Analysis

  • max time kernel
    149s
  • max time network
    95s
  • 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, 16:48

General

  • Target
    tmp6yr6c7ig.exe
  • Size 1.3MB
  • Sample260601-vbexdact3p
  • SHA256 492c123dedeeb490b4b7b45cdcae600e057bd941cff37e9e4f021b94ccdd2e54
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • lumma

C2
  • https://tamedgeesy.sbs/api

  • https://relalingj.sbs/api

  • https://rottieud.sbs/api

  • https://brownieyuz.sbs/api

  • https://explainvees.sbs/api

  • https://ducksringjk.sbs/api

  • https://thinkyyokej.sbs/api

  • https://repostebhu.sbs/api

  • https://pragapin.sbs/api

Signatures

  • Family: Lumma Stealer, LummaC

    Lumma or LummaC is an infostealer written in C++ first seen in August 2022.

  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • 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.

  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\tmp6yr6c7ig.exe
    "C:\Users\Admin\AppData\Local\Temp\tmp6yr6c7ig.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2720
    • C:\Users\Admin\AppData\Local\Temp\tmp6yr6c7ig.exe
      "C:\Users\Admin\AppData\Local\Temp\tmp6yr6c7ig.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Modifies system certificate store
      PID:3024
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2720 -s 308
      2⤵
      • Program crash
      PID:4448
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2720 -ip 2720
    1⤵
      PID:4372

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          7AD406287E052ECAB43951C39E0CDBF1

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7AD406287E052ECAB43951C39E0CDBF1
          • Size 1KB
          • SHA256 c1ad7778796d20bca65c889a2655021156528bb62ff5fa43e1b8e5a83e3d2eaa
          • MD5 SHA1 SHA512 TLSH

          7AD406287E052ECAB43951C39E0CDBF1

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7AD406287E052ECAB43951C39E0CDBF1
          • Size 268B
          • SHA256 6f8d6d77a22c89dff44541ea67997f04fd3762e45e83a54be729fe1ab6ba3f67
          • MD5 SHA1 SHA512 TLSH

          memory/2720-0-0x0000000000AE2000-0x0000000000AE3000-memory.dmp

          memory/3024-3-0x0000000000400000-0x0000000000457000-memory.dmp

          memory/3024-1-0x0000000000400000-0x0000000000457000-memory.dmp

          memory/3024-4-0x00000000009E0000-0x0000000000B37000-memory.dmp