Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    30/01/2025, 14:21

General

  • Target

    loader.exe

  • Size

    545KB

  • MD5

    979de771eb4ff270e0348eb4832fd28e

  • SHA1

    41b8177bf912dd148ce33d0f89479a684cc3dddf

  • SHA256

    bd19b230e4650d53868b2a5adb9b4cac495b06c6880ee3fd7e3fa87adbb9a282

  • SHA512

    210842e3a5247ee2f95c9c4b234059354b43b275756c2b8f4c0fdd0bb6b5107ff44ca27a8cb9a14ef94c8d8769ad4341f542a3d9d9b88c54950a2689924d34e7

  • SSDEEP

    12288:lZkEb6EcwNby2j0jZ5hQ0CCpvQJYo2lxrxPNP2:Lby2juZM0V82f1PNO

Score
10/10

Malware Config

Extracted

Family

lumma

C2

https://toppyneedus.biz/api

Signatures

  • Lumma Stealer, LummaC

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

  • Lumma family
  • 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 6 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\loader.exe
    "C:\Users\Admin\AppData\Local\Temp\loader.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2680
    • C:\Users\Admin\AppData\Local\Temp\loader.exe
      "C:\Users\Admin\AppData\Local\Temp\loader.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Modifies system certificate store
      PID:2804
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2680 -s 516
      2⤵
      • Program crash
      PID:2700

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\Cab7B0B.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\Tar7B1E.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • memory/2680-0-0x0000000074A0E000-0x0000000074A0F000-memory.dmp

    Filesize

    4KB

  • memory/2680-1-0x0000000000F80000-0x0000000001010000-memory.dmp

    Filesize

    576KB

  • memory/2680-87-0x0000000074A00000-0x00000000750EE000-memory.dmp

    Filesize

    6.9MB

  • memory/2680-15-0x0000000074A00000-0x00000000750EE000-memory.dmp

    Filesize

    6.9MB

  • memory/2804-13-0x0000000000400000-0x0000000000460000-memory.dmp

    Filesize

    384KB

  • memory/2804-3-0x0000000000400000-0x0000000000460000-memory.dmp

    Filesize

    384KB

  • memory/2804-5-0x0000000000400000-0x0000000000460000-memory.dmp

    Filesize

    384KB

  • memory/2804-14-0x0000000000400000-0x0000000000460000-memory.dmp

    Filesize

    384KB

  • memory/2804-16-0x0000000000400000-0x0000000000460000-memory.dmp

    Filesize

    384KB

  • memory/2804-7-0x0000000000400000-0x0000000000460000-memory.dmp

    Filesize

    384KB

  • memory/2804-8-0x0000000000400000-0x0000000000460000-memory.dmp

    Filesize

    384KB

  • memory/2804-9-0x0000000000400000-0x0000000000460000-memory.dmp

    Filesize

    384KB

  • memory/2804-10-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

    Filesize

    4KB