Analysis

  • max time kernel
    118s
  • max time network
    106s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240611-en
  • resource tags

    arch:x64arch:x86image:win11-20240611-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    15-06-2024 15:18

General

  • Target

    #)#NEw_SetUp_33778_P@$$Key#(#/New-Setup.exe

  • Size

    316KB

  • MD5

    c637e5ecf625b72f4bef9d28cd81d612

  • SHA1

    a2c1329d290e508ee9fd0eb81e7f25d57e450f8c

  • SHA256

    111c56593668be63e1e0c79a2d33d9e2d49cdf0c5100663c72045bc6b76e9fe6

  • SHA512

    727d78bab4fab3674eec92ca5f07df6a0095ab3b973dd227c599c70e8493592bb53bb9208cc6270713283ef0065acfad3203ddcf4dcb6d43f8727f09ceaaf2e4

  • SSDEEP

    6144:VzsRSKkhKKXDD2mTLGxelHJ+SBae3VFpSX:6VkhZWEGxelH0SBtfpS

Malware Config

Extracted

Family

stealc

rc4.plain

Signatures

  • Detect Vidar Stealer 7 IoCs
  • Stealc

    Stealc is an infostealer written in C++.

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 3 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 local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • 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
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Checks processor information in registry 2 TTPs 1 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 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious behavior: MapViewOfSection 7 IoCs
  • Suspicious use of WriteProcessMemory 37 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\#)#NEw_SetUp_33778_P@$$Key#(#\New-Setup.exe
    "C:\Users\Admin\AppData\Local\Temp\#)#NEw_SetUp_33778_P@$$Key#(#\New-Setup.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:5056
    • C:\Windows\SysWOW64\netsh.exe
      C:\Windows\SysWOW64\netsh.exe
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:2556
      • C:\Users\Admin\AppData\Local\Temp\coml.au3
        C:\Users\Admin\AppData\Local\Temp\coml.au3
        3⤵
        • Loads dropped DLL
        • Checks processor information in registry
        • Modifies system certificate store
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:5068
        • C:\ProgramData\DGIJECGDGC.exe
          "C:\ProgramData\DGIJECGDGC.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of WriteProcessMemory
          PID:900
          • C:\Windows\SysWOW64\ftp.exe
            C:\Windows\SysWOW64\ftp.exe
            5⤵
            • Drops file in Windows directory
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious behavior: MapViewOfSection
            • Suspicious use of WriteProcessMemory
            PID:5032
            • C:\Windows\SysWOW64\explorer.exe
              C:\Windows\SysWOW64\explorer.exe
              6⤵
                PID:2868
          • C:\ProgramData\JKKEBGCGHI.exe
            "C:\ProgramData\JKKEBGCGHI.exe"
            4⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious behavior: MapViewOfSection
            • Suspicious use of WriteProcessMemory
            PID:3908
            • C:\Windows\SysWOW64\ftp.exe
              C:\Windows\SysWOW64\ftp.exe
              5⤵
              • Suspicious use of SetThreadContext
              • Drops file in Windows directory
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious behavior: MapViewOfSection
              • Suspicious use of WriteProcessMemory
              PID:2916
              • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe
                C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe
                6⤵
                  PID:4740
            • C:\Windows\SysWOW64\cmd.exe
              "C:\Windows\System32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\ECAEGHIJEHJD" & exit
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:584
              • C:\Windows\SysWOW64\timeout.exe
                timeout /t 10
                5⤵
                • Delays execution with timeout.exe
                PID:1176

      Network

      MITRE ATT&CK Matrix ATT&CK v13

      Defense Evasion

      Subvert Trust Controls

      1
      T1553

      Install Root Certificate

      1
      T1553.004

      Modify Registry

      1
      T1112

      Credential Access

      Unsecured Credentials

      4
      T1552

      Credentials In Files

      4
      T1552.001

      Discovery

      Query Registry

      2
      T1012

      System Information Discovery

      2
      T1082

      Collection

      Data from Local System

      4
      T1005

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\ProgramData\DGIJECGDGC.exe
        Filesize

        8.6MB

        MD5

        6cfddd5ce9ca4bb209bd5d8c2cd80025

        SHA1

        424da82e9edbb6b39a979ab97d84239a1d67c48b

        SHA256

        376e1802b979514ba0e9c73933a8c6a09dd3f1d2a289f420c2202e64503d08a7

        SHA512

        d861130d87bfedc38a97019cba17724067f397e6ffe7e1384175db48c0a177a2e7e256c3c933d0f42766e8077f767d6d4dc8758200852e8ec135736daee7c0f8

      • C:\ProgramData\ECAEGHIJEHJD\DHJKJK
        Filesize

        512KB

        MD5

        59071590099d21dd439896592338bf95

        SHA1

        6a521e1d2a632c26e53b83d2cc4b0edecfc1e68c

        SHA256

        07854d2fef297a06ba81685e660c332de36d5d18d546927d30daad6d7fda1541

        SHA512

        eedb6cadbceb2c991fc6f68dccb80463b3f660c5358acd7d705398ae2e3df2b4327f0f6c6746486848bd2992b379776483a98063ae96edb45877bb0314874668

      • C:\ProgramData\ECAEGHIJEHJD\EGIIIE
        Filesize

        64KB

        MD5

        bed7fc66d3b015a77ecbb8a825c3eb1b

        SHA1

        324662d03b11e4a649a7458aa57a40f250f5fc18

        SHA256

        6778e40c106193ba06e541b347f1afa36bdd64bcbcce1547e3db1aecbfa5f854

        SHA512

        c42313248dd9d07acb4eaf2592cfb855f7f0d7208d779c4e44e9d5946117639bb4713ab21b0e84e20eba81d8d0546b5d0e628a737d31a12632bc0254d79e4534

      • C:\ProgramData\ECAEGHIJEHJD\FHDHCA
        Filesize

        64KB

        MD5

        0c7f94ef61c81cc4d87aadb7d8297869

        SHA1

        dd5870ec17f7eb8c6f91255e91cbc174edc7c104

        SHA256

        d77ccf804f4094e9ab17b49cacb6a98251bebfa66e5ca0c13f9030e937f320fe

        SHA512

        eb7bd4dda2fab6a5d9e70f5b158d4cdd9284ffec3b797cc85890a47cc354207c460ddf2873fb1cd5dfb52dceaae1ee36440758c9066b2c7149b0d19dfaf45e1d

      • C:\ProgramData\ECAEGHIJEHJD\VCRUNT~1.DLL
        Filesize

        78KB

        MD5

        a37ee36b536409056a86f50e67777dd7

        SHA1

        1cafa159292aa736fc595fc04e16325b27cd6750

        SHA256

        8934aaeb65b6e6d253dfe72dea5d65856bd871e989d5d3a2a35edfe867bb4825

        SHA512

        3a7c260646315cf8c01f44b2ec60974017496bd0d80dd055c7e43b707cadba2d63aab5e0efd435670aa77886ed86368390d42c4017fc433c3c4b9d1c47d0f356

      • C:\ProgramData\ECAEGHIJEHJD\mozglue.dll
        Filesize

        593KB

        MD5

        c8fd9be83bc728cc04beffafc2907fe9

        SHA1

        95ab9f701e0024cedfbd312bcfe4e726744c4f2e

        SHA256

        ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

        SHA512

        fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

      • C:\ProgramData\ECAEGHIJEHJD\msvcp140.dll
        Filesize

        439KB

        MD5

        5ff1fca37c466d6723ec67be93b51442

        SHA1

        34cc4e158092083b13d67d6d2bc9e57b798a303b

        SHA256

        5136a49a682ac8d7f1ce71b211de8688fce42ed57210af087a8e2dbc8a934062

        SHA512

        4802ef62630c521d83a1d333969593fb00c9b38f82b4d07f70fbd21f495fea9b3f67676064573d2c71c42bc6f701992989742213501b16087bb6110e337c7546

      • C:\ProgramData\ECAEGHIJEHJD\nss3.dll
        Filesize

        2.0MB

        MD5

        1cc453cdf74f31e4d913ff9c10acdde2

        SHA1

        6e85eae544d6e965f15fa5c39700fa7202f3aafe

        SHA256

        ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

        SHA512

        dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

      • C:\ProgramData\ECAEGHIJEHJD\softokn3.dll
        Filesize

        251KB

        MD5

        4e52d739c324db8225bd9ab2695f262f

        SHA1

        71c3da43dc5a0d2a1941e874a6d015a071783889

        SHA256

        74ebbac956e519e16923abdc5ab8912098a4f64e38ddcb2eae23969f306afe5a

        SHA512

        2d4168a69082a9192b9248f7331bd806c260478ff817567df54f997d7c3c7d640776131355401e4bdb9744e246c36d658cb24b18de67d8f23f10066e5fe445f6

      • C:\ProgramData\JKKEBGCGHI.exe
        Filesize

        2.3MB

        MD5

        daaff76b0baf0a1f9cec253560c5db20

        SHA1

        0311cf0eeb4beddd2c69c6e97462595313a41e78

        SHA256

        5706c6f5421a6a34fdcb67e9c9e71283c8fc1c33499904519cbdc6a21e6b071c

        SHA512

        987ca2d67903c65ee1075c4a5250c85840aea26647b1d95a3e73a26dcad053bd4c31df4ca01d6cc0c196fa7e8e84ab63ed4a537f72fc0b1ee4ba09cdb549ddf3

      • C:\Users\Admin\AppData\Local\Temp\2dac1372
        Filesize

        1.1MB

        MD5

        8d443e7cb87cacf0f589ce55599e008f

        SHA1

        c7ff0475a3978271e0a8417ac4a826089c083772

        SHA256

        e2aaaa1a0431aab1616e2b612e9b68448107e6ce71333f9c0ec1763023b72b2a

        SHA512

        c7d0ced6eb9e203d481d1dbdd5965278620c10cdc81c02da9c4f7f99f3f8c61dfe975cf48d4b93ccde9857edb881a77ebe9cd13ae7ef029285d770d767aa74a5

      • C:\Users\Admin\AppData\Local\Temp\2e79bfa2
        Filesize

        951KB

        MD5

        c62f812e250409fbd3c78141984270f2

        SHA1

        9c7c70bb78aa0de4ccf0c2b5d87b37c8a40bd806

        SHA256

        d8617477c800cc10f9b52e90b885117a27266831fb5033647b6b6bd6025380a8

        SHA512

        7573ecac1725f395bbb1661f743d8ee6b029f357d3ef07d0d96ee4ff3548fe06fab105ee72be3e3964d2053de2f44245cca9a061d47c1411949840c84f6e9092

      • C:\Users\Admin\AppData\Local\Temp\2ff21549
        Filesize

        1.1MB

        MD5

        be0e6781841b3a57a055bbb573828d52

        SHA1

        01e81468292c915310ee0aeeee087e8c11cf1d5d

        SHA256

        615862f0e4d479042d87cebef2ed4cfb84ec3371835d3abf8d9f93419286530b

        SHA512

        559a445804df800bd223aa9b11304887392941c8db4654764ca09e12f95f1429964659ac82dacd8ebd3a3bdc6b4e719ef88b246d67228e537d415692428870fb

      • C:\Users\Admin\AppData\Local\Temp\3218495e
        Filesize

        736KB

        MD5

        3e60faec8bd3f71c0980f779a99ba47e

        SHA1

        a708d8d18511b3c912647e1c0e2340efcbc898dc

        SHA256

        2a7a0c706c4e64302de30cd59fa41a1acca964d168ec14d39aa318b62b352a1c

        SHA512

        e9c80b89898fa6a0da5ad5858922fe670ac4a213bf12596815bede11fc0aed2ad79c3f05365091d2f95a493a5642be649de4a569209fb8af6043e9cbfccff6d2

      • C:\Users\Admin\AppData\Local\Temp\7dced155
        Filesize

        6.8MB

        MD5

        d3d5c777c44681dccdb86c5b426e86d8

        SHA1

        67ec2dc510d89182b2ff7c9de59e3330f875956d

        SHA256

        99dc1966e79868620d4abc79dff61a30404f52f7296a51142471293f60d845a7

        SHA512

        42ca9022c834e050fc8cbbedd18a7af29d7a5d3fe9dbcb451ac06a42beb3693128063c8ef4893fa63769459c3610957975117594727513c84ba8b53d9214469d

      • C:\Users\Admin\AppData\Local\Temp\coml.au3
        Filesize

        872KB

        MD5

        c56b5f0201a3b3de53e561fe76912bfd

        SHA1

        2a4062e10a5de813f5688221dbeb3f3ff33eb417

        SHA256

        237d1bca6e056df5bb16a1216a434634109478f882d3b1d58344c801d184f95d

        SHA512

        195b98245bb820085ae9203cdb6d470b749d1f228908093e8606453b027b7d7681ccd7952e30c2f5dd40f8f0b999ccfc60ebb03419b574c08de6816e75710d2c

      • memory/900-113-0x00000000008B0000-0x0000000000DC3000-memory.dmp
        Filesize

        5.1MB

      • memory/900-187-0x00000000721E0000-0x000000007235D000-memory.dmp
        Filesize

        1.5MB

      • memory/900-134-0x00000000721E0000-0x000000007235D000-memory.dmp
        Filesize

        1.5MB

      • memory/900-135-0x00007FF902700000-0x00007FF902909000-memory.dmp
        Filesize

        2.0MB

      • memory/2556-16-0x00007FF902700000-0x00007FF902909000-memory.dmp
        Filesize

        2.0MB

      • memory/2916-194-0x00007FF902700000-0x00007FF902909000-memory.dmp
        Filesize

        2.0MB

      • memory/3908-138-0x00007FF902700000-0x00007FF902909000-memory.dmp
        Filesize

        2.0MB

      • memory/3908-137-0x00000000721E0000-0x000000007235D000-memory.dmp
        Filesize

        1.5MB

      • memory/3908-128-0x0000000000D60000-0x0000000000FA8000-memory.dmp
        Filesize

        2.3MB

      • memory/3908-190-0x00000000721E0000-0x000000007235D000-memory.dmp
        Filesize

        1.5MB

      • memory/4740-214-0x00007FF8E0D20000-0x00007FF8E23C0000-memory.dmp
        Filesize

        22.6MB

      • memory/5032-200-0x00000000721E0000-0x000000007235D000-memory.dmp
        Filesize

        1.5MB

      • memory/5032-210-0x00000000721E0000-0x000000007235D000-memory.dmp
        Filesize

        1.5MB

      • memory/5032-193-0x00007FF902700000-0x00007FF902909000-memory.dmp
        Filesize

        2.0MB

      • memory/5056-0-0x00007FF8F30C0000-0x00007FF8F323A000-memory.dmp
        Filesize

        1.5MB

      • memory/5056-13-0x00007FF8F30C0000-0x00007FF8F323A000-memory.dmp
        Filesize

        1.5MB

      • memory/5056-12-0x00007FF8F30C0000-0x00007FF8F323A000-memory.dmp
        Filesize

        1.5MB

      • memory/5056-11-0x00007FF8F30D8000-0x00007FF8F30D9000-memory.dmp
        Filesize

        4KB

      • memory/5068-28-0x0000000000F60000-0x00000000016AB000-memory.dmp
        Filesize

        7.3MB

      • memory/5068-186-0x0000000000F60000-0x00000000016AB000-memory.dmp
        Filesize

        7.3MB

      • memory/5068-183-0x0000000000F60000-0x00000000016AB000-memory.dmp
        Filesize

        7.3MB

      • memory/5068-172-0x0000000000F60000-0x00000000016AB000-memory.dmp
        Filesize

        7.3MB

      • memory/5068-99-0x0000000000F60000-0x00000000016AB000-memory.dmp
        Filesize

        7.3MB

      • memory/5068-31-0x0000000061E00000-0x0000000061EF3000-memory.dmp
        Filesize

        972KB

      • memory/5068-25-0x0000000000F60000-0x00000000016AB000-memory.dmp
        Filesize

        7.3MB

      • memory/5068-24-0x00007FF902700000-0x00007FF902909000-memory.dmp
        Filesize

        2.0MB

      • memory/5068-22-0x0000000000F60000-0x00000000016AB000-memory.dmp
        Filesize

        7.3MB