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Resubmissions

23/02/2024, 15:14

240223-smc6tabh28 7

23/02/2024, 15:12

240223-slfkjscg6w 7

23/02/2024, 15:03

240223-sfh4gsbf66 7

Analysis

  • max time kernel
    207s
  • max time network
    246s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    23/02/2024, 15:12

General

  • Target

    New Client.exe

  • Size

    396KB

  • MD5

    9b5f12b10b471e0a359bc11e50af28db

  • SHA1

    5e42890b6b4a299cd954bf8dabaf75b38522c0b0

  • SHA256

    af34b699b6aa750e58a68516b97b4f8c2f08bd03453a6059f6869847cc63a7bf

  • SHA512

    1fbf71b9121cb141a617a2e14e466fead22da7cc7c672a8e5f79cab929e10a4f578edba06e8340d40d23f51852b33816a67351b6cecf5a5f72410c1bc0d5b773

  • SSDEEP

    12288:+WSeotlIH682B+64kQHam2dNREz9FdOZMJwGuE4QyZom8exsrPR5TE7D0XuDTT:+WSmpL

Score
7/10

Malware Config

Signatures

  • Drops startup file 3 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Kills process with taskkill 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 57 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\New Client.exe
    "C:\Users\Admin\AppData\Local\Temp\New Client.exe"
    1⤵
    • Drops startup file
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1664
    • C:\Windows\SysWOW64\TASKKILL.exe
      TASKKILL /F /IM cmd.exe
      2⤵
      • Kills process with taskkill
      • Suspicious use of AdjustPrivilegeToken
      PID:2156
    • C:\Windows\SysWOW64\TASKKILL.exe
      TASKKILL /F /IM wscript.exe
      2⤵
      • Kills process with taskkill
      • Suspicious use of AdjustPrivilegeToken
      PID:2488
    • C:\Windows\SysWOW64\taskkill.exe
      taskkill /f im explorer.exe
      2⤵
      • Kills process with taskkill
      PID:2480
    • C:\Users\Admin\AppData\Local\Temp\c2b04139cc1a4bdc87c85aaf89d8cadd.exe
      "C:\Users\Admin\AppData\Local\Temp\c2b04139cc1a4bdc87c85aaf89d8cadd.exe"
      2⤵
      • Executes dropped EXE
      PID:1096
    • C:\Users\Admin\AppData\Local\Temp\3c4df0994170403b871797666f292621.exe
      "C:\Users\Admin\AppData\Local\Temp\3c4df0994170403b871797666f292621.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:1092
      • C:\Windows\SysWOW64\WScript.exe
        "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\RarSFX0\play.vbs"
        3⤵
        • Enumerates connected drives
        • Suspicious use of AdjustPrivilegeToken
        PID:284
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x584
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2376

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\RarSFX0\play.vbs

    Filesize

    234B

    MD5

    448d64b7e2c09496500e077a00882dc6

    SHA1

    4796fb338dc81d16606ed76f63075b4fef8e051d

    SHA256

    b894b20027e433c8abe00659b972519d2e4166206de2cbc74cf41567581a099d

    SHA512

    c2160b4317670acea1cc9b5ba4a447ca1f95370eb119aa2299e2d3dad13d0aee1fd55ee4695b2883f2ce00339db88ec80cb0f104fb9fda8811bb3bd29afc25f6

  • C:\Users\Admin\AppData\Local\Temp\RarSFX0\pod.mp3

    Filesize

    157KB

    MD5

    cd468389a4dccb0fc51963a16bfd67d5

    SHA1

    63b6bf1500124a5db96034e2990e2f44f6cb377c

    SHA256

    a37a8d1e296748c9e686ae39c14f9e7faf2d533d0a788cd442fe88c51e6b468b

    SHA512

    3011fe946f94f79e34ff71cebab78f794e8e67ba62de039bea7389a705cb8c9b30a86328991657e31e65a01d20fd93714d3ca1a214f7dcaa80543f0b02f20397

  • \Users\Admin\AppData\Local\Temp\3c4df0994170403b871797666f292621.exe

    Filesize

    473KB

    MD5

    19fb7300c67db070ff362fe0d32a1d16

    SHA1

    2f9af0ae3ef7f929ce8df8ffc9bdc5ddd25e0fe5

    SHA256

    cb51f103c7ce8b76f71ffc502049aaa9c7df1dbc74687165a4c09dfcdd08c45a

    SHA512

    fa4c4d6a6b20e2b6f945f05bc6619fa0886e724b5374833b246cfa6ad51db8cef332b9b4795519c5c6a050cf608d03f1c5a982d6f92775daebd569c39f996ba4

  • \Users\Admin\AppData\Local\Temp\c2b04139cc1a4bdc87c85aaf89d8cadd.exe

    Filesize

    3.8MB

    MD5

    137c1b0243beb35b6a0b6dbe632dc341

    SHA1

    b710da533d9a33f4d7fc78d317bbcee8dc95826d

    SHA256

    86cd8a8dc5228014e559788e7a0f5ed6fef637691bf53111e9eab4187a0652ab

    SHA512

    49ee75b71223ed47ae81a089247ff3002d50f70ede8e57af42f73745bbf7cb8ee7c71c1ab5da9d967fbe0b2f9de5dad70f4a7f4cfe44ba104d5a60be53eccabf

  • memory/284-48-0x0000000000530000-0x0000000000531000-memory.dmp

    Filesize

    4KB

  • memory/284-49-0x000000006F280000-0x000000006F592000-memory.dmp

    Filesize

    3.1MB

  • memory/284-46-0x000000006F280000-0x000000006F592000-memory.dmp

    Filesize

    3.1MB

  • memory/1096-26-0x000000013FDD0000-0x0000000140194000-memory.dmp

    Filesize

    3.8MB

  • memory/1096-27-0x000007FEF5A40000-0x000007FEF642C000-memory.dmp

    Filesize

    9.9MB

  • memory/1096-28-0x00000000020E0000-0x0000000002160000-memory.dmp

    Filesize

    512KB

  • memory/1096-29-0x000007FEF5A40000-0x000007FEF642C000-memory.dmp

    Filesize

    9.9MB

  • memory/1096-30-0x00000000020E0000-0x0000000002160000-memory.dmp

    Filesize

    512KB

  • memory/1664-19-0x0000000000590000-0x00000000005D0000-memory.dmp

    Filesize

    256KB

  • memory/1664-0-0x0000000074810000-0x0000000074DBB000-memory.dmp

    Filesize

    5.7MB

  • memory/1664-18-0x0000000000590000-0x00000000005D0000-memory.dmp

    Filesize

    256KB

  • memory/1664-17-0x0000000000590000-0x00000000005D0000-memory.dmp

    Filesize

    256KB

  • memory/1664-16-0x0000000074810000-0x0000000074DBB000-memory.dmp

    Filesize

    5.7MB

  • memory/1664-15-0x0000000074810000-0x0000000074DBB000-memory.dmp

    Filesize

    5.7MB

  • memory/1664-2-0x0000000000590000-0x00000000005D0000-memory.dmp

    Filesize

    256KB

  • memory/1664-1-0x0000000074810000-0x0000000074DBB000-memory.dmp

    Filesize

    5.7MB