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Analysis

  • max time kernel
    95s
  • max time network
    124s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/09/2024, 23:45

General

  • Target

    file.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 47 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:4280
    • 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:4812
      • C:\ProgramData\AEGHIJEHJD.exe
        "C:\ProgramData\AEGHIJEHJD.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3460
        • 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:3840
      • C:\ProgramData\HJDAKFBFBF.exe
        "C:\ProgramData\HJDAKFBFBF.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:5068
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
          4⤵
            PID:1340
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
            4⤵
              PID:4896
            • 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:3936
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\HJJEGCAAECBF" & exit
            3⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:4212
            • C:\Windows\SysWOW64\timeout.exe
              timeout /t 10
              4⤵
              • System Location Discovery: System Language Discovery
              • Delays execution with timeout.exe
              PID:4092

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\ProgramData\AEGHIJEHJD.exe

        Filesize

        354KB

        MD5

        384a847ad2833788fa253433fd2eea8d

        SHA1

        1984d8788fe40bd95a90d7d4e9dea6c4e4ff6201

        SHA256

        de30491736617249b3e80fc9436ecf0f7675b3c3014509398c3db7298f93336a

        SHA512

        bcdbd44837629d8881c29a7c7f6a2d4e98b52fbc49952bad2c89340a1dee18fac9987aaa8a3d91905a1f88a216c0e2501201a8665f3df7d5f627ff71a2418aac

      • C:\ProgramData\BFBGCFCFHCFH\CFHDBF

        Filesize

        160KB

        MD5

        f310cf1ff562ae14449e0167a3e1fe46

        SHA1

        85c58afa9049467031c6c2b17f5c12ca73bb2788

        SHA256

        e187946249cd390a3c1cf5d4e3b0d8f554f9acdc416bf4e7111fff217bb08855

        SHA512

        1196371de08c964268c44103ccaed530bda6a145df98e0f480d8ee5ad58cb6fb33ca4c9195a52181fe864726dcf52e6a7a466d693af0cda43400a3a7ef125fad

      • C:\ProgramData\HJDAKFBFBF.exe

        Filesize

        292KB

        MD5

        4a8a0ccfecc930091116324c79c1006e

        SHA1

        d790befcbc31a4befafeaf08879e15f99633b2a1

        SHA256

        146b7006b041d25b6846c797234f38387ec4b141c4a7e4f100d0e6d2eda29088

        SHA512

        ffef04766c2a9f9d038ccf6156ac7f03a0e0809adaf245a1347e5ece6ad31f9b37f283d71d34c031350456f30036078d5a3e97fa563bf6af6a8fcf6edeeb25d2

      • 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

        4c4bf9e4d624f1045d8f73ed7f97dc3e

        SHA1

        1d78800f4a780fc6f75a778faeed2baaf84f2206

        SHA256

        6dcfee83067db655225002d6ee68c1948d82de8a4b488355fbdee6fce73638db

        SHA512

        4c950580ec4fb088382f066948964846bbee5d575eac1f70253e5adc3c09f071d398c1b6eb42fb2a00e017ba2a344ef6709c6f321a5b38db8bd39933989494bb

      • 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

        4011b7a0a04581fb845dc6a81fbf85b1

        SHA1

        cd5f32a9f6754a0781cb62de8220048d6f63da0a

        SHA256

        f6d25531203fc5b891cc1bf25f28d373e976532c7d863c667c8811baf3c44c3e

        SHA512

        2f43a119bdf3293225480403c53b6fa1c23febf67f8c63a5b19d1cd0bd0c72e40b2b157d8dde073ffae7e9f682c6b443ed92fc77782316a262abbdb45ae4c051

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

        Filesize

        450B

        MD5

        d3a09b5bf976d1948282956a2589acaf

        SHA1

        4ec90fcb38780bffb56480ac30db92e070b77e3d

        SHA256

        66d00e4f7ab9c86ffedfbf990abac314538c03ca7b63f5b6cbe174953177ce8a

        SHA512

        73f451db521f6ebee91f383b00e978e813446ce4e348ad4926b52284bdc11b282c7621397a66e0c883e0afc0e14c036599e87adcaec148f8df12b826f29926cd

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

        Filesize

        458B

        MD5

        11c1a7d1acccd5fa49dcebc9baea7c14

        SHA1

        ac2a0dec6b4a2bec8e95d37299f18d4af5378186

        SHA256

        f0d2644603b5486cab5837eec5afa2ec6be6a1de3a0932c4e71448214fab1317

        SHA512

        3c15353c63cf8915cbbb43821be5904f9b76a8d63c04866a4f5cb2e9de1ae5a06d723ea09c2ce034509957b90a1adb206d3c7d0ea6ed2dcf6f22f49e9165ecc3

      • memory/3460-130-0x0000000072950000-0x0000000073100000-memory.dmp

        Filesize

        7.7MB

      • memory/3460-109-0x0000000072950000-0x0000000073100000-memory.dmp

        Filesize

        7.7MB

      • memory/3460-108-0x000000007295E000-0x000000007295F000-memory.dmp

        Filesize

        4KB

      • memory/3460-107-0x0000000000B40000-0x0000000000B9A000-memory.dmp

        Filesize

        360KB

      • memory/3840-127-0x0000000000400000-0x000000000045D000-memory.dmp

        Filesize

        372KB

      • memory/3840-129-0x0000000000400000-0x000000000045D000-memory.dmp

        Filesize

        372KB

      • memory/3840-125-0x0000000000400000-0x000000000045D000-memory.dmp

        Filesize

        372KB

      • memory/3936-135-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/3936-132-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/3936-162-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/3936-161-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/3936-147-0x00000000227B0000-0x0000000022A0F000-memory.dmp

        Filesize

        2.4MB

      • memory/3936-146-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/3936-145-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/3936-136-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/4280-6-0x00000000753B0000-0x0000000075B60000-memory.dmp

        Filesize

        7.7MB

      • memory/4280-0-0x00000000753BE000-0x00000000753BF000-memory.dmp

        Filesize

        4KB

      • memory/4280-1-0x0000000000030000-0x000000000007A000-memory.dmp

        Filesize

        296KB

      • memory/4280-2-0x00000000753B0000-0x0000000075B60000-memory.dmp

        Filesize

        7.7MB

      • memory/4280-7-0x00000000753B0000-0x0000000075B60000-memory.dmp

        Filesize

        7.7MB

      • memory/4812-9-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/4812-4-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/4812-93-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/4812-11-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/4812-42-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/4812-25-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/4812-92-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/4812-43-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/4812-26-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/4812-59-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/4812-60-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/4812-84-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/4812-85-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/4812-28-0x0000000020460000-0x00000000206BF000-memory.dmp

        Filesize

        2.4MB

      • memory/5068-123-0x0000000000E90000-0x0000000000EDA000-memory.dmp

        Filesize

        296KB