Analysis

  • max time kernel
    40s
  • max time network
    48s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    08-10-2024 07:15

General

  • Target

    ea032d9278141463cb1aaf533b471aee.exe

  • Size

    571KB

  • MD5

    ea032d9278141463cb1aaf533b471aee

  • SHA1

    27e519e9e44219aeafeed5ab66cc2c82ef1ce031

  • SHA256

    97596ac4b0b3d839d53b03d9217c7628c977365b49e2f2f3f733441bb02556e0

  • SHA512

    2839065a5cbcefec2d2b6f9233982601c5f01e22216d34a674925ebb1c4d56fbc22d455b094913db3ed24f773489cd668caaa0707cbcf00476ca65e5358636bf

  • SSDEEP

    12288:TcEcpXoWDMa779ECxVxdlMvnYuqbzh45flvHMOLY4S:TOXomBNNLgYuq54ZBHMQ5

Malware Config

Extracted

Family

vidar

C2

http://lade.petperfectcare.com:80

https://steamcommunity.com/profiles/76561199780418869

https://t.me/ae5ed

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:130.0) Gecko/20100101 Firefox/130.0

Extracted

Family

lumma

Signatures

  • Detect Vidar Stealer 16 IoCs
  • Lumma Stealer, LummaC

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

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Downloads MZ/PE file
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 14 IoCs
  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Suspicious use of SetThreadContext 2 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Program crash 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of WriteProcessMemory 45 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ea032d9278141463cb1aaf533b471aee.exe
    "C:\Users\Admin\AppData\Local\Temp\ea032d9278141463cb1aaf533b471aee.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1452
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
      2⤵
        PID:2240
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Checks processor information in registry
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:876
        • C:\ProgramData\AFBAKKFCBF.exe
          "C:\ProgramData\AFBAKKFCBF.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:3052
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
            4⤵
            • System Location Discovery: System Language Discovery
            PID:2900
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 3052 -s 52
            4⤵
            • Loads dropped DLL
            • Program crash
            PID:1052
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\GCAKKECAEGDG" & exit
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1260
          • C:\Windows\SysWOW64\timeout.exe
            timeout /t 10
            4⤵
            • System Location Discovery: System Language Discovery
            • Delays execution with timeout.exe
            PID:320
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1452 -s 60
        2⤵
        • Program crash
        PID:2296

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\CabAA93.tmp

      Filesize

      70KB

      MD5

      49aebf8cbd62d92ac215b2923fb1b9f5

      SHA1

      1723be06719828dda65ad804298d0431f6aff976

      SHA256

      b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

      SHA512

      bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

    • C:\Users\Admin\AppData\Local\Temp\TarAAF4.tmp

      Filesize

      181KB

      MD5

      4ea6026cf93ec6338144661bf1202cd1

      SHA1

      a1dec9044f750ad887935a01430bf49322fbdcb7

      SHA256

      8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

      SHA512

      6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

    • \ProgramData\AFBAKKFCBF.exe

      Filesize

      538KB

      MD5

      604854fec692e6dfb907e6e4d2853695

      SHA1

      80a59c2fe84222b4cd27b5b7896c8b2f6a868491

      SHA256

      567383e7b9842a00300af751e9a92a88c8ec1347d5795a0ffb9cc7c488bff51b

      SHA512

      bec69f34e548033bcef6720214c9ac2f195c4004092faff5828e69170140ee392404c97bd83633a0a050568daccb4c79d656499867c0d475870c5dfaf02b9c4c

    • \ProgramData\mozglue.dll

      Filesize

      593KB

      MD5

      c8fd9be83bc728cc04beffafc2907fe9

      SHA1

      95ab9f701e0024cedfbd312bcfe4e726744c4f2e

      SHA256

      ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

      SHA512

      fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

    • \ProgramData\nss3.dll

      Filesize

      2.0MB

      MD5

      1cc453cdf74f31e4d913ff9c10acdde2

      SHA1

      6e85eae544d6e965f15fa5c39700fa7202f3aafe

      SHA256

      ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

      SHA512

      dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

    • memory/876-62-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/876-64-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/876-4-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/876-3-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/876-2-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/876-10-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/876-14-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/876-15-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/876-17-0x000000001B120000-0x000000001B37F000-memory.dmp

      Filesize

      2.4MB

    • memory/876-32-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/876-33-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/876-6-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/876-7-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

      Filesize

      4KB

    • memory/876-1-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/876-63-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/876-5-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/876-71-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/876-72-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/876-8-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/876-13-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/876-110-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/1452-0-0x00000000013ED000-0x00000000013EF000-memory.dmp

      Filesize

      8KB

    • memory/2900-96-0x0000000000400000-0x0000000000463000-memory.dmp

      Filesize

      396KB

    • memory/2900-95-0x0000000000400000-0x0000000000463000-memory.dmp

      Filesize

      396KB

    • memory/2900-94-0x0000000000400000-0x0000000000463000-memory.dmp

      Filesize

      396KB

    • memory/2900-93-0x0000000000400000-0x0000000000463000-memory.dmp

      Filesize

      396KB

    • memory/2900-108-0x0000000000400000-0x0000000000463000-memory.dmp

      Filesize

      396KB

    • memory/2900-101-0x0000000000400000-0x0000000000463000-memory.dmp

      Filesize

      396KB

    • memory/2900-100-0x0000000000400000-0x0000000000463000-memory.dmp

      Filesize

      396KB

    • memory/2900-97-0x0000000000400000-0x0000000000463000-memory.dmp

      Filesize

      396KB

    • memory/2900-98-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

      Filesize

      4KB

    • memory/3052-92-0x00000000003C5000-0x00000000003C6000-memory.dmp

      Filesize

      4KB