lumma | 9b352b16f906a58474783588d65529d1336d7a19facc5ac56884c0d299db7cc9

Analysis

max time kernel
32s
max time network
34s
platform
windows10-ltsc 2021_x64
resource
win10ltsc2021-20250128-en
resource tags

arch:x64arch:x86image:win10ltsc2021-20250128-enlocale:en-usos:windows10-ltsc 2021-x64system
submitted
29/01/2025, 22:28

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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 3828 set thread context of 3052	3828	Nihon.exe	84

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4296	3828	WerFault.exe	82

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 12 IoCs

description	pid	Process	procid_target
PID 3828 wrote to memory of 556	3828	Nihon.exe	83
PID 3828 wrote to memory of 556	3828	Nihon.exe	83
PID 3828 wrote to memory of 556	3828	Nihon.exe	83
PID 3828 wrote to memory of 3052	3828	Nihon.exe	84
PID 3828 wrote to memory of 3052	3828	Nihon.exe	84
PID 3828 wrote to memory of 3052	3828	Nihon.exe	84
PID 3828 wrote to memory of 3052	3828	Nihon.exe	84
PID 3828 wrote to memory of 3052	3828	Nihon.exe	84
PID 3828 wrote to memory of 3052	3828	Nihon.exe	84
PID 3828 wrote to memory of 3052	3828	Nihon.exe	84
PID 3828 wrote to memory of 3052	3828	Nihon.exe	84
PID 3828 wrote to memory of 3052	3828	Nihon.exe	84

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:3828
- C:\Users\Admin\AppData\Local\Temp\Nihon.exe
  "C:\Users\Admin\AppData\Local\Temp\Nihon.exe"
  2⤵
  PID:556
- C:\Users\Admin\AppData\Local\Temp\Nihon.exe
  "C:\Users\Admin\AppData\Local\Temp\Nihon.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3052
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3828 -s 836
  2⤵
  - Program crash
  PID:4296

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3828 -ip 3828
1⤵
PID:232

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/3052-4-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/3052-6-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/3052-8-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/3828-0-0x000000007469E000-0x000000007469F000-memory.dmp

Filesize
4KB

Download
memory/3828-1-0x0000000000230000-0x00000000002BE000-memory.dmp

Filesize
568KB

Download
memory/3828-2-0x0000000005260000-0x0000000005806000-memory.dmp

Filesize
5.6MB

Download
memory/3828-7-0x0000000074690000-0x0000000074E41000-memory.dmp

Filesize
7.7MB

Download