Analysis

  • max time kernel
    122s
  • max time network
    160s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    23-09-2024 05:08

General

  • Target

    a893e20fea08c8615de1775ad3559ea6eff35b5ec3b1ab6f463924285a84f47f.exe

  • Size

    216KB

  • MD5

    ea754070163f8eca914b259096d834f0

  • SHA1

    cebf2eccad67deaf6ac9b8dc71118ad474b16868

  • SHA256

    a893e20fea08c8615de1775ad3559ea6eff35b5ec3b1ab6f463924285a84f47f

  • SHA512

    2a75b505780c6670204f5c4e2818bb1b027c88e98c9c45dde39aed786afaeff60215afb278fdd89eed58639c9eccf901836da4329d3c62c03911992b923ca225

  • SSDEEP

    6144:I/NKt5fv5P2tInQP5loWIUKp6KgjfOc2PEO:IFuxv5OinA5lJQ6Kgb6EO

Malware Config

Extracted

Family

stealc

Botnet

default

C2

http://46.8.231.109

Attributes
  • url_path

    /c4754d4f680ead72.php

Extracted

Family

vidar

Version

11

Botnet

3a15237aa92dcd8ccca447211fb5fc2a

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

Signatures

  • Detect Vidar Stealer 8 IoCs
  • Stealc

    Stealc is an infostealer written in C++.

  • 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 3 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 4 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 12 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 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a893e20fea08c8615de1775ad3559ea6eff35b5ec3b1ab6f463924285a84f47f.exe
    "C:\Users\Admin\AppData\Local\Temp\a893e20fea08c8615de1775ad3559ea6eff35b5ec3b1ab6f463924285a84f47f.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1508
    • 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
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2416
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\AdminCBGCBKFBGI.exe"
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:396
        • C:\Users\AdminCBGCBKFBGI.exe
          "C:\Users\AdminCBGCBKFBGI.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2908
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
            5⤵
            • System Location Discovery: System Language Discovery
            PID:1692
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\AdminJEHJKJEBGH.exe"
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1976
        • C:\Users\AdminJEHJKJEBGH.exe
          "C:\Users\AdminJEHJKJEBGH.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:884
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
            5⤵
            • 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:2336
            • C:\ProgramData\BKJJJDHDGD.exe
              "C:\ProgramData\BKJJJDHDGD.exe"
              6⤵
              • Executes dropped EXE
              • Suspicious use of SetThreadContext
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2736
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                7⤵
                  PID:1228
                • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                  7⤵
                  • System Location Discovery: System Language Discovery
                  PID:2512
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\IIEHJKJJJECF" & exit
                6⤵
                • System Location Discovery: System Language Discovery
                PID:2828
                • C:\Windows\SysWOW64\timeout.exe
                  timeout /t 10
                  7⤵
                  • System Location Discovery: System Language Discovery
                  • Delays execution with timeout.exe
                  PID:2764

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\ProgramData\IIEHJKJJJECF\DAECAE

      Filesize

      6KB

      MD5

      fc0928bde650cc1db298ea500a1371c2

      SHA1

      be4ca2a6d17892ad9b66a2dfab126d6c18bca32b

      SHA256

      09fd1d837e66274474fe7512cd57d7fe070d679a99dad3dd4aa774cf1fda9e24

      SHA512

      3270273bbd7be43ded7b506d8443acecc9ddd93aec9eee79257f6393ffabdca4cf93343f9955b4a75b055894b897c5d82685c88acdadd7e4828d6e6d5fccc2fb

    • C:\ProgramData\IIEHJKJJJECF\KJDGDB

      Filesize

      92KB

      MD5

      882ec2bb4bf46a0ee80134f7b7b5d2d7

      SHA1

      4f76f5db450eb1a57199f5e0bb4bb6a61b4a5d7a

      SHA256

      a101a238346d9df0fe89b33f45436042d92878d75c5528ad0b8e201b91db0402

      SHA512

      eed22fb4d714d6c438760378912286d41f4f1e1ad27d62240fd9fc3c304831567e552e2ffe2524a0869d57a0fd7c6494a1fbf1e0d8eb78f58a052be3a3c4caaf

    • C:\ProgramData\freebl3.dll

      Filesize

      669KB

      MD5

      550686c0ee48c386dfcb40199bd076ac

      SHA1

      ee5134da4d3efcb466081fb6197be5e12a5b22ab

      SHA256

      edd043f2005dbd5902fc421eabb9472a7266950c5cbaca34e2d590b17d12f5fa

      SHA512

      0b7f47af883b99f9fbdc08020446b58f2f3fa55292fd9bc78fc967dd35bdd8bd549802722de37668cc89ede61b20359190efbfdf026ae2bdc854f4740a54649e

    • C:\ProgramData\softokn3.dll

      Filesize

      251KB

      MD5

      4e52d739c324db8225bd9ab2695f262f

      SHA1

      71c3da43dc5a0d2a1941e874a6d015a071783889

      SHA256

      74ebbac956e519e16923abdc5ab8912098a4f64e38ddcb2eae23969f306afe5a

      SHA512

      2d4168a69082a9192b9248f7331bd806c260478ff817567df54f997d7c3c7d640776131355401e4bdb9744e246c36d658cb24b18de67d8f23f10066e5fe445f6

    • C:\ProgramData\vcruntime140.dll

      Filesize

      78KB

      MD5

      a37ee36b536409056a86f50e67777dd7

      SHA1

      1cafa159292aa736fc595fc04e16325b27cd6750

      SHA256

      8934aaeb65b6e6d253dfe72dea5d65856bd871e989d5d3a2a35edfe867bb4825

      SHA512

      3a7c260646315cf8c01f44b2ec60974017496bd0d80dd055c7e43b707cadba2d63aab5e0efd435670aa77886ed86368390d42c4017fc433c3c4b9d1c47d0f356

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

      Filesize

      342B

      MD5

      64bca4f742b53cb7c16b263b3f8d3621

      SHA1

      bc2b1302eb594f51a937c3da250258a45a587205

      SHA256

      e0c1918d6a21594678e7abff6aeae881e861e70ccfdf66fca8eef1df4e5c2bc1

      SHA512

      f38aeb202db1652eea548b2b50bc44f93402a6fcc7807fb7db74c98107199514d4b2b2cc4b0ea56ff0b4f2aa6a8de2bd1905b7e937a01fd84aeb947a3d29c885

    • C:\Users\Admin\AppData\Local\Temp\CabD654.tmp

      Filesize

      70KB

      MD5

      49aebf8cbd62d92ac215b2923fb1b9f5

      SHA1

      1723be06719828dda65ad804298d0431f6aff976

      SHA256

      b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

      SHA512

      bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

    • C:\Users\Admin\AppData\Local\Temp\TarD676.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

    • \Users\AdminCBGCBKFBGI.exe

      Filesize

      381KB

      MD5

      f5a1956973dce107d4c0b6267ce88870

      SHA1

      79a19513d7c9cff939f2881c4172a05dbaef735b

      SHA256

      7b794c5bdb820791f0359da90a9a4f258412b8feef9c6e6a0411f6aead9d3a04

      SHA512

      f42180c75c0ae8dc083c6fff98a66c0d875fadb400d7945816ea330a54777632a3a7752d3e78b90e45f58ed3d04d6708b1dcea51d82711356e6d14e405a7c579

    • \Users\AdminJEHJKJEBGH.exe

      Filesize

      413KB

      MD5

      76b81bbaa929e92a0885267869e62fdf

      SHA1

      16ee3b53fd9d0fe6bd7fc75ac961a21bfd9fae51

      SHA256

      f59f82ea9cbaa95389bbec5f80b427daa2e575c2827eaaede006590810809f9c

      SHA512

      67d4fb8ed2c767871a307c54fddc86fa4df07ccfa943eeb61e6e8960c4038fb8a38118a69cbb7a6364dde6c11fd3139b8c5f91e029a437dad0d39202383ac3cd

    • memory/884-167-0x0000000002300000-0x0000000004300000-memory.dmp

      Filesize

      32.0MB

    • memory/884-115-0x0000000000360000-0x00000000003C8000-memory.dmp

      Filesize

      416KB

    • memory/1508-4-0x0000000074E80000-0x000000007556E000-memory.dmp

      Filesize

      6.9MB

    • memory/1508-2-0x0000000074E80000-0x000000007556E000-memory.dmp

      Filesize

      6.9MB

    • memory/1508-0-0x0000000074E8E000-0x0000000074E8F000-memory.dmp

      Filesize

      4KB

    • memory/1508-19-0x0000000074E80000-0x000000007556E000-memory.dmp

      Filesize

      6.9MB

    • memory/1508-1-0x0000000000C50000-0x0000000000C88000-memory.dmp

      Filesize

      224KB

    • memory/1692-99-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/1692-94-0x0000000000400000-0x0000000000464000-memory.dmp

      Filesize

      400KB

    • memory/1692-95-0x0000000000400000-0x0000000000464000-memory.dmp

      Filesize

      400KB

    • memory/1692-100-0x0000000000400000-0x0000000000464000-memory.dmp

      Filesize

      400KB

    • memory/1692-96-0x0000000000400000-0x0000000000464000-memory.dmp

      Filesize

      400KB

    • memory/1692-107-0x0000000000400000-0x0000000000464000-memory.dmp

      Filesize

      400KB

    • memory/1692-97-0x0000000000400000-0x0000000000464000-memory.dmp

      Filesize

      400KB

    • memory/1692-98-0x0000000000400000-0x0000000000464000-memory.dmp

      Filesize

      400KB

    • memory/1692-104-0x0000000000400000-0x0000000000464000-memory.dmp

      Filesize

      400KB

    • memory/2336-163-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/2336-277-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/2336-155-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/2336-157-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/2336-166-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/2336-168-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/2336-170-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/2336-161-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/2336-159-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/2336-153-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/2416-20-0x0000000000400000-0x0000000000643000-memory.dmp

      Filesize

      2.3MB

    • memory/2416-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2416-123-0x0000000000400000-0x0000000000643000-memory.dmp

      Filesize

      2.3MB

    • memory/2416-9-0x0000000000400000-0x0000000000643000-memory.dmp

      Filesize

      2.3MB

    • memory/2416-5-0x0000000000400000-0x0000000000643000-memory.dmp

      Filesize

      2.3MB

    • memory/2416-21-0x0000000000400000-0x0000000000643000-memory.dmp

      Filesize

      2.3MB

    • memory/2416-7-0x0000000000400000-0x0000000000643000-memory.dmp

      Filesize

      2.3MB

    • memory/2416-11-0x0000000000400000-0x0000000000643000-memory.dmp

      Filesize

      2.3MB

    • memory/2416-16-0x0000000000400000-0x0000000000643000-memory.dmp

      Filesize

      2.3MB

    • memory/2416-22-0x0000000000400000-0x0000000000643000-memory.dmp

      Filesize

      2.3MB

    • memory/2416-102-0x0000000000400000-0x0000000000643000-memory.dmp

      Filesize

      2.3MB

    • memory/2416-13-0x0000000000400000-0x0000000000643000-memory.dmp

      Filesize

      2.3MB

    • memory/2416-23-0x0000000061E00000-0x0000000061EF3000-memory.dmp

      Filesize

      972KB

    • memory/2736-620-0x0000000000C10000-0x0000000000C70000-memory.dmp

      Filesize

      384KB

    • memory/2908-101-0x0000000002130000-0x0000000004130000-memory.dmp

      Filesize

      32.0MB

    • memory/2908-91-0x0000000073C30000-0x000000007431E000-memory.dmp

      Filesize

      6.9MB

    • memory/2908-90-0x00000000008D0000-0x0000000000930000-memory.dmp

      Filesize

      384KB

    • memory/2908-106-0x0000000073C30000-0x000000007431E000-memory.dmp

      Filesize

      6.9MB

    • memory/2908-89-0x0000000073C3E000-0x0000000073C3F000-memory.dmp

      Filesize

      4KB

    • memory/2908-108-0x0000000073C30000-0x000000007431E000-memory.dmp

      Filesize

      6.9MB