lumma | 2bc1ef0c42eb983ae1ef7f78f090e975b286baa80c1dca4af47fe17f4b03e7d4

Analysis

max time kernel
94s
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
07-01-2025 00:03

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General

Target

2bc1ef0c42eb983ae1ef7f78f090e975b286baa80c1dca4af47fe17f4b03e7d4.exe
Size

356KB
MD5

b924184a8cb30dc7fe2cd123ad01f9f6
SHA1

cd17290b83fa1929c10d22d10ea4dbbeb04598df
SHA256

2bc1ef0c42eb983ae1ef7f78f090e975b286baa80c1dca4af47fe17f4b03e7d4
SHA512

93aa6410cb432e77a05d0f40e016c94376bd0f2c0c83a8cf38b2720529b9858644bb581c28eb07e4d17b851ab6aad090e6e8dbef6cfdc5b77874343baef9c377
SSDEEP

6144:VvkxvJ/ERkS80GQ22speQuMyRNDXtetrJBq5Y5f19Blms5HU7I3JJ4vnv:ZkxxMuS8Z2sppu/RudJBN5dpp07I3H43

Score

10^/10

lumma discovery stealer

Malware Config

Extracted

Family

lumma

https://cloudewahsj.shop/api

https://rabidcowse.shop/api

https://noisycuttej.shop/api

https://tirepublicerj.shop/api

https://framekgirus.shop/api

https://wholersorie.shop/api

https://abruptyopsn.shop/api

https://nearycrepso.shop/api

https://fancywaxxers.shop/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
behavioral2/memory/4532-1-0x00000000004A0000-0x0000000000500000-memory.dmp	net_reactor

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4532 set thread context of 4372	4532	2bc1ef0c42eb983ae1ef7f78f090e975b286baa80c1dca4af47fe17f4b03e7d4.exe	83

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4016	4532	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	2bc1ef0c42eb983ae1ef7f78f090e975b286baa80c1dca4af47fe17f4b03e7d4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2bc1ef0c42eb983ae1ef7f78f090e975b286baa80c1dca4af47fe17f4b03e7d4.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4532 wrote to memory of 4372	4532	2bc1ef0c42eb983ae1ef7f78f090e975b286baa80c1dca4af47fe17f4b03e7d4.exe	83
PID 4532 wrote to memory of 4372	4532	2bc1ef0c42eb983ae1ef7f78f090e975b286baa80c1dca4af47fe17f4b03e7d4.exe	83
PID 4532 wrote to memory of 4372	4532	2bc1ef0c42eb983ae1ef7f78f090e975b286baa80c1dca4af47fe17f4b03e7d4.exe	83
PID 4532 wrote to memory of 4372	4532	2bc1ef0c42eb983ae1ef7f78f090e975b286baa80c1dca4af47fe17f4b03e7d4.exe	83
PID 4532 wrote to memory of 4372	4532	2bc1ef0c42eb983ae1ef7f78f090e975b286baa80c1dca4af47fe17f4b03e7d4.exe	83
PID 4532 wrote to memory of 4372	4532	2bc1ef0c42eb983ae1ef7f78f090e975b286baa80c1dca4af47fe17f4b03e7d4.exe	83
PID 4532 wrote to memory of 4372	4532	2bc1ef0c42eb983ae1ef7f78f090e975b286baa80c1dca4af47fe17f4b03e7d4.exe	83
PID 4532 wrote to memory of 4372	4532	2bc1ef0c42eb983ae1ef7f78f090e975b286baa80c1dca4af47fe17f4b03e7d4.exe	83
PID 4532 wrote to memory of 4372	4532	2bc1ef0c42eb983ae1ef7f78f090e975b286baa80c1dca4af47fe17f4b03e7d4.exe	83

C:\Users\Admin\AppData\Local\Temp\2bc1ef0c42eb983ae1ef7f78f090e975b286baa80c1dca4af47fe17f4b03e7d4.exe
"C:\Users\Admin\AppData\Local\Temp\2bc1ef0c42eb983ae1ef7f78f090e975b286baa80c1dca4af47fe17f4b03e7d4.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4532
- C:\Users\Admin\AppData\Local\Temp\2bc1ef0c42eb983ae1ef7f78f090e975b286baa80c1dca4af47fe17f4b03e7d4.exe
  "C:\Users\Admin\AppData\Local\Temp\2bc1ef0c42eb983ae1ef7f78f090e975b286baa80c1dca4af47fe17f4b03e7d4.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4372
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4532 -s 800
  2⤵
  - Program crash
  PID:4016

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4532 -ip 4532
1⤵
PID:4276

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/4372-4-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/4372-6-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/4372-8-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/4532-0-0x0000000074CCE000-0x0000000074CCF000-memory.dmp

Filesize
4KB

Download
memory/4532-1-0x00000000004A0000-0x0000000000500000-memory.dmp

Filesize
384KB

Download
memory/4532-2-0x00000000053C0000-0x0000000005964000-memory.dmp

Filesize
5.6MB

Download
memory/4532-7-0x0000000074CC0000-0x0000000075470000-memory.dmp

Filesize
7.7MB

Download