Analysis

  • max time kernel
    146s
  • max time network
    156s
  • 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, 06:45

General

  • Target

    2e44b07031aeefd3505aa169a77a24a02b47e7a9cb7453a44ed0f3f688af1b39.exe

  • Size

    6.9MB

  • MD5

    8f1f8c7ff8200c97fc57fdd3b85059ab

  • SHA1

    6a621c9c65eaaf65f4c584039ae5fc61e9562c0a

  • SHA256

    2e44b07031aeefd3505aa169a77a24a02b47e7a9cb7453a44ed0f3f688af1b39

  • SHA512

    c0992cb74325fe827b070098f5b228e51db4c479fcf84a831f739b28576d4928d97f3ce778e38f7095faf02c1173152ac5610adf8d2245cd5ade4d2814779821

  • 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\2e44b07031aeefd3505aa169a77a24a02b47e7a9cb7453a44ed0f3f688af1b39.exe
    "C:\Users\Admin\AppData\Local\Temp\2e44b07031aeefd3505aa169a77a24a02b47e7a9cb7453a44ed0f3f688af1b39.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3020
    • C:\Users\Admin\AppData\Local\Temp\is-UTQ4A.tmp\2e44b07031aeefd3505aa169a77a24a02b47e7a9cb7453a44ed0f3f688af1b39.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-UTQ4A.tmp\2e44b07031aeefd3505aa169a77a24a02b47e7a9cb7453a44ed0f3f688af1b39.tmp" /SL5="$40212,6953145,68096,C:\Users\Admin\AppData\Local\Temp\2e44b07031aeefd3505aa169a77a24a02b47e7a9cb7453a44ed0f3f688af1b39.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:2752
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:2196
        • C:\Program Files (x86)\WMAFormat\wmaformat.exe
          "C:\Program Files (x86)\WMAFormat\wmaformat.exe" -i
          3⤵
          • Executes dropped EXE
          PID:1940
        • C:\Program Files (x86)\WMAFormat\wmaformat.exe
          "C:\Program Files (x86)\WMAFormat\wmaformat.exe" -s
          3⤵
          • Executes dropped EXE
          PID:784
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 11
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2996
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 11
            4⤵
              PID:4568

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

            Loading Replay Monitor...

            Downloads

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

              Filesize

              1.5MB

              MD5

              af2da2bc86752f41faf526f9265388c2

              SHA1

              bcaddf19e1353629d2e45fcca2b4bb5b7c33c632

              SHA256

              6741e82f899dd2569edd4f10917a63a2b9c6295f755ef49bbd5c25b737479a25

              SHA512

              d30346e40f0606c8f6249dee1b6c98f2edb7cfbd6e4bbf491c04c09fa65200fe416800ac36c0b56c1a853a1434db857a8717f7e7e440811fec84c24ddb9307d3

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

              Filesize

              1.8MB

              MD5

              0280b00d7cf6a1d0e836f72f5e94c0fb

              SHA1

              8f21d39aa6137c758f73c378042dde4001006946

              SHA256

              5494dda0175037320250f0dca19188091efff397b7e3a7f181e449c4c216703c

              SHA512

              072cf3bc6c580035a8f0ae719b03662d762a994138f879d2c6380cd8aff71b1c55731fb99658dec6a23756ad8fbafa7122480a6cd8434788eee6047181b7920e

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

              Filesize

              748KB

              MD5

              b22e7d72ae45479297e0bf5484aef450

              SHA1

              44cfbf24826c6a9b3edac8ef2cd9fc91f16cfcc9

              SHA256

              79fba8455fb6ee1ea32289130fdf576ba9314ba49d678428c22d1b0f09604505

              SHA512

              081d3d810ea55cffe2304e6142f6be4f01dc38e939174a680948d76566af3aa819c40684f6b2e28633fb0e596419c338df3fb7a870f4ca4e721f3489779c80ff

            • C:\Users\Admin\AppData\Local\Temp\is-0RBCU.tmp\_isetup\_iscrypt.dll

              Filesize

              2KB

              MD5

              a69559718ab506675e907fe49deb71e9

              SHA1

              bc8f404ffdb1960b50c12ff9413c893b56f2e36f

              SHA256

              2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

              SHA512

              e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

            • C:\Users\Admin\AppData\Local\Temp\is-0RBCU.tmp\_isetup\_isdecmp.dll

              Filesize

              19KB

              MD5

              3adaa386b671c2df3bae5b39dc093008

              SHA1

              067cf95fbdb922d81db58432c46930f86d23dded

              SHA256

              71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

              SHA512

              bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

            • C:\Users\Admin\AppData\Local\Temp\is-UTQ4A.tmp\2e44b07031aeefd3505aa169a77a24a02b47e7a9cb7453a44ed0f3f688af1b39.tmp

              Filesize

              687KB

              MD5

              f448d7f4b76e5c9c3a4eaff16a8b9b73

              SHA1

              31808f1ffa84c954376975b7cdb0007e6b762488

              SHA256

              7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

              SHA512

              f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

            • memory/784-180-0x00000000008D0000-0x000000000096E000-memory.dmp

              Filesize

              632KB

            • memory/784-167-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/784-208-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/784-205-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/784-202-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/784-157-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/784-198-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/784-159-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/784-195-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/784-192-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/784-162-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/784-189-0x00000000008D0000-0x000000000096E000-memory.dmp

              Filesize

              632KB

            • memory/784-166-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/784-188-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/784-170-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/784-173-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/784-176-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/784-179-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/784-185-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/1940-155-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/1940-152-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/1940-151-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/2752-10-0x0000000002240000-0x0000000002241000-memory.dmp

              Filesize

              4KB

            • memory/2752-163-0x0000000002240000-0x0000000002241000-memory.dmp

              Filesize

              4KB

            • memory/2752-161-0x0000000000400000-0x00000000004BC000-memory.dmp

              Filesize

              752KB

            • memory/3020-0-0x0000000000400000-0x0000000000418000-memory.dmp

              Filesize

              96KB

            • memory/3020-160-0x0000000000400000-0x0000000000418000-memory.dmp

              Filesize

              96KB

            • memory/3020-2-0x0000000000400000-0x0000000000418000-memory.dmp

              Filesize

              96KB