Analysis

  • max time kernel
    148s
  • max time network
    145s
  • 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, 11:40

General

  • Target

    c0dca0f914f3a009cb004573983831a1982095168876245dc51e587d765f4951.exe

  • Size

    6.9MB

  • MD5

    5a6a28cddfa39ea62954a3a1d69f43a6

  • SHA1

    b8593cd46b33bbe27ac053ef30d110cba0b3fc8a

  • SHA256

    c0dca0f914f3a009cb004573983831a1982095168876245dc51e587d765f4951

  • SHA512

    daad2d13565a5c8d5a243ef2cc82935e87f6bfa5847af9a169ed8f5818dd2415bf57b90fa97a54eb8484147da450c1b9bf604d0616dd3890b0409a7c6c5a149e

  • SSDEEP

    98304:DCtQAsI29jHcxWjRTp6azZzB8hi4ZoEiAmP+xhctqd60dVADjhSF1O8lw3kBL7l7:IstjRJ/4ZoSQQhtd6sWDlSrM0BLRrzj

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\c0dca0f914f3a009cb004573983831a1982095168876245dc51e587d765f4951.exe
    "C:\Users\Admin\AppData\Local\Temp\c0dca0f914f3a009cb004573983831a1982095168876245dc51e587d765f4951.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2488
    • C:\Users\Admin\AppData\Local\Temp\is-T028K.tmp\c0dca0f914f3a009cb004573983831a1982095168876245dc51e587d765f4951.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-T028K.tmp\c0dca0f914f3a009cb004573983831a1982095168876245dc51e587d765f4951.tmp" /SL5="$F0054,6990075,68096,C:\Users\Admin\AppData\Local\Temp\c0dca0f914f3a009cb004573983831a1982095168876245dc51e587d765f4951.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:2272
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:1948
        • C:\Program Files (x86)\WMAFormat\wmaformat.exe
          "C:\Program Files (x86)\WMAFormat\wmaformat.exe" -i
          3⤵
          • Executes dropped EXE
          PID:4376
        • C:\Program Files (x86)\WMAFormat\wmaformat.exe
          "C:\Program Files (x86)\WMAFormat\wmaformat.exe" -s
          3⤵
          • Executes dropped EXE
          PID:4312
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 11
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:3664
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 11
            4⤵
              PID:2256

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

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

              Filesize

              1.1MB

              MD5

              7c804466465dd2f17f396bd36ccfea5a

              SHA1

              a8d2d42671b81bf39fbc3ef3890b1e6ff463a1cb

              SHA256

              7bb4b14d56db66073e2ab63249b2fa653b4cd88a478361256f8e7dfa08bdef18

              SHA512

              ed25065cd02da6a6b1148ef685646c195b4b3486e732d86e13f8c3d4677d40fb1114d344f774b21819f6a85278bd7d3abebc0e50a7e6a051cb4eeeff8732564c

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

              Filesize

              1.2MB

              MD5

              5d197510f5f09189623efc5e7fa9be04

              SHA1

              b19f017c731b6cd929d8d30739af4d4e1ab64f60

              SHA256

              95976ee933eb3e821e95570177e4163d58c405987f327afcbbfedacb9e862156

              SHA512

              6bc98859a914952a5d27dd31b7a5fe82b057c55bd4ba6c3b7d7ae8fd1843308fed5cbcbaf4687b6e9f82cb68099ccc59bdf857100e64f2a3c657de68b9bf9f72

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

              Filesize

              1.8MB

              MD5

              524bfe0d470e2ab13742f92cdbfed508

              SHA1

              48101afa30091d7c96a380b5691ffacb5bc384df

              SHA256

              c4c9b495dc588973e4e7309756105795a1d3e0328fa19337a97f5b8a3ed45ea1

              SHA512

              50beaf5e63bdcfa1cff6fc3c4d88ba77e3ec55f6ae9d81163dea30b83f91fb672964460167a66730735d2fccfc8f92a209d272f69349b31b162abe939c7c504e

            • C:\Users\Admin\AppData\Local\Temp\is-GP0LQ.tmp\_isetup\_iscrypt.dll

              Filesize

              2KB

              MD5

              a69559718ab506675e907fe49deb71e9

              SHA1

              bc8f404ffdb1960b50c12ff9413c893b56f2e36f

              SHA256

              2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

              SHA512

              e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

            • C:\Users\Admin\AppData\Local\Temp\is-GP0LQ.tmp\_isetup\_isdecmp.dll

              Filesize

              19KB

              MD5

              3adaa386b671c2df3bae5b39dc093008

              SHA1

              067cf95fbdb922d81db58432c46930f86d23dded

              SHA256

              71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

              SHA512

              bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

            • C:\Users\Admin\AppData\Local\Temp\is-T028K.tmp\c0dca0f914f3a009cb004573983831a1982095168876245dc51e587d765f4951.tmp

              Filesize

              687KB

              MD5

              f448d7f4b76e5c9c3a4eaff16a8b9b73

              SHA1

              31808f1ffa84c954376975b7cdb0007e6b762488

              SHA256

              7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

              SHA512

              f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

            • memory/2272-7-0x0000000002240000-0x0000000002241000-memory.dmp

              Filesize

              4KB

            • memory/2272-164-0x0000000002240000-0x0000000002241000-memory.dmp

              Filesize

              4KB

            • memory/2272-161-0x0000000000400000-0x00000000004BC000-memory.dmp

              Filesize

              752KB

            • memory/2488-2-0x0000000000400000-0x0000000000418000-memory.dmp

              Filesize

              96KB

            • memory/2488-0-0x0000000000400000-0x0000000000418000-memory.dmp

              Filesize

              96KB

            • memory/2488-160-0x0000000000400000-0x0000000000418000-memory.dmp

              Filesize

              96KB

            • memory/4312-179-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/4312-191-0x00000000006F0000-0x000000000078E000-memory.dmp

              Filesize

              632KB

            • memory/4312-159-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/4312-205-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/4312-201-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/4312-162-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/4312-199-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/4312-166-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/4312-168-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/4312-171-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/4312-174-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/4312-177-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/4312-196-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/4312-181-0x00000000006F0000-0x000000000078E000-memory.dmp

              Filesize

              632KB

            • memory/4312-186-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/4312-188-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/4312-157-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/4312-193-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/4376-151-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/4376-152-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/4376-154-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/4376-155-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB