Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-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 5 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
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 4 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.

  • Modifies system certificate store 2 TTPs 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of WriteProcessMemory 63 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:1740
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
        PID:1424
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Checks processor information in registry
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2688
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\AdminCGCFCBAKKF.exe"
          3⤵
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:3040
          • C:\Users\AdminCGCFCBAKKF.exe
            "C:\Users\AdminCGCFCBAKKF.exe"
            4⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2932
            • 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
              • Modifies system certificate store
              PID:1808
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\AdminFIEGCBKEGC.exe"
          3⤵
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2876
          • C:\Users\AdminFIEGCBKEGC.exe
            "C:\Users\AdminFIEGCBKEGC.exe"
            4⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2956
            • 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
              • Modifies system certificate store
              • Suspicious behavior: EnumeratesProcesses
              PID:1944

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\CabB914.tmp

      Filesize

      70KB

      MD5

      49aebf8cbd62d92ac215b2923fb1b9f5

      SHA1

      1723be06719828dda65ad804298d0431f6aff976

      SHA256

      b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

      SHA512

      bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

    • C:\Users\Admin\AppData\Local\Temp\TarB936.tmp

      Filesize

      181KB

      MD5

      4ea6026cf93ec6338144661bf1202cd1

      SHA1

      a1dec9044f750ad887935a01430bf49322fbdcb7

      SHA256

      8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

      SHA512

      6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

    • \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

    • \Users\AdminCGCFCBAKKF.exe

      Filesize

      354KB

      MD5

      384a847ad2833788fa253433fd2eea8d

      SHA1

      1984d8788fe40bd95a90d7d4e9dea6c4e4ff6201

      SHA256

      de30491736617249b3e80fc9436ecf0f7675b3c3014509398c3db7298f93336a

      SHA512

      bcdbd44837629d8881c29a7c7f6a2d4e98b52fbc49952bad2c89340a1dee18fac9987aaa8a3d91905a1f88a216c0e2501201a8665f3df7d5f627ff71a2418aac

    • \Users\AdminFIEGCBKEGC.exe

      Filesize

      292KB

      MD5

      4a8a0ccfecc930091116324c79c1006e

      SHA1

      d790befcbc31a4befafeaf08879e15f99633b2a1

      SHA256

      146b7006b041d25b6846c797234f38387ec4b141c4a7e4f100d0e6d2eda29088

      SHA512

      ffef04766c2a9f9d038ccf6156ac7f03a0e0809adaf245a1347e5ece6ad31f9b37f283d71d34c031350456f30036078d5a3e97fa563bf6af6a8fcf6edeeb25d2

    • memory/1740-17-0x0000000074970000-0x000000007505E000-memory.dmp

      Filesize

      6.9MB

    • memory/1740-4-0x0000000074970000-0x000000007505E000-memory.dmp

      Filesize

      6.9MB

    • memory/1740-1-0x00000000010C0000-0x00000000010F8000-memory.dmp

      Filesize

      224KB

    • memory/1740-2-0x0000000074970000-0x000000007505E000-memory.dmp

      Filesize

      6.9MB

    • memory/1740-0-0x000000007497E000-0x000000007497F000-memory.dmp

      Filesize

      4KB

    • memory/1808-101-0x0000000000400000-0x000000000045D000-memory.dmp

      Filesize

      372KB

    • memory/1808-106-0x0000000000400000-0x000000000045D000-memory.dmp

      Filesize

      372KB

    • memory/1808-114-0x0000000000400000-0x000000000045D000-memory.dmp

      Filesize

      372KB

    • memory/1808-111-0x0000000000400000-0x000000000045D000-memory.dmp

      Filesize

      372KB

    • memory/1808-102-0x0000000000400000-0x000000000045D000-memory.dmp

      Filesize

      372KB

    • memory/1808-110-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/1808-108-0x0000000000400000-0x000000000045D000-memory.dmp

      Filesize

      372KB

    • memory/1808-112-0x0000000000400000-0x000000000045D000-memory.dmp

      Filesize

      372KB

    • memory/1808-104-0x0000000000400000-0x000000000045D000-memory.dmp

      Filesize

      372KB

    • memory/1944-122-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/1944-125-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/1944-130-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/1944-127-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/1944-120-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/1944-116-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/1944-118-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2688-10-0x0000000000400000-0x0000000000643000-memory.dmp

      Filesize

      2.3MB

    • memory/2688-5-0x0000000000400000-0x0000000000643000-memory.dmp

      Filesize

      2.3MB

    • memory/2688-7-0x0000000000400000-0x0000000000643000-memory.dmp

      Filesize

      2.3MB

    • memory/2688-16-0x0000000000400000-0x0000000000643000-memory.dmp

      Filesize

      2.3MB

    • memory/2688-19-0x0000000000400000-0x0000000000643000-memory.dmp

      Filesize

      2.3MB

    • memory/2688-24-0x0000000061E00000-0x0000000061EF3000-memory.dmp

      Filesize

      972KB

    • memory/2688-9-0x0000000000400000-0x0000000000643000-memory.dmp

      Filesize

      2.3MB

    • memory/2688-13-0x0000000000400000-0x0000000000643000-memory.dmp

      Filesize

      2.3MB

    • memory/2688-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2688-21-0x0000000000400000-0x0000000000643000-memory.dmp

      Filesize

      2.3MB

    • memory/2688-98-0x0000000000400000-0x0000000000643000-memory.dmp

      Filesize

      2.3MB

    • memory/2688-22-0x0000000000400000-0x0000000000643000-memory.dmp

      Filesize

      2.3MB

    • memory/2932-90-0x0000000001210000-0x000000000126A000-memory.dmp

      Filesize

      360KB

    • memory/2932-89-0x000000007369E000-0x000000007369F000-memory.dmp

      Filesize

      4KB

    • memory/2956-115-0x00000000021E0000-0x00000000041E0000-memory.dmp

      Filesize

      32.0MB

    • memory/2956-97-0x00000000000B0000-0x00000000000FA000-memory.dmp

      Filesize

      296KB