Analysis

  • max time kernel
    31s
  • max time network
    32s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    04-10-2024 01:37

General

  • Target

    632e26587d3e4e371ea2bfa8ce298c4d8aef95e1e5cad8f6b73c97cb656e22c6.exe

  • Size

    559KB

  • MD5

    c01caed116f14bb01785ba57ce31f372

  • SHA1

    e51f43809fadc2087812ec13242f939438a48f67

  • SHA256

    632e26587d3e4e371ea2bfa8ce298c4d8aef95e1e5cad8f6b73c97cb656e22c6

  • SHA512

    beff1521e2809ff28ca4d9c00746a8e2217353773f25a573e769fce80f6020266f3852a45b73673ea97858fc8fb1ca27cc2a0f7c794dc631e8942b128e903b99

  • SSDEEP

    12288:PLhw2Sg/jxkhlTEuj/pntnJAWBIYwLq8Ww+DW06ENm2PsEO:dBj+jEk/TnJAYIVt+Tst

Malware Config

Extracted

Family

vidar

Version

11

Botnet

b74ef0d8ce56e494b0d83e1d5be9dbeb

C2

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

Extracted

Family

lumma

C2

https://beearvagueo.site/api

Signatures

  • Detect Vidar Stealer 13 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 8 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 49 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\632e26587d3e4e371ea2bfa8ce298c4d8aef95e1e5cad8f6b73c97cb656e22c6.exe
    "C:\Users\Admin\AppData\Local\Temp\632e26587d3e4e371ea2bfa8ce298c4d8aef95e1e5cad8f6b73c97cb656e22c6.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2532
    • 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:740
      • C:\ProgramData\IJEHCGIJEC.exe
        "C:\ProgramData\IJEHCGIJEC.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2216
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
          4⤵
            PID:1692
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
            4⤵
              PID:680
            • 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:2544
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 2216 -s 120
              4⤵
              • Loads dropped DLL
              • Program crash
              PID:2284
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\GCGCFCBAKKFB" & exit
            3⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2532
            • C:\Windows\SysWOW64\timeout.exe
              timeout /t 10
              4⤵
              • System Location Discovery: System Language Discovery
              • Delays execution with timeout.exe
              PID:2280
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2532 -s 92
          2⤵
          • Program crash
          PID:2412

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\ProgramData\IJEHCGIJEC.exe

        Filesize

        527KB

        MD5

        a9978b238babe1166131003c1be7bfb8

        SHA1

        b65655dcab6faa50e7715ea718fcdd2d6cf0e1d6

        SHA256

        f0f83c1f69adc4ea1557704dc5d9f77f40d418ff244dbc3e0afae8de367b8c21

        SHA512

        7d43f0663502c6ee033705095e2b133dfb3826174a36a20fd30e70d9f59de6f2ea84599436e88c3a11e27fa78df1e19b741526f10aa8a618a8ddab5a47e6e13e

      • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

        Filesize

        342B

        MD5

        f08f75a9a495afeaf87987c0a9d07b15

        SHA1

        acc1badf69e5a6b7323a1ef0765faed010ca07ec

        SHA256

        345f0e0600064593c425ebd656e9c1b3ebc30237674b2f2c56d9717fa75c3596

        SHA512

        39d06b106a05c3b7223d3b01fc4e97a99ce18c6e22262a677b43c69e574caaf6169696ff65a39ac5f5d147bfd70bac8bcf53abc9a27da6d4ff4c253aba49f1ee

      • C:\Users\Admin\AppData\Local\Temp\Cab7FDC.tmp

        Filesize

        70KB

        MD5

        49aebf8cbd62d92ac215b2923fb1b9f5

        SHA1

        1723be06719828dda65ad804298d0431f6aff976

        SHA256

        b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

        SHA512

        bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

      • C:\Users\Admin\AppData\Local\Temp\Tar7FFE.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/740-5-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/740-3-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/740-1-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/740-2-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/740-10-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

        Filesize

        4KB

      • memory/740-11-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/740-13-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/740-154-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/740-173-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/740-193-0x0000000020760000-0x00000000209BF000-memory.dmp

        Filesize

        2.4MB

      • memory/740-203-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/740-222-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/740-6-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/740-8-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/740-353-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/740-372-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/740-415-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/740-434-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/2532-0-0x00000000013B8000-0x00000000013B9000-memory.dmp

        Filesize

        4KB

      • memory/2544-506-0x0000000000400000-0x0000000000463000-memory.dmp

        Filesize

        396KB

      • memory/2544-504-0x0000000000400000-0x0000000000463000-memory.dmp

        Filesize

        396KB

      • memory/2544-501-0x0000000000400000-0x0000000000463000-memory.dmp

        Filesize

        396KB

      • memory/2544-499-0x0000000000400000-0x0000000000463000-memory.dmp

        Filesize

        396KB

      • memory/2544-497-0x0000000000400000-0x0000000000463000-memory.dmp

        Filesize

        396KB

      • memory/2544-495-0x0000000000400000-0x0000000000463000-memory.dmp

        Filesize

        396KB

      • memory/2544-493-0x0000000000400000-0x0000000000463000-memory.dmp

        Filesize

        396KB