lumma | 9f9004cec568da6b1b35447ae42e9482df421162a32fcdca5b91fa78128e6efe

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
25/01/2025, 14:39

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General

Target

Loader.exe
Size

395KB
MD5

d77614f7ea4b89a831874b3dfdd909a9
SHA1

69274a7177d81ff53e1f5ad6577035bc082f4bce
SHA256

9f9004cec568da6b1b35447ae42e9482df421162a32fcdca5b91fa78128e6efe
SHA512

89b81e244bf7363bdce32663c4e5dd4ff99cd1d1ca12d3311e40f0ddc96494d79f95892e44cc2a3bcbfdd81e24749960c7240b1179d94c8f298ceaaa498f03e1
SSDEEP

6144:7WAoFwzNQONWylo7HJ7grXn9t97k8zq3K0saL0oo/kAczM2ZcIjg1iLA/nmol2nF:7FbzyONWyq7HFe9/jAoaLSsysL2nmq0j

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 3644 set thread context of 2352	3644	Loader.exe	83

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4904	3644	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	Loader.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Loader.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3644 wrote to memory of 1492	3644	Loader.exe	82
PID 3644 wrote to memory of 1492	3644	Loader.exe	82
PID 3644 wrote to memory of 1492	3644	Loader.exe	82
PID 3644 wrote to memory of 2352	3644	Loader.exe	83
PID 3644 wrote to memory of 2352	3644	Loader.exe	83
PID 3644 wrote to memory of 2352	3644	Loader.exe	83
PID 3644 wrote to memory of 2352	3644	Loader.exe	83
PID 3644 wrote to memory of 2352	3644	Loader.exe	83
PID 3644 wrote to memory of 2352	3644	Loader.exe	83
PID 3644 wrote to memory of 2352	3644	Loader.exe	83
PID 3644 wrote to memory of 2352	3644	Loader.exe	83
PID 3644 wrote to memory of 2352	3644	Loader.exe	83

C:\Users\Admin\AppData\Local\Temp\Loader.exe
"C:\Users\Admin\AppData\Local\Temp\Loader.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3644
- C:\Users\Admin\AppData\Local\Temp\Loader.exe
  "C:\Users\Admin\AppData\Local\Temp\Loader.exe"
  2⤵
  PID:1492
- C:\Users\Admin\AppData\Local\Temp\Loader.exe
  "C:\Users\Admin\AppData\Local\Temp\Loader.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2352
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3644 -s 824
  2⤵
  - Program crash
  PID:4904

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3644 -ip 3644
1⤵
PID:4848

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/2352-4-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/2352-6-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/2352-8-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/3644-0-0x00000000753AE000-0x00000000753AF000-memory.dmp

Filesize
4KB

Download
memory/3644-1-0x0000000000B00000-0x0000000000B6A000-memory.dmp

Filesize
424KB

Download
memory/3644-2-0x0000000005A30000-0x0000000005FD4000-memory.dmp

Filesize
5.6MB

Download
memory/3644-7-0x00000000753A0000-0x0000000075B50000-memory.dmp

Filesize
7.7MB

Download