memory of 2244	3980	ef4a502ddf1302d71b96fdd150613d35d2722868d669c4e8f33ff715d5456ad7.exe	87
PID 3980 wrote to memory of 2244	3980	ef4a502ddf1302d71b96fdd150613d35d2722868d669c4e8f33ff715d5456ad7.exe	87
PID 3980 wrote to memory of 2244	3980	ef4a502ddf1302d71b96fdd150613d35d2722868d669c4e8f33ff715d5456ad7.exe	87
PID 3980 wrote to memory of 2244	3980	ef4a502ddf1302d71b96fdd150613d35d2722868d669c4e8f33ff715d5456ad7.exe	87
PID 3980 wrote to memory of 2244	3980	ef4a502ddf1302d71b96fdd150613d35d2722868d669c4e8f33ff715d5456ad7.exe	87
PID 3980 wrote to memory of 2244	3980	ef4a502ddf1302d71b96fdd150613d35d2722868d669c4e8f33ff715d5456ad7.exe	87
PID 3980 wrote to memory of 2244	3980	ef4a502ddf1302d71b96fdd150613d35d2722868d669c4e8f33ff715d5456ad7.exe	87
PID 3980 wrote to memory of 2244	3980	ef4a502ddf1302d71b96fdd150613d35d2722868d669c4e8f33ff715d5456ad7.exe	87
PID 3980 wrote to memory of 2244	3980	ef4a502ddf1302d71b96fdd150613d35d2722868d669c4e8f33ff715d5456ad7.exe	87

C:\Users\Admin\AppData\Local\Temp\ef4a502ddf1302d71b96fdd150613d35d2722868d669c4e8f33ff715d5456ad7.exe
"C:\Users\Admin\AppData\Local\Temp\ef4a502ddf1302d71b96fdd150613d35d2722868d669c4e8f33ff715d5456ad7.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3980
- C:\Users\Admin\AppData\Local\Temp\ef4a502ddf1302d71b96fdd150613d35d2722868d669c4e8f33ff715d5456ad7.exe
  "C:\Users\Admin\AppData\Local\Temp\ef4a502ddf1302d71b96fdd150613d35d2722868d669c4e8f33ff715d5456ad7.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2244
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3980 -s 264
  2⤵
  - Program crash
  PID:2344

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 3980 -ip 3980
1⤵
PID:3160

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

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Downloads

memory/2244-2-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2244-3-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2244-4-0x00000000004D0000-0x000000000058E000-memory.dmp

Filesize
760KB

Download
memory/3980-0-0x000000000052A000-0x000000000052B000-memory.dmp

Filesize
4KB

Download