Analysis

  • max time kernel
    178s
  • max time network
    178s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    11-01-2025 05:57

General

  • Target

    0PENM3.zip

  • Size

    415KB

  • MD5

    6360f16fc357154d539ea645bd770275

  • SHA1

    9b4b81df7499bd09be8ae34740252998608e8797

  • SHA256

    6c1aebbf3ca02f341c5c1780855da45130d749d3c49f8d35f9f115fe7ef779f8

  • SHA512

    f374b966cc221c44ceae82af7e518920b7494d91c42e7fc39a36fd9bd4e19813bffdfbfa58b02b8855f821fbc2c9b2365ae01f0c2acbcc16699b53d839f1ff27

  • SSDEEP

    12288:dhxWN97tvj/drrcYsfgz1yCyZlz93uyXo18d4lRYqa:dhxYLrc74zsCazuhGcRYr

Score
10/10

Malware Config

Extracted

Family

lumma

C2

https://toemagnifuy.biz/api

https://fraggielek.biz/api

https://grandiouseziu.biz/api

https://littlenotii.biz/api

https://marketlumpe.biz/api

https://nuttyshopr.biz/api

https://punishzement.biz/api

https://spookycappy.biz/api

https://truculengisau.biz/api

Signatures

  • Lumma Stealer, LummaC

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

  • Lumma family
  • Executes dropped EXE 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 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 9 IoCs
  • Opens file in notepad (likely ransom note) 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 11 IoCs
  • Suspicious use of FindShellTrayWindow 5 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Program Files\7-Zip\7zFM.exe
    "C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\0PENM3.zip"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:3020
    • C:\Users\Admin\AppData\Local\Temp\7zOCCB0BC86\BootstrapperV2.exe
      "C:\Users\Admin\AppData\Local\Temp\7zOCCB0BC86\BootstrapperV2.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies system certificate store
      PID:2112
    • C:\Windows\system32\NOTEPAD.EXE
      "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\7zOCCB1A0D6\README.txt
      2⤵
      • Opens file in notepad (likely ransom note)
      PID:944
    • C:\Users\Admin\AppData\Local\Temp\7zOCCBADE97\BootstrapperV2.exe
      "C:\Users\Admin\AppData\Local\Temp\7zOCCBADE97\BootstrapperV2.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies system certificate store
      PID:1708
    • C:\Program Files\7-Zip\7zG.exe
      "C:\Program Files\7-Zip\7zG.exe" a -i#7zMap23413:92:7zEvent12224 -ad -saa -- "C:\Users\Admin\AppData\Local\Temp\0PENM3_2"
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1944
  • C:\Windows\explorer.exe
    "C:\Windows\explorer.exe"
    1⤵
      PID:1224
    • C:\Windows\system32\AUDIODG.EXE
      C:\Windows\system32\AUDIODG.EXE 0x500
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2320
    • C:\Users\Admin\Desktop\0PENM3\BootstrapperV2.exe
      "C:\Users\Admin\Desktop\0PENM3\BootstrapperV2.exe"
      1⤵
      • System Location Discovery: System Language Discovery
      PID:2080

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\7zOCCB0BC86\BootstrapperV2.exe

      Filesize

      415KB

      MD5

      fc2e0446721487d644058a889879600a

      SHA1

      41b59c8f80831d095919cda022b4b65253e2e727

      SHA256

      2a74a6655521ad0737e85cba5ad9d9f6d82122824fda7ab862524f2e7457613b

      SHA512

      f00c9a9f0d83c232c00733a42ab491788f563c923469d0c8a992c0124f5efe554e318e7d8c02601306adc1630ba61b56ef086cd99745c8612384c6bc39c229c9

    • C:\Users\Admin\AppData\Local\Temp\7zOCCB1A0D6\README.txt

      Filesize

      124B

      MD5

      3b4bb14e17a60137e3e93c7adac41bcb

      SHA1

      de09ed28df13d9325e816d0c656582a929077876

      SHA256

      bde691c014e6a2527d5ef783d065edf14bcfe83b20c1ff97c22d280633b5287e

      SHA512

      ec76f39b6ab4c6f822a1777c78212d659d86760458da9f050fba48bef12cba054573f25fc96278b49cdb163bed41a157123c01d3897226584cd1b57a653dfb50

    • C:\Users\Admin\AppData\Local\Temp\CabC831.tmp

      Filesize

      70KB

      MD5

      49aebf8cbd62d92ac215b2923fb1b9f5

      SHA1

      1723be06719828dda65ad804298d0431f6aff976

      SHA256

      b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

      SHA512

      bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

    • C:\Users\Admin\AppData\Local\Temp\TarC853.tmp

      Filesize

      181KB

      MD5

      4ea6026cf93ec6338144661bf1202cd1

      SHA1

      a1dec9044f750ad887935a01430bf49322fbdcb7

      SHA256

      8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

      SHA512

      6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

    • memory/1708-103-0x0000000000400000-0x00000000004D4000-memory.dmp

      Filesize

      848KB

    • memory/2080-105-0x0000000000400000-0x00000000004D4000-memory.dmp

      Filesize

      848KB

    • memory/2112-84-0x0000000000400000-0x00000000004D4000-memory.dmp

      Filesize

      848KB