lumma | 9437a0df4d17f0a34f01f7d963c45fd76fad1ed4bcae252ed5bda5b997c9161c

Analysis

max time kernel
122s
max time network
125s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
07-01-2025 00:05

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General

Target

Netflix mail access Checker 2024 New.exe
Size

646KB
MD5

07feca81b29907ce6550288a7d2b8821
SHA1

6252d362fe96293254a1f284a95355440a2dc2cc
SHA256

eb28c83590f742bb8a12d01f4692421786b6a04dcf9fcc31df93de6d0068b717
SHA512

add0f86c572a83d4d2baa8a3d79db1ce321ae846aa02afe559abc91da0bd8ca6bd3969f4e75372ea606057436fc5e3353c71d23feef843340c41be9d0b72d800
SSDEEP

12288:J4CD99jUhaQS/Aby46x4YFFR5WQ/Ee4vbDAt8G+DiBezmm72kiz5iIrSEO:Osbkaqx6xDR5BEe4X2jnBeKPIt

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

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svhost.exe	DjnBAmz8Si.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svhost.exe	DjnBAmz8Si.exe

Executes dropped EXE 3 IoCs

pid	Process
2104	DjnBAmz8Si.exe
1888	16B2u2FDmx.exe
2940	16B2u2FDmx.exe

Loads dropped DLL 8 IoCs

pid	Process
1972	Netflix mail access Checker 2024 New.exe
1972	Netflix mail access Checker 2024 New.exe
1888	16B2u2FDmx.exe
2652	WerFault.exe
2652	WerFault.exe
2652	WerFault.exe
2652	WerFault.exe
2652	WerFault.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 3044 set thread context of 1972	3044	Netflix mail access Checker 2024 New.exe	31
PID 1888 set thread context of 2940	1888	16B2u2FDmx.exe	36

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 2 IoCs

pid	pid_target	Process	procid_target
2392	3044	WerFault.exe	29
2652	1888	WerFault.exe	34

System Location Discovery: System Language Discovery 1 TTPs 3 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	Netflix mail access Checker 2024 New.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Netflix mail access Checker 2024 New.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	16B2u2FDmx.exe

Suspicious use of WriteProcessMemory 37 IoCs

description	pid	Process	procid_target
PID 3044 wrote to memory of 1972	3044	Netflix mail access Checker 2024 New.exe	31
PID 3044 wrote to memory of 1972	3044	Netflix mail access Checker 2024 New.exe	31
PID 3044 wrote to memory of 1972	3044	Netflix mail access Checker 2024 New.exe	31
PID 3044 wrote to memory of 1972	3044	Netflix mail access Checker 2024 New.exe	31
PID 3044 wrote to memory of 1972	3044	Netflix mail access Checker 2024 New.exe	31
PID 3044 wrote to memory of 1972	3044	Netflix mail access Checker 2024 New.exe	31
PID 3044 wrote to memory of 1972	3044	Netflix mail access Checker 2024 New.exe	31
PID 3044 wrote to memory of 1972	3044	Netflix mail access Checker 2024 New.exe	31
PID 3044 wrote to memory of 1972	3044	Netflix mail access Checker 2024 New.exe	31
PID 3044 wrote to memory of 1972	3044	Netflix mail access Checker 2024 New.exe	31
PID 3044 wrote to memory of 1972	3044	Netflix mail access Checker 2024 New.exe	31
PID 1972 wrote to memory of 2104	1972	Netflix mail access Checker 2024 New.exe	33
PID 1972 wrote to memory of 2104	1972	Netflix mail access Checker 2024 New.exe	33
PID 1972 wrote to memory of 2104	1972	Netflix mail access Checker 2024 New.exe	33
PID 1972 wrote to memory of 2104	1972	Netflix mail access Checker 2024 New.exe	33
PID 1972 wrote to memory of 1888	1972	Netflix mail access Checker 2024 New.exe	34
PID 1972 wrote to memory of 1888	1972	Netflix mail access Checker 2024 New.exe	34
PID 1972 wrote to memory of 1888	1972	Netflix mail access Checker 2024 New.exe	34
PID 1972 wrote to memory of 1888	1972	Netflix mail access Checker 2024 New.exe	34
PID 3044 wrote to memory of 2392	3044	Netflix mail access Checker 2024 New.exe	32
PID 3044 wrote to memory of 2392	3044	Netflix mail access Checker 2024 New.exe	32
PID 3044 wrote to memory of 2392	3044	Netflix mail access Checker 2024 New.exe	32
PID 3044 wrote to memory of 2392	3044	Netflix mail access Checker 2024 New.exe	32
PID 1888 wrote to memory of 2940	1888	16B2u2FDmx.exe	36
PID 1888 wrote to memory of 2940	1888	16B2u2FDmx.exe	36
PID 1888 wrote to memory of 2940	1888	16B2u2FDmx.exe	36
PID 1888 wrote to memory of 2940	1888	16B2u2FDmx.exe	36
PID 1888 wrote to memory of 2940	1888	16B2u2FDmx.exe	36
PID 1888 wrote to memory of 2940	1888	16B2u2FDmx.exe	36
PID 1888 wrote to memory of 2940	1888	16B2u2FDmx.exe	36
PID 1888 wrote to memory of 2940	1888	16B2u2FDmx.exe	36
PID 1888 wrote to memory of 2940	1888	16B2u2FDmx.exe	36
PID 1888 wrote to memory of 2940	1888	16B2u2FDmx.exe	36
PID 1888 wrote to memory of 2652	1888	16B2u2FDmx.exe	37
PID 1888 wrote to memory of 2652	1888	16B2u2FDmx.exe	37
PID 1888 wrote to memory of 2652	1888	16B2u2FDmx.exe	37
PID 1888 wrote to memory of 2652	1888	16B2u2FDmx.exe	37

