Analysis

  • max time kernel
    134s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-05-2024 11:52

General

  • Target

    恋雪系统变速器 1.4 Beta2/恋雪系统变速器 1.4 Beta2.exe

  • Size

    2.2MB

  • MD5

    ed00bbb91cc136de5b56270fe470f0f6

  • SHA1

    b3eac9bd49897ae871a2992368014534a9cd86f0

  • SHA256

    1ea21ca8cbf3ca8e964d8a4a93c91eaf83771e2878bd67dc4cb4721774e6a260

  • SHA512

    f933d267837ae594852bfc6cf357c11d539cb0b144ecd7d08f582bb0c5c79938ea18433d81480238bb0fc443fc54254212ce2e8a8249fde251adfc7253cb88e5

  • SSDEEP

    49152:LXeJczfx+OmM7WNQovKIRZLdhS/bety0vYdqG85HedVm1s8:LXccb4dM7WLKIj8Ct1vcqrYa

Malware Config

Signatures

  • ModiLoader, DBatLoader

    ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

  • ModiLoader Second Stage 2 IoCs
  • Executes dropped EXE 2 IoCs
  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • VMProtect packed file 7 IoCs

    Detects executables packed with VMProtect commercial packer.

  • Drops file in System32 directory 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Modifies Internet Explorer settings 1 TTPs 30 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 10 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\恋雪系统变速器 1.4 Beta2\恋雪系统变速器 1.4 Beta2.exe
    "C:\Users\Admin\AppData\Local\Temp\恋雪系统变速器 1.4 Beta2\恋雪系统变速器 1.4 Beta2.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1636
    • C:\Users\Admin\AppData\Local\Temp\LianXue_WPE.exe
      C:\Users\Admin\AppData\Local\Temp\LianXue_WPE.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:1272
      • C:\Users\Admin\AppData\Local\Temp\LianXue_WPE.exe
        C:\Users\Admin\AppData\Local\Temp\LianXue_WPE.exe
        3⤵
        • Executes dropped EXE
        • Drops file in System32 directory
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:2680
        • C:\program files\internet explorer\IEXPLORE.EXE
          "C:\program files\internet explorer\IEXPLORE.EXE"
          4⤵
          • Modifies Internet Explorer settings
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:1080
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1080 CREDAT:17410 /prefetch:2
            5⤵
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:5036

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

    Filesize

    471B

    MD5

    cf184a85bb889ee72130f32f3de611f7

    SHA1

    500de7c317290cd07a6ad8773cdc75623a0549ac

    SHA256

    09f37ae0bf919e075441a0c5d52a18208ed3133c777d78271a1f7fdabef6ab15

    SHA512

    754309fc8b3135cac46adfb778e86c813ecfff3415cdcf5d6530827214f14e079a7a07546df99a518284fbc98e333f16023fc1ca52d8c1877e44cfe558520ccb

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

    Filesize

    404B

    MD5

    0ff508721e75d935173cb66b202771d3

    SHA1

    4e99a71bf86157aec7c4d6d4df7a83df1d54ea56

    SHA256

    25a58570398e8138d121fb3b1fc7d3d3f8ba978b30be516fe61a1b87c76b141c

    SHA512

    bcec84033c570c9f053e8d95f7b51fd4ca3b5f0f46848dd23409020e6f4119cfc09d5e77bb90a8686bc03277d1dd99bd74441fdc960253e2df9c6d3c52442769

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\B91VJWSD\suggestions[1].en-US

    Filesize

    17KB

    MD5

    5a34cb996293fde2cb7a4ac89587393a

    SHA1

    3c96c993500690d1a77873cd62bc639b3a10653f

    SHA256

    c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

    SHA512

    e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

  • C:\Users\Admin\AppData\Local\Temp\LianXue_WPE.exe

    Filesize

    702KB

    MD5

    c7734ebabc26a1989a0f151abe699a18

    SHA1

    4bfc5c8f96d220b0b768b266f0ad9a6020644938

    SHA256

    2e6a28f71058d8641fa251a1327ff4f9a7891cb1a7079f1aa3da1713cfcf585b

    SHA512

    e4e6fe6ec0c64ef4357921ed551f7436128e9ce3f86d8a939217023db78351080c09b78d6b0e9d7d6874d807e63ac62a0bc97d2782c673d3ef42a1323c4eb4bf

  • memory/1080-15-0x0000000000EA0000-0x0000000001005000-memory.dmp

    Filesize

    1.4MB

  • memory/1272-11-0x0000000000400000-0x0000000000565000-memory.dmp

    Filesize

    1.4MB

  • memory/1636-9-0x0000000000400000-0x00000000008E7000-memory.dmp

    Filesize

    4.9MB

  • memory/1636-0-0x0000000000400000-0x00000000008E7000-memory.dmp

    Filesize

    4.9MB

  • memory/1636-5-0x0000000000400000-0x00000000008E7000-memory.dmp

    Filesize

    4.9MB

  • memory/1636-18-0x00000000028C0000-0x0000000002993000-memory.dmp

    Filesize

    844KB

  • memory/1636-19-0x0000000000400000-0x00000000008E7000-memory.dmp

    Filesize

    4.9MB

  • memory/1636-20-0x0000000011000000-0x000000001104C000-memory.dmp

    Filesize

    304KB

  • memory/1636-21-0x0000000000400000-0x00000000008E7000-memory.dmp

    Filesize

    4.9MB

  • memory/1636-22-0x00000000028C0000-0x0000000002993000-memory.dmp

    Filesize

    844KB

  • memory/1636-23-0x0000000000400000-0x00000000008E7000-memory.dmp

    Filesize

    4.9MB

  • memory/1636-2-0x0000000000400000-0x00000000008E7000-memory.dmp

    Filesize

    4.9MB

  • memory/1636-1-0x0000000000401000-0x0000000000483000-memory.dmp

    Filesize

    520KB

  • memory/2680-16-0x0000000000400000-0x00000000004BE000-memory.dmp

    Filesize

    760KB

  • memory/2680-13-0x0000000000400000-0x00000000004BE000-memory.dmp

    Filesize

    760KB