Analysis

  • max time kernel
    144s
  • max time network
    139s
  • platform
    windows10-1703_x64
  • resource
    win10-20231020-en
  • resource tags

    arch:x64arch:x86image:win10-20231020-enlocale:en-usos:windows10-1703-x64system
  • submitted
    11/12/2023, 16:16

General

  • Target

    8cd44a9361a1ef6baea04023a63598d953eec4936d72feb1e690f2090fa91af1.exe

  • Size

    7.5MB

  • MD5

    dc318ada60bd1f503d4fbf4e1096d1e8

  • SHA1

    2b44f0a2176cc1475282606375c4c01f50505d9e

  • SHA256

    8cd44a9361a1ef6baea04023a63598d953eec4936d72feb1e690f2090fa91af1

  • SHA512

    a5d810bf3763cb6134e9a1a0bfc476f954add832a93a1177222b87078cc6785481c65313b0861e950244c12df59b48e8398189d2824347cda4b0d2258fc4d095

  • SSDEEP

    196608:/q/iLRC0OLkYNew6tjCtD2RQVsBp4UAzj:/HC9Lkuew6t2oCO9Azj

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\8cd44a9361a1ef6baea04023a63598d953eec4936d72feb1e690f2090fa91af1.exe
    "C:\Users\Admin\AppData\Local\Temp\8cd44a9361a1ef6baea04023a63598d953eec4936d72feb1e690f2090fa91af1.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1332
    • C:\Users\Admin\AppData\Local\Temp\is-6VP0K.tmp\8cd44a9361a1ef6baea04023a63598d953eec4936d72feb1e690f2090fa91af1.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-6VP0K.tmp\8cd44a9361a1ef6baea04023a63598d953eec4936d72feb1e690f2090fa91af1.tmp" /SL5="$601FC,7577497,68096,C:\Users\Admin\AppData\Local\Temp\8cd44a9361a1ef6baea04023a63598d953eec4936d72feb1e690f2090fa91af1.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4548
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:2044
        • C:\Program Files (x86)\PlayGIF\gifplayer.exe
          "C:\Program Files (x86)\PlayGIF\gifplayer.exe" -i
          3⤵
          • Executes dropped EXE
          PID:3764
        • C:\Program Files (x86)\PlayGIF\gifplayer.exe
          "C:\Program Files (x86)\PlayGIF\gifplayer.exe" -s
          3⤵
          • Executes dropped EXE
          PID:3404
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 11
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:396
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 11
            4⤵
              PID:1844

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

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

              Filesize

              2.1MB

              MD5

              7c1bbd7f9632336ea77ef85e30bed232

              SHA1

              1b0b71c6fd6e37522827b55d68af6b42151e83a5

              SHA256

              474b4b5f25647ab859214aa2776946d9255d3d2c3b703ded03ec71fae64459cd

              SHA512

              0aa3f85ca47d53fb4b81702672f692b249a206672fbb38bcd20f406172bc03e8bf1276b655cbce7281c09f8533d2ea955d7b4b23fb17116abe883159ef92bd1f

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

              Filesize

              1.7MB

              MD5

              2aa6a6e519348501535be54d26f04023

              SHA1

              ebde3e67888ac71b32f4b47623e376873580d3ec

              SHA256

              83805470c072ad692633300164e963d43d0411c56ce4b6aff35025a2ef685270

              SHA512

              f3618fbe5e62cf530c5a7ad65bf16d76bb34fea554b4875fa83c80e6002095d6fff0f4d29772a13f89c766eb55edeb32d6ddf7a8e6b7076562dcf1d8e183a5e9

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

              Filesize

              761KB

              MD5

              b4720480ab4ccddca8fb51e92ab37b4d

              SHA1

              123ef77f9ac54ebf86254002f7d8d94d770fc900

              SHA256

              34316537b33cdeae1072fb2b584204f49df3a13892cbff722ee296d955f3eca1

              SHA512

              f998f4048ffd426fe0274c39097c135d083f3c48856009352d743c3e016390ef2312cab753cb22d453be4e689796c488a118e5ebe5de84329a6028b24720bc79

            • C:\Users\Admin\AppData\Local\Temp\is-6VP0K.tmp\8cd44a9361a1ef6baea04023a63598d953eec4936d72feb1e690f2090fa91af1.tmp

              Filesize

              687KB

              MD5

              f448d7f4b76e5c9c3a4eaff16a8b9b73

              SHA1

              31808f1ffa84c954376975b7cdb0007e6b762488

              SHA256

              7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

              SHA512

              f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

            • \Users\Admin\AppData\Local\Temp\is-IV1JL.tmp\_isetup\_iscrypt.dll

              Filesize

              2KB

              MD5

              a69559718ab506675e907fe49deb71e9

              SHA1

              bc8f404ffdb1960b50c12ff9413c893b56f2e36f

              SHA256

              2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

              SHA512

              e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

            • \Users\Admin\AppData\Local\Temp\is-IV1JL.tmp\_isetup\_isdecmp.dll

              Filesize

              19KB

              MD5

              3adaa386b671c2df3bae5b39dc093008

              SHA1

              067cf95fbdb922d81db58432c46930f86d23dded

              SHA256

              71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

              SHA512

              bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

            • memory/1332-2-0x0000000000400000-0x0000000000418000-memory.dmp

              Filesize

              96KB

            • memory/1332-0-0x0000000000400000-0x0000000000418000-memory.dmp

              Filesize

              96KB

            • memory/1332-159-0x0000000000400000-0x0000000000418000-memory.dmp

              Filesize

              96KB

            • memory/3404-179-0x00000000007F0000-0x000000000088E000-memory.dmp

              Filesize

              632KB

            • memory/3404-175-0x0000000000400000-0x0000000000666000-memory.dmp

              Filesize

              2.4MB

            • memory/3404-208-0x0000000000400000-0x0000000000666000-memory.dmp

              Filesize

              2.4MB

            • memory/3404-205-0x0000000000400000-0x0000000000666000-memory.dmp

              Filesize

              2.4MB

            • memory/3404-158-0x0000000000400000-0x0000000000666000-memory.dmp

              Filesize

              2.4MB

            • memory/3404-201-0x0000000000400000-0x0000000000666000-memory.dmp

              Filesize

              2.4MB

            • memory/3404-198-0x0000000000400000-0x0000000000666000-memory.dmp

              Filesize

              2.4MB

            • memory/3404-161-0x0000000000400000-0x0000000000666000-memory.dmp

              Filesize

              2.4MB

            • memory/3404-195-0x0000000000400000-0x0000000000666000-memory.dmp

              Filesize

              2.4MB

            • memory/3404-165-0x0000000000400000-0x0000000000666000-memory.dmp

              Filesize

              2.4MB

            • memory/3404-166-0x0000000000400000-0x0000000000666000-memory.dmp

              Filesize

              2.4MB

            • memory/3404-169-0x0000000000400000-0x0000000000666000-memory.dmp

              Filesize

              2.4MB

            • memory/3404-172-0x0000000000400000-0x0000000000666000-memory.dmp

              Filesize

              2.4MB

            • memory/3404-192-0x0000000000400000-0x0000000000666000-memory.dmp

              Filesize

              2.4MB

            • memory/3404-178-0x0000000000400000-0x0000000000666000-memory.dmp

              Filesize

              2.4MB

            • memory/3404-191-0x00000000007F0000-0x000000000088E000-memory.dmp

              Filesize

              632KB

            • memory/3404-182-0x00000000007F0000-0x000000000088E000-memory.dmp

              Filesize

              632KB

            • memory/3404-185-0x0000000000400000-0x0000000000666000-memory.dmp

              Filesize

              2.4MB

            • memory/3404-188-0x0000000000400000-0x0000000000666000-memory.dmp

              Filesize

              2.4MB

            • memory/3764-154-0x0000000000400000-0x0000000000666000-memory.dmp

              Filesize

              2.4MB

            • memory/3764-151-0x0000000000400000-0x0000000000666000-memory.dmp

              Filesize

              2.4MB

            • memory/3764-152-0x0000000000400000-0x0000000000666000-memory.dmp

              Filesize

              2.4MB

            • memory/3764-155-0x0000000000400000-0x0000000000666000-memory.dmp

              Filesize

              2.4MB

            • memory/4548-7-0x00000000001F0000-0x00000000001F1000-memory.dmp

              Filesize

              4KB

            • memory/4548-162-0x00000000001F0000-0x00000000001F1000-memory.dmp

              Filesize

              4KB

            • memory/4548-160-0x0000000000400000-0x00000000004BC000-memory.dmp

              Filesize

              752KB