Analysis

  • max time kernel
    1s
  • max time network
    149s
  • 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, 09:25

General

  • Target

    62ecaeaeaa10f386b805ee26c64eb91f298220ba0aebbb50c790acc6dd120ea6.exe

  • Size

    6.9MB

  • MD5

    dc6a84aca371b7bc8e8a616185fbea4b

  • SHA1

    65f843b9c93acdc4c9ca98c0376f9448d1f54e09

  • SHA256

    62ecaeaeaa10f386b805ee26c64eb91f298220ba0aebbb50c790acc6dd120ea6

  • SHA512

    9e6c45edf83cd2cb9441b495dad01a8bc57c6c3025242666a7ec7150894c420f7425adde8b708434649c876c657468451ac47a22cce80a1cee4ed93cdb2ffde6

  • SSDEEP

    196608:dRW8Bq+q3WGhRQY914E1DF+V3bm/LCGNq3eUeKP3gdVfzj:dQeqbhPK4DFY4CtOUYVfzj

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\62ecaeaeaa10f386b805ee26c64eb91f298220ba0aebbb50c790acc6dd120ea6.exe
    "C:\Users\Admin\AppData\Local\Temp\62ecaeaeaa10f386b805ee26c64eb91f298220ba0aebbb50c790acc6dd120ea6.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3264
    • C:\Users\Admin\AppData\Local\Temp\is-KSKDC.tmp\62ecaeaeaa10f386b805ee26c64eb91f298220ba0aebbb50c790acc6dd120ea6.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-KSKDC.tmp\62ecaeaeaa10f386b805ee26c64eb91f298220ba0aebbb50c790acc6dd120ea6.tmp" /SL5="$50224,6953145,68096,C:\Users\Admin\AppData\Local\Temp\62ecaeaeaa10f386b805ee26c64eb91f298220ba0aebbb50c790acc6dd120ea6.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4484
      • C:\Program Files (x86)\WMAFormat\wmaformat.exe
        "C:\Program Files (x86)\WMAFormat\wmaformat.exe" -i
        3⤵
        • Executes dropped EXE
        PID:1152
      • C:\Program Files (x86)\WMAFormat\wmaformat.exe
        "C:\Program Files (x86)\WMAFormat\wmaformat.exe" -s
        3⤵
        • Executes dropped EXE
        PID:2108
      • C:\Windows\SysWOW64\net.exe
        "C:\Windows\system32\net.exe" helpmsg 11
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2424
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:2672
    • C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 helpmsg 11
      1⤵
        PID:4836

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

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

              Filesize

              92KB

              MD5

              00e66d3d3bb0e226552aec78aca6d29c

              SHA1

              62b3b17c6242f2e5d48ad26550dc1d698929d424

              SHA256

              725b354569faf18cd7b5e1153904d2221853840e8a3a4aa4a87bb57c00213321

              SHA512

              3968f283218418c562b967b116ad12f823c823c81056850c24f058bb936626d36f17d099dae1283ed8bd4f58ab43ace60ac1a844f1582d04543d304ff11bc37f

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

              Filesize

              58KB

              MD5

              55c233da5f0bb935662bada1aaa12f95

              SHA1

              5ea4aa8e1e32ed3e90d8c8a5ce4e0d0f3aa2ba80

              SHA256

              3d56fc54389d80b3bb8dfee8bf1b97132f7096bd2961f22754848636ea6a4208

              SHA512

              85410d3e9c38f7ed7b11315b4fc7a518bd30572b2bd78604bfa015ed1966c49ce1f069887f20ac56f644e74f08539ff058fdf30c1c6aa82a3481945067a2be8b

            • C:\Users\Admin\AppData\Local\Temp\is-KSKDC.tmp\62ecaeaeaa10f386b805ee26c64eb91f298220ba0aebbb50c790acc6dd120ea6.tmp

              Filesize

              124KB

              MD5

              9c44d83124e604ac62702a496326809a

              SHA1

              cf9bdf370cca41dc23335f0ac19d172107213037

              SHA256

              32ee436d9e29fe8ba68ff1a76767f41abd9c8cce1353231d8710578fe85aa97f

              SHA512

              050c1e0056216ffe96520f69508af688684d827395581c59b5b7d10b62796d68c65b9e4dd744d3e4b356a793d613701b9b1cc3f0e87c47c253bec8aaee5f8a84

            • \Users\Admin\AppData\Local\Temp\is-370GV.tmp\_isetup\_iscrypt.dll

              Filesize

              2KB

              MD5

              a69559718ab506675e907fe49deb71e9

              SHA1

              bc8f404ffdb1960b50c12ff9413c893b56f2e36f

              SHA256

              2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

              SHA512

              e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

            • \Users\Admin\AppData\Local\Temp\is-370GV.tmp\_isetup\_isdecmp.dll

              Filesize

              19KB

              MD5

              3adaa386b671c2df3bae5b39dc093008

              SHA1

              067cf95fbdb922d81db58432c46930f86d23dded

              SHA256

              71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

              SHA512

              bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

            • memory/1152-154-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/1152-151-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/1152-152-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/1152-155-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/2108-161-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/2108-192-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/2108-208-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/2108-205-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/2108-202-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/2108-198-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/2108-195-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/2108-158-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/2108-166-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/2108-165-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/2108-169-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/2108-172-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/2108-175-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/2108-182-0x0000000002590000-0x000000000262E000-memory.dmp

              Filesize

              632KB

            • memory/2108-181-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/2108-176-0x0000000002590000-0x000000000262E000-memory.dmp

              Filesize

              632KB

            • memory/2108-185-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/2108-188-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/2108-189-0x0000000002590000-0x000000000262E000-memory.dmp

              Filesize

              632KB

            • memory/3264-0-0x0000000000400000-0x0000000000418000-memory.dmp

              Filesize

              96KB

            • memory/3264-159-0x0000000000400000-0x0000000000418000-memory.dmp

              Filesize

              96KB

            • memory/3264-2-0x0000000000400000-0x0000000000418000-memory.dmp

              Filesize

              96KB

            • memory/4484-162-0x00000000001F0000-0x00000000001F1000-memory.dmp

              Filesize

              4KB

            • memory/4484-160-0x0000000000400000-0x00000000004BC000-memory.dmp

              Filesize

              752KB

            • memory/4484-10-0x00000000001F0000-0x00000000001F1000-memory.dmp

              Filesize

              4KB