Analysis

  • max time kernel
    117s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    08/09/2024, 01:10

General

  • Target

    656c58153302a82bdc4994a170163628f1aedd101b0efe6471b5af0d4173c1f5.exe

  • Size

    294KB

  • MD5

    20c0e4911043acdf83cd6f5818060b6d

  • SHA1

    b38d5071947e729ea05caa84958b515b53da5db6

  • SHA256

    656c58153302a82bdc4994a170163628f1aedd101b0efe6471b5af0d4173c1f5

  • SHA512

    aece9c46c5274e3660016d2795ccc0eae9578fa40ec39679e8385398675fcfbc2d08d7ed105cbafb75ced2224ee8e76720e2bf41d2c25f4a7992fa245b71543b

  • SSDEEP

    6144:RTdOxN3KvIKuzpHwR9WUoNAsWKGHgVmA5EO:jOwIKJR0NLSAf5EO

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://commisionipwn.shop/api

https://preachstrwnwjw.shop/api

https://complainnykso.shop/api

https://basedsymsotp.shop/api

https://charistmatwio.shop/api

https://grassemenwji.shop/api

https://ignoracndwko.shop/api

https://stitchmiscpaew.shop/api

https://tenntysjuxmz.shop/api

Signatures

  • Detect Vidar Stealer 22 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 8 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 4 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 9 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\656c58153302a82bdc4994a170163628f1aedd101b0efe6471b5af0d4173c1f5.exe
    "C:\Users\Admin\AppData\Local\Temp\656c58153302a82bdc4994a170163628f1aedd101b0efe6471b5af0d4173c1f5.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2644
    • 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:2800
      • C:\ProgramData\BAEBFIIECB.exe
        "C:\ProgramData\BAEBFIIECB.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2268
        • 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:2384
      • C:\ProgramData\FIJDGIJJKE.exe
        "C:\ProgramData\FIJDGIJJKE.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2236
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
          4⤵
            PID:1420
          • 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
            • Checks processor information in registry
            • Modifies system certificate store
            • Suspicious behavior: EnumeratesProcesses
            PID:1556
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\FBFCFIEBKEGH" & exit
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2644
          • C:\Windows\SysWOW64\timeout.exe
            timeout /t 10
            4⤵
            • System Location Discovery: System Language Discovery
            • Delays execution with timeout.exe
            PID:2736

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\ProgramData\DHDAFBFCFHID\GHCAAA

      Filesize

      92KB

      MD5

      5a11d4c52a76804780cbb414b2595bdb

      SHA1

      14c89a2283c41b10ce8f1576404e1541c04a8125

      SHA256

      e1b3260b2607c6a5fcf91575d1de278deceaf4e5f9f0530a3782c6d9567749d8

      SHA512

      0bffe811cbba5278d39e20b66a5c4770e3855d1f5cbd45161e8ad304b78da73f555a3c42a198378efab3dfc81f384fdaefc6cbb893a708c7e2649a89fdd11762

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

      Filesize

      342B

      MD5

      68e4522f28c01693577108430621fb55

      SHA1

      a1898da73033521eb43fd8d928350836e71f19d5

      SHA256

      9b45f10a6ac323a563224e17947b06ea5c1bd6a9c76b395282e488c2fc27bb43

      SHA512

      19b78def188039057afcebe66715aeadcbeaa7feb69fdad4095934aabb5e0892d92933ab226529d3e0d5cf6d73f37afd62b70a01bb201e7132d128aac5747b07

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

      Filesize

      342B

      MD5

      3a026393721fe6aaba7cbe07401dda7d

      SHA1

      9657fcf3347f15fa961b3f72fb676132f4bb5463

      SHA256

      17693e572c8470c5a44d182873faa8867139ae635b94ccc5d66bbccc12f895e5

      SHA512

      15b57cad6431add4f8e96cad8abd77978e778b2a116ef0a31fa3a8eef13992526f3d7d73fcf347673e7eb302f79a377521f8bf76a1d39a776b183612b166303c

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\WCATT3E5\76561199768374681[1].htm

      Filesize

      33KB

      MD5

      9970471c7674c513d2de4b646194333e

      SHA1

      180b92c6130dddbd8d3cf2ce7913a8f7ce61e6fb

      SHA256

      ecec13dabaca1155020852fc1c1aed2fe0a7d6cf2bb165cad99b70c3bc7efd7e

      SHA512

      8e7454f28621258afee3783c9d7954e10389c26bba85fdcbe33252761bc4f4784fc058c1d5e4768e071d771ce2f0d6af0b6bef934ee458f8125d8392443c6404

    • C:\Users\Admin\AppData\Local\Temp\CabFCA9.tmp

      Filesize

      70KB

      MD5

      49aebf8cbd62d92ac215b2923fb1b9f5

      SHA1

      1723be06719828dda65ad804298d0431f6aff976

      SHA256

      b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

      SHA512

      bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

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

      Filesize

      181KB

      MD5

      4ea6026cf93ec6338144661bf1202cd1

      SHA1

      a1dec9044f750ad887935a01430bf49322fbdcb7

      SHA256

      8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

      SHA512

      6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

    • \ProgramData\BAEBFIIECB.exe

      Filesize

      321KB

      MD5

      3cc3c64c344fe15ed1ff28b4708b4e69

      SHA1

      89b21a0cf98cf01b412750cee558b7b857b7f95e

      SHA256

      9cd036f0f1f2b9e229d9449c958da1d3528c0955069e5e3c02c0a0d629dfd1d7

      SHA512

      d7fd0ea18e706044d726e3190e6be84a209e931ecc8d2bddbb50da3f179484789110ae63c497b4410450f89f952424662b052e5960bb5ca2e0d63f8bf19270bd

    • \ProgramData\FIJDGIJJKE.exe

      Filesize

      283KB

      MD5

      a8fef7b198fa122ead5bcf5b84f2737b

      SHA1

      00ac0d1d6354ba397ea4d69265ed227817a29d8f

      SHA256

      798773e476a288869b80bc5b3029f754a5b890cd02b2dedfbb8e9d4aecc39f30

      SHA512

      acf483ef4846e1bff039c615eca505547e3739c979a6ecf08bda31869d69c3b71dcbdab045ac28bfcd5bd8bc92201fd5841b54c48ccb39986b712a99f8ef7d3b

    • \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/1556-619-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/1556-625-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/1556-626-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/1556-777-0x000000001DDC0000-0x000000001E01F000-memory.dmp

      Filesize

      2.4MB

    • memory/1556-776-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/1556-739-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/1556-627-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/1556-617-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/1556-629-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/1556-621-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/1556-623-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2236-575-0x0000000001040000-0x000000000108A000-memory.dmp

      Filesize

      296KB

    • memory/2268-547-0x00000000727AE000-0x00000000727AF000-memory.dmp

      Filesize

      4KB

    • memory/2268-546-0x0000000000EF0000-0x0000000000F44000-memory.dmp

      Filesize

      336KB

    • memory/2384-718-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/2384-706-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/2384-714-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/2384-712-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/2384-710-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/2384-708-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/2384-717-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/2384-720-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/2644-0-0x0000000073EFE000-0x0000000073EFF000-memory.dmp

      Filesize

      4KB

    • memory/2644-14-0x0000000073EF0000-0x00000000745DE000-memory.dmp

      Filesize

      6.9MB

    • memory/2644-1-0x0000000000880000-0x00000000008CE000-memory.dmp

      Filesize

      312KB

    • memory/2800-8-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2800-16-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2800-11-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2800-432-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2800-413-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2800-4-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2800-5-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2800-384-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2800-351-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2800-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2800-220-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2800-201-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2800-191-0x0000000020170000-0x00000000203CF000-memory.dmp

      Filesize

      2.4MB

    • memory/2800-171-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2800-152-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2800-7-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2800-6-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2800-13-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2800-3-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB