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Analysis

  • max time kernel
    122s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    29/09/2024, 19:30

General

  • Target

    c45269675dbf15f6ef65637952f5e57c50f124f2182bb6d526cff137bdd07008.exe

  • Size

    326KB

  • MD5

    93d82638ef554a5117ce5b0d23449d01

  • SHA1

    72f96fae5b89aec666887d34655552e8f9cca90b

  • SHA256

    c45269675dbf15f6ef65637952f5e57c50f124f2182bb6d526cff137bdd07008

  • SHA512

    271b1a758070354bb1ae8530c21fa7a25937f739b1d2844dc0c23a8984e3a8e5b0478e7bc6053e36dbcaa460eca814e751d770553b224c0081e46981d8ad2a79

  • SSDEEP

    6144:G64ysmRhhpPdrxp7jylbwq6sua07m680VqjS65EkSDcVtw4ufST7/JcG6EO:GdmnVxp0XNua07m30Vqjz5EHAVO4u672

Malware Config

Extracted

Family

stealc

Botnet

default

C2

http://46.8.231.109

Attributes
  • url_path

    /c4754d4f680ead72.php

Extracted

Family

vidar

Version

11

Botnet

a669a86f8433a1e88901711c0f772c97

C2

https://t.me/jamsemlg

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

Extracted

Family

lumma

Extracted

Family

lumma

C2

https://possiwreeste.site/api

https://underlinemdsj.site/api

https://chaptermusu.store/api

Signatures

  • Detect Vidar Stealer 10 IoCs
  • Lumma Stealer, LummaC

    Lumma or LummaC is an infostealer written in C++ first seen in August 2022.

  • Stealc

    Stealc is an infostealer written in C++.

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Downloads MZ/PE file
  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 14 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 3 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 5 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 14 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 6 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 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c45269675dbf15f6ef65637952f5e57c50f124f2182bb6d526cff137bdd07008.exe
    "C:\Users\Admin\AppData\Local\Temp\c45269675dbf15f6ef65637952f5e57c50f124f2182bb6d526cff137bdd07008.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2392
    • 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:2680
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\AdminIEBFIEBAFC.exe"
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:660
        • C:\Users\AdminIEBFIEBAFC.exe
          "C:\Users\AdminIEBFIEBAFC.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1012
          • 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
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of WriteProcessMemory
            PID:2660
            • C:\ProgramData\FHIIEHJKKE.exe
              "C:\ProgramData\FHIIEHJKKE.exe"
              6⤵
              • Executes dropped EXE
              • Suspicious use of SetThreadContext
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2344
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                7⤵
                  PID:2644
                • 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:2072
              • C:\ProgramData\JKFIDGDHJE.exe
                "C:\ProgramData\JKFIDGDHJE.exe"
                6⤵
                • Executes dropped EXE
                • Suspicious use of SetThreadContext
                • System Location Discovery: System Language Discovery
                PID:1456
                • 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
                  • Checks processor information in registry
                  • Suspicious behavior: EnumeratesProcesses
                  PID:1816
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\IDAAFBGDBKJJ" & exit
                6⤵
                • System Location Discovery: System Language Discovery
                PID:324
                • C:\Windows\SysWOW64\timeout.exe
                  timeout /t 10
                  7⤵
                  • System Location Discovery: System Language Discovery
                  • Delays execution with timeout.exe
                  PID:2908
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\AdminECAFHDBGHJ.exe"
          3⤵
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2132
          • C:\Users\AdminECAFHDBGHJ.exe
            "C:\Users\AdminECAFHDBGHJ.exe"
            4⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:1132
            • 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
              • Modifies system certificate store
              PID:1404

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\ProgramData\IDAAFBGDBKJJ\IECGHJ

      Filesize

      92KB

      MD5

      102841a614a648b375e94e751611b38f

      SHA1

      1368e0d6d73fa3cee946bdbf474f577afffe2a43

      SHA256

      c82ee2a0dc2518cb1771e07ce4b91f5ef763dd3dd006819aece867e82a139264

      SHA512

      ca18a888dca452c6b08ad9f14b4936eb9223346c45c96629c3ee4dd6742e947b6825662b42e793135e205af77ad35e6765ac6a2b42cefed94781b3463a811f0a

    • C:\ProgramData\IDAAFBGDBKJJ\JKEBFB

      Filesize

      6KB

      MD5

      b4c5fa004ff3aec128efdc5b73eab4db

      SHA1

      947b8841443d6a4096d3b5fcbacc728f3c5280ff

      SHA256

      b73a2a8e918183d8247f663f16bdb2412dcb63b044169b14b48f1100b8920a73

      SHA512

      f036dc20350b84975a9b9596dfb5b18ce07d95fe76c4cfc5f52d133e9a7765c2d682953d8650f61871298c91eb4e65bc1486b64aaa8c1816ff9a86c423f52e60

    • C:\ProgramData\KEHCAFHIJECG\DBKKFC

      Filesize

      46KB

      MD5

      02d2c46697e3714e49f46b680b9a6b83

      SHA1

      84f98b56d49f01e9b6b76a4e21accf64fd319140

      SHA256

      522cad95d3fa6ebb3274709b8d09bbb1ca37389d0a924cd29e934a75aa04c6c9

      SHA512

      60348a145bfc71b1e07cb35fa79ab5ff472a3d0a557741ea2d39b3772bc395b86e261bd616f65307ae0d997294e49b5548d32f11e86ef3e2704959ca63da8aac

    • C:\ProgramData\KEHCAFHIJECG\GCGDHJ

      Filesize

      20KB

      MD5

      c9ff7748d8fcef4cf84a5501e996a641

      SHA1

      02867e5010f62f97ebb0cfb32cb3ede9449fe0c9

      SHA256

      4d3f3194cb1133437aa69bb880c8cbb55ddf06ff61a88ca6c3f1bbfbfd35d988

      SHA512

      d36054499869a8f56ac8547ccd5455f1252c24e17d2b185955390b32da7e2a732ace4e0f30f9493fcc61425a2e31ed623465f998f41af69423ee0e3ed1483a73

    • C:\ProgramData\freebl3.dll

      Filesize

      669KB

      MD5

      550686c0ee48c386dfcb40199bd076ac

      SHA1

      ee5134da4d3efcb466081fb6197be5e12a5b22ab

      SHA256

      edd043f2005dbd5902fc421eabb9472a7266950c5cbaca34e2d590b17d12f5fa

      SHA512

      0b7f47af883b99f9fbdc08020446b58f2f3fa55292fd9bc78fc967dd35bdd8bd549802722de37668cc89ede61b20359190efbfdf026ae2bdc854f4740a54649e

    • C:\ProgramData\msvcp140.dll

      Filesize

      439KB

      MD5

      5ff1fca37c466d6723ec67be93b51442

      SHA1

      34cc4e158092083b13d67d6d2bc9e57b798a303b

      SHA256

      5136a49a682ac8d7f1ce71b211de8688fce42ed57210af087a8e2dbc8a934062

      SHA512

      4802ef62630c521d83a1d333969593fb00c9b38f82b4d07f70fbd21f495fea9b3f67676064573d2c71c42bc6f701992989742213501b16087bb6110e337c7546

    • 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\AdminECAFHDBGHJ.exe

      Filesize

      371KB

      MD5

      ef2d9238d30f4857b7ecf50694959c83

      SHA1

      c06bfb85533d2fb2fa7f44d8fd9a58423793d55c

      SHA256

      d26a4f1cc1c1a80477122de0446aa7a669f91c70b34a167f89549ee569eaf53e

      SHA512

      94f281f8b8c88f53acd364488c5cc72549d3d90827c4239a0f7d8c1c81e253b9fa5cd8b26eeb65aaef10b4ca9f264f99ac366c56b052fd8ea91543782e51dc02

    • C:\Users\AdminIEBFIEBAFC.exe

      Filesize

      404KB

      MD5

      ad0e0451229105c930c40e9ab4ace88b

      SHA1

      13ea9b9049786c5c71cbc28da987b51ca219442d

      SHA256

      86872a1819f9de7920a6f390f7a5ac5e3f838a3bfc5aac08496b971cad78a783

      SHA512

      595da416f69d3e0b768622932bf4e37cf690c8b3a6099321314abfb68ebb66f9c437c1dc1ec13e305af76a5174826c02649748272db5b05b571baabf4f3afcec

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

      Filesize

      342B

      MD5

      5c6359e60d9cdef963bc624594b7b679

      SHA1

      31b41e81a07204cac07d53f18b560d1e949bd5d0

      SHA256

      1ead86f2ea779297456c1ae74ef6d020c8d6938a64c94f7509e631ab21f6f57e

      SHA512

      60fb8b048ce6fc58d8975dd7a729a4254079f092bf01d3a73942ed44d3458cfb6235dd790a91af010922ec087be0f887da3812087674eab6dedcf85292fbf8c9

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\S8GI6B9B\76561199780418869[1].htm

      Filesize

      33KB

      MD5

      eb12ffbb97918333189b32583a7ac587

      SHA1

      dbd7bf49327336dbd46d02c42405b3a5e71415de

      SHA256

      d426a2b112647d43c0ffcfd17ab4f9ec528bf5f3e73565e0e9bed3027d786e5b

      SHA512

      5f29f240806e7701acb9c9aad90b976ba6ed82320015376b523627fe6a33180e77896a7e6bc7bc5373b639f24363297711206ee10741b12749fc48d32d730a17

    • C:\Users\Admin\AppData\Local\Temp\CabA382.tmp

      Filesize

      70KB

      MD5

      49aebf8cbd62d92ac215b2923fb1b9f5

      SHA1

      1723be06719828dda65ad804298d0431f6aff976

      SHA256

      b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

      SHA512

      bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

    • C:\Users\Admin\AppData\Local\Temp\TarA3F2.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

    • memory/1012-104-0x0000000073640000-0x0000000073D2E000-memory.dmp

      Filesize

      6.9MB

    • memory/1012-89-0x0000000000040000-0x00000000000AA000-memory.dmp

      Filesize

      424KB

    • memory/1012-88-0x000000007364E000-0x000000007364F000-memory.dmp

      Filesize

      4KB

    • memory/1132-119-0x0000000001100000-0x0000000001160000-memory.dmp

      Filesize

      384KB

    • memory/1404-161-0x0000000000400000-0x0000000000463000-memory.dmp

      Filesize

      396KB

    • memory/1404-131-0x0000000000400000-0x0000000000463000-memory.dmp

      Filesize

      396KB

    • memory/1404-137-0x0000000000400000-0x0000000000463000-memory.dmp

      Filesize

      396KB

    • memory/1404-135-0x0000000000400000-0x0000000000463000-memory.dmp

      Filesize

      396KB

    • memory/1404-139-0x0000000000400000-0x0000000000463000-memory.dmp

      Filesize

      396KB

    • memory/1404-163-0x0000000000400000-0x0000000000463000-memory.dmp

      Filesize

      396KB

    • memory/1404-133-0x0000000000400000-0x0000000000463000-memory.dmp

      Filesize

      396KB

    • memory/1404-142-0x0000000000400000-0x0000000000463000-memory.dmp

      Filesize

      396KB

    • memory/1456-660-0x0000000000160000-0x00000000001CA000-memory.dmp

      Filesize

      424KB

    • memory/2344-601-0x0000000000150000-0x00000000001B0000-memory.dmp

      Filesize

      384KB

    • memory/2392-1-0x00000000013E0000-0x0000000001436000-memory.dmp

      Filesize

      344KB

    • memory/2392-20-0x0000000074940000-0x000000007502E000-memory.dmp

      Filesize

      6.9MB

    • memory/2392-0-0x000000007494E000-0x000000007494F000-memory.dmp

      Filesize

      4KB

    • memory/2392-15-0x0000000074940000-0x000000007502E000-memory.dmp

      Filesize

      6.9MB

    • memory/2660-105-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/2660-98-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/2660-255-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/2660-93-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/2660-94-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/2660-100-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/2660-699-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/2660-96-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/2660-95-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/2660-91-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/2660-274-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/2660-293-0x000000001DB60000-0x000000001DDBF000-memory.dmp

      Filesize

      2.4MB

    • memory/2660-92-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/2660-438-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/2680-9-0x0000000000400000-0x0000000000661000-memory.dmp

      Filesize

      2.4MB

    • memory/2680-19-0x0000000000400000-0x0000000000661000-memory.dmp

      Filesize

      2.4MB

    • memory/2680-21-0x0000000000400000-0x0000000000661000-memory.dmp

      Filesize

      2.4MB

    • memory/2680-5-0x0000000000400000-0x0000000000661000-memory.dmp

      Filesize

      2.4MB

    • memory/2680-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2680-17-0x0000000000400000-0x0000000000661000-memory.dmp

      Filesize

      2.4MB

    • memory/2680-11-0x0000000000400000-0x0000000000661000-memory.dmp

      Filesize

      2.4MB

    • memory/2680-120-0x0000000000400000-0x0000000000661000-memory.dmp

      Filesize

      2.4MB

    • memory/2680-14-0x0000000000400000-0x0000000000661000-memory.dmp

      Filesize

      2.4MB

    • memory/2680-3-0x0000000000400000-0x0000000000661000-memory.dmp

      Filesize

      2.4MB

    • memory/2680-7-0x0000000000400000-0x0000000000661000-memory.dmp

      Filesize

      2.4MB

    • memory/2680-22-0x0000000061E00000-0x0000000061EF3000-memory.dmp

      Filesize

      972KB

    • memory/2680-859-0x0000000000400000-0x0000000000661000-memory.dmp

      Filesize

      2.4MB