C:\Users\Admin\AppData\Local\Temp\Netflix mail access Checker 2024 New.exe
"C:\Users\Admin\AppData\Local\Temp\Netflix mail access Checker 2024 New.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3044
- C:\Users\Admin\AppData\Local\Temp\Netflix mail access Checker 2024 New.exe
  "C:\Users\Admin\AppData\Local\Temp\Netflix mail access Checker 2024 New.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1972
- - C:\Users\Admin\AppData\Roaming\DjnBAmz8Si.exe
    "C:\Users\Admin\AppData\Roaming\DjnBAmz8Si.exe"
    3⤵
    - Drops startup file
    - Executes dropped EXE
    PID:2104
- - C:\Users\Admin\AppData\Roaming\16B2u2FDmx.exe
    "C:\Users\Admin\AppData\Roaming\16B2u2FDmx.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1888
  - - C:\Users\Admin\AppData\Roaming\16B2u2FDmx.exe
      "C:\Users\Admin\AppData\Roaming\16B2u2FDmx.exe"
      4⤵
      Executes dropped EXE
      PID:2940
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1888 -s 500
      4⤵
      Loads dropped DLL
      Program crash
      PID:2652
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3044 -s 68
  2⤵
  - Program crash
  PID:2392

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\16B2u2FDmx.exe

Filesize
381KB

MD5
a609440ff44e49322c92cbc9b081b665

SHA1
bfe2f35ea18a797b4048c4f6b8b2435a8801c225

SHA256
9e5e374fc7bd6937b1e35249b7c70cdefdb44e1aae7d9bb35c3bb67c1ef864dd

SHA512
a0c283daa88dd39a92031f5bba68523563a647f7a5f7e8dacfcdbe74ee2e41db9e304284e5fdd6e1ac7a8c8767febd0c193224b41c86af9b2d62e2759c036b6b

Download Submit
C:\Users\Admin\AppData\Roaming\DjnBAmz8Si.exe

Filesize
11KB

MD5
5afb8ce4dd3923219bd69bd7b5168d91

SHA1
e06283294510284af9082eb67d368e6d88d9e232

SHA256
f727bba8d917fa3f129d71745e0741a8511f940b1a6817ff5130aa2f3ae85c79

SHA512
8135efb34c768a9c292b54bc25845dd9b388e98f9f0b67918fbf5887c8e1d3da81bb84e044eebdf0868c40a685bd157daafb4789b373dea3e273c5275ebd0740

Download Submit
memory/1888-37-0x00000000012F0000-0x0000000001354000-memory.dmp

Filesize
400KB

Download
memory/1972-33-0x0000000000400000-0x0000000000496000-memory.dmp

Filesize
600KB

Download
memory/1972-18-0x0000000000400000-0x0000000000496000-memory.dmp

Filesize
600KB

Download
memory/1972-23-0x0000000000400000-0x0000000000496000-memory.dmp

Filesize
600KB

Download
memory/1972-5-0x0000000000400000-0x0000000000496000-memory.dmp

Filesize
600KB

Download
memory/1972-19-0x0000000000400000-0x0000000000496000-memory.dmp

Filesize
600KB

Download
memory/1972-13-0x0000000000400000-0x0000000000496000-memory.dmp

Filesize
600KB

Download
memory/1972-11-0x0000000000400000-0x0000000000496000-memory.dmp

Filesize
600KB

Download
memory/1972-9-0x0000000000400000-0x0000000000496000-memory.dmp

Filesize
600KB

Download
memory/1972-7-0x0000000000400000-0x0000000000496000-memory.dmp

Filesize
600KB

Download
memory/1972-17-0x0000000000400000-0x0000000000496000-memory.dmp

Filesize
600KB

Download
memory/1972-3-0x0000000000400000-0x0000000000496000-memory.dmp

Filesize
600KB

Download
memory/1972-14-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/1972-35-0x0000000000400000-0x0000000000496000-memory.dmp

Filesize
600KB

Download
memory/2104-59-0x0000000000F00000-0x0000000000F08000-memory.dmp

Filesize
32KB

Download
memory/2940-44-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2940-51-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2940-50-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2940-48-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2940-46-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2940-53-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2940-42-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2940-40-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/3044-0-0x000000007454E000-0x000000007454F000-memory.dmp

Filesize
4KB

Download
memory/3044-1-0x0000000000960000-0x0000000000A06000-memory.dmp

Filesize
664KB

Download
memory/3044-22-0x0000000074540000-0x0000000074C2E000-memory.dmp

Filesize
6.9MB

Download
memory/3044-61-0x0000000074540000-0x0000000074C2E000-memory.dmp

Filesize
6.9MB

Download