Analysis

  • max time kernel
    96s
  • max time network
    125s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-09-2024 01:18

General

  • Target

    41b381e462f4108957fbab888701dfb9e605621507f8dd2d3f71a32b429c5f0c.exe

  • Size

    292KB

  • MD5

    0c4b826cab211945649ac4bbb0c48c6b

  • SHA1

    fe0132f85b63833f55a41651fcc0f32c1c96124d

  • SHA256

    41b381e462f4108957fbab888701dfb9e605621507f8dd2d3f71a32b429c5f0c

  • SHA512

    6e4ea6a514002c61cadfea41ae6aa9e81178570dbae5f78b79e95f654dc6c7716a8f98b812c805ad45423f0e657fab260492e46b2e6bb45d25520d933dc27363

  • SSDEEP

    6144:D8zag1zxFKmMqtXpA8dI41MwJckA3/l6ah4LXeofOdLBhShSpk+JEO:OjNxjXrX1z1845DdfCLBxZEO

Malware Config

Extracted

Family

vidar

C2

https://t.me/edm0d

https://steamcommunity.com/profiles/76561199768374681

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36 OPR/110.0.0.0

Extracted

Family

lumma

C2

https://questionmwq.shop/api

https://chickerkuso.shop/api

https://achievenmtynwjq.shop/api

https://puredoffustow.shop/api

https://opponnentduei.shop/api

https://metallygaricwo.shop/api

https://milldymarskwom.shop/api

https://quotamkdsdqo.shop/api

https://carrtychaintnyw.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.

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • 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 2 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
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of WriteProcessMemory 44 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\41b381e462f4108957fbab888701dfb9e605621507f8dd2d3f71a32b429c5f0c.exe
    "C:\Users\Admin\AppData\Local\Temp\41b381e462f4108957fbab888701dfb9e605621507f8dd2d3f71a32b429c5f0c.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1856
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
        PID:3460
      • 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:720
        • C:\ProgramData\IEHDBGDHDA.exe
          "C:\ProgramData\IEHDBGDHDA.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:4436
          • 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:3700
        • C:\ProgramData\HIDHIEGIII.exe
          "C:\ProgramData\HIDHIEGIII.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1100
          • 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:1572
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\FCAECAKKFBGC" & exit
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:4328
          • C:\Windows\SysWOW64\timeout.exe
            timeout /t 10
            4⤵
            • System Location Discovery: System Language Discovery
            • Delays execution with timeout.exe
            PID:3872

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\ProgramData\DAEBFHJKJEBF\JJKJDA

      Filesize

      160KB

      MD5

      f310cf1ff562ae14449e0167a3e1fe46

      SHA1

      85c58afa9049467031c6c2b17f5c12ca73bb2788

      SHA256

      e187946249cd390a3c1cf5d4e3b0d8f554f9acdc416bf4e7111fff217bb08855

      SHA512

      1196371de08c964268c44103ccaed530bda6a145df98e0f480d8ee5ad58cb6fb33ca4c9195a52181fe864726dcf52e6a7a466d693af0cda43400a3a7ef125fad

    • C:\ProgramData\HIDHIEGIII.exe

      Filesize

      292KB

      MD5

      4a8a0ccfecc930091116324c79c1006e

      SHA1

      d790befcbc31a4befafeaf08879e15f99633b2a1

      SHA256

      146b7006b041d25b6846c797234f38387ec4b141c4a7e4f100d0e6d2eda29088

      SHA512

      ffef04766c2a9f9d038ccf6156ac7f03a0e0809adaf245a1347e5ece6ad31f9b37f283d71d34c031350456f30036078d5a3e97fa563bf6af6a8fcf6edeeb25d2

    • C:\ProgramData\IEHDBGDHDA.exe

      Filesize

      354KB

      MD5

      384a847ad2833788fa253433fd2eea8d

      SHA1

      1984d8788fe40bd95a90d7d4e9dea6c4e4ff6201

      SHA256

      de30491736617249b3e80fc9436ecf0f7675b3c3014509398c3db7298f93336a

      SHA512

      bcdbd44837629d8881c29a7c7f6a2d4e98b52fbc49952bad2c89340a1dee18fac9987aaa8a3d91905a1f88a216c0e2501201a8665f3df7d5f627ff71a2418aac

    • 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\156887258BBD6E1FEF562837733EA04E_5BBC02CEDFD3F7AC9E268D830CF231EE

      Filesize

      2KB

      MD5

      c7d6f1d1ad473815e5ce9720cdf98eb7

      SHA1

      e7a5c7eb8b106aab9a4aa0f1cea6d897701f7b39

      SHA256

      58062d352802a2d2101dfd3bf507a67dce697815d1ac52c51f102cee061c7dea

      SHA512

      8b095204af0b9cd44c6fd9b198b5a59378d04d843105370594fe689aa25200b0578d69682cb77537175436744f16c1af3d3e028de421c8bfaf039e0ed2514c8d

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771

      Filesize

      2KB

      MD5

      7ec05ad5ad4ea2f59d78a181b608dfb1

      SHA1

      95dfcb1ca8c7c6353bfc940c79f877d491158faa

      SHA256

      197a38efa533f9ff60b730cbc9b5fb604893e8dfb08a9ba85f0e5424779e3759

      SHA512

      da07b1ce6b278f20a93cfb83107be1a96bd134657be71f31b314e981ae9f85a8db50ae10458612bd460baca5e9402d5bce61b11ed648b191be42882273b8c00a

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\EB2C4AB8B68FFA4B7733A9139239A396_D76DB901EE986B889F30D8CC06229E2D

      Filesize

      1KB

      MD5

      9ea353ed4fed6ed641da2a1a1e66cbf3

      SHA1

      42cf55d3608819795042c23df5f18fcd2b6b0c58

      SHA256

      5245794a9cb70971f00a51f56b8b5305d16629c4d0d0e95916371a20a6119485

      SHA512

      7476acf575e998c56bae27703d635c82a5cfd43f736b9618ec430168148f25d79c97ca344670298b51956ca0b3707d6499ef5865fe1b933acb948dddc822d05e

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\156887258BBD6E1FEF562837733EA04E_5BBC02CEDFD3F7AC9E268D830CF231EE

      Filesize

      458B

      MD5

      8dc9aeb9f3a9c996d25ea10f90b68de4

      SHA1

      b7b280c361e728eb78ed6779bb368c5282041a88

      SHA256

      8edecd8f1134c5021793ca27bd45bafb5cfa079a9c7519cd4bfbfe5961f48a50

      SHA512

      e08e052742239443c170e2e8489af8a39ca62c8eb3a3bb08f4e980e1a4ae079d79bd0ef812ff31c32cf7110fcc062fdabd73a31f795d312d9c54a9f540454d9d

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771

      Filesize

      450B

      MD5

      e04e751da339da176529f60b569098c4

      SHA1

      3de1e4a729972e59e84e2c8a139b2dd5b45ed289

      SHA256

      774720b046f7037751110fc2a72c2f3996128b53129f4e59aeb251886c40e7d7

      SHA512

      14c6dba597f45243f9adb996d571f61bccbc8fb5b38e8d6fe3d97277aca525e84f3f669d6f35d15063538ac635998224a4b0786382c8a8fe27400894a478f8bf

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\EB2C4AB8B68FFA4B7733A9139239A396_D76DB901EE986B889F30D8CC06229E2D

      Filesize

      458B

      MD5

      e1f11539406c5a13158a369342ad113e

      SHA1

      1870eb13e2e886ee242836a016bab146511e17e7

      SHA256

      0072f8eb38a0afc83acc9db6b56c9f38042f3a5758935a507e8e6c889ec9b4ad

      SHA512

      76ff9ccc54521c60c3e5df34db1607bfa0a1d2f064e8a1b8d57db6a7c9c1e8eee8613cf22fc52cc35e05759c749f7f2dad2ad1c1a2ed46690e35fa56a434b72a

    • memory/720-43-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/720-85-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/720-59-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/720-60-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/720-42-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/720-27-0x00000000221D0000-0x000000002242F000-memory.dmp

      Filesize

      2.4MB

    • memory/720-84-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/720-4-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/720-92-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/720-93-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/720-26-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/720-25-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/720-9-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/720-11-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/1100-123-0x0000000000660000-0x00000000006AA000-memory.dmp

      Filesize

      296KB

    • memory/1572-136-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/1572-145-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/1572-162-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/1572-161-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/1572-147-0x0000000022830000-0x0000000022A8F000-memory.dmp

      Filesize

      2.4MB

    • memory/1572-132-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/1572-134-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/1572-146-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/1856-2-0x0000000074AE0000-0x0000000075290000-memory.dmp

      Filesize

      7.7MB

    • memory/1856-7-0x0000000074AE0000-0x0000000075290000-memory.dmp

      Filesize

      7.7MB

    • memory/1856-6-0x0000000074AE0000-0x0000000075290000-memory.dmp

      Filesize

      7.7MB

    • memory/1856-0-0x0000000074AEE000-0x0000000074AEF000-memory.dmp

      Filesize

      4KB

    • memory/1856-1-0x00000000009A0000-0x00000000009EA000-memory.dmp

      Filesize

      296KB

    • memory/3700-125-0x0000000000400000-0x000000000045D000-memory.dmp

      Filesize

      372KB

    • memory/3700-127-0x0000000000400000-0x000000000045D000-memory.dmp

      Filesize

      372KB

    • memory/3700-129-0x0000000000400000-0x000000000045D000-memory.dmp

      Filesize

      372KB

    • memory/4436-108-0x0000000000AF0000-0x0000000000B4A000-memory.dmp

      Filesize

      360KB

    • memory/4436-107-0x000000007208E000-0x000000007208F000-memory.dmp

      Filesize

      4KB

    • memory/4436-109-0x0000000072080000-0x0000000072830000-memory.dmp

      Filesize

      7.7MB

    • memory/4436-130-0x0000000072080000-0x0000000072830000-memory.dmp

      Filesize

      7.7MB