Analysis

  • max time kernel
    40s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    07-10-2024 23:54

General

  • Target

    f655c42917dd0c1287bcf47561c4200cb79c6240f41492f675093077d7a2e350.exe

  • Size

    580KB

  • MD5

    5b7f1ef73d64e3bd6b28f5afbf0130e1

  • SHA1

    96f329fa1ab70dfa0f6944e4ce5f742bc9be6ba7

  • SHA256

    f655c42917dd0c1287bcf47561c4200cb79c6240f41492f675093077d7a2e350

  • SHA512

    fe524a671232ca4b8929f8017a02e4c812c1dbe303696ac3d3f6ac93661b7d7a28159e567d2f70a69239ab8e9bd06bd8fd65ec9385862a617eb64ed35196120a

  • SSDEEP

    12288:rK7qQnYbvtHe/SuvGppmzclJGT5bmZxuOjex1rFD9ZE5x0f8frKa:rKtnYjvuuqzcls9mfLjextFpZE5xM8Dr

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 1 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 4 IoCs
  • Suspicious use of WriteProcessMemory 37 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f655c42917dd0c1287bcf47561c4200cb79c6240f41492f675093077d7a2e350.exe
    "C:\Users\Admin\AppData\Local\Temp\f655c42917dd0c1287bcf47561c4200cb79c6240f41492f675093077d7a2e350.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1320
    • 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:2604
      • C:\ProgramData\JJJEGHDAEC.exe
        "C:\ProgramData\JJJEGHDAEC.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1836
        • 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:1256
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1836 -s 52
          4⤵
          • Loads dropped DLL
          • Program crash
          PID:2620
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\DAAFBAKECAEG" & exit
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:556
        • C:\Windows\SysWOW64\timeout.exe
          timeout /t 10
          4⤵
          • System Location Discovery: System Language Discovery
          • Delays execution with timeout.exe
          PID:2200

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\JJJEGHDAEC.exe

    Filesize

    538KB

    MD5

    f3d141b062dc2298cd93eba8a17dd999

    SHA1

    50feb10f5872c5592bed93c698bc7cc6282a2f17

    SHA256

    acc8d2507908025af3a013002f9d97b935ea22da07a69903109ce3fd93e78b6f

    SHA512

    a7f7cdf1fe1b42b03f969107a2d75ba1c00ca8d9c640e936262315941e34594b309e3b8ca975fdd630bf139438fa2536837084867f6f20094dec05fb3862224e

  • C:\Users\Admin\AppData\Local\Temp\Cab935C.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\Tar940A.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • \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/1256-99-0x0000000000400000-0x0000000000463000-memory.dmp

    Filesize

    396KB

  • memory/1256-97-0x0000000000400000-0x0000000000463000-memory.dmp

    Filesize

    396KB

  • memory/1256-101-0x0000000000400000-0x0000000000463000-memory.dmp

    Filesize

    396KB

  • memory/1256-108-0x0000000000400000-0x0000000000463000-memory.dmp

    Filesize

    396KB

  • memory/1256-103-0x0000000000400000-0x0000000000463000-memory.dmp

    Filesize

    396KB

  • memory/1256-102-0x0000000000400000-0x0000000000463000-memory.dmp

    Filesize

    396KB

  • memory/1256-107-0x0000000000400000-0x0000000000463000-memory.dmp

    Filesize

    396KB

  • memory/1256-106-0x0000000000400000-0x0000000000463000-memory.dmp

    Filesize

    396KB

  • memory/1320-0-0x000000000044C000-0x000000000044E000-memory.dmp

    Filesize

    8KB

  • memory/1836-96-0x0000000000225000-0x0000000000226000-memory.dmp

    Filesize

    4KB

  • memory/2604-10-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/2604-17-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/2604-36-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/2604-66-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/2604-67-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/2604-68-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/2604-75-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/2604-76-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/2604-21-0x000000001B330000-0x000000001B58F000-memory.dmp

    Filesize

    2.4MB

  • memory/2604-19-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/2604-18-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/2604-37-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/2604-1-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/2604-5-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/2604-8-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/2604-9-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/2604-11-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

    Filesize

    4KB

  • memory/2604-14-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/2604-116-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/2604-12-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/2604-3-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB