lumma | 039b5c33e607f05ce2b84a882b403239dd7211104c0e7db779d41a1cf6868830

Analysis

max time kernel
33s
max time network
18s
platform
windows10-1703_x64
resource
win10-20240404-en
resource tags

arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
submitted
29-09-2024 02:30

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General

Target

fix/x86_64-w64-ranlib.exe
Size

706KB
MD5

3e00b2ac577756508194da0c22034e44
SHA1

1fa05fd59f9f76eee4802af1c7106adceaa0e455
SHA256

803ef9e29b6f457ef4c3ef1c946a2dd50def32a4b307afb5a8ea72d05a270086
SHA512

986da32de1f706cad06e73f0a4386ca3926555b5fa85a19f335f2d16633aeb13b988decc54f0b0a351049ad74fd839323cb75403bbbd5775f157ef5e1c9f91b5
SSDEEP

6144:N6yVP6bIPM4t4+/2M/6FG6Sv8qLYOeRJdzsW5LDVE+dPHemjrPoeSFzbby:FPMS7FSFGn8qLYpRJdzh9hdPjjrPoT2

Score

10^/10

lumma discovery stealer

Malware Config

Extracted

Family

lumma

Extracted

Family

lumma

https://possiwreeste.site/api

https://underlinemdsj.site/api

Signatures

Lumma Stealer, LummaC
Lumma or LummaC is an infostealer written in C++ first seen in August 2022.
stealer lumma
Loads dropped DLL 1 IoCs

Processes:

rundll32.exe

pid process

3296 rundll32.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

rundll32.exe

description pid process target process

PID 3296 set thread context of 2072 3296 rundll32.exe aspnet_regiis.exe

pid	process
3296	rundll32.exe

description	pid	process	target process
PID 3296 set thread context of 2072	3296	rundll32.exe	aspnet_regiis.exe

System Location Discovery: System Language Discovery 1 TTPs 4 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

Processes:

rundll32.exeaspnet_regiis.exex86_64-w64-ranlib.execmd.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	aspnet_regiis.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	x86_64-w64-ranlib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

x86_64-w64-ranlib.execmd.exerundll32.exe

description	pid	process	target process
PID 1452 wrote to memory of 4428	1452	x86_64-w64-ranlib.exe	cmd.exe
PID 1452 wrote to memory of 4428	1452	x86_64-w64-ranlib.exe	cmd.exe
PID 1452 wrote to memory of 4428	1452	x86_64-w64-ranlib.exe	cmd.exe
PID 4428 wrote to memory of 3296	4428	cmd.exe	rundll32.exe
PID 4428 wrote to memory of 3296	4428	cmd.exe	rundll32.exe
PID 4428 wrote to memory of 3296	4428	cmd.exe	rundll32.exe
PID 3296 wrote to memory of 2072	3296	rundll32.exe	aspnet_regiis.exe
PID 3296 wrote to memory of 2072	3296	rundll32.exe	aspnet_regiis.exe
PID 3296 wrote to memory of 2072	3296	rundll32.exe	aspnet_regiis.exe
PID 3296 wrote to memory of 2072	3296	rundll32.exe	aspnet_regiis.exe
PID 3296 wrote to memory of 2072	3296	rundll32.exe	aspnet_regiis.exe
PID 3296 wrote to memory of 2072	3296	rundll32.exe	aspnet_regiis.exe
PID 3296 wrote to memory of 2072	3296	rundll32.exe	aspnet_regiis.exe
PID 3296 wrote to memory of 2072	3296	rundll32.exe	aspnet_regiis.exe
PID 3296 wrote to memory of 2072	3296	rundll32.exe	aspnet_regiis.exe

C:\Users\Admin\AppData\Local\Temp\fix\x86_64-w64-ranlib.exe
"C:\Users\Admin\AppData\Local\Temp\fix\x86_64-w64-ranlib.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1452
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Windows\SysWOW64\rundll32.exe C:\Users\Admin\AppData\Roaming\msvcp110.dll,GetGameData
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4428
- - C:\Windows\SysWOW64\rundll32.exe
    C:\Windows\SysWOW64\rundll32.exe C:\Users\Admin\AppData\Roaming\msvcp110.dll,GetGameData
    3⤵
    - Loads dropped DLL
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3296
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regiis.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regiis.exe"
      4⤵
      System Location Discovery: System Language Discovery
      PID:2072

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

C:\Users\Admin\AppData\Roaming\msvcp110.dll

Filesize
554KB

MD5
0619f2ae3728e652d6f6518733ce66c6

SHA1
18daacd593425b947dacb09066b620aa322e2520

SHA256
745d33c9f3089b1b59cd26e61e146c6180708b6e203e4b5aab15e0f0bbc311c3

SHA512
e18e67fc9406f349b14a2cf171fecd63f64010f56fe85704d3e79386531b1aa1f24c04a4bdd26bc68c0a89cf6bff2d740e6e5d486f33e73b1c11c3ce58bc85d5

Download Submit
memory/1452-5-0x0000000074F20000-0x0000000074F80000-memory.dmp

Filesize
384KB

Download
memory/1452-4-0x0000000077E31000-0x0000000077F44000-memory.dmp

Filesize
1.1MB

Download
memory/2072-15-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/2072-17-0x0000000074F10000-0x0000000074FE0000-memory.dmp

Filesize
832KB

Download
memory/2072-11-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/2072-18-0x0000000074F10000-0x0000000074FE0000-memory.dmp

Filesize
832KB

Download
memory/3296-12-0x0000000074F10000-0x0000000074FE0000-memory.dmp

Filesize
832KB

Download
memory/3296-13-0x0000000074F10000-0x0000000074FE0000-memory.dmp

Filesize
832KB

Download
memory/3296-16-0x0000000074F10000-0x0000000074FE0000-memory.dmp

Filesize
832KB

Download