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Analysis

  • max time kernel
    47s
  • max time network
    52s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    07/10/2024, 19:17

General

  • Target

    e16b25aaadf645e0de019d8e3ed50eb0.exe

  • Size

    228KB

  • MD5

    e16b25aaadf645e0de019d8e3ed50eb0

  • SHA1

    2c854e550421be679e80cdad7926ffa9cbc3ae74

  • SHA256

    0e0eef4dc62fa4388dbc40cd4d7738942abba54bd6808fb6ebb4926d4c0de390

  • SHA512

    8dfe4dbd741289d352e329af2128b57d8c4789fae2ea5187f3167a0c883b09261169ca81fc6eee1e83177e15b12a6227a30c7d990de34cfdab90ef043df56dfc

  • SSDEEP

    6144:Dz7jiKUHBILFZ894EZURyxAV7aIJcGhmpr9s4S:DzniKUHeJm9x2KGhZ4S

Malware Config

Extracted

Family

vidar

Version

11

Botnet

60c3d71341c994ff133b7c9a96482d32

C2

https://t.me/maslengdsa

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 15 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
  • Drops startup file 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 24 IoCs
  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Program crash 3 IoCs
  • 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 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 60 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e16b25aaadf645e0de019d8e3ed50eb0.exe
    "C:\Users\Admin\AppData\Local\Temp\e16b25aaadf645e0de019d8e3ed50eb0.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2088
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
      2⤵
      • Drops startup file
      • Loads dropped DLL
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2976
      • C:\Users\Admin\AppData\Local\Temp\IDSM\22594e132764.exe
        "C:\Users\Admin\AppData\Local\Temp\IDSM\22594e132764.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2868
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
          4⤵
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          • Checks processor information in registry
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:2724
          • C:\ProgramData\KKFBFCAFCB.exe
            "C:\ProgramData\KKFBFCAFCB.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:1592
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
              6⤵
              • System Location Discovery: System Language Discovery
              PID:2760
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 1592 -s 52
              6⤵
              • Loads dropped DLL
              • Program crash
              PID:2364
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\IEHCAKKJDBKK" & exit
            5⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2700
            • C:\Windows\SysWOW64\timeout.exe
              timeout /t 10
              6⤵
              • System Location Discovery: System Language Discovery
              • Delays execution with timeout.exe
              PID:2648
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2868 -s 52
          4⤵
          • Loads dropped DLL
          • Program crash
          PID:2608
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2088 -s 52
      2⤵
      • Program crash
      PID:2684

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\CabA305.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\IDSM\22594e132764.exe

    Filesize

    571KB

    MD5

    0294e7be437f5dce111be4b66162a8cb

    SHA1

    bff2fda18e888a59a53449ee73393ae6a58dc805

    SHA256

    3357a71ea9043848bc912b93c3f0714aac02c84f77ed17b211937cfb3954afe2

    SHA512

    7cea4996beb0ee0fb484c8e9f9f054c3609b94b7a24034686bf64187079c68d069d0028132d850ed921caec0946b60d5bf07ae173b9290910de26122e91f9b49

  • C:\Users\Admin\AppData\Local\Temp\TarA366.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • \ProgramData\KKFBFCAFCB.exe

    Filesize

    538KB

    MD5

    933cd328743445fd4aa29eeaea35d726

    SHA1

    6b7abf067ef0b656286ed65832a78afdd5705a34

    SHA256

    53b4e4b1016a463835a05163aceebbaceb25f0edd24b7dfc8c02be3596a65e87

    SHA512

    1d7d79d63a758347da0840195d4d97af93a16d725e29f8eb322dce3591659faeb27c1ff5cd5c9c674f5833e144d230c5b9a4315a594e4c587397e98257ac997b

  • \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/2088-143-0x0000000000E78000-0x0000000000E79000-memory.dmp

    Filesize

    4KB

  • memory/2088-0-0x0000000000E78000-0x0000000000E79000-memory.dmp

    Filesize

    4KB

  • memory/2724-36-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/2724-462-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/2724-593-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/2724-481-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/2724-38-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/2724-419-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/2724-33-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/2724-400-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/2724-31-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/2724-41-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/2724-46-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/2724-40-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

    Filesize

    4KB

  • memory/2724-39-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/2724-217-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/2724-37-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/2724-43-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/2724-198-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/2724-250-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/2724-237-0x00000000202F0000-0x000000002054F000-memory.dmp

    Filesize

    2.4MB

  • memory/2724-271-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/2760-550-0x0000000000400000-0x0000000000463000-memory.dmp

    Filesize

    396KB

  • memory/2760-545-0x0000000000400000-0x0000000000463000-memory.dmp

    Filesize

    396KB

  • memory/2760-547-0x0000000000400000-0x0000000000463000-memory.dmp

    Filesize

    396KB

  • memory/2760-558-0x0000000000400000-0x0000000000463000-memory.dmp

    Filesize

    396KB

  • memory/2760-552-0x0000000000400000-0x0000000000463000-memory.dmp

    Filesize

    396KB

  • memory/2760-554-0x0000000000400000-0x0000000000463000-memory.dmp

    Filesize

    396KB

  • memory/2760-557-0x0000000000400000-0x0000000000463000-memory.dmp

    Filesize

    396KB

  • memory/2868-30-0x0000000000E7D000-0x0000000000E7F000-memory.dmp

    Filesize

    8KB

  • memory/2976-3-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

  • memory/2976-5-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

  • memory/2976-2-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

  • memory/2976-6-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

  • memory/2976-29-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

  • memory/2976-7-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

    Filesize

    4KB

  • memory/2976-4-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

  • memory/2976-8-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

  • memory/2976-1-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

  • memory/2976-10-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

  • memory/2976-11-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB