Analysis

  • max time kernel
    32s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    10-09-2024 17:14

General

  • Target

    file.exe

  • Size

    283KB

  • MD5

    fa3494703899cbfa59ca491e5ab8efaf

  • SHA1

    b2b680621f92dd8d8acc96b9cfe35a83dcc935a4

  • SHA256

    8eb8822fcff05d89036329669bd654ca07ac68acbe7266d62223e2b5ad9eb67b

  • SHA512

    0e64227c198b153d765b01baf79d262d5391df9fe6e9d8c3837f906055da74181ce36a58933a08510a195e2084da71dba8560964b4de3ede140d7022f67c9578

  • SSDEEP

    6144:CTHJlIu6SZJ8QUQu3LScxXr7V52LNBfcAwfcgZVaSZnDkPQEO:CTHv7Dv5UxLSQVcHfIcg3aShyQEO

Malware Config

Extracted

Family

vidar

C2

https://t.me/fneogr

https://t.me/edm0d

https://steamcommunity.com/profiles/76561199768374681

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36 OPR/110.0.0.0

Extracted

Family

lumma

C2

https://ignoracndwko.shop/api

https://preachstrwnwjw.shop/api

https://complainnykso.shop/api

https://basedsymsotp.shop/api

https://charistmatwio.shop/api

https://grassemenwji.shop/api

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.

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Downloads MZ/PE file
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 10 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Suspicious use of SetThreadContext 3 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • 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
  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of WriteProcessMemory 49 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1792
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Checks processor information in registry
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2976
      • C:\ProgramData\FCBAEHCAEG.exe
        "C:\ProgramData\FCBAEHCAEG.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:464
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:1608
      • C:\ProgramData\DBAEGCGCGI.exe
        "C:\ProgramData\DBAEGCGCGI.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1984
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:1140
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\BAKEBFBAKKFC" & exit
        3⤵
          PID:2880
          • C:\Windows\SysWOW64\timeout.exe
            timeout /t 10
            4⤵
            • Delays execution with timeout.exe
            PID:2712

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\ProgramData\FCBAEHCAEG.exe

      Filesize

      321KB

      MD5

      e318c6ab13d30b93d2d43bf5d2c31fe5

      SHA1

      2096056b203ea938312af04ce137353eac6a03d3

      SHA256

      f43e034a2bee82ed71caf1f838be515abef3bd8bb562bdae3d5abb4f194c492d

      SHA512

      bc0bfbdf77a6da47f67201f6a1f049072ff0bb1c289eccc739c07b49c4eafe3b9053d31671f08ffdb833ee469dfcab95374ed199267fab86f38e9db7d7fbce75

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

      Filesize

      342B

      MD5

      031bac4c99d059a990faef91728ab1ab

      SHA1

      437598888b25e56efdf3859ae28287824c28e758

      SHA256

      ebd43f81da5a44698167558d909cf11cd08a342501186a4531fcf1f28f478022

      SHA512

      f1d10e6ad6c395bb79923f75178a924556f8d862b239e74c0a6609af0e30d91a7ff0e1499351627a1b6b3d1d683a6c119eb142484ae32929a3b228cf684e6ff7

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\M4TQDAHL\76561199768374681[1].htm

      Filesize

      33KB

      MD5

      3d8a3ac884b3e91bfefad0fc6762c1e3

      SHA1

      a2820a6a169095ad1133916494f030c5bf4fe794

      SHA256

      9016b640f570a44e96f4f43c5a2d86949a22bc2c96fce5c7c027cf68b279d898

      SHA512

      9d2fde575c63b204dce76a5e33d957762cdf2fc32a48a3851415d6ac67a008c8eaab3832eba50d2e5adda33800e6e83f54bc8884ab125ed5b73b3355a8cad2a8

    • C:\Users\Admin\AppData\Local\Temp\CabD8A5.tmp

      Filesize

      70KB

      MD5

      49aebf8cbd62d92ac215b2923fb1b9f5

      SHA1

      1723be06719828dda65ad804298d0431f6aff976

      SHA256

      b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

      SHA512

      bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

    • C:\Users\Admin\AppData\Local\Temp\TarD8C7.tmp

      Filesize

      181KB

      MD5

      4ea6026cf93ec6338144661bf1202cd1

      SHA1

      a1dec9044f750ad887935a01430bf49322fbdcb7

      SHA256

      8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

      SHA512

      6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

    • \ProgramData\DBAEGCGCGI.exe

      Filesize

      283KB

      MD5

      84354d3c9965d9a0878596e347a34f39

      SHA1

      f8e6d9f00d72f6f023e8d793462b7bb90cc31583

      SHA256

      4e20a0aa3d323c0a1aa676c7eb3656cdd34cb69da614b4dc8aa946f5bcb2be39

      SHA512

      2356ba4867985b609e1727f2a4877649f6c1b415d089dcef22c695baa42d3051cb6fb799eb7056ca75301a1aba47e71354e5051868f5bda04a62932a3ef72ad3

    • \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/464-521-0x0000000072C40000-0x000000007332E000-memory.dmp

      Filesize

      6.9MB

    • memory/464-499-0x0000000000EE0000-0x0000000000F34000-memory.dmp

      Filesize

      336KB

    • memory/464-498-0x0000000072C4E000-0x0000000072C4F000-memory.dmp

      Filesize

      4KB

    • memory/464-608-0x0000000072C40000-0x000000007332E000-memory.dmp

      Filesize

      6.9MB

    • memory/1140-698-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/1140-736-0x000000001DD20000-0x000000001DF7F000-memory.dmp

      Filesize

      2.4MB

    • memory/1140-717-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/1140-563-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/1608-502-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/1608-504-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/1608-501-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/1608-531-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/1608-503-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/1608-510-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/1608-508-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/1608-506-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/1608-505-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/1792-182-0x0000000074400000-0x0000000074AEE000-memory.dmp

      Filesize

      6.9MB

    • memory/1792-0-0x000000007440E000-0x000000007440F000-memory.dmp

      Filesize

      4KB

    • memory/1792-1-0x00000000012A0000-0x00000000012EA000-memory.dmp

      Filesize

      296KB

    • memory/1792-15-0x0000000074400000-0x0000000074AEE000-memory.dmp

      Filesize

      6.9MB

    • memory/1984-549-0x0000000000B90000-0x0000000000BDA000-memory.dmp

      Filesize

      296KB

    • memory/2976-9-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2976-444-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2976-425-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2976-406-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2976-363-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2976-248-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2976-213-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2976-202-0x000000001DF00000-0x000000001E15F000-memory.dmp

      Filesize

      2.4MB

    • memory/2976-183-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2976-163-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2976-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2976-12-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2976-14-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2976-17-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2976-8-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2976-3-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2976-5-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2976-6-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2976-4-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB