lumma | af86b32a933800cf30edb4f8f40cddd74253f599eb3edc8aa643fdfd30621f0b

Analysis

max time kernel
94s
max time network
95s
platform
windows11-21h2_x64
resource
win11-20241007-en
resource tags

arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
submitted
22-01-2025 21:21

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General

Target

stage4_inmemory.exe
Size

1.2MB
MD5

8e8280ed88a5435880a63873367b2fc9
SHA1

45bd86a0c42647a66e164e564abfc4b43ad4243b
SHA256

af86b32a933800cf30edb4f8f40cddd74253f599eb3edc8aa643fdfd30621f0b
SHA512

d0d11b59a22f9298c82834c25be137f740e82c91f327f4c883d38bc63caa61c4afbb69a2b0bc76be60201cf69c5e97fbb9b50c9ae745debf741284405efe4218
SSDEEP

24576:+cWEAED8iMPtLVSLRw4ngZDEtvFAK4xwheL57FpbQLYffegKWz2NbGN7Tig:r8Jt4LRfIEtvFJhheL55pbQkffegCNC

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://carveforutune.click/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 NtCreateUserProcessOtherParentProcess 1 IoCs

description	pid	Process	procid_target
PID 4852 created 3272	4852	stage4_inmemory.exe	52

.NET Reactor proctector 1 IoCs

Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

resource	yara_rule
behavioral1/memory/4852-1-0x0000000000F50000-0x0000000001092000-memory.dmp	net_reactor

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4852 set thread context of 4860	4852	stage4_inmemory.exe	77

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	stage4_inmemory.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	stage4_inmemory.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
4852	stage4_inmemory.exe
4852	stage4_inmemory.exe
4852	stage4_inmemory.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4852	stage4_inmemory.exe
Token: SeDebugPrivilege	4852	stage4_inmemory.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 4852 wrote to memory of 4860	4852	stage4_inmemory.exe	77
PID 4852 wrote to memory of 4860	4852	stage4_inmemory.exe	77
PID 4852 wrote to memory of 4860	4852	stage4_inmemory.exe	77
PID 4852 wrote to memory of 4860	4852	stage4_inmemory.exe	77
PID 4852 wrote to memory of 4860	4852	stage4_inmemory.exe	77
PID 4852 wrote to memory of 4860	4852	stage4_inmemory.exe	77
PID 4852 wrote to memory of 4860	4852	stage4_inmemory.exe	77
PID 4852 wrote to memory of 4860	4852	stage4_inmemory.exe	77
PID 4852 wrote to memory of 4860	4852	stage4_inmemory.exe	77
PID 4852 wrote to memory of 4860	4852	stage4_inmemory.exe	77

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3272
- C:\Users\Admin\AppData\Local\Temp\stage4_inmemory.exe
  "C:\Users\Admin\AppData\Local\Temp\stage4_inmemory.exe"
  2⤵
  - Suspicious use of NtCreateUserProcessOtherParentProcess
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4852
- C:\Users\Admin\AppData\Local\Temp\stage4_inmemory.exe
  "C:\Users\Admin\AppData\Local\Temp\stage4_inmemory.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4860

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/4852-0-0x00000000747BE000-0x00000000747BF000-memory.dmp

Filesize
4KB

Download
memory/4852-1-0x0000000000F50000-0x0000000001092000-memory.dmp

Filesize
1.3MB

Download
memory/4852-2-0x00000000747B0000-0x0000000074F61000-memory.dmp

Filesize
7.7MB

Download
memory/4852-3-0x0000000005AA0000-0x0000000005BC8000-memory.dmp

Filesize
1.2MB

Download
memory/4852-4-0x0000000005D80000-0x0000000005EA8000-memory.dmp

Filesize
1.2MB

Download
memory/4852-16-0x0000000005D80000-0x0000000005EA3000-memory.dmp

Filesize
1.1MB

Download
memory/4852-22-0x0000000005D80000-0x0000000005EA3000-memory.dmp

Filesize
1.1MB

Download
memory/4852-56-0x0000000005D80000-0x0000000005EA3000-memory.dmp

Filesize
1.1MB

Download
memory/4852-68-0x0000000005D80000-0x0000000005EA3000-memory.dmp

Filesize
1.1MB

Download
memory/4852-66-0x0000000005D80000-0x0000000005EA3000-memory.dmp

Filesize
1.1MB

Download
memory/4852-64-0x0000000005D80000-0x0000000005EA3000-memory.dmp

Filesize
1.1MB

Download
memory/4852-63-0x0000000005D80000-0x0000000005EA3000-memory.dmp

Filesize
1.1MB

Download
memory/4852-60-0x0000000005D80000-0x0000000005EA3000-memory.dmp

Filesize
1.1MB

Download
memory/4852-58-0x0000000005D80000-0x0000000005EA3000-memory.dmp

Filesize
1.1MB

Download
memory/4852-54-0x0000000005D80000-0x0000000005EA3000-memory.dmp

Filesize
1.1MB

Download
memory/4852-52-0x0000000005D80000-0x0000000005EA3000-memory.dmp

Filesize
1.1MB

Download
memory/4852-50-0x0000000005D80000-0x0000000005EA3000-memory.dmp

Filesize
1.1MB

Download
memory/4852-48-0x0000000005D80000-0x0000000005EA3000-memory.dmp

Filesize
1.1MB

Download
memory/4852-46-0x0000000005D80000-0x0000000005EA3000-memory.dmp

Filesize
1.1MB

Download
memory/4852-44-0x0000000005D80000-0x0000000005EA3000-memory.dmp

Filesize
1.1MB

Download
memory/4852-40-0x0000000005D80000-0x0000000005EA3000-memory.dmp

Filesize
1.1MB

Download
memory/4852-38-0x0000000005D80000-0x0000000005EA3000-memory.dmp

Filesize
1.1MB

Download
memory/4852-36-0x0000000005D80000-0x0000000005EA3000-memory.dmp

Filesize
1.1MB

Download
memory/4852-34-0x0000000005D80000-0x0000000005EA3000-memory.dmp

Filesize
1.1MB

Download
memory/4852-30-0x0000000005D80000-0x0000000005EA3000-memory.dmp

Filesize
1.1MB

Download
memory/4852-28-0x0000000005D80000-0x0000000005EA3000-memory.dmp

Filesize
1.1MB

Download
memory/4852-26-0x0000000005D80000-0x0000000005EA3000-memory.dmp

Filesize
1.1MB

Download
memory/4852-24-0x0000000005D80000-0x0000000005EA3000-memory.dmp

Filesize
1.1MB

Download
memory/4852-20-0x0000000005D80000-0x0000000005EA3000-memory.dmp

Filesize
1.1MB

Download
memory/4852-18-0x0000000005D80000-0x0000000005EA3000-memory.dmp

Filesize
1.1MB

Download
memory/4852-14-0x0000000005D80000-0x0000000005EA3000-memory.dmp

Filesize
1.1MB

Download
memory/4852-12-0x0000000005D80000-0x0000000005EA3000-memory.dmp

Filesize
1.1MB

Download
memory/4852-10-0x0000000005D80000-0x0000000005EA3000-memory.dmp

Filesize
1.1MB

Download
memory/4852-8-0x0000000005D80000-0x0000000005EA3000-memory.dmp

Filesize
1.1MB

Download
memory/4852-6-0x0000000005D80000-0x0000000005EA3000-memory.dmp

Filesize
1.1MB

Download
memory/4852-42-0x0000000005D80000-0x0000000005EA3000-memory.dmp

Filesize
1.1MB

Download
memory/4852-32-0x0000000005D80000-0x0000000005EA3000-memory.dmp

Filesize
1.1MB

Download
memory/4852-5-0x0000000005D80000-0x0000000005EA3000-memory.dmp

Filesize
1.1MB

Download
memory/4852-1323-0x00000000747B0000-0x0000000074F61000-memory.dmp

Filesize
7.7MB

Download
memory/4852-1324-0x0000000005F80000-0x0000000006004000-memory.dmp

Filesize
528KB

Download
memory/4852-1325-0x00000000060B0000-0x0000000006130000-memory.dmp

Filesize
512KB

Download
memory/4852-1326-0x0000000006050000-0x000000000609C000-memory.dmp

Filesize
304KB

Download
memory/4852-1327-0x00000000069A0000-0x0000000006F46000-memory.dmp

Filesize
5.6MB

Download
memory/4852-1328-0x0000000006290000-0x00000000062E4000-memory.dmp

Filesize
336KB

Download
memory/4852-1332-0x00000000747B0000-0x0000000074F61000-memory.dmp

Filesize
7.7MB

Download
memory/4852-1336-0x00000000747B0000-0x0000000074F61000-memory.dmp

Filesize
7.7MB

Download
memory/4852-1339-0x00000000747B0000-0x0000000074F61000-memory.dmp

Filesize
7.7MB

Download
memory/4852-1338-0x00000000747B0000-0x0000000074F61000-memory.dmp

Filesize
7.7MB

Download
memory/4860-1340-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download