Analysis

  • max time kernel
    121s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    29-09-2024 06:58

General

  • Target

    file.exe

  • Size

    404KB

  • MD5

    30c937ab3260fefe2e98cd875610fb63

  • SHA1

    b9c84958399719d8d9a9f81087830dd69b407660

  • SHA256

    d141cb3aae537b88910255bb6d843aa5c0b57fb03f8eb18a2d15555d6dd853fd

  • SHA512

    a5ae469a9728d2a93449cf9db1419fc7e279d8574ff0df706de5ad7571b60d6616260fa12fb7da64d9ff4ad06844aa8fb2854824a08936229c814c8ce62a882b

  • SSDEEP

    6144:X7lVFG2jvCstyKXJT696RjKKMNMvcdChxFvkAcdVSeDFpxErYGE0n8FRRfEO:XxdCuyKXJ6ajdvDtkXp6pSRfEO

Malware Config

Extracted

Family

vidar

Version

11

Botnet

8136aafb5e5c7dfe145176abba1ed803

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

C2

https://reinforcenh.shop/api

https://stogeneratmns.shop/api

https://fragnantbui.shop/api

https://drawzhotdog.shop/api

https://vozmeatillu.shop/api

https://offensivedzvju.shop/api

https://ghostreedmnu.shop/api

https://gutterydhowi.shop/api

Extracted

Family

vidar

Version

11

Botnet

c8450254a9a0920212cb81ae7f386da3

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

Signatures

  • Detect Vidar Stealer 25 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.

  • 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 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 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 8 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 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of WriteProcessMemory 64 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:2356
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
        PID:2328
      • 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:2332
        • C:\ProgramData\FCAAAAFBKF.exe
          "C:\ProgramData\FCAAAAFBKF.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:328
          • 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:1704
        • C:\ProgramData\DHCGIDHDAK.exe
          "C:\ProgramData\DHCGIDHDAK.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1548
          • 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
            • Checks processor information in registry
            • Suspicious behavior: EnumeratesProcesses
            PID:2292
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\BGDBAKFCFHCG" & exit
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:3000
          • C:\Windows\SysWOW64\timeout.exe
            timeout /t 10
            4⤵
            • System Location Discovery: System Language Discovery
            • Delays execution with timeout.exe
            PID:3008

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      342B

      MD5

      2dff47175edd732c670bd07f3b0a4308

      SHA1

      9df78dd33bfb78fc84780ad40b1c534f06531d20

      SHA256

      0041302ed253ecc95117babc2e2d34af4aff5c2ff392b32cf39652c625ca7dea

      SHA512

      ed1c920c275967285ef2d2ceb388acdaea8bc33546cf3d27cb8ae58247548bdd42e124bad6aaafd6e936355f81473674b72d0a8a8de5c85d0f52c9ed4c0c9f3e

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

      Filesize

      342B

      MD5

      a4cd21fe8c3b42bdb4b7b9c6ca6e7676

      SHA1

      8936cb4c0996982a785e76840dc39ea84aca0be7

      SHA256

      8b9e313422f11d91a990741885fc2704c1483f50f6fff9288c91eb28c5f1a804

      SHA512

      d0ea4d643f21f0ab9cece5add0625eec0a6e8fc70fa9ab5ea3891b6cbdce19541652c04039a29e549a512800c6103a2d17ac5c17e1f353f15e4350862ba5d891

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\DJB1KT77\76561199780418869[1].htm

      Filesize

      33KB

      MD5

      126dcda2ee8b261818afa0e88fc4225c

      SHA1

      3956239ad9b26b12233fc7d27b0121f80f08da73

      SHA256

      ddc34973a9a48623fdceea69159da279f1b1601bdd48067c3dcc54a443a3b716

      SHA512

      b0cc606e770dfbed74dd159b21f31611895e6cb800b4b7ebe19bac67d690eae2f9d774165e8f62ba73113059583e015059b3297da7152b4190b1c176525c1fe1

    • C:\Users\Admin\AppData\Local\Temp\CabCBC9.tmp

      Filesize

      70KB

      MD5

      49aebf8cbd62d92ac215b2923fb1b9f5

      SHA1

      1723be06719828dda65ad804298d0431f6aff976

      SHA256

      b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

      SHA512

      bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

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

      Filesize

      181KB

      MD5

      4ea6026cf93ec6338144661bf1202cd1

      SHA1

      a1dec9044f750ad887935a01430bf49322fbdcb7

      SHA256

      8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

      SHA512

      6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

    • \ProgramData\DHCGIDHDAK.exe

      Filesize

      404KB

      MD5

      07beff810640c60bf60464f5e1efb5b0

      SHA1

      2af2ee421ae26a98f9775bfe46821ffb47b406d3

      SHA256

      2161f38eb7e940f7dadbf1cff93e3219846ad9dd1d181aceadddd9b1f549bf70

      SHA512

      1ed5082b2652d1253c13803c3607afe4befa564c03f1203a6ad157f0187482382d7a1438e34a95667495c89a6ebe020d838fe61ec7f697de865fc55a3b031fa5

    • \ProgramData\FCAAAAFBKF.exe

      Filesize

      371KB

      MD5

      052eafad306073dc67e384f1f371c415

      SHA1

      27b45865e79e48634533d3971ddf2a0164c4f3bb

      SHA256

      9136c32467cd79e8fdb7ea154540093c005c6cf636bc52d7af6caf170a1a828b

      SHA512

      ad82848aca1d1c7af997c35ebd7fa6a04d01b8d09ab89f6ebeb41fd3c1b147507d6a110602fa3b6a6087b3d1ccf30d9e81f2b76af431da28dc81f4b3c6bd032d

    • \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/328-526-0x0000000073050000-0x000000007373E000-memory.dmp

      Filesize

      6.9MB

    • memory/328-493-0x00000000011F0000-0x0000000001250000-memory.dmp

      Filesize

      384KB

    • memory/328-492-0x000000007305E000-0x000000007305F000-memory.dmp

      Filesize

      4KB

    • memory/1548-545-0x0000000001100000-0x000000000116A000-memory.dmp

      Filesize

      424KB

    • memory/1704-504-0x0000000000400000-0x0000000000463000-memory.dmp

      Filesize

      396KB

    • memory/1704-524-0x0000000000400000-0x0000000000463000-memory.dmp

      Filesize

      396KB

    • memory/1704-527-0x0000000000400000-0x0000000000463000-memory.dmp

      Filesize

      396KB

    • memory/1704-513-0x0000000000400000-0x0000000000463000-memory.dmp

      Filesize

      396KB

    • memory/1704-508-0x0000000000400000-0x0000000000463000-memory.dmp

      Filesize

      396KB

    • memory/1704-511-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/1704-510-0x0000000000400000-0x0000000000463000-memory.dmp

      Filesize

      396KB

    • memory/1704-509-0x0000000000400000-0x0000000000463000-memory.dmp

      Filesize

      396KB

    • memory/1704-506-0x0000000000400000-0x0000000000463000-memory.dmp

      Filesize

      396KB

    • memory/2292-571-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/2292-575-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/2292-567-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/2292-573-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/2292-581-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/2292-579-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/2292-578-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/2292-569-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/2292-694-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/2292-713-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/2332-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2332-287-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/2332-23-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/2332-15-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/2332-7-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/2332-438-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/2332-419-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/2332-376-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/2332-357-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/2332-5-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/2332-9-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/2332-17-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/2332-12-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/2332-20-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/2332-225-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/2332-206-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/2332-196-0x00000000205E0000-0x000000002083F000-memory.dmp

      Filesize

      2.4MB

    • memory/2332-176-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/2332-157-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/2332-11-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/2332-602-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/2332-3-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/2356-1-0x0000000000160000-0x00000000001CA000-memory.dmp

      Filesize

      424KB

    • memory/2356-0-0x000000007470E000-0x000000007470F000-memory.dmp

      Filesize

      4KB

    • memory/2356-18-0x0000000074700000-0x0000000074DEE000-memory.dmp

      Filesize

      6.9MB