Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-1703_x64
  • resource
    win10-20231129-en
  • resource tags

    arch:x64arch:x86image:win10-20231129-enlocale:en-usos:windows10-1703-x64system
  • submitted
    11-12-2023 22:37

General

  • Target

    3f7bf6a8888034b59aac584ce4d1c8c733721b3228e908e62b9104780b8696bf.exe

  • Size

    7.6MB

  • MD5

    f2c05c64d8f8eb2fa236b4279821aea2

  • SHA1

    7819167798139fd566d42d26526260ae8b53b498

  • SHA256

    3f7bf6a8888034b59aac584ce4d1c8c733721b3228e908e62b9104780b8696bf

  • SHA512

    10e99ca9a0ae02e1610344765567474787c8c6e780081dec8bb4b261fe24e19f8ad17459dd347f6a27874aded4d2af1ebdf503623812c330f1b7aa6c5a4440fe

  • SSDEEP

    196608:KnnY8NWvGpWTTlm0OxwW+nFnfZsMUdFt30Dzj:KnnY8NELTIrxwlxQWDzj

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\3f7bf6a8888034b59aac584ce4d1c8c733721b3228e908e62b9104780b8696bf.exe
    "C:\Users\Admin\AppData\Local\Temp\3f7bf6a8888034b59aac584ce4d1c8c733721b3228e908e62b9104780b8696bf.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1368
    • C:\Users\Admin\AppData\Local\Temp\is-R42GG.tmp\3f7bf6a8888034b59aac584ce4d1c8c733721b3228e908e62b9104780b8696bf.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-R42GG.tmp\3f7bf6a8888034b59aac584ce4d1c8c733721b3228e908e62b9104780b8696bf.tmp" /SL5="$901EE,7715663,68096,C:\Users\Admin\AppData\Local\Temp\3f7bf6a8888034b59aac584ce4d1c8c733721b3228e908e62b9104780b8696bf.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:1952
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:4248
        • C:\Program Files (x86)\PlayGIF\gifplayer.exe
          "C:\Program Files (x86)\PlayGIF\gifplayer.exe" -i
          3⤵
          • Executes dropped EXE
          PID:4136
        • C:\Program Files (x86)\PlayGIF\gifplayer.exe
          "C:\Program Files (x86)\PlayGIF\gifplayer.exe" -s
          3⤵
          • Executes dropped EXE
          PID:4168
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 11
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:3264
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 11
            4⤵
              PID:2764

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        1.4MB

        MD5

        25e68bfc2e2fdf52ffa61d5da5f1c3da

        SHA1

        25073f8dea5848719f703a77b542deeb70dcfa28

        SHA256

        4865d415c230ee4f2a71088b6f8ac95776092d6609179665950bf776fb6113e4

        SHA512

        04866efec5b3247e8528e8cf9edcf91c62c47b14e2cf69862d63d0564d0582b5914798cc6cdacad94b6c59bac06479ee15cb478c6764321118804b355f89a3a0

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

        Filesize

        287KB

        MD5

        b8fb1b60001c9e567bd9ed39e687d03c

        SHA1

        fec31b1aae5f4ee8ed03312ec91aa70809141fd5

        SHA256

        188cc8299dc6192be38315242dc3e3efc5327c962d90700fed0c88a885ad7c3a

        SHA512

        7832caa0cd5841bbd85dbd13d56e90b966293c3fa7b2aec331c387edc8d2b41a70622c9d80ed5689a6e9c01e840785038c50225d5322e50eb9b9e750d5a8ba34

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

        Filesize

        122KB

        MD5

        a7d9b775ba9c9bdb3c938c998b336241

        SHA1

        7c2df7f5cb3ea9f8cc6acf7fc3ddfaa542d703b2

        SHA256

        ba96c290d6f45c59c06f429a1c6f463de53775fad34f54551738087818ff649b

        SHA512

        2a6f4fe63623dac41f7d5dd1657468cc3b59f28228d18dd6f50ee381039486e85aae7be74d9c203a6f6b3c8766a848ad789d417546bf1601759b82c17e5fa9f7

      • C:\Users\Admin\AppData\Local\Temp\is-R42GG.tmp\3f7bf6a8888034b59aac584ce4d1c8c733721b3228e908e62b9104780b8696bf.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • \Users\Admin\AppData\Local\Temp\is-PGIO4.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • \Users\Admin\AppData\Local\Temp\is-PGIO4.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • memory/1368-0-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/1368-2-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/1368-159-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/1952-10-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/1952-162-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/1952-160-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/4136-151-0x0000000000400000-0x000000000068F000-memory.dmp

        Filesize

        2.6MB

      • memory/4136-152-0x0000000000400000-0x000000000068F000-memory.dmp

        Filesize

        2.6MB

      • memory/4136-155-0x0000000000400000-0x000000000068F000-memory.dmp

        Filesize

        2.6MB

      • memory/4136-154-0x0000000000400000-0x000000000068F000-memory.dmp

        Filesize

        2.6MB

      • memory/4168-161-0x0000000000400000-0x000000000068F000-memory.dmp

        Filesize

        2.6MB

      • memory/4168-184-0x0000000000400000-0x000000000068F000-memory.dmp

        Filesize

        2.6MB

      • memory/4168-165-0x0000000000400000-0x000000000068F000-memory.dmp

        Filesize

        2.6MB

      • memory/4168-166-0x0000000000400000-0x000000000068F000-memory.dmp

        Filesize

        2.6MB

      • memory/4168-169-0x0000000000400000-0x000000000068F000-memory.dmp

        Filesize

        2.6MB

      • memory/4168-172-0x0000000000400000-0x000000000068F000-memory.dmp

        Filesize

        2.6MB

      • memory/4168-175-0x0000000000400000-0x000000000068F000-memory.dmp

        Filesize

        2.6MB

      • memory/4168-178-0x0000000000400000-0x000000000068F000-memory.dmp

        Filesize

        2.6MB

      • memory/4168-179-0x0000000000900000-0x000000000099E000-memory.dmp

        Filesize

        632KB

      • memory/4168-158-0x0000000000400000-0x000000000068F000-memory.dmp

        Filesize

        2.6MB

      • memory/4168-187-0x0000000000400000-0x000000000068F000-memory.dmp

        Filesize

        2.6MB

      • memory/4168-188-0x0000000000900000-0x000000000099E000-memory.dmp

        Filesize

        632KB

      • memory/4168-191-0x0000000000400000-0x000000000068F000-memory.dmp

        Filesize

        2.6MB

      • memory/4168-194-0x0000000000400000-0x000000000068F000-memory.dmp

        Filesize

        2.6MB

      • memory/4168-197-0x0000000000400000-0x000000000068F000-memory.dmp

        Filesize

        2.6MB

      • memory/4168-200-0x0000000000400000-0x000000000068F000-memory.dmp

        Filesize

        2.6MB

      • memory/4168-203-0x0000000000400000-0x000000000068F000-memory.dmp

        Filesize

        2.6MB

      • memory/4168-206-0x0000000000400000-0x000000000068F000-memory.dmp

        Filesize

        2.6MB