Analysis

  • max time kernel
    68s
  • max time network
    134s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    09-09-2024 13:57

General

  • Target

    file.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://charistmatwio.shop/api

https://preachstrwnwjw.shop/api

https://complainnykso.shop/api

https://basedsymsotp.shop/api

https://grassemenwji.shop/api

https://ignoracndwko.shop/api

https://stitchmiscpaew.shop/api

https://commisionipwn.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 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 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:2248
    • 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:2792
      • C:\ProgramData\IIDAAFBGDB.exe
        "C:\ProgramData\IIDAAFBGDB.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1944
        • 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:2524
      • C:\ProgramData\JJEGIJEGDB.exe
        "C:\ProgramData\JJEGIJEGDB.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2316
        • 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:1728
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\EHIDAKECFIEB" & exit
        3⤵
          PID:2204
          • C:\Windows\SysWOW64\timeout.exe
            timeout /t 10
            4⤵
            • Delays execution with timeout.exe
            PID:2932

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      342B

      MD5

      048493ab69a0f16f0693372cb9fc436d

      SHA1

      595f7d3580ad580dc6d80c4a3dc8233f5585786d

      SHA256

      4dbe429fb1d91fdfc067f10dfc33c262ecc194f53b46d1508d757dd269302f37

      SHA512

      72e8590da380bbf474f218808367e9e762a5bfcf65c4736d640784fd6bda6bed6056cfb256ec275b39fc61e7a272573a31398170de4aac4c472dadc42cf04e09

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

      Filesize

      342B

      MD5

      4368b8153a5e559c71a2b25c4174489a

      SHA1

      73cec9bb19caab32a836d7033284f561526a4162

      SHA256

      88f5997458cbe444273e5655d85101128223584cc2f82cde412959a6b562830f

      SHA512

      373388e92a4f0cb16a5f483224f42f292fb949fc0359787295faa630043b8bffaa64f580baa429398beddef6d9a93011f70653471e9c408182fca5374ce790a5

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

      Filesize

      342B

      MD5

      7a54bd3aaaa2026bc63976365f22badd

      SHA1

      07247d40c4726fa24eeb14e9e8f1430113368eea

      SHA256

      97e325bf99d62b3cd3f283b1062d2af7ba6897323808251fb6e47659d5f5dd19

      SHA512

      417111535ef77eb8d0086618af32d4ee3dccccf86aec3db6053adf9e187bd849333fdc7a9cb48fce802bea9614df58e015f7ec49bf8d8eff333be2bfd065ff62

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\56KJ964X\76561199768374681[1].htm

      Filesize

      33KB

      MD5

      a7d18b42aeabf65c0c78d0d038e72779

      SHA1

      5db9c056c627574e9163cf26347411df007f43dd

      SHA256

      0f438c9ce6f6874bfb7f92c5d9314508ea580b5517ed7ed18b16e777bc6371bb

      SHA512

      742237f6b605456eafeab2decb9c99c0c1e8f56ae0535828bb5bbbf12e37b0616d9232ab3bc8a88e9ba138bc3c3dfcbaf9102acc648edc0b39dde111ac7aaa66

    • C:\Users\Admin\AppData\Local\Temp\Cab5302.tmp

      Filesize

      70KB

      MD5

      49aebf8cbd62d92ac215b2923fb1b9f5

      SHA1

      1723be06719828dda65ad804298d0431f6aff976

      SHA256

      b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

      SHA512

      bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

    • C:\Users\Admin\AppData\Local\Temp\Tar5334.tmp

      Filesize

      181KB

      MD5

      4ea6026cf93ec6338144661bf1202cd1

      SHA1

      a1dec9044f750ad887935a01430bf49322fbdcb7

      SHA256

      8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

      SHA512

      6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

    • \ProgramData\IIDAAFBGDB.exe

      Filesize

      331KB

      MD5

      a262d309528b0bbf3f0865d55d86dc2e

      SHA1

      77b5788a950f19bcb6e0c653f8e31a664b618820

      SHA256

      f8861ee76ab52271e7fe9e9b9d15d3a042d9aab97dfd078f213564c7094d3f3b

      SHA512

      e89d4954365d43f9d177cc14a348ecdbcbe049739d14f1be372287dd14002ac715761f575c456b528f190fea2d2ab83521f6bfd814763365139f66ee7153540e

    • \ProgramData\JJEGIJEGDB.exe

      Filesize

      293KB

      MD5

      b525b80d2056db699ed31d53b5955588

      SHA1

      6255e3315403e648658c4aa58296c4c63a998bc1

      SHA256

      9c1173238ad24a2c0f1b36e424a3e9f94c41ab757c8897e4b57b9212fb8d4fd4

      SHA512

      b174315e9f6f7ce26c8285aaa0a5ca3f2b3ae4545dfdd6cb6eff3a581ad811b502e6cb4249dcd270ba6bb8deaf31d3f656242332d4eb59a48075b23a03e16ff7

    • \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/1728-565-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/1728-699-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/1728-736-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/1944-500-0x0000000001230000-0x0000000001284000-memory.dmp

      Filesize

      336KB

    • memory/1944-499-0x000000007339E000-0x000000007339F000-memory.dmp

      Filesize

      4KB

    • memory/1944-515-0x0000000073390000-0x0000000073A7E000-memory.dmp

      Filesize

      6.9MB

    • memory/1944-513-0x0000000073390000-0x0000000073A7E000-memory.dmp

      Filesize

      6.9MB

    • memory/2248-0-0x000000007496E000-0x000000007496F000-memory.dmp

      Filesize

      4KB

    • memory/2248-1-0x00000000002B0000-0x00000000002FA000-memory.dmp

      Filesize

      296KB

    • memory/2248-15-0x0000000074960000-0x000000007504E000-memory.dmp

      Filesize

      6.9MB

    • memory/2316-551-0x00000000013E0000-0x000000000142A000-memory.dmp

      Filesize

      296KB

    • memory/2524-505-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/2524-507-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2524-509-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/2524-504-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/2524-503-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/2524-511-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/2524-506-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/2524-514-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/2524-502-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/2792-8-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2792-445-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2792-426-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2792-398-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2792-364-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2792-249-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2792-214-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2792-200-0x000000001D7A0000-0x000000001D9FF000-memory.dmp

      Filesize

      2.4MB

    • memory/2792-198-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2792-161-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2792-4-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2792-5-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2792-7-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2792-9-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2792-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2792-12-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2792-14-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2792-17-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2792-3-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB