Analysis

  • max time kernel
    145s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231127-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/12/2023, 12:03

General

  • Target

    755aab581f2ffb475f1fa582ad3f9c4361a03a44e9650c66264163ad5f59c7b2.exe

  • Size

    7.2MB

  • MD5

    6847a222d67b088a27eba1584078c192

  • SHA1

    f1011b71228a5d5f4434c0f0752923e4ab794e99

  • SHA256

    755aab581f2ffb475f1fa582ad3f9c4361a03a44e9650c66264163ad5f59c7b2

  • SHA512

    fe0c38479a0a16181baa125a3a974e5cdde0b5384b4b641e48eb3b5de7736ae1825cee4a2ed88697d863b54cf4df7a21ad781f5093008719b5b691747c00fff7

  • SSDEEP

    196608:/xm5vSfkhLnRaUXNvQKOmYuX5ORBs2J32NS8Pu2XYeWs8hckg7inWzj:6Sfs8WIKOluX+stSCvR9L9GnWzj

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\755aab581f2ffb475f1fa582ad3f9c4361a03a44e9650c66264163ad5f59c7b2.exe
    "C:\Users\Admin\AppData\Local\Temp\755aab581f2ffb475f1fa582ad3f9c4361a03a44e9650c66264163ad5f59c7b2.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4968
    • C:\Users\Admin\AppData\Local\Temp\is-9DQ8Q.tmp\755aab581f2ffb475f1fa582ad3f9c4361a03a44e9650c66264163ad5f59c7b2.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-9DQ8Q.tmp\755aab581f2ffb475f1fa582ad3f9c4361a03a44e9650c66264163ad5f59c7b2.tmp" /SL5="$90062,7264750,121856,C:\Users\Admin\AppData\Local\Temp\755aab581f2ffb475f1fa582ad3f9c4361a03a44e9650c66264163ad5f59c7b2.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:2548
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:1796
        • C:\Program Files (x86)\numGIF\numgif.exe
          "C:\Program Files (x86)\numGIF\numgif.exe" -i
          3⤵
          • Executes dropped EXE
          PID:2396
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 12
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:880
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 12
            4⤵
              PID:4644
          • C:\Program Files (x86)\numGIF\numgif.exe
            "C:\Program Files (x86)\numGIF\numgif.exe" -s
            3⤵
            • Executes dropped EXE
            PID:4136

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        2.1MB

        MD5

        aab955261cc696267ab7c34d093f9471

        SHA1

        8e393fa53d5ca9799813e76cc3beb538a2b43a9a

        SHA256

        0a46428420254eeae5101f2e3778b3a111b8b368af9c7c397d564698d6047e59

        SHA512

        830152e5f1ada7ec73e80302c78a0f903f0145200cb17ae6dca8c0afdeefd931bc7bef8e741b63034a1db85e88cefcdef4eb9b4f2dfdda55126bbcacab259868

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

        Filesize

        2.0MB

        MD5

        2a241b0dd37d61c5d229b397e806e421

        SHA1

        dac6399f4c2ef80a57141b41a107f4ed7df2aef9

        SHA256

        7fa9cccecbf6b8d4d628a7a6f028dd972c512dad5c4e2e8a33b0100576b31e9c

        SHA512

        27a5aafab18d0e56f8fd470263f0814258d22c295ea7a705ff08af87fb8e474ecb8071c465c7825ed4d5fe82c7a634709ea2dd7f0e1d64903844c2c3c3dbc1be

      • C:\Users\Admin\AppData\Local\Temp\is-9DQ8Q.tmp\755aab581f2ffb475f1fa582ad3f9c4361a03a44e9650c66264163ad5f59c7b2.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • C:\Users\Admin\AppData\Local\Temp\is-ITN38.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • C:\Users\Admin\AppData\Local\Temp\is-ITN38.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • memory/2396-151-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/2396-152-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/2396-154-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/2396-155-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/2548-161-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/2548-163-0x00000000006A0000-0x00000000006A1000-memory.dmp

        Filesize

        4KB

      • memory/2548-7-0x00000000006A0000-0x00000000006A1000-memory.dmp

        Filesize

        4KB

      • memory/4136-162-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/4136-179-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/4136-208-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/4136-158-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/4136-205-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/4136-202-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/4136-166-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/4136-167-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/4136-170-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/4136-173-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/4136-176-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/4136-159-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/4136-180-0x0000000000800000-0x000000000089E000-memory.dmp

        Filesize

        632KB

      • memory/4136-185-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/4136-188-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/4136-189-0x0000000000800000-0x000000000089E000-memory.dmp

        Filesize

        632KB

      • memory/4136-192-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/4136-195-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/4136-198-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/4968-2-0x0000000000400000-0x0000000000425000-memory.dmp

        Filesize

        148KB

      • memory/4968-0-0x0000000000400000-0x0000000000425000-memory.dmp

        Filesize

        148KB

      • memory/4968-160-0x0000000000400000-0x0000000000425000-memory.dmp

        Filesize

        148KB