Analysis

  • max time kernel
    145s
  • max time network
    133s
  • platform
    windows10-1703_x64
  • resource
    win10-20231023-en
  • resource tags

    arch:x64arch:x86image:win10-20231023-enlocale:en-usos:windows10-1703-x64system
  • submitted
    12-12-2023 15:23

General

  • Target

    d57bedd767f3d2fe051dd150da08fed4ca3a4039e0c27b952e69bce15dc43c4e.exe

  • Size

    7.2MB

  • MD5

    1684c557d39a67317cc9dd0059446912

  • SHA1

    5e7ee3926af9e4d56b6d6397e70ab49a9912f628

  • SHA256

    d57bedd767f3d2fe051dd150da08fed4ca3a4039e0c27b952e69bce15dc43c4e

  • SHA512

    ef2303d7ba9b6b60a02ab23bc0cebf271b06a0be2194210f0cee4e0e380ecede8233989d9f46105ab5d25d670317d0b7cb4e71d86bf27a0ab92621d038a8a3ce

  • SSDEEP

    196608:Nxm50EF70ZaWLZ97vnC8LpS7+bI9cpSzj:rEt0Zak7aIA7kSzj

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 3 IoCs
  • Unexpected DNS network traffic destination 1 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\d57bedd767f3d2fe051dd150da08fed4ca3a4039e0c27b952e69bce15dc43c4e.exe
    "C:\Users\Admin\AppData\Local\Temp\d57bedd767f3d2fe051dd150da08fed4ca3a4039e0c27b952e69bce15dc43c4e.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4468
    • C:\Users\Admin\AppData\Local\Temp\is-82HO6.tmp\d57bedd767f3d2fe051dd150da08fed4ca3a4039e0c27b952e69bce15dc43c4e.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-82HO6.tmp\d57bedd767f3d2fe051dd150da08fed4ca3a4039e0c27b952e69bce15dc43c4e.tmp" /SL5="$600DC,7257737,121856,C:\Users\Admin\AppData\Local\Temp\d57bedd767f3d2fe051dd150da08fed4ca3a4039e0c27b952e69bce15dc43c4e.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4204
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:3940
        • C:\Program Files (x86)\numGIF\numgif.exe
          "C:\Program Files (x86)\numGIF\numgif.exe" -i
          3⤵
          • Executes dropped EXE
          PID:2368
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 12
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:3084
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 12
            4⤵
              PID:1780
          • C:\Program Files (x86)\numGIF\numgif.exe
            "C:\Program Files (x86)\numGIF\numgif.exe" -s
            3⤵
            • Executes dropped EXE
            PID:3312

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Program Files (x86)\numGIF\numgif.exe

        Filesize

        2.1MB

        MD5

        57ced71d2e317eabb615aa41744d1b1f

        SHA1

        6cc65d30c5fd466c87947a037b4b334150cd07c6

        SHA256

        063e3ba1e7b81c595bcda4226b7258730c769626de660452e5aefc7f0ad45737

        SHA512

        2c76683fcacdbe5497fd042424f1ac4da0cd74f62f0516e1bc77487bce7fed98b21836582e6ed8eee157bf854bc550dec6e4697919cd21adf76ae400fcb98662

      • C:\Program Files (x86)\numGIF\numgif.exe

        Filesize

        1.9MB

        MD5

        b2c9377ec13f6705de633b823b957a5e

        SHA1

        c8a9847dcd523cdfdac61db0529649897dcc92c2

        SHA256

        29af2428e5820e18b590c658e3eb1c1a42ce923dd302193bb93eb1edc8d9752c

        SHA512

        3b9d6a51faa70f4495a61079aa69c0b1283e5c102fa28e71af8368c1dea89bddf0e74c9804f8ae4f75256c4fdd6d464b936b642bdfeb94878d4a9f3e77d6002d

      • C:\Users\Admin\AppData\Local\Temp\is-82HO6.tmp\d57bedd767f3d2fe051dd150da08fed4ca3a4039e0c27b952e69bce15dc43c4e.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • \Users\Admin\AppData\Local\Temp\is-1GAEJ.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • \Users\Admin\AppData\Local\Temp\is-1GAEJ.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • memory/2368-154-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/2368-153-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/2368-150-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/2368-151-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/3312-184-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/3312-172-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/3312-156-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/3312-158-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/3312-207-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/3312-204-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/3312-161-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/3312-200-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/3312-165-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/3312-166-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/3312-169-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/3312-197-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/3312-175-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/3312-178-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/3312-179-0x0000000000930000-0x00000000009CE000-memory.dmp

        Filesize

        632KB

      • memory/3312-194-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/3312-187-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/3312-188-0x0000000000930000-0x00000000009CE000-memory.dmp

        Filesize

        632KB

      • memory/3312-191-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/4204-9-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/4204-162-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/4204-160-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/4468-0-0x0000000000400000-0x0000000000425000-memory.dmp

        Filesize

        148KB

      • memory/4468-159-0x0000000000400000-0x0000000000425000-memory.dmp

        Filesize

        148KB