lumma | 9b352b16f906a58474783588d65529d1336d7a19facc5ac56884c0d299db7cc9

Analysis

max time kernel
95s
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
29/01/2025, 22:27

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General

Target

Nihon.exe
Size

533KB
MD5

91d611c84f4b8aa6478e94460817fb37
SHA1

c1b758e840ccdf6b10a19e1bdbcfe284913670ba
SHA256

a81afd5fe711453f87ae10559bc3b716b17e5971e31749d3274369dd5868c291
SHA512

7963358bef8fa8db93d52ef107d941e068013c60b2ed275caa875549f9aa2608f2ffdb230eb872a398fbecfe6143af9ee5fb4a2bf703a4e713ad01902258807b
SSDEEP

12288:KZkEb6EcwNbyRbA+MDxqSLLEPcOiQavOs0:YbyRbVSLLPOgOs0

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 4960 set thread context of 1836	4960	Nihon.exe	82

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1728	4960	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	Nihon.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Nihon.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4960 wrote to memory of 1836	4960	Nihon.exe	82
PID 4960 wrote to memory of 1836	4960	Nihon.exe	82
PID 4960 wrote to memory of 1836	4960	Nihon.exe	82
PID 4960 wrote to memory of 1836	4960	Nihon.exe	82
PID 4960 wrote to memory of 1836	4960	Nihon.exe	82
PID 4960 wrote to memory of 1836	4960	Nihon.exe	82
PID 4960 wrote to memory of 1836	4960	Nihon.exe	82
PID 4960 wrote to memory of 1836	4960	Nihon.exe	82
PID 4960 wrote to memory of 1836	4960	Nihon.exe	82

C:\Users\Admin\AppData\Local\Temp\Nihon.exe
"C:\Users\Admin\AppData\Local\Temp\Nihon.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4960
- C:\Users\Admin\AppData\Local\Temp\Nihon.exe
  "C:\Users\Admin\AppData\Local\Temp\Nihon.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1836
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4960 -s 776
  2⤵
  - Program crash
  PID:1728

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 180 -p 4960 -ip 4960
1⤵
PID:3548

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/1836-4-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/1836-6-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/1836-8-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/4960-0-0x00000000745DE000-0x00000000745DF000-memory.dmp

Filesize
4KB

Download
memory/4960-1-0x00000000003F0000-0x000000000047E000-memory.dmp

Filesize
568KB

Download
memory/4960-2-0x0000000005200000-0x00000000057A4000-memory.dmp

Filesize
5.6MB

Download
memory/4960-7-0x00000000745D0000-0x0000000074D80000-memory.dmp

Filesize
7.7MB

Download