Analysis

  • max time kernel
    151s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/02/2024, 13:36

General

  • Target

    8c74c5f053b92bc70f3da000f5e6ba95.exe

  • Size

    4.5MB

  • MD5

    8c74c5f053b92bc70f3da000f5e6ba95

  • SHA1

    a49bc079df1594248da21b30d0a7e5a5f2700601

  • SHA256

    ab18797d77f02f87e7017796af32cd2c832cd1db27da5896b06de18126119bf8

  • SHA512

    e0a55d3a30af24acf17a4c5fc04ec5c1c0e1f04e39ca53310209a1cca9c1dfdd12ec79d53a3d306b2732f69d711f00c05a7ef05bd2418e99cafc3598eb62c0c2

  • SSDEEP

    98304:PX4E93HiQ9DMhaTs2bQBhB1ES2NJwb7aIkfRT81Qbcyazx14:vn3HH9D42wB+zIk58ibcya0

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops file in Program Files directory 26 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8c74c5f053b92bc70f3da000f5e6ba95.exe
    "C:\Users\Admin\AppData\Local\Temp\8c74c5f053b92bc70f3da000f5e6ba95.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2632
    • C:\Users\Admin\AppData\Local\Temp\is-NPKSI.tmp\8c74c5f053b92bc70f3da000f5e6ba95.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-NPKSI.tmp\8c74c5f053b92bc70f3da000f5e6ba95.tmp" /SL5="$A01FC,4027613,721408,C:\Users\Admin\AppData\Local\Temp\8c74c5f053b92bc70f3da000f5e6ba95.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4252
      • C:\Program Files (x86)\Expedita\Eum.exe
        "C:\Program Files (x86)\Expedita/\Eum.exe" 796ca44b01b45c63c645b99bb2237d4d
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:632

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Program Files (x86)\Expedita\Eum.exe

          Filesize

          4.4MB

          MD5

          a8fabf6941ba9ceeb23729b44a274a7b

          SHA1

          19d2a3df32070da69e41f6b6361701d6b82d31b3

          SHA256

          9f4c618a00ea85c4e8c71454dcff69702129b496ad7ad28c0ce8deb8da1c1457

          SHA512

          92826473bfc3fe83daf72657f21874d9f5828c1f65b0a28d32d339fa2f0d0d0306a2fd58787cc0c086b032022e11d3eb6918bfc9679ad0b4bea39ca46445557a

        • C:\Users\Admin\AppData\Local\Temp\is-85JS3.tmp\_isetup\_iscrypt.dll

          Filesize

          2KB

          MD5

          a69559718ab506675e907fe49deb71e9

          SHA1

          bc8f404ffdb1960b50c12ff9413c893b56f2e36f

          SHA256

          2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

          SHA512

          e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

        • C:\Users\Admin\AppData\Local\Temp\is-NPKSI.tmp\8c74c5f053b92bc70f3da000f5e6ba95.tmp

          Filesize

          2.4MB

          MD5

          3fddfbaa9d029821152e746edbabf7ce

          SHA1

          703690b3a2377047f6755e9b5274d608791b8062

          SHA256

          787cef456bd60075199c04ac38dd5e65291bd3a930b132538889e4dafb76fa1a

          SHA512

          fd50e763c6523022f1be02a6a690d2a2dec4e9a73c941314b4a810bbd7605d4058c5c49c53dcbdd8fde5e6c4d2c78fcec52b5bca087cbf552bc1ce90819c4903

        • memory/632-59-0x0000000000400000-0x0000000001672000-memory.dmp

          Filesize

          18.4MB

        • memory/632-58-0x0000000000400000-0x0000000001672000-memory.dmp

          Filesize

          18.4MB

        • memory/632-60-0x0000000004240000-0x0000000004241000-memory.dmp

          Filesize

          4KB

        • memory/632-63-0x0000000000400000-0x0000000001672000-memory.dmp

          Filesize

          18.4MB

        • memory/632-68-0x0000000000400000-0x0000000001672000-memory.dmp

          Filesize

          18.4MB

        • memory/2632-0-0x0000000000400000-0x00000000004BE000-memory.dmp

          Filesize

          760KB

        • memory/2632-61-0x0000000000400000-0x00000000004BE000-memory.dmp

          Filesize

          760KB

        • memory/4252-5-0x0000000000CE0000-0x0000000000CE1000-memory.dmp

          Filesize

          4KB

        • memory/4252-62-0x0000000000400000-0x0000000000679000-memory.dmp

          Filesize

          2.5MB

        • memory/4252-66-0x0000000000CE0000-0x0000000000CE1000-memory.dmp

          Filesize

          4KB