Analysis

  • max time kernel
    20s
  • max time network
    20s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    26/08/2024, 13:35

General

  • Target

    x86_64-w64-ranlib.exe

  • Size

    285KB

  • MD5

    b58fe0a5a58266e2d16703e7725a6f77

  • SHA1

    bbdfd57437aa760246c6cbfa7a97405344347633

  • SHA256

    b127de888f09ce23937c12b7fccfa47a8f48312b0e43eb59b6243f665c6d366a

  • SHA512

    593b6ee4955d760359afe2df9d59ae966dd393298ec67b0b8441568a3ff075a485fea199ae1434eeb2cff26b7075085e4dd42b2c40327dd45bd22e0e8f7cf8cf

  • SSDEEP

    6144:Isdo9ECUGu9ATbtJ1XN1c4KNvqhsoEG8X+UsO5XNQ:EzNu9ATb35Lhkvqhazs4

Score
10/10

Malware Config

Extracted

Family

lumma

C2

https://froytnewqowv.shop/api

https://locatedblsoqp.shop/api

https://traineiwnqo.shop/api

https://condedqpwqm.shop/api

https://millyscroqwp.shop/api

https://stagedchheiqwo.shop/api

https://stamppreewntnq.shop/api

https://caffegclasiqwp.shop/api

https://tenntysjuxmz.shop/api

Signatures

  • Lumma Stealer, LummaC

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

  • Suspicious use of SetThreadContext 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 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\x86_64-w64-ranlib.exe
    "C:\Users\Admin\AppData\Local\Temp\x86_64-w64-ranlib.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3012
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Modifies system certificate store
      PID:532

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\TarFF1C.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • memory/532-4-0x0000000000400000-0x0000000000451000-memory.dmp

    Filesize

    324KB

  • memory/532-10-0x0000000000400000-0x0000000000451000-memory.dmp

    Filesize

    324KB

  • memory/532-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/532-21-0x0000000000400000-0x0000000000451000-memory.dmp

    Filesize

    324KB

  • memory/532-19-0x0000000000400000-0x0000000000451000-memory.dmp

    Filesize

    324KB

  • memory/532-16-0x0000000000400000-0x0000000000451000-memory.dmp

    Filesize

    324KB

  • memory/532-12-0x0000000000400000-0x0000000000451000-memory.dmp

    Filesize

    324KB

  • memory/532-23-0x0000000000400000-0x0000000000451000-memory.dmp

    Filesize

    324KB

  • memory/532-8-0x0000000000400000-0x0000000000451000-memory.dmp

    Filesize

    324KB

  • memory/532-6-0x0000000000400000-0x0000000000451000-memory.dmp

    Filesize

    324KB

  • memory/532-24-0x0000000000400000-0x0000000000451000-memory.dmp

    Filesize

    324KB

  • memory/3012-17-0x0000000002320000-0x0000000004320000-memory.dmp

    Filesize

    32.0MB

  • memory/3012-0-0x0000000074BFE000-0x0000000074BFF000-memory.dmp

    Filesize

    4KB

  • memory/3012-22-0x0000000074BF0000-0x00000000752DE000-memory.dmp

    Filesize

    6.9MB

  • memory/3012-1-0x0000000000ED0000-0x0000000000F1E000-memory.dmp

    Filesize

    312KB