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Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10-1703_x64
  • resource
    win10-20231129-en
  • resource tags

    arch:x64arch:x86image:win10-20231129-enlocale:en-usos:windows10-1703-x64system
  • submitted
    11/12/2023, 18:40

General

  • Target

    41b6e59e3bc2fb718292e9a68acc10697348242e8b7408f1af405b3e474691fa.exe

  • Size

    7.5MB

  • MD5

    6457f2b9bb8ae4dcb2ad691c082f5ad9

  • SHA1

    d6ea42e9bb28e921d10775909be015848ff4da84

  • SHA256

    41b6e59e3bc2fb718292e9a68acc10697348242e8b7408f1af405b3e474691fa

  • SHA512

    a7e79e886dd2b07d72950ba591a1248fca9945eaeaf871576afbd4b423f7e19ddd9c963246b8ca18fb388586e85d29317fafecc7eb9c70bb8a0b52f86c447145

  • SSDEEP

    196608:9Wc5A2XV/1qTZGgnkphp0rAwZYGespRHDfY5cdV4qCzj:xDFyOTpBsLp1c5SV4qCzj

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 3 IoCs
  • Unexpected DNS network traffic destination 3 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • 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 63 IoCs
  • Runs net.exe
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\41b6e59e3bc2fb718292e9a68acc10697348242e8b7408f1af405b3e474691fa.exe
    "C:\Users\Admin\AppData\Local\Temp\41b6e59e3bc2fb718292e9a68acc10697348242e8b7408f1af405b3e474691fa.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3804
    • C:\Users\Admin\AppData\Local\Temp\is-2N1CE.tmp\41b6e59e3bc2fb718292e9a68acc10697348242e8b7408f1af405b3e474691fa.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-2N1CE.tmp\41b6e59e3bc2fb718292e9a68acc10697348242e8b7408f1af405b3e474691fa.tmp" /SL5="$601B8,7612629,68096,C:\Users\Admin\AppData\Local\Temp\41b6e59e3bc2fb718292e9a68acc10697348242e8b7408f1af405b3e474691fa.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:3404
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:532
        • C:\Program Files (x86)\PlayGIF\gifplayer.exe
          "C:\Program Files (x86)\PlayGIF\gifplayer.exe" -i
          3⤵
          • Executes dropped EXE
          PID:508
        • C:\Program Files (x86)\PlayGIF\gifplayer.exe
          "C:\Program Files (x86)\PlayGIF\gifplayer.exe" -s
          3⤵
          • Executes dropped EXE
          PID:3212
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 11
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:3572
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 11
            4⤵
              PID:2540

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Program Files (x86)\PlayGIF\gifplayer.exe

        Filesize

        594KB

        MD5

        44621a44eb67f701eece5c56b6f2d6d7

        SHA1

        afa3e83e1038cce3eb9d8f2cb3e9550e65645858

        SHA256

        7656f92dd17237a713f8c0b299d18bc4b9a95ddb4c0c9c7646a75692b1bd6a01

        SHA512

        2d6629d3d18dbfce4258c0c1974c57a97bb755b83f52db3c7ab8dc7afa3aa5ed6127d9f9e417819ac9cee408c8e9e687a7049215b71813fef914979670c24fe7

      • C:\Program Files (x86)\PlayGIF\gifplayer.exe

        Filesize

        1.3MB

        MD5

        52e4e393d8d9c38a10ec63ba357a65f7

        SHA1

        3572ed19fd1eb186f230060237f3b97763a98a89

        SHA256

        35ec7d4f3100d00836d881fd45b98fbb6070c9261c0584d21802ca83954dd21a

        SHA512

        cc139c8a3750387b538dd6b36e1ad189bf582486b0e9f30fde42bc091b70a6f588ae4cb7bb5afc01d6e5a312d05b7d804f80691c587a0225795d4c3fb77f3de7

      • C:\Program Files (x86)\PlayGIF\gifplayer.exe

        Filesize

        170KB

        MD5

        6280d90f930fae00cc896f2056d6b731

        SHA1

        c93fc5244f0bbbb84d95c32931f738e7a2262c50

        SHA256

        2d5d99865b1f7a89a119558df4c2a92a9ae0d00ed21cc7deeb2437f58160010b

        SHA512

        5fc73cca66b075b2c93eb5adf224b5854085714727d4d5981959d7815c76ae20fe98891fe3a8021515a19031d2855bc8cda064aa8235fe3bc861fef666c0fd5b

      • C:\Users\Admin\AppData\Local\Temp\is-2N1CE.tmp\41b6e59e3bc2fb718292e9a68acc10697348242e8b7408f1af405b3e474691fa.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • \Users\Admin\AppData\Local\Temp\is-03DBP.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • \Users\Admin\AppData\Local\Temp\is-03DBP.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • memory/508-155-0x0000000000400000-0x0000000000666000-memory.dmp

        Filesize

        2.4MB

      • memory/508-166-0x0000000000400000-0x0000000000666000-memory.dmp

        Filesize

        2.4MB

      • memory/508-151-0x0000000000400000-0x0000000000666000-memory.dmp

        Filesize

        2.4MB

      • memory/508-152-0x0000000000400000-0x0000000000666000-memory.dmp

        Filesize

        2.4MB

      • memory/508-154-0x0000000000400000-0x0000000000666000-memory.dmp

        Filesize

        2.4MB

      • memory/3212-182-0x00000000009A0000-0x0000000000A3E000-memory.dmp

        Filesize

        632KB

      • memory/3212-191-0x00000000009A0000-0x0000000000A3E000-memory.dmp

        Filesize

        632KB

      • memory/3212-209-0x0000000000400000-0x0000000000666000-memory.dmp

        Filesize

        2.4MB

      • memory/3212-159-0x0000000000400000-0x0000000000666000-memory.dmp

        Filesize

        2.4MB

      • memory/3212-206-0x0000000000400000-0x0000000000666000-memory.dmp

        Filesize

        2.4MB

      • memory/3212-203-0x0000000000400000-0x0000000000666000-memory.dmp

        Filesize

        2.4MB

      • memory/3212-162-0x0000000000400000-0x0000000000666000-memory.dmp

        Filesize

        2.4MB

      • memory/3212-200-0x0000000000400000-0x0000000000666000-memory.dmp

        Filesize

        2.4MB

      • memory/3212-197-0x0000000000400000-0x0000000000666000-memory.dmp

        Filesize

        2.4MB

      • memory/3212-167-0x0000000000400000-0x0000000000666000-memory.dmp

        Filesize

        2.4MB

      • memory/3212-168-0x0000000000400000-0x0000000000666000-memory.dmp

        Filesize

        2.4MB

      • memory/3212-171-0x0000000000400000-0x0000000000666000-memory.dmp

        Filesize

        2.4MB

      • memory/3212-174-0x0000000000400000-0x0000000000666000-memory.dmp

        Filesize

        2.4MB

      • memory/3212-177-0x0000000000400000-0x0000000000666000-memory.dmp

        Filesize

        2.4MB

      • memory/3212-180-0x0000000000400000-0x0000000000666000-memory.dmp

        Filesize

        2.4MB

      • memory/3212-181-0x00000000009A0000-0x0000000000A3E000-memory.dmp

        Filesize

        632KB

      • memory/3212-194-0x0000000000400000-0x0000000000666000-memory.dmp

        Filesize

        2.4MB

      • memory/3212-187-0x0000000000400000-0x0000000000666000-memory.dmp

        Filesize

        2.4MB

      • memory/3212-190-0x0000000000400000-0x0000000000666000-memory.dmp

        Filesize

        2.4MB

      • memory/3212-157-0x0000000000400000-0x0000000000666000-memory.dmp

        Filesize

        2.4MB

      • memory/3404-163-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/3404-161-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/3404-19-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/3804-0-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/3804-2-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/3804-160-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB