lumma | f5be0db9a657dc68bed29658a374acf56af1c580253e490ac8029063f900493f

Analysis

max time kernel
149s
max time network
106s
platform
windows11-21h2_x64
resource
win11-20260513-en
resource tags

arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
01/06/2026, 18:24

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General

Target
tmp3fiy5fqp.exe
Size 1.0MB
Sample260601-w2bhbaev8p
SHA256 f5be0db9a657dc68bed29658a374acf56af1c580253e490ac8029063f900493f
MD5 8c736f2e4b3e46de16de963010999aec
SHA1 26836b05661b49287f188acdbeac67f0bc09f80c
SHA512 3cc43f0ee65a8db6fab3e92fafe19ffad47149e7bd8e18cd21f6fce6ea4da19b7dd3c68e91a546c8095d920de76ad3a23ba71785552c7abc94d367b3aa7f7a96
SSDEEP 24576:yvjU8y+3r8oLCfIML/lEFCAofL9FHvBmfWh:yvjU83LCfrE4AoZpv8fU
TLSH
T1A1356DD62AD809D7E48B1F7C14F145378EA0FA74443A593726C4E9CF0E9EAD6062C7B2
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

discovery lumma stealer

Malware Config

Extracted

Family

lumma

https://clearancek.site/api
https://licendfilteo.site/api
https://spirittunek.store/api
https://bathdoomgaz.store/api
https://studennotediw.store/api
https://dissapoiznw.store/api
https://eaglepawnoy.store/api
https://mobbipenju.store/api
https://trustterwowqm.shop/api

Signatures

Family: Lumma Stealer, LummaC
Lumma or LummaC is an infostealer written in C++ first seen in August 2022.
stealer lumma

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1572 set thread context of 2400	1572	tmp3fiy5fqp.exe	81

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4960	1572	WerFault.exe	80

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	tmp3fiy5fqp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSBuild.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1572 wrote to memory of 2400	1572	tmp3fiy5fqp.exe	81
PID 1572 wrote to memory of 2400	1572	tmp3fiy5fqp.exe	81
PID 1572 wrote to memory of 2400	1572	tmp3fiy5fqp.exe	81
PID 1572 wrote to memory of 2400	1572	tmp3fiy5fqp.exe	81
PID 1572 wrote to memory of 2400	1572	tmp3fiy5fqp.exe	81
PID 1572 wrote to memory of 2400	1572	tmp3fiy5fqp.exe	81

C:\Users\Admin\AppData\Local\Temp\tmp3fiy5fqp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp3fiy5fqp.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1572
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2400
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1572 -s 424
  2⤵
  - Program crash
  PID:4960

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1572 -ip 1572
1⤵
PID:1112

Network

MITRE ATT&CK Enterprise v16

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

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Downloads

memory/1572-0-0x0000000000EEC000-0x0000000000EED000-memory.dmp

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memory/1572-2-0x0000000000E60000-0x0000000000F72000-memory.dmp

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memory/1572-5-0x0000000000E60000-0x0000000000F72000-memory.dmp

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memory/2400-1-0x0000000000400000-0x0000000000464000-memory.dmp

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memory/2400-4-0x0000000000400000-0x0000000000464000-memory.dmp

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memory/2400-6-0x0000000000400000-0x0000000000464000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads