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Resubmissions

17/05/2024, 13:42

240517-qzpdhaah86 3

17/05/2024, 13:36

240517-qwpvvsah46 3

17/05/2024, 13:05

240517-qby8ssad78 10

Analysis

  • max time kernel
    40s
  • max time network
    37s
  • platform
    windows7_x64
  • resource
    win7-20240419-en
  • resource tags

    arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
  • submitted
    17/05/2024, 13:05

General

  • Target

    TradingView_Premium_(password_github)/TradingView Premium.exe

  • Size

    780.4MB

  • MD5

    03c012cc3f4802d728841a93f3603278

  • SHA1

    e72bf615b2a48a8325c0beb49a4a68c639d0f83f

  • SHA256

    33e9d22f4fa05763400a8adb6ce954e21a09209ae366f85f3c4dde035e57f9ee

  • SHA512

    198d0cd063317242c8ce522b1a523823f641f0f9012b7e4e66e909b3fe5a38cdf7b431576c26e64035dae470c2a4bc4f41dd18950a78d6ee749d1559472dc0aa

  • SSDEEP

    98304:pt5Nn3KaFYG6BCuacrYflgURaSgaWmxE9bxNkkbzAQi/ybzCLpRZL:pJ60YG3uaaYtgwaDmx1kbz5zYL

Malware Config

Extracted

Family

stealc

rc4.plain

Signatures

  • Detect Vidar Stealer 5 IoCs
  • Stealc

    Stealc is an infostealer written in C++.

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Downloads MZ/PE file
  • Executes dropped EXE 1 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.

  • 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.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Delays execution with timeout.exe 1 IoCs
  • Modifies system certificate store 2 TTPs 3 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 33 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 36 IoCs
  • Views/modifies file attributes 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\TradingView_Premium_(password_github)\TradingView Premium.exe
    "C:\Users\Admin\AppData\Local\Temp\TradingView_Premium_(password_github)\TradingView Premium.exe"
    1⤵
    • Loads dropped DLL
    • Checks processor information in registry
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1860
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c start "" "C:\ProgramData\AFHDGDGIID.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1524
      • C:\ProgramData\AFHDGDGIID.exe
        "C:\ProgramData\AFHDGDGIID.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1528
        • C:\Windows\SysWOW64\attrib.exe
          attrib +H +S C:\Users\Admin\AppData\Roaming\sihost.exe
          4⤵
          • Views/modifies file attributes
          PID:2568
        • C:\Windows\SysWOW64\attrib.exe
          attrib +H C:\Users\Admin\AppData\Roaming\sihost.exe
          4⤵
          • Views/modifies file attributes
          PID:2440
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks /f /CREATE /TN "sihost.exe" /TR "C:\Users\Admin\AppData\Roaming\sihost.exe" /SC MINUTE
          4⤵
          • Creates scheduled task(s)
          PID:2464
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell ping 127.0.0.1; del AFHDGDGIID.exe
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:2472
          • C:\Windows\SysWOW64\PING.EXE
            "C:\Windows\system32\PING.EXE" 127.0.0.1
            5⤵
            • Runs ping.exe
            PID:2708
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\KJEBKJDAFHJD" & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1776
      • C:\Windows\SysWOW64\timeout.exe
        timeout /t 10
        3⤵
        • Delays execution with timeout.exe
        PID:1176

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\KJEBKJDAFHJD\VCRUNT~1.DLL

    Filesize

    78KB

    MD5

    a37ee36b536409056a86f50e67777dd7

    SHA1

    1cafa159292aa736fc595fc04e16325b27cd6750

    SHA256

    8934aaeb65b6e6d253dfe72dea5d65856bd871e989d5d3a2a35edfe867bb4825

    SHA512

    3a7c260646315cf8c01f44b2ec60974017496bd0d80dd055c7e43b707cadba2d63aab5e0efd435670aa77886ed86368390d42c4017fc433c3c4b9d1c47d0f356

  • C:\ProgramData\KJEBKJDAFHJD\msvcp140.dll

    Filesize

    439KB

    MD5

    5ff1fca37c466d6723ec67be93b51442

    SHA1

    34cc4e158092083b13d67d6d2bc9e57b798a303b

    SHA256

    5136a49a682ac8d7f1ce71b211de8688fce42ed57210af087a8e2dbc8a934062

    SHA512

    4802ef62630c521d83a1d333969593fb00c9b38f82b4d07f70fbd21f495fea9b3f67676064573d2c71c42bc6f701992989742213501b16087bb6110e337c7546

  • C:\ProgramData\KJEBKJDAFHJD\softokn3.dll

    Filesize

    251KB

    MD5

    4e52d739c324db8225bd9ab2695f262f

    SHA1

    71c3da43dc5a0d2a1941e874a6d015a071783889

    SHA256

    74ebbac956e519e16923abdc5ab8912098a4f64e38ddcb2eae23969f306afe5a

    SHA512

    2d4168a69082a9192b9248f7331bd806c260478ff817567df54f997d7c3c7d640776131355401e4bdb9744e246c36d658cb24b18de67d8f23f10066e5fe445f6

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

    Filesize

    344B

    MD5

    13798c58c3b68009e97cb4c151f56c57

    SHA1

    f240b2acda58c297a2df5f7cb0009beda5f691ce

    SHA256

    46649414ef712b3732212a9444a75971bc6914dfa2bf023684b963df5d5150ff

    SHA512

    b0f94b4b9ae74ead4905b7fc23c27f791f361590bb036c875e9e24b7dc412037af48221b54f614cfbe75fb8433051974639b98271ce0c00b7990282ba9635b43

  • C:\Users\Admin\AppData\Local\Temp\Cab2E43.tmp

    Filesize

    68KB

    MD5

    29f65ba8e88c063813cc50a4ea544e93

    SHA1

    05a7040d5c127e68c25d81cc51271ffb8bef3568

    SHA256

    1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184

    SHA512

    e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa

  • C:\Users\Admin\AppData\Local\Temp\Tar2E65.tmp

    Filesize

    177KB

    MD5

    435a9ac180383f9fa094131b173a2f7b

    SHA1

    76944ea657a9db94f9a4bef38f88c46ed4166983

    SHA256

    67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

    SHA512

    1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

  • \ProgramData\AFHDGDGIID.exe

    Filesize

    4.1MB

    MD5

    a407456a3c566fc46bbdc64ef5235e97

    SHA1

    e40b026323ed1864ad20f2af9e567783b9e8bde9

    SHA256

    ea1024032018bb31874ababce78b2828d89e53e1faf347e27f3088c34893b51b

    SHA512

    35eb0ac14219800c172c601554701b0d8caa522655e335da09b28a08224e8c2b8057ede7d7a313b7a8803fe09fcc50b2e619c6235ee26b9f488f5089682fa88d

  • \ProgramData\KJEBKJDAFHJD\mozglue.dll

    Filesize

    593KB

    MD5

    c8fd9be83bc728cc04beffafc2907fe9

    SHA1

    95ab9f701e0024cedfbd312bcfe4e726744c4f2e

    SHA256

    ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

    SHA512

    fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

  • \ProgramData\KJEBKJDAFHJD\nss3.dll

    Filesize

    2.0MB

    MD5

    1cc453cdf74f31e4d913ff9c10acdde2

    SHA1

    6e85eae544d6e965f15fa5c39700fa7202f3aafe

    SHA256

    ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

    SHA512

    dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

  • memory/1528-355-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/1528-357-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/1528-360-0x0000000000240000-0x0000000000241000-memory.dmp

    Filesize

    4KB

  • memory/1860-23-0x0000000000270000-0x0000000000271000-memory.dmp

    Filesize

    4KB

  • memory/1860-0-0x0000000000400000-0x0000000001465000-memory.dmp

    Filesize

    16.4MB

  • memory/1860-13-0x0000000000140000-0x0000000000141000-memory.dmp

    Filesize

    4KB

  • memory/1860-11-0x0000000000140000-0x0000000000141000-memory.dmp

    Filesize

    4KB

  • memory/1860-9-0x0000000000140000-0x0000000000141000-memory.dmp

    Filesize

    4KB

  • memory/1860-8-0x0000000000130000-0x0000000000131000-memory.dmp

    Filesize

    4KB

  • memory/1860-4-0x0000000000130000-0x0000000000131000-memory.dmp

    Filesize

    4KB

  • memory/1860-18-0x0000000000150000-0x0000000000151000-memory.dmp

    Filesize

    4KB

  • memory/1860-35-0x0000000000400000-0x0000000001465000-memory.dmp

    Filesize

    16.4MB

  • memory/1860-21-0x0000000000270000-0x0000000000271000-memory.dmp

    Filesize

    4KB

  • memory/1860-190-0x0000000061E00000-0x0000000061EF3000-memory.dmp

    Filesize

    972KB

  • memory/1860-16-0x0000000000150000-0x0000000000151000-memory.dmp

    Filesize

    4KB

  • memory/1860-26-0x0000000000280000-0x0000000000281000-memory.dmp

    Filesize

    4KB

  • memory/1860-309-0x0000000000400000-0x0000000001465000-memory.dmp

    Filesize

    16.4MB

  • memory/1860-328-0x0000000000400000-0x0000000001465000-memory.dmp

    Filesize

    16.4MB

  • memory/1860-28-0x0000000000280000-0x0000000000281000-memory.dmp

    Filesize

    4KB

  • memory/1860-31-0x0000000000310000-0x0000000000311000-memory.dmp

    Filesize

    4KB

  • memory/1860-38-0x0000000000400000-0x0000000001465000-memory.dmp

    Filesize

    16.4MB

  • memory/1860-37-0x0000000000B3F000-0x0000000000DFD000-memory.dmp

    Filesize

    2.7MB

  • memory/1860-398-0x0000000000400000-0x0000000001465000-memory.dmp

    Filesize

    16.4MB

  • memory/1860-399-0x0000000000B3F000-0x0000000000DFD000-memory.dmp

    Filesize

    2.7MB

  • memory/1860-33-0x0000000000310000-0x0000000000311000-memory.dmp

    Filesize

    4KB

  • memory/1860-6-0x0000000000130000-0x0000000000131000-memory.dmp

    Filesize

    4KB

  • memory/1860-2-0x0000000000400000-0x0000000001465000-memory.dmp

    Filesize

    16.4MB