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Analysis

  • max time kernel
    146s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/12/2023, 12:32

General

  • Target

    51f534bdd8acfba447c3039dce3e07ba81659089bdfd142cc73247f71d1152fc.exe

  • Size

    7.2MB

  • MD5

    f1e322afd884f91650fe513feab0ab12

  • SHA1

    b5013a56b340f7e3f4b8099b0b17c8578c56fb95

  • SHA256

    51f534bdd8acfba447c3039dce3e07ba81659089bdfd142cc73247f71d1152fc

  • SHA512

    cc55d8c835ab3b9932680ea30a20ec5b00a5c55527be93c5ab59a57233f2a75745d9de2902c0e4cb86aa67e7a05a7bf5b9f06c1520842f96f99c64b65efdcc38

  • SSDEEP

    196608:Txm5vSfkhLnRaUXNvQKOmYuX5ORBs2J32NS8Pu2XYeWs8hckg7inWzj:mSfs8WIKOluX+stSCvR9L9GnWzj

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\51f534bdd8acfba447c3039dce3e07ba81659089bdfd142cc73247f71d1152fc.exe
    "C:\Users\Admin\AppData\Local\Temp\51f534bdd8acfba447c3039dce3e07ba81659089bdfd142cc73247f71d1152fc.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3360
    • C:\Users\Admin\AppData\Local\Temp\is-7JIBO.tmp\51f534bdd8acfba447c3039dce3e07ba81659089bdfd142cc73247f71d1152fc.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-7JIBO.tmp\51f534bdd8acfba447c3039dce3e07ba81659089bdfd142cc73247f71d1152fc.tmp" /SL5="$A01DA,7264750,121856,C:\Users\Admin\AppData\Local\Temp\51f534bdd8acfba447c3039dce3e07ba81659089bdfd142cc73247f71d1152fc.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:2368
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:4220
        • C:\Program Files (x86)\numGIF\numgif.exe
          "C:\Program Files (x86)\numGIF\numgif.exe" -i
          3⤵
          • Executes dropped EXE
          PID:4844
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 12
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4328
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 12
            4⤵
              PID:4000
          • C:\Program Files (x86)\numGIF\numgif.exe
            "C:\Program Files (x86)\numGIF\numgif.exe" -s
            3⤵
            • Executes dropped EXE
            PID:2520

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        1.9MB

        MD5

        6f55d9492403208997ae171d47e1adbb

        SHA1

        efd26507cc1dfbfc0a089e624b26acdc76f409d9

        SHA256

        821af2889f77ca1edb934163e42fe58777e2452074c78cc9bd832d933a77bc5c

        SHA512

        9508894398547a67f9f79dbd21dce275e8c0ab1f47dcd28bc786a693e0a8fbe447e7ce51987ba9a90be964371a5f90d57f5992f7c883f2573f2492355f077ce4

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

        Filesize

        981KB

        MD5

        c7d680a6a2049f5b337ed853abcee89b

        SHA1

        40e00a5aa0366a068a7680da09faa17ca2caa53d

        SHA256

        4ebdc627d6a1353b24c22308113c40df8b0f4b51d356211cda44de69ac91ad12

        SHA512

        c32af1ab6d56075288186a8fc466ac8a44eb98dfbddd169c3b28be9a1db5c2b7fe7a93138145318a351bb40dbbd322e01e838484c6323152aca4dc5de3f1c2e4

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

        Filesize

        955KB

        MD5

        27c4b2315662604946728a9a8b123561

        SHA1

        2ee533d11ebd8ec06b97bcb3ea7209b261726aa0

        SHA256

        7c70250cc951b368449d5eb6afd1a038888a2c7752d733598ed20c9ca6368642

        SHA512

        952402b9dba8c3e593a29435174588e9b3949bd23bd453c46be17d1a47cac4aa49573f927dde57a3ee5807f4aa5a1b4657e5db002fb186069cd494cd00ba47ad

      • C:\Users\Admin\AppData\Local\Temp\is-58ER6.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • C:\Users\Admin\AppData\Local\Temp\is-58ER6.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • C:\Users\Admin\AppData\Local\Temp\is-7JIBO.tmp\51f534bdd8acfba447c3039dce3e07ba81659089bdfd142cc73247f71d1152fc.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • memory/2368-163-0x0000000000690000-0x0000000000691000-memory.dmp

        Filesize

        4KB

      • memory/2368-10-0x0000000000690000-0x0000000000691000-memory.dmp

        Filesize

        4KB

      • memory/2368-161-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/2520-186-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/2520-189-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/2520-208-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/2520-158-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/2520-205-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/2520-159-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/2520-202-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/2520-199-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/2520-162-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/2520-196-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/2520-166-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/2520-167-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/2520-170-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/2520-173-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/2520-176-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/2520-179-0x0000000000930000-0x00000000009CE000-memory.dmp

        Filesize

        632KB

      • memory/2520-182-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/2520-183-0x0000000000930000-0x00000000009CE000-memory.dmp

        Filesize

        632KB

      • memory/2520-193-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/2520-190-0x0000000000930000-0x00000000009CE000-memory.dmp

        Filesize

        632KB

      • memory/3360-0-0x0000000000400000-0x0000000000425000-memory.dmp

        Filesize

        148KB

      • memory/3360-2-0x0000000000400000-0x0000000000425000-memory.dmp

        Filesize

        148KB

      • memory/3360-160-0x0000000000400000-0x0000000000425000-memory.dmp

        Filesize

        148KB

      • memory/4844-154-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/4844-151-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/4844-152-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/4844-155-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB