Analysis

  • max time kernel
    94s
  • max time network
    133s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-09-2024 20:45

General

  • Target

    file.exe

  • Size

    404KB

  • MD5

    15e48f59b50e093dd715c721cec58a29

  • SHA1

    9e8a996b0a8a3c78b7a90bca971d8dd015d5885c

  • SHA256

    61ffde65177f9cea78164dd99fe7ecfc7ff9f95309f9b9b7d631870faedf6710

  • SHA512

    681a6c84a0f2bc8f6d5fe0ce8559b77a9844655385222494ebab191090859415fe7aa88f5834362480a71e982e8c1d02cace1d5b0589693b49495d9face5d497

  • SSDEEP

    6144:hWDZTxXwKjzPrI1UEnjGVqpQduF2dupEzn3ZFunIYUNQ6ZRuR0nXjXzDzgSqqeBj:2Jfajqq8ucd6K3ZFunmHZRu0XXD0JjEO

Malware Config

Extracted

Family

vidar

Version

11

Botnet

8a5f3a9817555d8b0b805aaf007d558d

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

Extracted

Family

lumma

C2

https://fragnantbui.shop/api

Signatures

  • Detect Vidar Stealer 20 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
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 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).

  • Program crash 1 IoCs
  • 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
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of WriteProcessMemory 44 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:4404
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
      • Checks computer location settings
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3308
      • C:\ProgramData\HJKKFIJKFC.exe
        "C:\ProgramData\HJKKFIJKFC.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1824
        • 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
          PID:1564
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 1564 -s 1348
            5⤵
            • Program crash
            PID:680
      • C:\ProgramData\GIDHDGCBFB.exe
        "C:\ProgramData\GIDHDGCBFB.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4084
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
          4⤵
            PID:1620
          • 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:444
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\FBKFCFBFIDGC" & exit
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2112
          • C:\Windows\SysWOW64\timeout.exe
            timeout /t 10
            4⤵
            • System Location Discovery: System Language Discovery
            • Delays execution with timeout.exe
            PID:4368
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1564 -ip 1564
      1⤵
        PID:3236

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\ProgramData\GIDHDGCBFB.exe

        Filesize

        404KB

        MD5

        07beff810640c60bf60464f5e1efb5b0

        SHA1

        2af2ee421ae26a98f9775bfe46821ffb47b406d3

        SHA256

        2161f38eb7e940f7dadbf1cff93e3219846ad9dd1d181aceadddd9b1f549bf70

        SHA512

        1ed5082b2652d1253c13803c3607afe4befa564c03f1203a6ad157f0187482382d7a1438e34a95667495c89a6ebe020d838fe61ec7f697de865fc55a3b031fa5

      • C:\ProgramData\HJDGHIJDGCBA\ECBAEB

        Filesize

        160KB

        MD5

        f310cf1ff562ae14449e0167a3e1fe46

        SHA1

        85c58afa9049467031c6c2b17f5c12ca73bb2788

        SHA256

        e187946249cd390a3c1cf5d4e3b0d8f554f9acdc416bf4e7111fff217bb08855

        SHA512

        1196371de08c964268c44103ccaed530bda6a145df98e0f480d8ee5ad58cb6fb33ca4c9195a52181fe864726dcf52e6a7a466d693af0cda43400a3a7ef125fad

      • C:\ProgramData\HJKKFIJKFC.exe

        Filesize

        371KB

        MD5

        052eafad306073dc67e384f1f371c415

        SHA1

        27b45865e79e48634533d3971ddf2a0164c4f3bb

        SHA256

        9136c32467cd79e8fdb7ea154540093c005c6cf636bc52d7af6caf170a1a828b

        SHA512

        ad82848aca1d1c7af997c35ebd7fa6a04d01b8d09ab89f6ebeb41fd3c1b147507d6a110602fa3b6a6087b3d1ccf30d9e81f2b76af431da28dc81f4b3c6bd032d

      • C:\ProgramData\mozglue.dll

        Filesize

        593KB

        MD5

        c8fd9be83bc728cc04beffafc2907fe9

        SHA1

        95ab9f701e0024cedfbd312bcfe4e726744c4f2e

        SHA256

        ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

        SHA512

        fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

      • C:\ProgramData\nss3.dll

        Filesize

        2.0MB

        MD5

        1cc453cdf74f31e4d913ff9c10acdde2

        SHA1

        6e85eae544d6e965f15fa5c39700fa7202f3aafe

        SHA256

        ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

        SHA512

        dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

      • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\8B2B9A00839EED1DFDCCC3BFC2F5DF12

        Filesize

        1KB

        MD5

        7fb5fa1534dcf77f2125b2403b30a0ee

        SHA1

        365d96812a69ac0a4611ea4b70a3f306576cc3ea

        SHA256

        33a39e9ec2133230533a686ec43760026e014a3828c703707acbc150fe40fd6f

        SHA512

        a9279fd60505a1bfeef6fb07834cad0fd5be02fd405573fc1a5f59b991e9f88f5e81c32fe910f69bdc6585e71f02559895149eaf49c25b8ff955459fd60c0d2e

      • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B46811C17859FFB409CF0E904A4AA8F8

        Filesize

        436B

        MD5

        971c514f84bba0785f80aa1c23edfd79

        SHA1

        732acea710a87530c6b08ecdf32a110d254a54c8

        SHA256

        f157ed17fcaf8837fa82f8b69973848c9b10a02636848f995698212a08f31895

        SHA512

        43dc1425d80e170c645a3e3bb56da8c3acd31bd637329e9e37094ac346ac85434df4edcdbefc05ae00aea33a80a88e2af695997a495611217fe6706075a63c58

      • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8B2B9A00839EED1DFDCCC3BFC2F5DF12

        Filesize

        174B

        MD5

        8e4ac053b9cc4a958aa496db461674e2

        SHA1

        55fea82d7406d3ac03dca751ae1c532b8d913f47

        SHA256

        90b57c72b29322ce6d145f7858db91dd8069cc5dbc0c2a71845d7315117ef0e7

        SHA512

        c1523e712fd2cbafada733e112a6c9a49c7b50915eea85149fb383a71ed3d992b8faf20e185d340eeb3043e9726585a73c911c346e3ac08eda4f764e217c915f

      • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B46811C17859FFB409CF0E904A4AA8F8

        Filesize

        170B

        MD5

        7ac544ad72397f5c66fb0a3a2d29b028

        SHA1

        ae17042727d1170b4d35677e73fcfbebfbd1334d

        SHA256

        2860ed9a1f350eccf228e887aedf0dc51715b33201f2866520261fa0079a242a

        SHA512

        34b255e606ba8bbbcf7cda0247ce637df8bc7c09d1b5a3ceec9a5fe79f2c3095eeb637917e934c5af4426a4a8c20645ac31a93049dfbde695d5d1f42e2281dfa

      • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\OD2FK6XO\sql[1].dll

        Filesize

        2.3MB

        MD5

        90e744829865d57082a7f452edc90de5

        SHA1

        833b178775f39675fa4e55eab1032353514e1052

        SHA256

        036a57102385d7f0d7b2deacf932c1c372ae30d924365b7a88f8a26657dd7550

        SHA512

        0a2d112ff7cb806a74f5ec17fe097d28107bb497d6ed5ad28ea47e6795434ba903cdb49aaf97a9a99c08cd0411f1969cad93031246dc107c26606a898e570323

      • memory/444-145-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/444-146-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/444-148-0x0000000022530000-0x000000002278F000-memory.dmp

        Filesize

        2.4MB

      • memory/444-137-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/444-135-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/444-133-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/444-162-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/444-163-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/1564-144-0x0000000000400000-0x0000000000463000-memory.dmp

        Filesize

        396KB

      • memory/1564-111-0x0000000000400000-0x0000000000463000-memory.dmp

        Filesize

        396KB

      • memory/1564-117-0x0000000000400000-0x0000000000463000-memory.dmp

        Filesize

        396KB

      • memory/1564-114-0x0000000000400000-0x0000000000463000-memory.dmp

        Filesize

        396KB

      • memory/1824-108-0x0000000000620000-0x0000000000680000-memory.dmp

        Filesize

        384KB

      • memory/1824-116-0x0000000072340000-0x0000000072AF0000-memory.dmp

        Filesize

        7.7MB

      • memory/1824-109-0x000000007234E000-0x000000007234F000-memory.dmp

        Filesize

        4KB

      • memory/3308-18-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/3308-37-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/3308-93-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/3308-3-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/3308-8-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/3308-85-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/3308-84-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/3308-54-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/3308-53-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/3308-94-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/3308-36-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/3308-21-0x000000001FC40000-0x000000001FE9F000-memory.dmp

        Filesize

        2.4MB

      • memory/3308-19-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/3308-6-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/4084-131-0x00000000004E0000-0x000000000054A000-memory.dmp

        Filesize

        424KB

      • memory/4404-11-0x0000000074A20000-0x00000000751D0000-memory.dmp

        Filesize

        7.7MB

      • memory/4404-0-0x0000000074A2E000-0x0000000074A2F000-memory.dmp

        Filesize

        4KB

      • memory/4404-92-0x0000000074A20000-0x00000000751D0000-memory.dmp

        Filesize

        7.7MB

      • memory/4404-1-0x0000000000550000-0x00000000005BA000-memory.dmp

        Filesize

        424KB