Analysis

  • max time kernel
    146s
  • max time network
    150s
  • 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, 12:11

General

  • Target

    3e5180fc9d6bdf60d9a02833702e4a097cbec9c3d3ec6a7d26c1ce47444d63d7.exe

  • Size

    7.2MB

  • MD5

    f8b9bad518e3350249fbae6aa4d20b7c

  • SHA1

    c38f19e261ae7a35af80d3a03101e56015a18364

  • SHA256

    3e5180fc9d6bdf60d9a02833702e4a097cbec9c3d3ec6a7d26c1ce47444d63d7

  • SHA512

    3885d36304e4707a02db451bd8152066d735607b08e90251e7c4a9555271f7561e8f7fe2c0c4a84079307c15fa2bb30b7c6995eec346edfdade7470c7d1dfbe5

  • SSDEEP

    196608:Mxm5xCJOyhaLRyatbRgZIWFhoPd9qRvnTyGofmyq1zj:rcOycyKbf6i+E+P1zj

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\3e5180fc9d6bdf60d9a02833702e4a097cbec9c3d3ec6a7d26c1ce47444d63d7.exe
    "C:\Users\Admin\AppData\Local\Temp\3e5180fc9d6bdf60d9a02833702e4a097cbec9c3d3ec6a7d26c1ce47444d63d7.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4900
    • C:\Users\Admin\AppData\Local\Temp\is-4QJ67.tmp\3e5180fc9d6bdf60d9a02833702e4a097cbec9c3d3ec6a7d26c1ce47444d63d7.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-4QJ67.tmp\3e5180fc9d6bdf60d9a02833702e4a097cbec9c3d3ec6a7d26c1ce47444d63d7.tmp" /SL5="$100042,7250749,121856,C:\Users\Admin\AppData\Local\Temp\3e5180fc9d6bdf60d9a02833702e4a097cbec9c3d3ec6a7d26c1ce47444d63d7.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:1616
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:2808
        • C:\Program Files (x86)\numGIF\numgif.exe
          "C:\Program Files (x86)\numGIF\numgif.exe" -i
          3⤵
          • Executes dropped EXE
          PID:2624
        • C:\Program Files (x86)\numGIF\numgif.exe
          "C:\Program Files (x86)\numGIF\numgif.exe" -s
          3⤵
          • Executes dropped EXE
          PID:4968
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 12
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:808
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 12
            4⤵
              PID:4576

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

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

              Filesize

              1.7MB

              MD5

              7115631c7fe527a5ecf498fc9fa62d47

              SHA1

              803081d1d19eacae79b6e7b1b681ff3b6522fd22

              SHA256

              b18018caa6d651fb91de580d451b8b785f5aac8e1199a869b3ac413c7070ac8e

              SHA512

              bf654b928b2d1de5f074668cdd357002e2b91b0705de8c919795541f2dba5614ccb962eca4e0c2deca3a80bf0b4e56567dd0c62b45efd8f5c169b546808d395e

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

              Filesize

              1.8MB

              MD5

              ecd42a77cb0531562918684608e7410d

              SHA1

              faf0a4164938720a20e6a478d471cbe0ad3e39b1

              SHA256

              9d37b5e8f16b10edc980c1ee6336044e8a3769cfd548be11554deea329e3576f

              SHA512

              a111eb0a96e1cbe4e888a94137016f8057b9527de50a72d8b54350855c9d6fa24628ebef5515a61cdad5decc57578eee95de7909cf9c81d61ea80d5f627cfcca

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

              Filesize

              856KB

              MD5

              8e5ce9e57d2f985a706a3b665ea4b1dc

              SHA1

              4a8f17a4ab4d81329811292e72cc792f9ed41608

              SHA256

              d983d4568c8f8eb40c1a077f69adf9b34ad2dcb73354186aee552189250a14d6

              SHA512

              d3443a358158e1dd654d741f67b01c16ddd9e83ac9d1aab89dd1d713db71b0a2469bc7260cabc3bdbe5f7a29575b449c6a79744557dffc7e9324f34533b13376

            • C:\Users\Admin\AppData\Local\Temp\is-4QJ67.tmp\3e5180fc9d6bdf60d9a02833702e4a097cbec9c3d3ec6a7d26c1ce47444d63d7.tmp

              Filesize

              687KB

              MD5

              f448d7f4b76e5c9c3a4eaff16a8b9b73

              SHA1

              31808f1ffa84c954376975b7cdb0007e6b762488

              SHA256

              7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

              SHA512

              f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

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

              Filesize

              2KB

              MD5

              a69559718ab506675e907fe49deb71e9

              SHA1

              bc8f404ffdb1960b50c12ff9413c893b56f2e36f

              SHA256

              2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

              SHA512

              e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

              Filesize

              19KB

              MD5

              3adaa386b671c2df3bae5b39dc093008

              SHA1

              067cf95fbdb922d81db58432c46930f86d23dded

              SHA256

              71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

              SHA512

              bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

            • memory/1616-163-0x0000000000750000-0x0000000000751000-memory.dmp

              Filesize

              4KB

            • memory/1616-10-0x0000000000750000-0x0000000000751000-memory.dmp

              Filesize

              4KB

            • memory/1616-161-0x0000000000400000-0x00000000004BC000-memory.dmp

              Filesize

              752KB

            • memory/2624-152-0x0000000000400000-0x0000000000628000-memory.dmp

              Filesize

              2.2MB

            • memory/2624-151-0x0000000000400000-0x0000000000628000-memory.dmp

              Filesize

              2.2MB

            • memory/2624-155-0x0000000000400000-0x0000000000628000-memory.dmp

              Filesize

              2.2MB

            • memory/2624-154-0x0000000000400000-0x0000000000628000-memory.dmp

              Filesize

              2.2MB

            • memory/4900-0-0x0000000000400000-0x0000000000425000-memory.dmp

              Filesize

              148KB

            • memory/4900-2-0x0000000000400000-0x0000000000425000-memory.dmp

              Filesize

              148KB

            • memory/4900-160-0x0000000000400000-0x0000000000425000-memory.dmp

              Filesize

              148KB

            • memory/4968-173-0x0000000000400000-0x0000000000628000-memory.dmp

              Filesize

              2.2MB

            • memory/4968-180-0x0000000000400000-0x0000000000628000-memory.dmp

              Filesize

              2.2MB

            • memory/4968-158-0x0000000000400000-0x0000000000628000-memory.dmp

              Filesize

              2.2MB

            • memory/4968-166-0x0000000000400000-0x0000000000628000-memory.dmp

              Filesize

              2.2MB

            • memory/4968-167-0x0000000000400000-0x0000000000628000-memory.dmp

              Filesize

              2.2MB

            • memory/4968-170-0x0000000000400000-0x0000000000628000-memory.dmp

              Filesize

              2.2MB

            • memory/4968-159-0x0000000000400000-0x0000000000628000-memory.dmp

              Filesize

              2.2MB

            • memory/4968-176-0x0000000000400000-0x0000000000628000-memory.dmp

              Filesize

              2.2MB

            • memory/4968-179-0x0000000000920000-0x00000000009BE000-memory.dmp

              Filesize

              632KB

            • memory/4968-162-0x0000000000400000-0x0000000000628000-memory.dmp

              Filesize

              2.2MB

            • memory/4968-183-0x0000000000920000-0x00000000009BE000-memory.dmp

              Filesize

              632KB

            • memory/4968-186-0x0000000000400000-0x0000000000628000-memory.dmp

              Filesize

              2.2MB

            • memory/4968-189-0x0000000000400000-0x0000000000628000-memory.dmp

              Filesize

              2.2MB

            • memory/4968-190-0x0000000000920000-0x00000000009BE000-memory.dmp

              Filesize

              632KB

            • memory/4968-193-0x0000000000400000-0x0000000000628000-memory.dmp

              Filesize

              2.2MB

            • memory/4968-196-0x0000000000400000-0x0000000000628000-memory.dmp

              Filesize

              2.2MB

            • memory/4968-199-0x0000000000400000-0x0000000000628000-memory.dmp

              Filesize

              2.2MB

            • memory/4968-202-0x0000000000400000-0x0000000000628000-memory.dmp

              Filesize

              2.2MB

            • memory/4968-205-0x0000000000400000-0x0000000000628000-memory.dmp

              Filesize

              2.2MB

            • memory/4968-208-0x0000000000400000-0x0000000000628000-memory.dmp

              Filesize

              2.2MB