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Analysis

  • max time kernel
    103s
  • max time network
    129s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    30/12/2023, 20:25

General

  • Target

    faf8f8e4605f4797fa4c221ca1b3337d2dba13a38368779eb29b79c524639547.exe

  • Size

    26KB

  • MD5

    bcdca6d2167972b1a840681e443e5e6c

  • SHA1

    9c562b56d28373b0a562782e82b676ef00043db1

  • SHA256

    faf8f8e4605f4797fa4c221ca1b3337d2dba13a38368779eb29b79c524639547

  • SHA512

    6adbd5608ced2543382e2823b475471ad4d666626839615569b2b12a3a2d3d38389a427235916e502aaf981681b31abf013d6390c6a43f501df7e9d7eca7e853

  • SSDEEP

    768:gF1ODKAaDMG8H92RwZNQSwcfymNBg+g61GoL:gjfgLdQAQfcfymN

Score
6/10

Malware Config

Signatures

  • Enumerates connected drives 3 TTPs 21 IoCs

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

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 1 IoCs
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\faf8f8e4605f4797fa4c221ca1b3337d2dba13a38368779eb29b79c524639547.exe
    "C:\Users\Admin\AppData\Local\Temp\faf8f8e4605f4797fa4c221ca1b3337d2dba13a38368779eb29b79c524639547.exe"
    1⤵
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2080
    • C:\Windows\SysWOW64\net.exe
      net stop "Kingsoft AntiVirus Service"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2392
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
        3⤵
          PID:2840
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
        PID:1320

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateCore.exe

        Filesize

        12KB

        MD5

        c666a9acefe7859b0c35f95acfbea092

        SHA1

        ed6c717d875125629e726bb0e474ebc24c6f278f

        SHA256

        bffd84d7134037b4f4f23ad97d14734d89027f8a46f67e35a259a4f66480229b

        SHA512

        b32d7e2f8f1f3da2fd144c47b82c33b2bf2e6f101414fcd4be72432c8f586fa7ca2897563e21620990e3090ac2305a0c3a06f039576d9871c822858a648bb535

      • C:\Program Files\7-Zip\7z.exe

        Filesize

        32KB

        MD5

        0ec1ff86b8ace6c685576de4334533f1

        SHA1

        29d72a0240f48ffb268d1f432d49c77419404603

        SHA256

        ba2508f1643e5f096b15cce855570c19ff80a149b4c1cc0daddcfe49fd172da4

        SHA512

        9322b4ebaf4e9d2a1355de79cfbd5ab0ce3f7c205914439badfec90fae93d6e3c9c9412ad8c6110c295044e014c196656c99a6c18f41211ad4392740f4f74fe6

      • F:\$RECYCLE.BIN\S-1-5-21-928733405-3780110381-2966456290-1000\_desktop.ini

        Filesize

        10B

        MD5

        fae432e16d94d42a8d76fc8e8371df2f

        SHA1

        6dac778159c5e1e1e74e34c671f0ea17a2ce02e6

        SHA256

        58029e3ed60f40e0999a6865c646900fd31a7aad8f7b6724a5f144b3e26aa977

        SHA512

        bce2a1ee89e19165244986dc8ea4d77ecc9081ae64979f91a3c2d57a54261022ed2aca1e806900f6e71ddcd3a8cf1cd8c73935e1bf3d353baabcc86147af1ef5

      • memory/1320-5-0x0000000002730000-0x0000000002731000-memory.dmp

        Filesize

        4KB

      • memory/2080-0-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2080-7-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2080-14-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2080-20-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2080-67-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2080-72-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2080-1825-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2080-3285-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB