Analysis

  • max time kernel
    94s
  • max time network
    132s
  • 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 01:46

General

  • Target

    d63d18c67f83e54c77072aa953c5e5c0496a7a4c2ac6ca8bd07e211ee80b3d6c.exe

  • Size

    216KB

  • MD5

    3c01f02d55374baace8ac5b33fe49f0e

  • SHA1

    20c79d225fad0162363986914f34830cb6e1caaa

  • SHA256

    d63d18c67f83e54c77072aa953c5e5c0496a7a4c2ac6ca8bd07e211ee80b3d6c

  • SHA512

    430c8e350363a38ea37067ddd379c04f723ec379a959cc2083ca2a6b17e789f7a6c30e377e82f3514c6bb603e8a6890d40eb3de84b9ddf8b84bb8005fe2dd850

  • SSDEEP

    6144:sgc6Fx2RMPWAECC4ukYFYMbejiofOXpXbV4EO:bpP2RMPjECCmYFYMbej2LV4EO

Malware Config

Extracted

Family

stealc

Botnet

default

C2

http://46.8.231.109

Attributes
  • url_path

    /c4754d4f680ead72.php

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 7 IoCs
  • Lumma Stealer, LummaC

    Lumma or LummaC is an infostealer written in C++ first seen in August 2022.

  • Stealc

    Stealc is an infostealer written in C++.

  • 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.

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of WriteProcessMemory 49 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d63d18c67f83e54c77072aa953c5e5c0496a7a4c2ac6ca8bd07e211ee80b3d6c.exe
    "C:\Users\Admin\AppData\Local\Temp\d63d18c67f83e54c77072aa953c5e5c0496a7a4c2ac6ca8bd07e211ee80b3d6c.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:376
    • 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:3128
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\AdminKECBKKEBKE.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2064
        • C:\Users\AdminKECBKKEBKE.exe
          "C:\Users\AdminKECBKKEBKE.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1132
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
            5⤵
            • System Location Discovery: System Language Discovery
            PID:2504
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\AdminCAFHDBGHJK.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:368
        • C:\Users\AdminCAFHDBGHJK.exe
          "C:\Users\AdminCAFHDBGHJK.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:4384
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
            5⤵
              PID:1708
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
              5⤵
                PID:4140
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                5⤵
                  PID:852
                • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                  5⤵
                  • System Location Discovery: System Language Discovery
                  • Checks processor information in registry
                  • Suspicious behavior: EnumeratesProcesses
                  PID:5040

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • 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\AdminCAFHDBGHJK.exe

          Filesize

          292KB

          MD5

          4a8a0ccfecc930091116324c79c1006e

          SHA1

          d790befcbc31a4befafeaf08879e15f99633b2a1

          SHA256

          146b7006b041d25b6846c797234f38387ec4b141c4a7e4f100d0e6d2eda29088

          SHA512

          ffef04766c2a9f9d038ccf6156ac7f03a0e0809adaf245a1347e5ece6ad31f9b37f283d71d34c031350456f30036078d5a3e97fa563bf6af6a8fcf6edeeb25d2

        • C:\Users\AdminKECBKKEBKE.exe

          Filesize

          354KB

          MD5

          384a847ad2833788fa253433fd2eea8d

          SHA1

          1984d8788fe40bd95a90d7d4e9dea6c4e4ff6201

          SHA256

          de30491736617249b3e80fc9436ecf0f7675b3c3014509398c3db7298f93336a

          SHA512

          bcdbd44837629d8881c29a7c7f6a2d4e98b52fbc49952bad2c89340a1dee18fac9987aaa8a3d91905a1f88a216c0e2501201a8665f3df7d5f627ff71a2418aac

        • memory/376-1-0x0000000000DB0000-0x0000000000DE8000-memory.dmp

          Filesize

          224KB

        • memory/376-2-0x0000000074910000-0x00000000750C0000-memory.dmp

          Filesize

          7.7MB

        • memory/376-6-0x0000000074910000-0x00000000750C0000-memory.dmp

          Filesize

          7.7MB

        • memory/376-0-0x000000007491E000-0x000000007491F000-memory.dmp

          Filesize

          4KB

        • memory/376-9-0x0000000074910000-0x00000000750C0000-memory.dmp

          Filesize

          7.7MB

        • memory/1132-94-0x0000000072500000-0x0000000072CB0000-memory.dmp

          Filesize

          7.7MB

        • memory/1132-106-0x0000000072500000-0x0000000072CB0000-memory.dmp

          Filesize

          7.7MB

        • memory/1132-92-0x000000007250E000-0x000000007250F000-memory.dmp

          Filesize

          4KB

        • memory/1132-93-0x0000000000120000-0x000000000017A000-memory.dmp

          Filesize

          360KB

        • memory/2504-101-0x0000000000400000-0x000000000045D000-memory.dmp

          Filesize

          372KB

        • memory/2504-103-0x0000000000400000-0x000000000045D000-memory.dmp

          Filesize

          372KB

        • memory/2504-105-0x0000000000400000-0x000000000045D000-memory.dmp

          Filesize

          372KB

        • memory/3128-4-0x0000000000400000-0x0000000000643000-memory.dmp

          Filesize

          2.3MB

        • memory/3128-97-0x0000000000400000-0x0000000000643000-memory.dmp

          Filesize

          2.3MB

        • memory/3128-11-0x0000000061E00000-0x0000000061EF3000-memory.dmp

          Filesize

          972KB

        • memory/3128-8-0x0000000000400000-0x0000000000643000-memory.dmp

          Filesize

          2.3MB

        • memory/3128-10-0x0000000000400000-0x0000000000643000-memory.dmp

          Filesize

          2.3MB

        • memory/4384-99-0x00000000002D0000-0x000000000031A000-memory.dmp

          Filesize

          296KB

        • memory/5040-110-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/5040-112-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/5040-108-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/5040-126-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/5040-127-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/5040-128-0x000000001FD40000-0x000000001FF9F000-memory.dmp

          Filesize

          2.4MB

        • memory/5040-142-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/5040-143-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB