Analysis

  • max time kernel
    93s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-09-2024 06:48

General

  • Target

    file.exe

  • Size

    283KB

  • MD5

    1a8eac6293ff78c7b9069e87830cc8c7

  • SHA1

    6d73f90761d45ac64e9f6eb36da1e82756f2cee7

  • SHA256

    d70176af4397fd3ce6b70a18a3b48ab445a7fa165cf0f758c5d02faa6387ea53

  • SHA512

    9f53782d65ee9d25537f7e0b075aa1df1c430f1c416014ebf4d10970ab504c388799068da07e78dfec7de4bf21457deb7f3c81f64a25b6e5b2872f85fa2472ae

  • SSDEEP

    6144:DMsGCiIVbgS/z41Pj2Hlmu8VsLIIiRHTHKJlo9agrEO:D/GCiibh7OiHlB8VsLI1rbEO

Malware Config

Extracted

Family

vidar

C2

http://147.45.126.10:80

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://commisionipwn.shop/api

Signatures

  • Detect Vidar Stealer 22 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
  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of WriteProcessMemory 53 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:4528
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
        PID:4852
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
        2⤵
          PID:2980
        • 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
          • Modifies system certificate store
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:1240
          • C:\ProgramData\JEBKJDAFHJ.exe
            "C:\ProgramData\JEBKJDAFHJ.exe"
            3⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:1892
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
              4⤵
                PID:3284
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                4⤵
                  PID:3992
                • 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:3908
              • C:\ProgramData\AAAKEBGDAF.exe
                "C:\ProgramData\AAAKEBGDAF.exe"
                3⤵
                • Executes dropped EXE
                • Suspicious use of SetThreadContext
                • System Location Discovery: System Language Discovery
                • Suspicious use of WriteProcessMemory
                PID:4720
                • 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:3224
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\DBGIJEHIIDGC" & exit
                3⤵
                • System Location Discovery: System Language Discovery
                • Suspicious use of WriteProcessMemory
                PID:3576
                • C:\Windows\SysWOW64\timeout.exe
                  timeout /t 10
                  4⤵
                  • System Location Discovery: System Language Discovery
                  • Delays execution with timeout.exe
                  PID:2548

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\ProgramData\AAAKEBGDAF.exe

            Filesize

            321KB

            MD5

            94c5abd0eccd77846b4e0f641906bb19

            SHA1

            3fb0119c89952f61aee14abbe693a293ee916439

            SHA256

            863c177542f93d6e42ba2dc7633cec75da9515c39ed13915f63e9361f5cf7a6b

            SHA512

            4bbfce9f805c755380ff18cecc5a6cfeb9aeadf7140d5c612fca44cff923b57507ab01bd2b2f1389a97c0b3b41737e16732330980a9e3b02898b2c1271c7eae9

          • C:\ProgramData\DGDHJEGIEBFH\KFBFCA

            Filesize

            160KB

            MD5

            f310cf1ff562ae14449e0167a3e1fe46

            SHA1

            85c58afa9049467031c6c2b17f5c12ca73bb2788

            SHA256

            e187946249cd390a3c1cf5d4e3b0d8f554f9acdc416bf4e7111fff217bb08855

            SHA512

            1196371de08c964268c44103ccaed530bda6a145df98e0f480d8ee5ad58cb6fb33ca4c9195a52181fe864726dcf52e6a7a466d693af0cda43400a3a7ef125fad

          • C:\ProgramData\JEBKJDAFHJ.exe

            Filesize

            283KB

            MD5

            e1001c8649ac77faeb446d8ff91f50d2

            SHA1

            c2532c7b108ac61ca439cfd0a7992b26c89dc34b

            SHA256

            05d5d2f7e1270d38d47870c349d22a7e02c9682ba123b1b5e8ae1aa4e3554087

            SHA512

            a55bfa7eafca3306e51bd0e1100e46ea407f4451332fcce2772788a25e77d9b968a2ffc934cc05fc9117a1ab8ddade1f15e61cdd35341ee8d977721bb4fb178f

          • 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

          • memory/1240-48-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/1240-83-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/1240-15-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/1240-31-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/1240-17-0x00000000224F0000-0x000000002274F000-memory.dmp

            Filesize

            2.4MB

          • memory/1240-3-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/1240-32-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/1240-49-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/1240-14-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/1240-8-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/1240-74-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/1240-6-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/1240-75-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/1240-82-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/1892-108-0x0000000071830000-0x0000000071FE0000-memory.dmp

            Filesize

            7.7MB

          • memory/1892-103-0x000000007183E000-0x000000007183F000-memory.dmp

            Filesize

            4KB

          • memory/1892-104-0x0000000000A40000-0x0000000000A8A000-memory.dmp

            Filesize

            296KB

          • memory/1892-146-0x0000000071830000-0x0000000071FE0000-memory.dmp

            Filesize

            7.7MB

          • memory/3224-130-0x0000000000400000-0x0000000000458000-memory.dmp

            Filesize

            352KB

          • memory/3224-132-0x0000000000400000-0x0000000000458000-memory.dmp

            Filesize

            352KB

          • memory/3224-134-0x0000000000400000-0x0000000000458000-memory.dmp

            Filesize

            352KB

          • memory/3908-106-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/3908-145-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/3908-163-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/3908-162-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/3908-111-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/3908-114-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/3908-144-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/3908-161-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/3908-147-0x0000000022140000-0x000000002239F000-memory.dmp

            Filesize

            2.4MB

          • memory/4528-56-0x00000000748E0000-0x0000000075090000-memory.dmp

            Filesize

            7.7MB

          • memory/4528-1-0x00000000008A0000-0x00000000008EA000-memory.dmp

            Filesize

            296KB

          • memory/4528-0-0x00000000748EE000-0x00000000748EF000-memory.dmp

            Filesize

            4KB

          • memory/4528-11-0x00000000748E0000-0x0000000075090000-memory.dmp

            Filesize

            7.7MB

          • memory/4720-128-0x0000000000500000-0x0000000000554000-memory.dmp

            Filesize

            336KB