Analysis

  • max time kernel
    52s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    10-09-2024 02:06

General

  • Target

    9c1173238ad24a2c0f1b36e424a3e9f94c41ab757c8897e4b57b9212fb8d4fd4.exe

  • Size

    293KB

  • MD5

    b525b80d2056db699ed31d53b5955588

  • SHA1

    6255e3315403e648658c4aa58296c4c63a998bc1

  • SHA256

    9c1173238ad24a2c0f1b36e424a3e9f94c41ab757c8897e4b57b9212fb8d4fd4

  • SHA512

    b174315e9f6f7ce26c8285aaa0a5ca3f2b3ae4545dfdd6cb6eff3a581ad811b502e6cb4249dcd270ba6bb8deaf31d3f656242332d4eb59a48075b23a03e16ff7

  • SSDEEP

    6144:zrOMp+74wxjRj1EOeIG9hilRRAroUuZULldYKq9HEO:+T0Aj1z74iMrorKqJEO

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

https://stitchmiscpaew.shop/api

https://commisionipwn.shop/api

https://tenntysjuxmz.shop/api

Signatures

  • Detect Vidar Stealer 18 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 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of WriteProcessMemory 49 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9c1173238ad24a2c0f1b36e424a3e9f94c41ab757c8897e4b57b9212fb8d4fd4.exe
    "C:\Users\Admin\AppData\Local\Temp\9c1173238ad24a2c0f1b36e424a3e9f94c41ab757c8897e4b57b9212fb8d4fd4.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2384
    • 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:2892
      • C:\ProgramData\DAAAFBKECA.exe
        "C:\ProgramData\DAAAFBKECA.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2440
        • 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
          • Modifies system certificate store
          PID:860
      • C:\ProgramData\FHCAEGCBFH.exe
        "C:\ProgramData\FHCAEGCBFH.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1720
        • 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:912
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\GCBKFBFCGIEH" & exit
        3⤵
          PID:2752
          • C:\Windows\SysWOW64\timeout.exe
            timeout /t 10
            4⤵
            • Delays execution with timeout.exe
            PID:2844

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      342B

      MD5

      2a6265e65e56ab03b7992f87b0ee5e7c

      SHA1

      a75781008773aee805606b6e0957fb16eb7678ca

      SHA256

      91906960b0b587ceaaaf99c8d8d23a4ec61595d10445ad72a69a93097bd08dfa

      SHA512

      74a6c918438199040ca06fcfe62c170672066b9133ffc4aa62553f156f9e6ca292e14af2b1d3c427c8c22abd4eeb0cf51e11b49a759d92e334ccd4f7fdd1c2de

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

      Filesize

      33KB

      MD5

      621859ce68a376fe6797c9c94cd562e9

      SHA1

      a3e4da804b7ce595e6f62258a8b5dd746a462375

      SHA256

      ed57d3e2bfb7d60c741b474ba6f92b7d9a7b039364c894d9e68e2870502ecb22

      SHA512

      faf7558c07abf6cfe92419a2ddd1ef4b7eb86d3e38c6ff8adda079d5ebae7da8aac1e95a10f9a5dc8cd137b2f2fa433fe679576b02745d456b130360cd720b87

    • C:\Users\Admin\AppData\Local\Temp\CabE487.tmp

      Filesize

      70KB

      MD5

      49aebf8cbd62d92ac215b2923fb1b9f5

      SHA1

      1723be06719828dda65ad804298d0431f6aff976

      SHA256

      b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

      SHA512

      bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

    • C:\Users\Admin\AppData\Local\Temp\TarE4A9.tmp

      Filesize

      181KB

      MD5

      4ea6026cf93ec6338144661bf1202cd1

      SHA1

      a1dec9044f750ad887935a01430bf49322fbdcb7

      SHA256

      8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

      SHA512

      6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

    • \ProgramData\DAAAFBKECA.exe

      Filesize

      321KB

      MD5

      e318c6ab13d30b93d2d43bf5d2c31fe5

      SHA1

      2096056b203ea938312af04ce137353eac6a03d3

      SHA256

      f43e034a2bee82ed71caf1f838be515abef3bd8bb562bdae3d5abb4f194c492d

      SHA512

      bc0bfbdf77a6da47f67201f6a1f049072ff0bb1c289eccc739c07b49c4eafe3b9053d31671f08ffdb833ee469dfcab95374ed199267fab86f38e9db7d7fbce75

    • \ProgramData\FHCAEGCBFH.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/860-505-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/860-506-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/860-507-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/860-512-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/860-517-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/860-508-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/860-509-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/860-514-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/912-721-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/912-740-0x000000001DC50000-0x000000001DEAF000-memory.dmp

      Filesize

      2.4MB

    • memory/912-702-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/1720-553-0x0000000000F40000-0x0000000000F8A000-memory.dmp

      Filesize

      296KB

    • memory/2384-0-0x000000007463E000-0x000000007463F000-memory.dmp

      Filesize

      4KB

    • memory/2384-187-0x0000000074630000-0x0000000074D1E000-memory.dmp

      Filesize

      6.9MB

    • memory/2384-16-0x0000000074630000-0x0000000074D1E000-memory.dmp

      Filesize

      6.9MB

    • memory/2384-1-0x0000000000A10000-0x0000000000A5A000-memory.dmp

      Filesize

      296KB

    • memory/2440-516-0x0000000072E50000-0x000000007353E000-memory.dmp

      Filesize

      6.9MB

    • memory/2440-503-0x00000000000A0000-0x00000000000F4000-memory.dmp

      Filesize

      336KB

    • memory/2440-502-0x0000000072E5E000-0x0000000072E5F000-memory.dmp

      Filesize

      4KB

    • memory/2892-23-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2892-448-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2892-429-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2892-401-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2892-367-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2892-261-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2892-217-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2892-206-0x00000000203B0000-0x000000002060F000-memory.dmp

      Filesize

      2.4MB

    • memory/2892-186-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2892-167-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2892-20-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2892-18-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2892-15-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2892-10-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2892-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2892-610-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2892-11-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2892-7-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2892-3-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2892-5-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2892-12-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB