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Analysis

  • max time kernel
    125s
  • max time network
    106s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231127-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/12/2023, 05:13

General

  • Target

    570fc85a56a0fa56c90f3ac12430c33e3dfb1cfecd21682fc9afbde6f84b3029.exe

  • Size

    6.9MB

  • MD5

    b677998a23dd028eeb0bb3ff2eaaab1a

  • SHA1

    ef902192c7f1ae481faeff4dde633aa87ba8f247

  • SHA256

    570fc85a56a0fa56c90f3ac12430c33e3dfb1cfecd21682fc9afbde6f84b3029

  • SHA512

    15f32e0b23d8d64a3641f7625e40802051b983d69fb3b901a2c3addc189a86ab379fba1d86ce94ef009bf8501e3d33a737a859dafef109e7cc962baa85391a64

  • SSDEEP

    98304:5CtQAsI29jHcxWjRTp6azZzB8hi4ZoEiAmP+xhctqd60dVADjhSF1O8lw3kBL7l7:GstjRJ/4ZoSQQhtd6sWDlSrM0BLRrzj

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 3 IoCs
  • 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\570fc85a56a0fa56c90f3ac12430c33e3dfb1cfecd21682fc9afbde6f84b3029.exe
    "C:\Users\Admin\AppData\Local\Temp\570fc85a56a0fa56c90f3ac12430c33e3dfb1cfecd21682fc9afbde6f84b3029.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2148
    • C:\Users\Admin\AppData\Local\Temp\is-HI5GQ.tmp\570fc85a56a0fa56c90f3ac12430c33e3dfb1cfecd21682fc9afbde6f84b3029.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-HI5GQ.tmp\570fc85a56a0fa56c90f3ac12430c33e3dfb1cfecd21682fc9afbde6f84b3029.tmp" /SL5="$501E8,6990075,68096,C:\Users\Admin\AppData\Local\Temp\570fc85a56a0fa56c90f3ac12430c33e3dfb1cfecd21682fc9afbde6f84b3029.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4656
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:4980
        • C:\Program Files (x86)\WMAFormat\wmaformat.exe
          "C:\Program Files (x86)\WMAFormat\wmaformat.exe" -i
          3⤵
          • Executes dropped EXE
          PID:4852
        • C:\Program Files (x86)\WMAFormat\wmaformat.exe
          "C:\Program Files (x86)\WMAFormat\wmaformat.exe" -s
          3⤵
          • Executes dropped EXE
          PID:3932
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 11
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:3796
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 11
            4⤵
              PID:3376
      • C:\Windows\System32\mousocoreworker.exe
        C:\Windows\System32\mousocoreworker.exe -Embedding
        1⤵
          PID:3376

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

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

          Filesize

          515KB

          MD5

          7f3faa843aa576bd45a7b75d39edf6be

          SHA1

          ee6b57b33556c3a646245993dbf24822ae22cb65

          SHA256

          5d2c05e8a3384822f1a374511ff75b452155366c622097125a2c69132cb807d3

          SHA512

          ba919ff6f7c6f8edb8204c8dc3b808e3e42c1172e283a698baaf6d40f61330e50be1749b67244b889f01c711a4fbb98b8d68162f574cf4a6d6cafe4d9dd34287

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

          Filesize

          157KB

          MD5

          406576c0d0f9754657d0d4221837d39d

          SHA1

          88b01665163d172691aa31a0897d1d9c21f6f753

          SHA256

          a52b16da5486a96068336f3390e7532a75d15a97a18069dd97b49e3b20d91081

          SHA512

          809c077ba5e9c82c33b5c6dfec67899d550da3ff1e5d02806da8187128256a8491b3464bc66a608be7b9178ac516f601471f82a8a2af20ff1a53399f0159c75a

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

          Filesize

          216KB

          MD5

          4ff1614ca538199bed86412711d60da1

          SHA1

          c64c0d95229bb3ae1d49b27e70c1abb3cb1be6f8

          SHA256

          b6b8161fcd477eb80bf4ed2ec4c94836fd77029729a69c75e538d30e342b77d5

          SHA512

          c4f638fe061bbd95aa8fb6d9bb3a38ebcec3ee2b34419f497c01b52d2a1300d35c18cfae317fd10ee2263702b59d5c499c3e47c200068d8a4d619a02b8b7b64a

        • C:\Users\Admin\AppData\Local\Temp\is-9866Q.tmp\_isetup\_iscrypt.dll

          Filesize

          2KB

          MD5

          a69559718ab506675e907fe49deb71e9

          SHA1

          bc8f404ffdb1960b50c12ff9413c893b56f2e36f

          SHA256

          2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

          SHA512

          e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

        • C:\Users\Admin\AppData\Local\Temp\is-9866Q.tmp\_isetup\_isdecmp.dll

          Filesize

          19KB

          MD5

          3adaa386b671c2df3bae5b39dc093008

          SHA1

          067cf95fbdb922d81db58432c46930f86d23dded

          SHA256

          71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

          SHA512

          bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

        • C:\Users\Admin\AppData\Local\Temp\is-HI5GQ.tmp\570fc85a56a0fa56c90f3ac12430c33e3dfb1cfecd21682fc9afbde6f84b3029.tmp

          Filesize

          687KB

          MD5

          f448d7f4b76e5c9c3a4eaff16a8b9b73

          SHA1

          31808f1ffa84c954376975b7cdb0007e6b762488

          SHA256

          7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

          SHA512

          f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

        • memory/2148-2-0x0000000000400000-0x0000000000418000-memory.dmp

          Filesize

          96KB

        • memory/2148-0-0x0000000000400000-0x0000000000418000-memory.dmp

          Filesize

          96KB

        • memory/2148-160-0x0000000000400000-0x0000000000418000-memory.dmp

          Filesize

          96KB

        • memory/3932-159-0x0000000000400000-0x00000000005CF000-memory.dmp

          Filesize

          1.8MB

        • memory/3932-209-0x0000000000400000-0x00000000005CF000-memory.dmp

          Filesize

          1.8MB

        • memory/3932-196-0x0000000000400000-0x00000000005CF000-memory.dmp

          Filesize

          1.8MB

        • memory/3932-203-0x0000000000400000-0x00000000005CF000-memory.dmp

          Filesize

          1.8MB

        • memory/3932-157-0x0000000000400000-0x00000000005CF000-memory.dmp

          Filesize

          1.8MB

        • memory/3932-190-0x0000000000700000-0x000000000079E000-memory.dmp

          Filesize

          632KB

        • memory/3932-206-0x0000000000400000-0x00000000005CF000-memory.dmp

          Filesize

          1.8MB

        • memory/3932-193-0x0000000000400000-0x00000000005CF000-memory.dmp

          Filesize

          1.8MB

        • memory/3932-162-0x0000000000400000-0x00000000005CF000-memory.dmp

          Filesize

          1.8MB

        • memory/3932-199-0x0000000000400000-0x00000000005CF000-memory.dmp

          Filesize

          1.8MB

        • memory/3932-166-0x0000000000400000-0x00000000005CF000-memory.dmp

          Filesize

          1.8MB

        • memory/3932-167-0x0000000000400000-0x00000000005CF000-memory.dmp

          Filesize

          1.8MB

        • memory/3932-170-0x0000000000400000-0x00000000005CF000-memory.dmp

          Filesize

          1.8MB

        • memory/3932-173-0x0000000000400000-0x00000000005CF000-memory.dmp

          Filesize

          1.8MB

        • memory/3932-176-0x0000000000400000-0x00000000005CF000-memory.dmp

          Filesize

          1.8MB

        • memory/3932-180-0x0000000000400000-0x00000000005CF000-memory.dmp

          Filesize

          1.8MB

        • memory/3932-183-0x0000000000700000-0x000000000079E000-memory.dmp

          Filesize

          632KB

        • memory/3932-179-0x0000000000700000-0x000000000079E000-memory.dmp

          Filesize

          632KB

        • memory/3932-186-0x0000000000400000-0x00000000005CF000-memory.dmp

          Filesize

          1.8MB

        • memory/3932-189-0x0000000000400000-0x00000000005CF000-memory.dmp

          Filesize

          1.8MB

        • memory/4656-163-0x0000000000760000-0x0000000000761000-memory.dmp

          Filesize

          4KB

        • memory/4656-161-0x0000000000400000-0x00000000004BC000-memory.dmp

          Filesize

          752KB

        • memory/4656-7-0x0000000000760000-0x0000000000761000-memory.dmp

          Filesize

          4KB

        • memory/4852-152-0x0000000000400000-0x00000000005CF000-memory.dmp

          Filesize

          1.8MB

        • memory/4852-155-0x0000000000400000-0x00000000005CF000-memory.dmp

          Filesize

          1.8MB

        • memory/4852-154-0x0000000000400000-0x00000000005CF000-memory.dmp

          Filesize

          1.8MB

        • memory/4852-151-0x0000000000400000-0x00000000005CF000-memory.dmp

          Filesize

          1.8MB