Analysis

  • max time kernel
    11s
  • max time network
    141s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    22-12-2023 15:54

General

  • Target

    e326b3ba48f867480c20c9f06d5cd655.exe

  • Size

    1003KB

  • MD5

    e326b3ba48f867480c20c9f06d5cd655

  • SHA1

    6981d88ebf2ffbf320c155c6bfd7c286de38ff83

  • SHA256

    fa4b986944e52bceeee9297054e7983a083fede6d0eb4d4ef53c7d1370c2f200

  • SHA512

    4bbfa47cdb44137095f1f677c9d080f4bd011d086ceaf46577cd9d6795a4d0bf18db5f9f56736a20333614357aebd5f8c32078002e6a481168685dd1f6c06ef7

  • SSDEEP

    24576:GhIXH6/zRSw3VB8/DIbYvrrN+d8wrvAta4eCT:GhuHWV3VSSYv/od8wTAta4NT

Score
7/10
upx

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 3 IoCs

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

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e326b3ba48f867480c20c9f06d5cd655.exe
    "C:\Users\Admin\AppData\Local\Temp\e326b3ba48f867480c20c9f06d5cd655.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2552
    • C:\Users\Admin\AppData\Local\Temp\e326b3ba48f867480c20c9f06d5cd655.exe
      C:\Users\Admin\AppData\Local\Temp\e326b3ba48f867480c20c9f06d5cd655.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:2012
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\e326b3ba48f867480c20c9f06d5cd655.exe" /TN qm2lmOfce5f6 /F
        3⤵
        • Creates scheduled task(s)
        PID:2696
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c schtasks.exe /Query /XML /TN qm2lmOfce5f6 > C:\Users\Admin\AppData\Local\Temp\ctsdr.xml
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2664
  • C:\Windows\SysWOW64\schtasks.exe
    schtasks.exe /Query /XML /TN qm2lmOfce5f6
    1⤵
      PID:2612

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\ctsdr.xml

      Filesize

      1KB

      MD5

      5c38b7ba2f7d56dddb8640c41d081ade

      SHA1

      a2b0e88abe49574d72dadedff2b3c4fce1c2d0eb

      SHA256

      abf37848b83f2b46f23036859a7fb0502172bae647fa9925dee937c66afd168f

      SHA512

      749b59e14daf64ff4ae37bb1022d9a71ecdcfe0335ef9e8df10ccd96f4a087ed62f4d2a4487e4da81f2b8fd2e52662182745b1aa9934df31028703b66c9e2048

    • C:\Users\Admin\AppData\Local\Temp\e326b3ba48f867480c20c9f06d5cd655.exe

      Filesize

      221KB

      MD5

      3568ea6bad73d19cc8a1882c0cdf7401

      SHA1

      6549c2e033028fab3580ac132432eb787fc3e6a5

      SHA256

      3172e1d2adf1568b47dd5d69aa28dcb21a3d29d461de3e9865001747e74b91ef

      SHA512

      c808d45c27ed6a2231c62d7912be93b44b0a92824180047c7d95553dd7755ae383a8587e0617e9b7fa23057908d076d3bf95f8155b83d7ecd432983b2ed2a5ab

    • \Users\Admin\AppData\Local\Temp\e326b3ba48f867480c20c9f06d5cd655.exe

      Filesize

      276KB

      MD5

      e140f06ac496f661bea201afb78e2066

      SHA1

      e744765c47e99f81973ff7e1391f0870f0afc7a3

      SHA256

      67080b2f401e7ff236532eb83803fc67d1c62a0776f1cc667a46916d9d1a1c7a

      SHA512

      65d23a9a392f9c4dba8e9eb27b0ed74a8a2771196d5dc931803142f4e6842588369a4b941ce1d29aa7f1d3bb1c76a51bb7bd2146e2b1781add2ccaf7e95ccbec

    • memory/2012-20-0x0000000000400000-0x000000000065C000-memory.dmp

      Filesize

      2.4MB

    • memory/2012-22-0x0000000000350000-0x00000000003CE000-memory.dmp

      Filesize

      504KB

    • memory/2012-29-0x0000000000470000-0x00000000004DB000-memory.dmp

      Filesize

      428KB

    • memory/2012-26-0x0000000000400000-0x000000000045B000-memory.dmp

      Filesize

      364KB

    • memory/2012-45-0x0000000000400000-0x000000000065C000-memory.dmp

      Filesize

      2.4MB

    • memory/2552-17-0x0000000022FF0000-0x000000002324C000-memory.dmp

      Filesize

      2.4MB

    • memory/2552-3-0x00000000001A0000-0x000000000021E000-memory.dmp

      Filesize

      504KB

    • memory/2552-0-0x0000000000400000-0x000000000046B000-memory.dmp

      Filesize

      428KB

    • memory/2552-16-0x0000000000400000-0x000000000046B000-memory.dmp

      Filesize

      428KB

    • memory/2552-1-0x0000000000400000-0x000000000065C000-memory.dmp

      Filesize

      2.4MB

    • memory/2552-44-0x0000000022FF0000-0x000000002324C000-memory.dmp

      Filesize

      2.4MB