Resubmissions

11-01-2025 06:36

250111-hc784a1qfk 10

11-01-2025 06:09

250111-gwh8mszrhj 10

Analysis

  • max time kernel
    122s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    11-01-2025 06:09

General

  • Target

    c526b70616b224bdbabb0368a73837989b10efa25547fef4a82603251b0edd79.exe

  • Size

    381KB

  • MD5

    2c8055a9d27afb2784bdfa2c312bc366

  • SHA1

    d8110255d3197706c33461eb7b922f8aab09c52a

  • SHA256

    c526b70616b224bdbabb0368a73837989b10efa25547fef4a82603251b0edd79

  • SHA512

    6c1be09eeb8e0dc9ed141d25d483fff6e793cfa1621ee19e814af0a0afd53d964a75ba4ce3e624598fa7db1a217b7cd4b77ff71a327e8b3fe8ed19536738be6a

  • SSDEEP

    6144:72pwktDrDuMtoAAAySseHfMM/rE3jaIgHT2nC0osguHJL4jG9vKNfuCIO4+hQ3Py:L4C/AFseHEj+IgHTTOg8LDyNijZkZETW

Score
10/10

Malware Config

Extracted

Family

lumma

C2

https://cloudewahsj.shop/api

https://rabidcowse.shop/api

https://noisycuttej.shop/api

https://tirepublicerj.shop/api

https://framekgirus.shop/api

https://wholersorie.shop/api

https://abruptyopsn.shop/api

https://nearycrepso.shop/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 3 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c526b70616b224bdbabb0368a73837989b10efa25547fef4a82603251b0edd79.exe
    "C:\Users\Admin\AppData\Local\Temp\c526b70616b224bdbabb0368a73837989b10efa25547fef4a82603251b0edd79.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2644
    • C:\Users\Admin\AppData\Local\Temp\c526b70616b224bdbabb0368a73837989b10efa25547fef4a82603251b0edd79.exe
      "C:\Users\Admin\AppData\Local\Temp\c526b70616b224bdbabb0368a73837989b10efa25547fef4a82603251b0edd79.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Modifies system certificate store
      PID:2768
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2644 -s 68
      2⤵
      • Program crash
      PID:2908

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\CabFDC2.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\TarFDD4.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • memory/2644-0-0x00000000744EE000-0x00000000744EF000-memory.dmp

    Filesize

    4KB

  • memory/2644-1-0x0000000001390000-0x00000000013F4000-memory.dmp

    Filesize

    400KB

  • memory/2644-49-0x00000000744E0000-0x0000000074BCE000-memory.dmp

    Filesize

    6.9MB

  • memory/2644-13-0x00000000744E0000-0x0000000074BCE000-memory.dmp

    Filesize

    6.9MB

  • memory/2768-6-0x0000000000400000-0x000000000045B000-memory.dmp

    Filesize

    364KB

  • memory/2768-5-0x0000000000400000-0x000000000045B000-memory.dmp

    Filesize

    364KB

  • memory/2768-4-0x0000000000400000-0x000000000045B000-memory.dmp

    Filesize

    364KB

  • memory/2768-3-0x0000000000400000-0x000000000045B000-memory.dmp

    Filesize

    364KB

  • memory/2768-14-0x0000000000400000-0x000000000045B000-memory.dmp

    Filesize

    364KB

  • memory/2768-7-0x0000000000400000-0x000000000045B000-memory.dmp

    Filesize

    364KB

  • memory/2768-8-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

    Filesize

    4KB

  • memory/2768-10-0x0000000000400000-0x000000000045B000-memory.dmp

    Filesize

    364KB

  • memory/2768-12-0x0000000000400000-0x000000000045B000-memory.dmp

    Filesize

    364KB