Resubmissions

29-06-2024 03:36

240629-d54zxstbmq 10

28-06-2024 13:39

240628-qygbhasdle 10

28-06-2024 13:29

240628-qq9yvavdjm 3

Analysis

  • max time kernel
    204s
  • max time network
    210s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-06-2024 03:36

General

  • Target

    YuQu Loader.rar (USE ONLY IF NOT WORKING).zip

  • Size

    117.4MB

  • MD5

    3ea9457e45cbb04a30aa8ae12ab71891

  • SHA1

    26259b9ec0d8d32a003ec64060672aaf27beae85

  • SHA256

    6d69b17bda1ff9f48b17c493291a93d5f98d0ae2395d326cdbae41c96d3ccd87

  • SHA512

    f60abc13879eb2d488b4885c36d77e96f398f55c5f181006e5c9a4e8bb1686f5c584c99fcf57482fe521d81fb9b46e5ec5ec6f1e1acaa24500585d54fa674aa1

  • SSDEEP

    3145728:2hJPhl2pXF40X0xnav4as6dpfp9M3cOPyc:2DPLcmMLs6np9MJ

Score
10/10

Malware Config

Extracted

Family

lumma

C2

https://extorteauhhwigw.shop/api

https://potterryisiw.shop/api

https://foodypannyjsud.shop/api

https://contintnetksows.shop/api

https://reinforcedirectorywd.shop/api

Signatures

  • Lumma Stealer

    An infostealer written in C++ first seen in August 2022.

  • Executes dropped EXE 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Program crash 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Windows\Explorer.exe
    C:\Windows\Explorer.exe /idlist,,"C:\Users\Admin\AppData\Local\Temp\YuQu Loader.rar (USE ONLY IF NOT WORKING).zip"
    1⤵
      PID:2548
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4272,i,3671441404766730751,12082497324212183132,262144 --variations-seed-version --mojo-platform-channel-handle=4140 /prefetch:8
      1⤵
        PID:3368
      • C:\Windows\System32\rundll32.exe
        C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
        1⤵
          PID:1492
        • C:\Program Files\7-Zip\7zG.exe
          "C:\Program Files\7-Zip\7zG.exe" x -o"C:\Users\Admin\AppData\Local\Temp\YuQu Loader.rar (USE ONLY IF NOT WORKING)\" -spe -an -ai#7zMap28024:162:7zEvent4702
          1⤵
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of FindShellTrayWindow
          PID:2548
        • C:\Users\Admin\AppData\Local\Temp\YuQu Loader.rar (USE ONLY IF NOT WORKING)\YuQu Loader\YuQu Loader.exe
          "C:\Users\Admin\AppData\Local\Temp\YuQu Loader.rar (USE ONLY IF NOT WORKING)\YuQu Loader\YuQu Loader.exe"
          1⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious use of WriteProcessMemory
          PID:1252
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
            2⤵
              PID:2864
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 1252 -s 284
              2⤵
              • Program crash
              PID:4280
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1252 -ip 1252
            1⤵
              PID:2592
            • C:\Users\Admin\AppData\Local\Temp\YuQu Loader.rar (USE ONLY IF NOT WORKING)\YuQu Loader\YuQu Loader.exe
              "C:\Users\Admin\AppData\Local\Temp\YuQu Loader.rar (USE ONLY IF NOT WORKING)\YuQu Loader\YuQu Loader.exe"
              1⤵
              • Executes dropped EXE
              • Suspicious use of SetThreadContext
              • Suspicious use of WriteProcessMemory
              PID:1168
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                2⤵
                  PID:4784
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 1168 -s 244
                  2⤵
                  • Program crash
                  PID:1680
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1168 -ip 1168
                1⤵
                  PID:3752

                Network

                MITRE ATT&CK Matrix

                Replay Monitor

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                Downloads

                • C:\Users\Admin\AppData\Local\Temp\YuQu Loader.rar (USE ONLY IF NOT WORKING)\YuQu Loader\Debug\x364.dll
                  Filesize

                  17.0MB

                  MD5

                  8b6e3f0cd5bcd2cf2ce2e16fe7070dc3

                  SHA1

                  ab47e5bde61d65f14a2ef72fedab2320ef282d5a

                  SHA256

                  a4ce9a380d6faedeef5b29874c9f47d122a27e038503ef4ca1e2d3a8b528c9d5

                  SHA512

                  61a518fffcf76802ef016d0f77f738dc1754832fed8202f7106262a3c4ea6d5ac213297839a6e78e365608ab9e7f4eb04f30c9d025ecfa45f8fcb7c47c2a87e5

                • C:\Users\Admin\AppData\Local\Temp\YuQu Loader.rar (USE ONLY IF NOT WORKING)\YuQu Loader\YuQu Loader.exe
                  Filesize

                  513KB

                  MD5

                  b4d55322e5018943ce7bd23eef86aaaa

                  SHA1

                  fe67bceb035897925d46a49cb21dad2f94ca785b

                  SHA256

                  67c7720694e4f280f0b7f398f6355b5a452673dce008d76d99279078a750b5df

                  SHA512

                  7956308b35f91932ab03c38e9e6ba0ad518781c29194b3e51925f1006446abe209570988bab4ba2b989093ab331353535ac21c622ca6ac5b9158d85c934733ef

                • memory/1252-150-0x0000000000750000-0x0000000000751000-memory.dmp
                  Filesize

                  4KB

                • memory/2864-151-0x0000000000400000-0x0000000000456000-memory.dmp
                  Filesize

                  344KB

                • memory/2864-153-0x0000000000400000-0x0000000000456000-memory.dmp
                  Filesize

                  344KB

                • memory/2864-154-0x0000000000400000-0x0000000000456000-memory.dmp
                  Filesize

                  344KB

                • memory/2864-155-0x0000000000400000-0x0000000000456000-memory.dmp
                  Filesize

                  344KB