Analysis

  • max time kernel
    150s
  • 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
    11/12/2023, 08:30

General

  • Target

    a0bec5bbbc3f987e535feaec7526fcca1b9c55f0bf5e6c3042b3b6fd5cc87f69.exe

  • Size

    6.9MB

  • MD5

    067c95e863c791454bcae9802cab4cd3

  • SHA1

    18d82c7c69eed974a8157b9fbf8fa881a7e548aa

  • SHA256

    a0bec5bbbc3f987e535feaec7526fcca1b9c55f0bf5e6c3042b3b6fd5cc87f69

  • SHA512

    fa5841df288515d7eadeadf39fb85ea7c8966cb0c0d81ce6d11433cb7ae99ce5dc81411b6be7c09314cdf7ac635d0fa660b17dd2b009ae941db6c0d8913a37fc

  • SSDEEP

    196608:XRW8Bq+q3WGhRQY914E1DF+V3bm/LCGNq3eUeKP3gdVfzj:XQeqbhPK4DFY4CtOUYVfzj

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\a0bec5bbbc3f987e535feaec7526fcca1b9c55f0bf5e6c3042b3b6fd5cc87f69.exe
    "C:\Users\Admin\AppData\Local\Temp\a0bec5bbbc3f987e535feaec7526fcca1b9c55f0bf5e6c3042b3b6fd5cc87f69.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4592
    • C:\Users\Admin\AppData\Local\Temp\is-LK4V5.tmp\a0bec5bbbc3f987e535feaec7526fcca1b9c55f0bf5e6c3042b3b6fd5cc87f69.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-LK4V5.tmp\a0bec5bbbc3f987e535feaec7526fcca1b9c55f0bf5e6c3042b3b6fd5cc87f69.tmp" /SL5="$C0060,6953145,68096,C:\Users\Admin\AppData\Local\Temp\a0bec5bbbc3f987e535feaec7526fcca1b9c55f0bf5e6c3042b3b6fd5cc87f69.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4296
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:3504
        • C:\Program Files (x86)\WMAFormat\wmaformat.exe
          "C:\Program Files (x86)\WMAFormat\wmaformat.exe" -i
          3⤵
          • Executes dropped EXE
          PID:2028
        • C:\Program Files (x86)\WMAFormat\wmaformat.exe
          "C:\Program Files (x86)\WMAFormat\wmaformat.exe" -s
          3⤵
          • Executes dropped EXE
          PID:1612
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 11
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:3120
    • C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 helpmsg 11
      1⤵
        PID:2344

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            • C:\Program Files (x86)\WMAFormat\wmaformat.exe

              Filesize

              449KB

              MD5

              09a3e97777188ecd6c4a71039169269c

              SHA1

              4877fc9f5827515ca2fcf0018616ebbdf73dffcc

              SHA256

              63aa297a1c924745a11a19c863baf6e3780453857e33c192b7928a99cf019776

              SHA512

              fb20517589e8331916981e8035373e44d34f85354150a4fd6db19fdb63de22258499fcbf1981b274ff3ce7b4f17085ab36bb205782e4e4f8bd7ef68951b103cf

            • C:\Program Files (x86)\WMAFormat\wmaformat.exe

              Filesize

              1.2MB

              MD5

              07516b52be9a4d816c862b3798cdf9f2

              SHA1

              86a0b5104bae834959368f7d87d58b4c466bab5c

              SHA256

              38e44c3caf5c17f3171c95cb06678edc934e116093a384f4c01365587e7e8b6f

              SHA512

              54dffa0fdb11cbb9ac34cf38569532127bf444e34bb662599db5886f7ce0e4e022d87a7439015242ac1fe7d75b5817597eeec0a1defdc0bc70faea75cb9f9f8c

            • C:\Users\Admin\AppData\Local\Temp\is-ID5EC.tmp\_isetup\_iscrypt.dll

              Filesize

              2KB

              MD5

              a69559718ab506675e907fe49deb71e9

              SHA1

              bc8f404ffdb1960b50c12ff9413c893b56f2e36f

              SHA256

              2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

              SHA512

              e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

            • C:\Users\Admin\AppData\Local\Temp\is-ID5EC.tmp\_isetup\_isdecmp.dll

              Filesize

              19KB

              MD5

              3adaa386b671c2df3bae5b39dc093008

              SHA1

              067cf95fbdb922d81db58432c46930f86d23dded

              SHA256

              71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

              SHA512

              bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

            • C:\Users\Admin\AppData\Local\Temp\is-LK4V5.tmp\a0bec5bbbc3f987e535feaec7526fcca1b9c55f0bf5e6c3042b3b6fd5cc87f69.tmp

              Filesize

              687KB

              MD5

              f448d7f4b76e5c9c3a4eaff16a8b9b73

              SHA1

              31808f1ffa84c954376975b7cdb0007e6b762488

              SHA256

              7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

              SHA512

              f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

            • memory/1612-180-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/1612-189-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/1612-209-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/1612-206-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/1612-203-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/1612-159-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/1612-157-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/1612-199-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/1612-196-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/1612-193-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/1612-190-0x0000000000760000-0x00000000007FE000-memory.dmp

              Filesize

              632KB

            • memory/1612-162-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/1612-186-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/1612-166-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/1612-167-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/1612-170-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/1612-173-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/1612-176-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/1612-179-0x0000000000760000-0x00000000007FE000-memory.dmp

              Filesize

              632KB

            • memory/1612-181-0x0000000000760000-0x00000000007FE000-memory.dmp

              Filesize

              632KB

            • memory/2028-155-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/2028-154-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/2028-152-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/2028-151-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/4296-163-0x0000000002230000-0x0000000002231000-memory.dmp

              Filesize

              4KB

            • memory/4296-7-0x0000000002230000-0x0000000002231000-memory.dmp

              Filesize

              4KB

            • memory/4296-161-0x0000000000400000-0x00000000004BC000-memory.dmp

              Filesize

              752KB

            • memory/4592-0-0x0000000000400000-0x0000000000418000-memory.dmp

              Filesize

              96KB

            • memory/4592-160-0x0000000000400000-0x0000000000418000-memory.dmp

              Filesize

              96KB

            • memory/4592-2-0x0000000000400000-0x0000000000418000-memory.dmp

              Filesize

              96KB