lumma | 6fe08566aa76bce7b557f9d3d4501b5ca7b3cfda46188454a1199cda4d07316d

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20250129-en
resource tags

arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
submitted
31/01/2025, 17:51

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General

Target

random.exe
Size

530KB
MD5

3e24b5c245488779f5e6d568a99fc0a9
SHA1

f7da8983de091aa10db6700631f860305e5263e5
SHA256

6fe08566aa76bce7b557f9d3d4501b5ca7b3cfda46188454a1199cda4d07316d
SHA512

909f3d5edb69d4709a95c46dd72d8fedc3c33a311ea95230ddf417b38739827cd6b416324faefafe7b8f3be2b30da0c2f4cb4041ffbfa105aa1040aad23080ab
SSDEEP

12288:CZkEb6EcwNbyhw+X9rKMGQkrXLfDR35dUlg:AbyhwwrTuXDDR3bUa

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1256 set thread context of 856	1256	random.exe	86

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3392	1256	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	random.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	random.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1256 wrote to memory of 856	1256	random.exe	86
PID 1256 wrote to memory of 856	1256	random.exe	86
PID 1256 wrote to memory of 856	1256	random.exe	86
PID 1256 wrote to memory of 856	1256	random.exe	86
PID 1256 wrote to memory of 856	1256	random.exe	86
PID 1256 wrote to memory of 856	1256	random.exe	86
PID 1256 wrote to memory of 856	1256	random.exe	86
PID 1256 wrote to memory of 856	1256	random.exe	86
PID 1256 wrote to memory of 856	1256	random.exe	86

C:\Users\Admin\AppData\Local\Temp\random.exe
"C:\Users\Admin\AppData\Local\Temp\random.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1256
- C:\Users\Admin\AppData\Local\Temp\random.exe
  "C:\Users\Admin\AppData\Local\Temp\random.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:856
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1256 -s 804
  2⤵
  - Program crash
  PID:3392

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1256 -ip 1256
1⤵
PID:3428

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/856-4-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/856-6-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/856-8-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/1256-0-0x00000000751EE000-0x00000000751EF000-memory.dmp

Filesize
4KB

Download
memory/1256-1-0x0000000000A70000-0x0000000000AFC000-memory.dmp

Filesize
560KB

Download
memory/1256-2-0x0000000005A10000-0x0000000005FB4000-memory.dmp

Filesize
5.6MB

Download
memory/1256-7-0x00000000751E0000-0x0000000075990000-memory.dmp

Filesize
7.7MB

Download