Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    09-10-2024 02:32

General

  • Target

    b60ea8fb0f9742c61533647f03983604da599423757f664c0a91f49a3c8db69b.exe

  • Size

    580KB

  • MD5

    b0f04d2d53d1d0a26271120e7404d2d3

  • SHA1

    0fabcf4ad175477be07dfc5ee0cfdc152169b0ea

  • SHA256

    b60ea8fb0f9742c61533647f03983604da599423757f664c0a91f49a3c8db69b

  • SHA512

    b43dbffa61a521aecec2769797744580e2c604fd8be5f843fc4971a73ff5fc746c1552f95eb3aff36173541233e4c642bfe1779924a5d18b7f26e16097812e5a

  • SSDEEP

    12288:y2qapAlfgoXFbrljw86QtLDFCe2k/Wz63GubzHRj2qzszaD6dIisEO:MawfgkntLDDOzS11SRWzt

Malware Config

Extracted

Family

vidar

C2

http://proxy.johnmccrea.com/

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

Signatures

  • Detect Vidar Stealer 16 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
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 12 IoCs
  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Suspicious use of SetThreadContext 2 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Program crash 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 6 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 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of WriteProcessMemory 45 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b60ea8fb0f9742c61533647f03983604da599423757f664c0a91f49a3c8db69b.exe
    "C:\Users\Admin\AppData\Local\Temp\b60ea8fb0f9742c61533647f03983604da599423757f664c0a91f49a3c8db69b.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2420
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
      2⤵
        PID:1256
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Checks processor information in registry
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1740
        • C:\ProgramData\HDBGHDHCGH.exe
          "C:\ProgramData\HDBGHDHCGH.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2960
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
            4⤵
            • System Location Discovery: System Language Discovery
            PID:2600
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 2960 -s 96
            4⤵
            • Loads dropped DLL
            • Program crash
            PID:1936
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\BKJJEBKKEHJD" & exit
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2164
          • C:\Windows\SysWOW64\timeout.exe
            timeout /t 10
            4⤵
            • System Location Discovery: System Language Discovery
            • Delays execution with timeout.exe
            PID:2344
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2420 -s 60
        2⤵
        • Program crash
        PID:2460

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\Cab32.tmp

      Filesize

      70KB

      MD5

      49aebf8cbd62d92ac215b2923fb1b9f5

      SHA1

      1723be06719828dda65ad804298d0431f6aff976

      SHA256

      b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

      SHA512

      bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

    • C:\Users\Admin\AppData\Local\Temp\Tar54.tmp

      Filesize

      181KB

      MD5

      4ea6026cf93ec6338144661bf1202cd1

      SHA1

      a1dec9044f750ad887935a01430bf49322fbdcb7

      SHA256

      8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

      SHA512

      6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

    • \ProgramData\HDBGHDHCGH.exe

      Filesize

      555KB

      MD5

      804353bd30589524aae6e6200ee71180

      SHA1

      6180ab0c23eb7ff3d611d52aed98d1223c6d3c54

      SHA256

      f5378f0beb792d72f752ad36b3e9432f3303cd849fade3f68c811d761d23756a

      SHA512

      7d3e3298bc86fe79bd5b65574de2598241d9c65a901ef4fd18fa7c5fb35e7dd998e570456a3338ddf777e5558f28f19a7a5df19a5df22a8d0e1e4bd212778c1e

    • \ProgramData\mozglue.dll

      Filesize

      593KB

      MD5

      c8fd9be83bc728cc04beffafc2907fe9

      SHA1

      95ab9f701e0024cedfbd312bcfe4e726744c4f2e

      SHA256

      ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

      SHA512

      fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

    • \ProgramData\nss3.dll

      Filesize

      2.0MB

      MD5

      1cc453cdf74f31e4d913ff9c10acdde2

      SHA1

      6e85eae544d6e965f15fa5c39700fa7202f3aafe

      SHA256

      ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

      SHA512

      dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

    • memory/1740-60-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/1740-68-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/1740-8-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/1740-7-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/1740-3-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/1740-5-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/1740-16-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/1740-17-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/1740-20-0x00000000155B0000-0x000000001580F000-memory.dmp

      Filesize

      2.4MB

    • memory/1740-30-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/1740-31-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/1740-10-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/1740-15-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/1740-1-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/1740-61-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/1740-9-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

      Filesize

      4KB

    • memory/1740-69-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/1740-70-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/1740-12-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/1740-6-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/1740-106-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/2420-0-0x0000000000C9C000-0x0000000000C9E000-memory.dmp

      Filesize

      8KB

    • memory/2600-99-0x0000000000400000-0x0000000000461000-memory.dmp

      Filesize

      388KB

    • memory/2600-104-0x0000000000400000-0x0000000000461000-memory.dmp

      Filesize

      388KB

    • memory/2600-95-0x0000000000400000-0x0000000000461000-memory.dmp

      Filesize

      388KB

    • memory/2600-94-0x0000000000400000-0x0000000000461000-memory.dmp

      Filesize

      388KB

    • memory/2600-93-0x0000000000400000-0x0000000000461000-memory.dmp

      Filesize

      388KB

    • memory/2600-92-0x0000000000400000-0x0000000000461000-memory.dmp

      Filesize

      388KB

    • memory/2600-91-0x0000000000400000-0x0000000000461000-memory.dmp

      Filesize

      388KB

    • memory/2600-98-0x0000000000400000-0x0000000000461000-memory.dmp

      Filesize

      388KB

    • memory/2600-96-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

      Filesize

      4KB

    • memory/2960-90-0x0000000000F24000-0x0000000000F26000-memory.dmp

      Filesize

      8KB